OLIMEX PIC-MICRO-WEB User manual

PIC-MICRO-WEB development board

User's manual

Rev. E, January 014

Page 1

INTRODUCTION:

This small and compact board will give you the opportunity to add Internet

connectivity to any of your existing design or machine. Packed in compact plastic

enclosure with DB2 male connector for the microcontroller ports and with the

unique PoE (Power over Ethernet) feature which allows PIC-MICRO-WEB to take

power by the Ethernet cable and with no need for external power supply adapter.

The TCP-IP stack provided by Microchip is free of charge and royalties and allows

you to do http, ftp, e-mail etc services. You can control the PIC GPIOs by web

interface and to acquire and send data from external sensors to other Internet

applications and clients. With 128K Flash memory for programs and 128KB Flash

memory for web storage this small device have all resources usually needed for

general embedded Internet applications and interface of sensors and machines to

Internet.

BOARD FEATURES:

PIC18F67J60 microcontroller with Ethernet and 1 Mbit memory for code

1Mbit on board serial flash for web pages storage

mini ICSP/ICD connector for programming with PIC-ICD2, PIC-ICD2-TINY and

PIC-ICD2-POCKET.

Power-Over-Ethernet support (for use with MOD-PoE power supply injector on

standard LAN cables/switches)

It is possible to use the board without PoE in which case DB2 .pin8 (Vin) should

be connected to 24- 0 VDC source

The board is enclosed in plastic shell DB2 parallel port

2 available signals and power supply on the DB2 connector

Dimensions 0x30 mm (2 x 1.2")

ELECTROSTATIC WARNING:

The PIC-MICRO-WEB board is shipped in protective anti-static packaging. The

board must not be subject to high electrostatic potentials. General practice for

working with static sensitive devices should be applied when working with this

board.

BOARD USE REQUIREMENTS:

Cables: 1.8 meter USB A-B cable to connect PIC-KIT3. Other cables might be

required in case of other programming/debugging tools. You will also

need a LAN cable.

Hardware: Programmer/Debugger – PIC-KIT3 or other compatible

programming/debugging tool.

Page 2

MOD-PoE – module that provides Power-Over-Ethernet. If you don't

want to use this module, you should apply power (24- 0VDC)

directly to DB2 .pin8.

Software: PIC-MICRO-WEB is tested with MPLAB IDE v.7.6 + MPLAB C18 C

compiler. It is possible that the stack might not function properly if

used with later versions of MPLAB IDE.

PROCESSOR FEATURES:

PIC-MICRO-WEB board use MCU PIC18F67J60 from Microchip with these

features:

-IEEE 802.3 compatible Ethernet Controller

-Integrated MAC and 10Base-T PHY

-8-Kbyte Transmit/Receive Packet Buffer SRAM

-Supports One 10Base-T Port

-Programmable Automatic Retransmit on Collision

-Programmable Padding and CRC Generation

-Programmable Automatic Rejection of Erroneous Packets

-Activity Outputs for 2 LED Indicators

-Buffer:

oConfigurable transmit/receive buffer size

oHardware-managed circular receive FIFO

oByte-wide random and sequential access

oInternal DMA for fast memory copying

oHardware assisted checksum calculation for various protocols

-MAC:

oSupport for Unicast, Multicast and Broadcast packets

oProgrammable Pattern Match of up to 64 bytes within packet at user-

defined offset

oProgrammable wake-up on multiple packet formats

-PHY:

oWave shaping output filter

-Selectable System Clock derived from Single 2 MHz External Source:

o2.778 to 41.667 MHz

-Internal 31 kHz Oscillator

-Secondary Oscillator using Timer1 @ 32 kHz

-Fail-Safe Clock Monitor:

oAllows for safe shutdown if oscillator stops

-Two-Speed Oscillator Start-up

-High-Current Sink/Source: 2 mA/2 mA on PORTB and PORTC

-Five Timer modules (Timer0 to Timer4)

