
S1C6F567 TECHNICAL MANUAL
EPSON
i
CONTENTS
CONTENTS
CHAPTER
1OUTLINE ________________________________________________ 1
1.1
Features ......................................................................................................... 1
1.2
Block Diagram .............................................................................................. 2
1.3
Pin Layout Diagram ..................................................................................... 3
1.4
Pin Description ............................................................................................. 4
1.5
Mask Option .................................................................................................. 5
CHAPTER
2POWER SUPPLY AND INITIAL RESET ____________________________ 6
2.1
Power Supply ................................................................................................ 6
2.1.1 Voltage <VD1> for oscillation circuit ........................................................ 7
2.1.2 Voltage <VC1–VC5> for LCD driving ........................................................ 7
2.2
Initial Reset ................................................................................................... 8
2.2.1 Reset terminal (RESET) ............................................................................. 8
2.2.2 Internal register at initial resetting ............................................................ 8
2.2.3 Terminal settings at initial resetting .......................................................... 9
2.3
Test Terminal (TEST) ................................................................................... 10
2.4
Terminals for Flash EEPROM ..................................................................... 10
CHAPTER
3 CPU, PROM, RAM ______________________________________ 11
3.1
CPU .............................................................................................................. 11
3.2
Code PROM ................................................................................................. 11
3.3
RAM ............................................................................................................. 11
3.4
Data PROM .................................................................................................. 12
CHAPTER
4PERIPHERAL CIRCUITS AND OPERATION __________________________ 13
4.1
Memory Map ................................................................................................ 13
4.2
Watchdog Timer ........................................................................................... 21
4.2.1 Configuration of watchdog timer .............................................................. 21
4.2.2 Interrupt function ...................................................................................... 21
4.2.3 I/O memory of watchdog timer ................................................................. 22
4.2.4 Programming notes ................................................................................... 22
4.3
Oscillation Circuit ....................................................................................... 23
4.3.1 Configuration of oscillation circuit .......................................................... 23
4.3.2 OSC1 oscillation circuit ............................................................................ 23
4.3.3 OSC3 oscillation circuit ............................................................................ 23
4.3.4 Operating voltage ...................................................................................... 24
4.3.5 Switching the CPU operating clock .......................................................... 24
4.3.6 Clock frequency and instruction execution time ....................................... 24
4.3.7 I/O memory of oscillation circuit .............................................................. 25
4.3.8 Programming notes ................................................................................... 25
4.4
Input Ports (K00–K03 and K10–K13) ......................................................... 26
4.4.1 Configuration of input ports ..................................................................... 26
4.4.2 Interrupt function ...................................................................................... 26
4.4.3 Mask option ............................................................................................... 27
4.4.4 I/O memory of input ports ......................................................................... 28
4.4.5 Programming notes ................................................................................... 30