SONIX SN8P2754 User manual

SN8P275X Series

8-bit micro-controller build-in 12-bit ADC

SONiX TECHNOLOGY CO., LTD Page 1 Version0.7

SN8P275X Series

USER’S MANUAL

Version 0.7

SN8P2754

SN8P2755

SN8P2758

-B

-C

SONIX reserves the right to make change without further notice to any products herein to improve reliability, function or design. SONIX does not

assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent

rights nor the rights of others. SONIX products are not designed, intended, or authorized for us as components in systems intended, for surgical

implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SONIX product

could create a situation where personal injury or death may occur. Should Buyer purchase or use SONIX products for any such unintended or

unauthorized application. Buyer shall indemnify and hold SONIX and its officers, employees, subsidiaries, affiliates and distributors harmless against

all claims, cost, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death

associated with such unintended or unauthorized use even if such claim alleges that SONIX was negligent regarding the design or manufacture of

the part.

SN8P275X Series

8-bit micro-controller build-in 12-bit ADC

SONiX TECHNOLOGY CO., LTD Page 2 Version0.7

AMENDENT HISTORY

Version Date Description

VER 0.1 Nov. 2008 1. Preliminary Version first issue

VER 0.2 Nov. 2008 1. Modify Package information.

VER 0.3 Nov. 2008 1. Modify ICE MSP emulation.

VER 0.4 Feb. 2008 1. Modify MSP,Package information.

VER 0.5 Apr. 2009 1. Modify SOP32 Package size.

VER 0.6 Jun. 2009 1. Update code option table.

VER 0.7 Nov. 2009 1. Modify LQFP48 marking name

2. Add AVDD pin descriptment

3. Modify DAO as 7bit DAC output in 1.4 Pin Description

4. Fix typing error

SN8P275X Series

8-bit micro-controller build-in 12-bit ADC

SONiX TECHNOLOGY CO., LTD Page 3 Version0.7

Table of Content

AMENDENT HISTORY................................................................................................................................ 2

1PRODUCT OVERVIEW......................................................................................................................... 9

1.1 FEATURES........................................................................................................................................ 9

1.2 SYSTEM BLOCK DIAGRAM........................................................................................................ 10

1.3 PIN ASSIGNMENT......................................................................................................................... 11

1.4 PIN DESCRIPTIONS....................................................................................................................... 13

1.5 PIN CIRCUIT DIAGRAMS............................................................................................................. 14

2CENTRAL PROCESSOR UNIT (CPU) .............................................................................................. 15

2.1 MEMORY MAP............................................................................................................................... 15

2.1.1 PROGRAM MEMORY (ROM)............................................................................................... 15

2.1.1.1 RESET VECTOR (0000H) .................................................................................................. 16

2.1.1.2 INTERRUPT VECTOR (0008H)......................................................................................... 16

2.1.1.3 LOOK-UP TABLE DESCRIPTION.................................................................................... 19

2.1.1.4 JUMP TABLE DESCRIPTION........................................................................................... 21

2.1.1.5 CHECKSUM CALCULATION........................................................................................... 23

2.1.2 CODE OPTION TABLE.......................................................................................................... 24

2.1.3 DATA MEMORY (RAM) ....................................................................................................... 25

2.1.4 SYSTEM REGISTER .............................................................................................................. 26

2.1.4.1 SYSTEM REGISTER TABLE ............................................................................................ 26

2.1.4.2 SYSTEM REGISTER DESCRIPTION ............................................................................... 26

2.1.4.3 BIT DEFINITION of SYSTEM REGISTER....................................................................... 27

2.1.4.4 ACCUMULATOR ............................................................................................................... 31

2.1.4.5 PROGRAM FLAG............................................................................................................... 32

2.1.4.6 PROGRAM COUNTER....................................................................................................... 33

2.1.4.7 H, L REGISTERS................................................................................................................. 35

2.1.4.8 Y, Z REGISTERS................................................................................................................. 37

2.1.4.9 X REGISTERS..................................................................................................................... 37

2.1.4.10 R REGISTERS..................................................................................................................... 38

2.2 ADDRESSING MODE .................................................................................................................... 39

2.2.1 IMMEDIATE ADDRESSING MODE.................................................................................... 39

2.2.2 DIRECTLY ADDRESSING MODE ....................................................................................... 39