-Four External Interrupt pins

-Two Capture/Compare/PWM (CCP) modules

-Three Enhanced Capture/Compare/PWM (ECCP) modules:

oOne, two or four PWM outputs

Page 3

oSelectable polarity

oProgrammable dead time

oAuto-shutdown and auto-restart

-Up to Two Master Synchronous Serial Port (MSSP) modules supporting SPI (all

4 modes) and I2C™ Master and Slave modes

-Up to Two Enhanced USART modules:

oSupports RS-48 , RS-232 and LIN 1.2

oAuto-wake-up on Start bit

oAuto-Baud Detect (ABD)

-10-Bit, Up to 16-Channel Analog-to-Digital Converter module (A/D):

oAuto-acquisition capability

oConversion available during Sleep

-Dual Analog Comparators with Input Multiplexing

-Parallel Slave Port (PSP) module (100-pin devices only)

-. V Tolerant Inputs (digital-only pins)

-Low-Power, High-Speed CMOS Flash Technology:

oSelf-reprogrammable under software control

-C compiler Optimized Architecture for Reentrant Code

-Power Management Features:

oRun: CPU on, peripherals on

oIdle: CPU off, peripherals on

oSleep: CPU off, peripherals off

-Priority Levels for Interrupts

-8 x 8 Single-Cycle Hardware Multiplier

-Extended Watchdog Timer (WDT):

oProgrammable period from 4 ms to 134s

-Single-Supply 3.3V In-Circuit Serial Programming™ (ICSP™) via Two Pins

-In-Circuit Debug (ICD) with 3 Breakpoints via Two Pins

-Operating Voltage Range of 2.3 V to 3.6V (3.1V to 3.6V using Ethernet module)

-On-Chip 2. V Regulator

Page 4

BLOCK DIAGRAM:

Page 5

MEMORY MAP:

Page 6

Page 7

SCHEMATIC:

Page 8

100nF

22pF

220nF

CE220uF/10V

100nF 100nF

100nF

100n

100nF

4.7nF

100nF

10uF/6.3V

10pF

2.2uF/50V

CE2 20uF/10 V

100nF

1N5819(smd)

WU06

ferrite bead

CL47uH/ D75

RJP-003TC1

red

VIN

25MHz

32768/6pF

100k

330

49.9/1%

270/1%2k/1%

4.3k/1%

1.8k/1%

390K

150K

330

10K

PIC18F67J60

AT45DB011

BD9001F O-8

3.3V

db25_male

1N4731(4.3V)

