Epson E0C6001 User manual
MF943-02
CMOS 4-BIT SINGLE CHIP MICROCOMPUTER
E0C6001 T
ECHNICAL
M
ANUAL
E0C6001 Technical Hardware
E0C6001 Technical Software
NOTICE
No part of this material may be reproduced or duplicated in any form or by any means without the written
permission of Seiko Epson. Seiko Epson reserves the right to make changes to this material without notice.
Seiko Epson does not assume any liability of any kind arising out of any inaccuracies contained in this material
or due to its application or use in any product or circuit and, further, there is no representation that this material
is applicable to products requiring high level reliability, such as medical products. Moreover, no license to any
intellectual property rights is granted by implication or otherwise, and there is no representation or warranty that
anything made in accordance with this material will be free from any patent or copyright infringement of a third
party. This material or portions thereof may contain technology or the subject relating to strategic products under
the control of the Foreign Exchange and Foreign Trade Control Law of Japan and may require an export license
from the Ministry of International Trade and Industry or other approval from another government agency. Please
note that "E0C" is the new name for the old product "SMC". If "SMC" appears in other manuals understand that
it now reads "E0C".
© SEIKO EPSON CORPORATION 1998 All rights reserved.
PREFACE
This manual is individualy described about the hardware and the software
of the E0C6001.
I. E0C6001 Technical Hardware
This part explains the function of the E0C6001, the circuit configura-
tions, and details the controlling method.
II. E0C6001 Technical Software
This part explains the programming method of the E0C6001.
Hardware
Software
Hardware
E0C6001
I.
Technical Hardware
Hardware
CONTENTS
CHAPTER 1 INTRODUCTION............................................................... I-1
1.1 Configuration ................................................................... I-1
1.2 Features .......................................................................... I-2
1.3 Block Diagram ................................................................. I-3
1.4 Pin Layout Diagram......................................................... I-4
1.5 Pin Description ................................................................ I-5
CHAPTER 2 POWER SUPPLY AND INITIAL RESET ................................ I-6
2.1 Power Supply .................................................................. I-6
2.2 Initial Reset...................................................................... I-8
Oscillation detection circuit...................................... I-9
Reset pin (RESET) .................................................... I-9
Simultaneous high input to input ports (K00–K03) ... I-9
Internal register following initialization.................... I-10
2.3 Test Pin (TEST).............................................................. I-10
CHAPTER 3 CPU, ROM, RAM ............................................................ I-11
3.1 CPU................................................................................ I-11
3.2 ROM ............................................................................... I-12
3.3 RAM ............................................................................... I-12
CHAPTER 4 PERIPHERAL CIRCUITS AND OPERATION ...................... I-13
4.1 Memory Map .................................................................. I-13
4.2 Oscillation Circuit............................................................ I-18
Crystal oscillation circuit......................................... I-18
CR oscillation circuit ............................................... I-19
4.3 Input Port (K00–K03)...................................................... I-20
Configuration of input port...................................... I-20
Interrupt function ................................................... I-20
Mask option ............................................................ I-22
Control of input port ............................................... I-23
4.4 Output Port (R00, R01) .................................................. I-25
Configuration of output port.................................... I-25
Mask option ............................................................ I-26
Control of output port ............................................. I-28
4.5 I/O Port (P00–P03)......................................................... I-31
Configuration of I/O port ........................................ I-31