2.2.3 INDIRECTLY ADDRESSING MODE................................................................................... 39

2.3 STACK OPERATION...................................................................................................................... 40

2.3.1 OVERVIEW............................................................................................................................. 40

2.3.2 STACK REGISTERS............................................................................................................... 41

SN8P275X Series

8-bit micro-controller build-in 12-bit ADC

SONiX TECHNOLOGY CO., LTD Page 4 Version0.7

2.3.3 STACK OPERATION EXAMPLE.......................................................................................... 42

3RESET..................................................................................................................................................... 43

3.1 OVERVIEW..................................................................................................................................... 43

3.2 POWER ON RESET......................................................................................................................... 44

3.3 WATCHDOG RESET...................................................................................................................... 44

3.4 BROWN OUT RESET ..................................................................................................................... 45

3.4.1 BROWN OUT DESCRIPTION............................................................................................... 45

3.4.2 THE SYSTEM OPERATING VOLTAGE DECSRIPTION................................................... 46

3.4.3 BROWN OUT RESET IMPROVEMENT .............................................................................. 46

3.5 EXTERNAL RESET........................................................................................................................ 48

3.6 EXTERNAL RESET CIRCUIT ....................................................................................................... 48

3.6.1 Simply RC Reset Circuit .......................................................................................................... 48

3.6.2 Diode & RC Reset Circuit........................................................................................................ 49

3.6.3 Zener Diode Reset Circuit........................................................................................................ 49

3.6.4 Voltage Bias Reset Circuit ....................................................................................................... 50

3.6.5 External Reset IC...................................................................................................................... 51

4SYSTEM CLOCK.................................................................................................................................. 52

4.1 OVERVIEW..................................................................................................................................... 52

4.2 CLOCK BLOCK DIAGRAM .......................................................................................................... 52

4.3 OSCM REGISTER........................................................................................................................... 53

4.4 SYSTEM HIGH CLOCK ................................................................................................................. 54

4.4.1 INTERNAL HIGH RC............................................................................................................. 54

4.4.2 EXTERNAL HIGH CLOCK.................................................................................................... 54

4.4.2.1 CRYSTAL/CERAMIC......................................................................................................... 55

4.4.2.2 RC......................................................................................................................................... 55

4.4.2.3 EXTERNAL CLOCK SIGNAL........................................................................................... 56

4.5 SYSTEM LOW CLOCK.................................................................................................................. 57

4.5.1 SYSTEM CLOCK MEASUREMENT .................................................................................... 58

5SYSTEM OPERATION MODE........................................................................................................... 59

5.1 OVERVIEW..................................................................................................................................... 59

5.2 SYSTEM MODE SWITCHING....................................................................................................... 60

5.3 WAKEUP......................................................................................................................................... 62

5.3.1 OVERVIEW............................................................................................................................. 62

5.3.2 WAKEUP TIME ...................................................................................................................... 62

5.3.3 P1W WAKEUP CONTROL REGISTER................................................................................ 63

6INTERRUPT........................................................................................................................................... 64

6.1 OVERVIEW..................................................................................................................................... 64

SN8P275X Series

8-bit micro-controller build-in 12-bit ADC

SONiX TECHNOLOGY CO., LTD Page 5 Version0.7

6.2 INTEN INTERRUPT ENABLE REGISTER................................................................................... 65

6.3 INTRQ INTERRUPT REQUEST REGISTER ................................................................................ 66

6.4 GIE GLOBAL INTERRUPT OPERATION .................................................................................... 67

6.5 PUSH, POP ROUTINE .................................................................................................................... 67

6.6 EXTERNAL INTERRUPT OPERATION (INT0~INT2)................................................................ 69

6.7 T0 INTERRUPT OPERATION ....................................................................................................... 70

6.8 TC0 INTERRUPT OPERATION..................................................................................................... 71

6.9 TC1 INTERRUPT OPERATION..................................................................................................... 72

6.10 SIO INTERRUPT OPERATION ..................................................................................................... 73

6.11 ADC INTERRUPT OPERATION ................................................................................................... 74

6.12 MULTI-INTERRUPT OPERATION............................................................................................... 75

7I/O PORT................................................................................................................................................ 77

7.1 I/O PORT MODE ............................................................................................................................. 77

7.2 I/O PULL UP REGISTER ................................................................................................................ 79

