
S1C60N08 TECHNICAL HARDWARE
EPSON
I-i
CONTENTS
CONTENTS
CHAPTER
1OVERVIEW _______________________________________________ I-1
1.1
Configuration .............................................................................................. I-1
1.2
Features ....................................................................................................... I-1
1.3
Block Diagram ............................................................................................ I-2
1.4
Pin Layout Diagram ................................................................................... I-3
1.5
Pin Description ........................................................................................... I-4
1.6
S1C60N08 Option List ................................................................................ I-4
CHAPTER
2POWER SUPPLY AND INITIAL RESET ____________________________ I-7
2.1
Power Supply .............................................................................................. I-7
2.2
Initial Reset ................................................................................................. I-9
2.2.1 Power-on reset circuit ............................................................................... I-9
2.2.2 RESET terminal ......................................................................................... I-9
2.2.3 Simultaneous high input to input ports (K00–K03) ................................. I-9
2.2.4 Watchdog timer ......................................................................................... I-10
2.2.5 Internal register at initial reset ................................................................ I-10
2.3
Test Terminal (TEST) ................................................................................. I-10
CHAPTER
3 CPU, ROM, RAM _______________________________________ I-11
3.1
CPU ............................................................................................................ I-11
3.2
ROM ........................................................................................................... I-11
3.3
RAM ........................................................................................................... I-11
CHAPTER
4PERIPHERAL CIRCUITS AND OPERATION _________________________ I-12
4.1
Memory Map .............................................................................................. I-12
4.2
Resetting Watchdog Timer ......................................................................... I-16
4.2.1 Configuration of watchdog timer ............................................................. I-16
4.2.2 Mask option .............................................................................................. I-16
4.2.3 Control of watchdog timer ....................................................................... I-16
4.2.4 Programming note .................................................................................... I-16
4.3
Oscillation Circuit and Prescaler .............................................................. I-17
4.3.1 Configuration of oscillation circuit and prescaler .................................. I-17
4.3.2 OSC1 oscillation circuit ........................................................................... I-17
4.3.3 OSC3 oscillation circuit ........................................................................... I-18
4.3.4 Control of oscillation circuit and prescaler ............................................ I-19
4.3.5 Programming notes .................................................................................. I-20
4.4
Input Ports (K00–K03, K10, K20–K23) .................................................... I-21
4.4.1 Configuration of input ports .................................................................... I-21
4.4.2 Input comparison registers and interrupt function ................................. I-21
4.4.3 Mask option .............................................................................................. I-24
4.4.4 Control of input ports ............................................................................... I-24
4.4.5 Programming notes .................................................................................. I-26
4.5
Output Ports (R00–R03, R10–R13) ........................................................... I-27
4.5.1 Configuration of output ports .................................................................. I-27
4.5.2 Mask option .............................................................................................. I-27
4.5.3 Control of output ports ............................................................................. I-29
4.5.4 Programming note .................................................................................... I-30