I/O control register and I/O mode........................... I-32
Mask option ............................................................ I-32
Control of I/O port .................................................. I-33
4.6 LCD Driver (COM0–COM3, SEG0–SEG19) .................. I-35
Configuration of LCD driver..................................... I-35
Cadence adjustment of oscillation frequency ........... I-41
Mask option (segment allocation)............................. I-42
Control of LCD driver .............................................. I-44
4.7 Clock Timer .................................................................... I-45
Configuration of clock timer .................................... I-45
Interrupt function ................................................... I-46
Control of clock timer.............................................. I-47
4.8 Heavy Load Protection Function .................................... I-49
Operation of heavy load protection function ............ I-49
Control of heavy load protection function ................ I-50
Hardware
4.9 Interrupt and HALT......................................................... I-51
Interrupt factors...................................................... I-53
Specific masks and factor flags for interrupt............ I-54
Interrupt vectors ..................................................... I-54
Control of interrupt ................................................. I-55
CHAPTER 5 BASIC EXTERNAL WIRING DIAGRAM.............................I-56
CHAPTER 6 ELECTRICAL CHARACTERISTICS .................................... I-58
6.1 Absolute Maximum Rating ............................................. I-58
6.2 Recommended Operating Conditions ............................ I-59
6.3 DC Characteristics ......................................................... I-60
6.4 Analog Circuit Characteristics
and Power Current Consumption ................................... I-62
6.5 Oscillation Characteristics .............................................. I-66
CHAPTER 7 PACKAGE ...................................................................... I-68
7.1 Plastic Package.............................................................. I-68
7.2 Ceramic Package for Test Samples............................... I-69
CHAPTER 8 PAD LAYOUT .................................................................. I-70
8.1 Diagram of Pad Layout................................................... I-70
8.2 Pad Coordinates............................................................. I-71
CHAPTER 1: INTRODUCTION
I-1
INTRODUCTION
Each member of the E0C6001 Series of single chip micro-
computers feature a 4-bit E0C6200B core CPU, 1,024 words
of ROM (12 bits per word), 80 words of RAM (4 bits per
word), an LCD driver, 4 bits for input ports (K00–K03), 2
bits for output ports (R00, R01), one 4-bit I/O port (P00–
P03) and one timer (clock timer).
Because of their low voltage operation and low power con-
sumption, the E0C6001 Series are ideal for a wide range of
applications.
Configuration
The E0C6001 Series are configured as follows, depending on
the supply voltage.
CHAPTER 1
1.1
Table 1.1.1
Configuration of the
E0C6001 Series
Model Supply Voltage Oscillation Circuits
3.0 V
1.5 V
E0C6001
E0C60L01
Crystal or CR
Crystal or CR
Supply Voltage Range
1.8–3.6 V
1.2–2.0 V
E0C6001 TECHNICAL HARDWARE
I-2
Features
Crystal or CR oscillation circuit, 32.768 kHz (typ.)
100 instructions
1,024 words ×12 bits
80 words ×4 bits
4 bits (Supplementary pull-down resistors may be used )
2 bits (Piezo buzzer and programmable frequency output
can be driven directry by mask option)
4 bits
20 segments ×4, 3 or 2 common duty
1 system: clock timer
Input port interrupt 1 system
Timer interrupt 1 system
1.5 V (1.2–2.0 V) E0C60L01
3.0 V (1.8–3.6 V) E0C6001
1.0 µA
(Crystal oscillation CLK = 32.768 kHz, when halted)
2.5 µA
(Crystal oscillation CLK = 32.768 kHz, when executing)
QFP12-48pin (plastic) or chip
1.2
Built-in oscillation circuit
Instruction set
ROM capacity
RAM capacity (data RAM)
Input port
Output port
Input/output port
LCD driver
Timer
Interrupts:External interrupt
Internal interrupt
Supply voltage
Current consumption (typ.)
Supply form
CHAPTER 1: INTRODUCTION
I-3
1.3
Fig. 1.3.1
Block diagram
Power
Controller
LCD
Driver
RAM
80 ×4Interrupt
Generator
I Port
Test Port
I/O Port
O Port
Timer
Core CPU E0C6200B
ROM
1,024 ×12 OSC System
Reset
Control
RESET
OSC1
COM0
|
COM3
SEG0
|
SEG19
VDD
VL1
|
VL3
CA
CB
VS1
VSS
K00~K03
TEST
P00~P03
R00, R01
OSC2
FOUT
&
BUZZER
(FOUT/BUZZER)
(BUZZER)
Block Diagram
Table of contents
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