7.3 I/O PORT DATA REGISTER.......................................................................................................... 80

7.4 I/O OPEN-DRAIN REGISTER........................................................................................................ 81

7.5 PORT 4ADC SHARE PIN............................................................................................................... 82

8TIMERS .................................................................................................................................................. 84

8.1 WATCHDOG TIMER...................................................................................................................... 84

8.2 TIMER 0(T0)................................................................................................................................... 86

8.2.1 OVERVIEW............................................................................................................................. 86

8.2.2 T0M MODE REGISTER ......................................................................................................... 87

8.2.3 T0C COUNTING REGISTER................................................................................................. 88

8.2.4 T0 TIMER OPERATION SEQUENCE................................................................................... 89

8.3 TIMER/COUNTER 0(TC0) ............................................................................................................ 90

8.3.1 OVERVIEW............................................................................................................................. 90

8.3.2 TC0M MODE REGISTER....................................................................................................... 91

8.3.3 TC0C COUNTING REGISTER .............................................................................................. 92

8.3.4 TC0R AUTO-LOAD REGISTER............................................................................................ 93

8.3.5 TC0 CLOCK FREQUENCY OUTPUT (BUZZER)................................................................ 94

8.3.6 TC0 TIMER OPERATION SEQUENCE................................................................................ 95

8.3.7 TC0 TIMER NOTICE.............................................................................................................. 96

8.4 TIMER/COUNTER 1(TC1) ............................................................................................................ 97

8.4.1 OVERVIEW............................................................................................................................. 97

8.4.2 TC1M MODE REGISTER....................................................................................................... 98

8.4.3 TC1C COUNTING REGISTER .............................................................................................. 99

8.4.4 TC1R AUTO-LOAD REGISTER.......................................................................................... 100

8.4.5 TC1 CLOCK FREQUENCY OUTPUT (BUZZER).............................................................. 101

SN8P275X Series

8-bit micro-controller build-in 12-bit ADC

SONiX TECHNOLOGY CO., LTD Page 6 Version0.7

8.4.6 TC1 TIMER OPERATION SEQUENCE.............................................................................. 102

8.4.7 TC1 TIMER NOTICE............................................................................................................ 103

8.5 PWM0 MODE................................................................................................................................ 104

8.5.1 OVERVIEW........................................................................................................................... 104

8.5.2 TC0IRQ AND PWM DUTY.................................................................................................. 105

8.5.3 PWM PROGRAM EXAMPLE.............................................................................................. 106

8.5.4 PWM0 DUTY CHANGING NOTICE................................................................................... 107

8.6 PWM1 MODE................................................................................................................................ 109

8.6.1 OVERVIEW........................................................................................................................... 109

8.6.2 TC1IRQ AND PWM DUTY.................................................................................................. 110

8.6.3 PWM PROGRAM EXAMPLE.............................................................................................. 111

8.6.4 PWM1 DUTY CHANGING NOTICE................................................................................... 112

9SERIAL INPUT/OUTPUT TRANSCEIVER (SIO) ......................................................................... 114

9.1 OVERVIEW................................................................................................................................... 114

9.2 SIO OPERATION .......................................................................................................................... 114

9.3 SIOM MODE REGISTER.............................................................................................................. 116

9.4 SIOB DATA BUFFER ................................................................................................................... 117

9.5 SIOR REGISTER DESCRIPTION ................................................................................................ 118

0MAIN SERIAL PORT (MSP)............................................................................................................. 119

10.1 OVERVIEW................................................................................................................................... 119

10.2 MSP STATUS REGISTER ............................................................................................................ 119

10.3 MSP MODE REGISTER 1............................................................................................................. 120

10.4 MSP MODE REGISTER 2............................................................................................................. 121

10.5 MSP MSPBUF REGISTER............................................................................................................ 122

10.6 MSP MSPADR REGISTER........................................................................................................... 122

10.7 SLAVE MODE OPERATION ............................................................................................................... 123

10.7.1 Addressing.............................................................................................................................. 123

10.7.2 Slave Receiving...................................................................................................................... 124

10.7.3 Slave Transmission................................................................................................................. 125

10.7.4 General Call Address.............................................................................................................. 126

10.7.5 Slave Wake up........................................................................................................................ 127

10.8 MASTER MODE ................................................................................................................................ 128

