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參數(shù)資料
| 型號： | S1C621C0D |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, 1.3 MHz, MICROCONTROLLER, UUC74 |
| 封裝： | DIE-74 |
| 文件頁數(shù)： | 54/108頁 |
| 文件大?。?/td> | 992K |
| 代理商： | S1C621C0D |
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S1C621C0 TECHNICAL MANUAL
EPSON
i
CONTENTS
CHAPTER
1OVERVIEW _______________________________________________ 1
1.1
Features ........................................................................................................ 1
1.2
Block Diagram .............................................................................................. 2
1.3
Pin Layout Diagram ...................................................................................... 3
1.4
Pin Description ............................................................................................. 4
CHAPTER
2POWER SUPPLY AND INITIAL RESET ____________________________ 5
2.1
Power Supply ................................................................................................ 5
2.1.1 Voltage <VD1> for oscillation circuit and internal circuits ....................... 6
2.1.2 Voltage <VC1, VC2 and VC3> for LCD driving .......................................... 6
2.2
Initial Reset ................................................................................................... 6
2.2.1 Reset terminal (RESET) .............................................................................. 7
2.2.2 Watchdog timer ........................................................................................... 7
2.2.3 Internal register at initial resetting ............................................................ 7
2.3
Test Terminal (TEST) .................................................................................... 7
CHAPTER
3 CPU, ROM, RAM ________________________________________ 8
3.1
CPU ............................................................................................................... 8
3.2
ROM .............................................................................................................. 8
3.3
RAM .............................................................................................................. 8
CHAPTER
4PERIPHERAL CIRCUITS AND OPERATION _________________________ 9
4.1
Memory Map ................................................................................................. 9
4.2
Resetting Watchdog Timer ........................................................................... 13
4.2.1 Configuration of watchdog timer ............................................................... 13
4.2.2 Control of watchdog timer ......................................................................... 13
4.2.3 Programming note ..................................................................................... 13
4.3
Oscillation Circuit ........................................................................................ 14
4.3.1 Configuration of oscillation circuit ........................................................... 14
4.3.2 OSC1 oscillation circuit ............................................................................. 14
4.3.3 OSC3 oscillation circuit ............................................................................. 15
4.3.4 CPU clock switching .................................................................................. 15
4.3.5 Clock frequency and instruction execution time ........................................ 15
4.3.6 Control of oscillation circuit ...................................................................... 16
4.3.7 Programming notes .................................................................................... 16
S1C621C0 Technical Manual
PREFACE
This manual explains the function of the S1C621C0, the circuit configurations,
and details the controlling method.
CONTENTS
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