Epson S1C63558 Dokumentacja Pobierz pdf (Strona 7)

S1C63466 TECHNICAL MANUAL EPSON i

CONTENTS

CHAPTER

1OUTLINE ________________________________________________ 1

1.1 Features ......................................................................................................... 1

1.2 Block Diagram .............................................................................................. 2

1.3 Pin Layout Diagram ..................................................................................... 3

1.4 Pin Description ............................................................................................. 5

1.5 Mask Option.................................................................................................. 6

CHAPTER 2POWER SUPPLY AND INITIAL RESET ____________________________ 9

2.1 Power Supply ................................................................................................ 9

2.1.1 Voltage <VD1> for oscillation circuit and internal circuits..................... 10

2.1.2 Voltage <VC1–VC5> for LCD driving ....................................................... 10

2.2 Initial Reset .................................................................................................. 11

2.2.1 Reset terminal (RESET) ............................................................................ 11

2.2.2 Simultaneous low input to terminals K00–K03 ........................................ 12

2.2.3 Internal register at initial resetting........................................................... 12

2.2.4 Terminal settings at initial resetting ......................................................... 13

2.3 Test Terminal (TEST) ................................................................................... 13

CHAPTER 3 CPU, ROM, RAM________________________________________ 14

3.1 CPU.............................................................................................................. 14

3.2 Code ROM.................................................................................................... 14

3.3 RAM ............................................................................................................. 14

3.4 Data ROM .................................................................................................... 15

CHAPTER 4PERIPHERAL CIRCUITS AND OPERATION__________________________ 16

4.1 Memory Map ................................................................................................ 16

4.2 Watchdog Timer ........................................................................................... 22

4.2.1 Configuration of watchdog timer .............................................................. 22

4.2.2 Interrupt function ...................................................................................... 22

4.2.3 I/O memory of watchdog timer ................................................................. 23

4.2.4 Programming notes ................................................................................... 23

4.3 Oscillation Circuit ....................................................................................... 24

4.3.1 Configuration of oscillation circuit .......................................................... 24

4.3.2 OSC1 oscillation circuit ............................................................................ 24

4.3.3 OSC3 oscillation circuit ............................................................................ 25

4.3.4 Switching of operating voltage ................................................................. 26

4.3.5 Clock frequency and instruction execution time....................................... 26

4.3.6 I/O memory of oscillation circuit .............................................................. 27

4.3.7 Programming notes ................................................................................... 28

4.4 Input Ports (K00–K03 and K10–K13) ......................................................... 29

4.4.1 Configuration of input ports ..................................................................... 29

4.4.2 Interrupt function ...................................................................................... 29

4.4.3 Mask option ............................................................................................... 30

4.4.4 I/O memory of input ports ......................................................................... 31

4.4.5 Programming notes ................................................................................... 33

1 2 3 4 5 6 7 8 9 10 11 12 ... 143 144

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