10.8.1 Mater Mode Support............................................................................................................... 128

10.8.2 MSP Rate Generator............................................................................................................... 128

10.8.3 MSP Mater START Condition............................................................................................... 129

10.8.4 MSP Master mode Repeat START Condition ....................................................................... 130

10.8.5 Acknowledge Sequence Timing............................................................................................. 131

10.8.6 STOP Condition Timing......................................................................................................... 132

SN8P275X Series

8-bit micro-controller build-in 12-bit ADC

SONiX TECHNOLOGY CO., LTD Page 7 Version0.7

10.8.7 Clock Arbitration.................................................................................................................... 132

10.8.8 Master Mode Transmission.................................................................................................... 133

10.8.9 Master Mode Receiving.......................................................................................................... 134

18 CHANNEL ANALOG TO DIGITAL CONVERTER................................................................... 135

11.1 OVERVIEW................................................................................................................................... 135

11.2 ADM REGISTER........................................................................................................................... 136

11.3 ADR REGISTERS.......................................................................................................................... 137

11.4 ADB REGISTERS.......................................................................................................................... 138

11.5 P4CON REGISTERS ..................................................................................................................... 139

11.6 ADC CONVERTING TIME .......................................................................................................... 139

11.7 ADC ROUTINE EXAMPLE.......................................................................................................... 140

11.8 ADC CIRCUIT............................................................................................................................... 141

2DIGITAL TO ANALOG CONVERTER........................................................................................... 142

12.1 OVERVIEW................................................................................................................................... 142

12.2 DAM REGISTER........................................................................................................................... 143

12.3 D/A CONVERTER OPERATION................................................................................................. 143

3INSTRUCTION TABLE ..................................................................................................................... 144

4ELECTRICAL CHARACTERISTIC................................................................................................ 145

14.1 ABSOLUTE MAXIMUM RATING.............................................................................................. 145

14.2 STANDARD ELECTRICAL CHARACTERISTIC...................................................................... 145

5APPLICATION NOTICE ................................................................................................................... 146

15.1 DEVELOPMENT TOOL VERSION ....................................................................................................... 146

15.1.1 ICE (In circuit emulation)....................................................................................................... 146

15.1.2 OTP Writer............................................................................................................................. 147

15.1.3 IDE (Integrated Development Environment)......................................................................... 147

15.2 OTP PROGRAMMING PIN................................................................................................................. 148

15.2.1 The pin assignment of Easy Writer transition board socket:.................................................. 148

15.2.2 The pin assignment of Writer V3.0 and V2.5 transition board socket:.................................. 148

15.2.3 SN8P275X Series Programming Pin Mapping: ..................................................................... 149

6PACKAGE INFORMATION ............................................................................................................. 150

16.1 SK-DIP28 PIN................................................................................................................................ 150

16.2 SOP28 PIN...................................................................................................................................... 151

16.3 P-DIP 32 PIN.................................................................................................................................. 152

16.4 SOP 32 PIN..................................................................................................................................... 152

16.5 SSOP 48 PIN................................................................................................................................... 153

SN8P275X Series

8-bit micro-controller build-in 12-bit ADC

SONiX TECHNOLOGY CO., LTD Page 8 Version0.7

16.6 LQFP 48 PIN .................................................................................................................................. 154

7MARKING DEFINITION................................................................................................................... 155

17.1 INTRODUCTION.......................................................................................................................... 155

17.2 MARKING INDETIFICATION SYSTEM.................................................................................... 155

17.3 MARKING EXAMPLE ................................................................................................................. 156

17.4 DATECODE SYSTEM.................................................................................................................. 156

SN8P275X Series

8-bit micro-controller build-in 12-bit ADC

SONiX TECHNOLOGY CO., LTD Page 9 Version0.7

PRODUCT OVERVIEW

1.1 FEATURES

♦Memory configuration ♦Eight interrupt sources

OTP ROM size: 4K * 16 bits. Six internal interrupts: T0, TC0, TC1, SIO, ADC,MSP.

RAM size: 256 * 8 bits (bank 0 and bank 1). Three external interrupts: INT0, INT1, INT2.

♦8 levels stack buffer.

