Specifications

S1C6P466 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 ........................................................................................... 19
4.2.1 Configuration of watchdog timer .............................................................. 19
4.2.2 Interrupt function ...................................................................................... 19
4.2.3 I/O memory of watchdog timer ................................................................. 20
4.2.4 Programming notes ................................................................................... 20
4.3 Oscillation Circuit ....................................................................................... 21
4.3.1 Configuration of oscillation circuit .......................................................... 21
4.3.2 OSC1 oscillation circuit ............................................................................ 21
4.3.3 OSC3 oscillation circuit ............................................................................ 21
4.3.4 Operating voltage ...................................................................................... 22
4.3.5 Switching operating clock ......................................................................... 22
4.3.6 Clock frequency and instruction execution time....................................... 22
4.3.7 I/O memory of oscillation circuit .............................................................. 23
4.3.8 Programming notes ................................................................................... 24
4.4 Input Ports (K00–K03 and K10–K13) ......................................................... 25
4.4.1 Configuration of input ports ..................................................................... 25
4.4.2 Interrupt function ...................................................................................... 25
4.4.3 Mask option ............................................................................................... 26
4.4.4 I/O memory of input ports ......................................................................... 27
4.4.5 Programming notes ................................................................................... 29