# 1

MI O

MO I

PGC

PGD

R T

TPIN+

TPIN-

TPOUT+

TPOUT-

3.3V_E

C7 C8

C10

C11

C12

C13

C14

C15

C16

C17

C18

C19

C20

C24

C31

IC P

GND

PW+

PW-

RCT

5RD+

RD-

TCT

4TD+

TD-

LAN

LED

GND

GND_

R7R8

R10

R11

R12

R13

R14

R15

R20

#MCLR

AVDD

ENVREG

O C1/CLKI

O C2/CLKO

RA0/LEDA/AN0 24

RA1/LEDB/AN1 23

RA2/AN2/VREF- 22

RA3/AN3/VREF+ 21

RA4/T0CKI 28

RA5/AN4 27

RB0/INT0/FLT0 3

RB1/INT1 4

RB2/INT2 5

RB3/INT3 6

RB4/KBI0 44

RB5/KBI1 43

RB6/KBI2/PGC 42

RB7/KBI3/PGD 37

RBIA

53 RC0/T1O O/T13CKI 30

RC1/T1O I/ECCP2/P2A 29

RC2/ECCP1/P1A 33

RC3/ CK1/ CL1 34

RC4/ DI1/ DA1 35

RC5/ DO1 36

RC6/TX1/CK1 31

RC7/RX1/DT1 32

RD0/P1B 60

RD1/ECCP3/P3A 59

RD2/CCP4/P3D 58

RE0/P2D 2

RE1/P2C 1

RE2/P2B 64

RE3/P3C 63

RE4/P3B 62

RE5/P1C 61

RF1/AN6/C2OUT 17

RF2/AN7/C1OUT 16

RF3/AN8 15

RF4/AN9 14

RF5/AN10/CVREF 13

RF6/AN11 12

RF7/# 1 11

RG4/CCP5/P1D 8

TPIN+

47 TPIN-

TPOUT+

51 TPOUT-

VDD

VDD1

VDD2

VDDCORE/VCAP

VDDPLL

VDDRX

48 VDDTX

V 1

V 2

V 3

V PLL

V RX

45 V TX

/C /

/RE ET/

/WP/ 5

GND 7

1O 8

VCC 6

EN 5

3GND 7

INV

N.C.

2RT 6

W 1

VIN

X1-1

X1-2

X1-3

X1-4

X1-5

X1-6

X1-7

X1-8

X1-9

X1-10

X1-11

X1-12

X1-13

X1-14

X1-15

X1-16

X1-17

X1-18

X1-19

X1-20

X1-21

X1-22

X1-23

X1-24

X1-25

PIC-MICRO-WEB

Rev. C

http://www.olimex.com/dev

2x1000pF/2KV

2x75 Ohm

J4,5

J7,8

GND

POWER SUPPLY CIRCUIT:

PIC-MICRO-WEB takes power over Ethernet using the module MOD-PoE. Other

possibility is 24- 0VDC to be directly applied to DB2 .pin8 if MOD-PoE is not to be

used.

The board power consumption depends on the applied power supply and may

vary. At 24VDC the consumption is about 40 mA.

RESET CIRCUIT:

PIC-MICRO-WEB reset circuit is made with R20 (10k) pull-up, R13 (330Ω) and

capacitor C31 (100nF).

CLOCK CIRCUIT:

Quartz crystal 2 MHz is connected to PIC18F67J60 pin 39 clock in (OSC1/CLKI)

and pin 40 clock out (OSC2/CLKO).

Quartz crystal 32.768 kHz is connected to PIC18F67J60 pin 29 (T1OSI) and pin 30

(T1OSO) and supplies the Timer1.

JUMPER DESCRIPTION:

3.3V_E

enables 3.3 V power supply for the PIC18F67J60 and all other

dev ces.

Default state is closed.

INPUT/OUTPUT:

Status red LED connected to PIC18F2 J10 pin 44 (PORTB.RB4/KBI0).

EXTERNAL CONNECTORS DESCRIPTION:

ICSP:

Pin # Signal name

1 RST

2 + V

3 GND

4 PGD

PGC

6 NC

PGD I/O Program Data. Serial data for programming.

Page 9

PGC Input Program Clock. Clock used for transferring the serial data (output from ICSP,

input for the MCU).

DB 5:

Pin # Signal Name Pin # Signal Name

1 RA4/T0CKI 2 RA0/LEDA/AN0

3 RC2/ECCP1/P1A 4 RA2/AN2/VREF-

RC7/RX1/DT1 6 VCC +3.3V

7 GND 8 VIN

9 RE1/P2C 10 RD2/CCP4/P3D

11 RE3/P3C 12 RE4/P3B

13 RD0/P1B 14 RA /AN4

1 RA1/LEDB/AIN1 16 RA3/AN3/VREF+

17 RC6/TX1/CK1 18 RF2/AN7/C1OUT

19 RG4/CCP /P1D 20 RB1/INT1

21 RB0/INT0/FLT0 22 RE0/P2D

23 RD1/ECCP3/P3A 24 RE2/P2B

2 RE /P1C

VIN is the pin where you should apply 24- 0VDC in case you don't want to use

MOD-PoE.

Page 10

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