♦Three 8-bit Timer/Counter

♦I/O pin configuration (Total 36 pins) T0: Basic timer

Bi-directional: P0, P1, P2, P3, P4, P5 TC0: Auto-reload timer/Counter/PWM0/Buzzer output

Programmable open-drain: P1.0, P1.1, P5.2 TC1: Auto-reload timer/Counter/PWM1/Buzzer output

Wakeup: P0, P1 level change trigger

External interrupt: P0 ♦On chip watchdog timer and clock source is internal

Pull-up resisters: P0, P1, P2, P3, P4, P5 low clock RC type (16KHz @3V, 32KHz @5V).

P4 pins shared with ADC inputs.

Programmable open-drain: P1.0, P1.1,P5.2 ♦Dual system clocks

♦8-channel 12-bit SAR ADC. External high clock: RC type up to 10 MHz

External high clock: Crystal type 32KHZ up to 16 MHz

♦One channel 7-bit R2R DAC. Internal low clock: RC type 16KHz(3V), 32KHz(5V)

Internal high clock: RC type 16MHz.

♦SIO function. ♦Operating modes

Normal mode: Both high and low clock active

♦Powerful instructions Slow mode: Low clock only

One clocks per instruction cycle (1T) Sleep mode: Both high and low clock stop

Most of instructions are one cycle only Green mode: Periodical wakeup by T0 timer

All ROM area lookup table function (MOVC)

Hardware multiplier (MUL) ♦Package (Chip form support)

SN8P2758: SSOP 48 pins, LQFP 48 pins

♦Memory configuration SN8P2755: PDIP 32 pins, SOP 32 pins

OTP ROM size: 4K * 16 bits. SN8P2754: SK-DIP 28 pins, SOP 28pins

RAM size: 256 * 8 bits (bank 0 and bank 1).

Eight levels stack buffer

♦I/O pin configuration (Total 36 pins) ♦Three 8-bit Timer/Counter

Bi-directional: P0, P1, P2, P3, P4, P5 T0: Basic timer

Programmable open-drain: P1.0, P1.1, P5.2 TC0: Auto-reload timer/Counter/PWM0/Buzzer output

Wakeup: P0, P1 level change trigger TC1: Auto-reload timer/Counter/PWM1/Buzzer output

External interrupt: P0

Pull-up resisters: P0, P1, P2, P3, P4, P5 ♦On chip watchdog timer and clock source is internal

P4 pins shared with ADC inputs. low clock RC type (16KHz @3V, 32KHz @5V).

♦Build in MSP interface with interrupt function ♦Dual system clocks

MSP sleep mode wake up function.

SN8P275X Series

8-bit micro-controller build-in 12-bit ADC

SONiX TECHNOLOGY CO., LTD Page 10 Version0.7

)Features Selection Table

Timer PWM

CHIP ROM RAM Stack

T0 TC0 TC1

I/O ADC DAC

Buzzer

SIO Wakeup

Pin no.

Package

SN8P2758 4K*16 256 8 V V V 36 8ch 1ch 2 111 SSOP48/LQFP48

SN8P2755 4K*16 256 8 V V V 23 8ch 1ch 2 19 DIP32/SOP32

SN8P2754 4K*16 256 8 V V V 18 5ch 1ch 2 18 SKDIP28/SOP28

1.2 SYSTEM BLOCK DIAGRAM

IR OTP

ROM

H-OSC

TIMING GENERATOR

RAM

SYSTEM REGISTER

ALU

ACC

INTERRUPT

CONTROL TIMER & COUNTER

PORT 0

PORT 2PORT 1 PORT 4 PORT 5

FLAGS

DAC

ADC

DAO

AIN0~AIN7

SIO

TX/RX

system block

Internal

CLK

PWM1

PWM0 PWM0/Buzzer0

PWM1/Buzzer1

Low Volt

Detector

Watch-Dog

Timer

PORT 3

IR OTP

ROM

H-OSC

TIMING GENERATOR

RAM

SYSTEM REGISTER

ALU

ACC

INTERRUPT

CONTROL TIMER & COUNTER

PORT 0

PORT 2PORT 1 PORT 4 PORT 5

FLAGS

DAC

ADC

DAO

AIN0~AIN7

SIO

TX/RX

system block

Internal

CLK

PWM1

PWM0 PWM0/Buzzer0

PWM1/Buzzer1

Low Volt

Detector

Watch-Dog

Timer

PORT 3

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