EM78862B データシートの表示（PDF） - ELAN Microelectronics

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EM78862B

8-Bit RISC Type Microprocessor

ELAN Microelectronics 

6.2.8 IOCA (2K RAM Bank, Port 8 I/O, Page Control Register, R/W,

Default "00000000") ................................................................................................. 13

6.2.9 IOCB (LCD Address, Counter 1 Preset Register) ..................................................... 14

6.2.9.1 Page 0 (LCD Address)................................................................................. 14

6.2.9.2 Page 1 (Counter 1 Preset Register)............................................................. 15

6.2.10 IOCC (LCD Data, Counter 2).................................................................................... 15

6.2.10.1 Page 0 (LCD Data) .................................................................................... 15

6.2.10.2 Page 1 (Counter 2) .................................................................................... 15

6.2.11 IOCD (Pull-High Control Register, R-Option Register).............................................. 15

6.2.11.1 Page 0 (Pull-High Control Register)........................................................... 15

6.2.11.2 Page 1 (R-Option Control Register) ........................................................... 15

6.2.12 IOCE (Port9 GPIO/LCD Segment, Port6 GPIO/LCD Com,

LCD Bias Scan Key Signal, Port7 Open Drain, Counter 1/2 Clock Source,

Counter1 Pre-Scaler Control Register)..................................................................... 16

6.2.12.1 Page 0 (Port9 GPIO/LCD Segment, Port6 GPIO/LCD Com,

LCD Bias, Scan Key Signal Control Register............................................ 16

6.2.12.2 Page 1 (Port 7 Open Drain, Counter 1/2 Clock Source,

Counter 1 Pre-Scaler ................................................................................. 18

6.2.13 IOCF (Interrupt Mask Register) ................................................................................ 18

6.3 TCC/WDT Pre-Scaler............................................................................................... 19

6.4 I/O Ports ................................................................................................................... 20

6.5 RESET and Wake-Up .............................................................................................. 20

6.6 Oscillator.................................................................................................................. 22

6.7 Interrupt ................................................................................................................... 22

6.8 LCD Driver ............................................................................................................... 23

6.8.1 LCD Driver Control ................................................................................................... 24

6.8.1.1 LCD Driver, WDT Control (RE) .................................................................. 24

6.8.2 LCD Display Area ..................................................................................................... 25

6.8.2.1 IOCB (LCD RAM Display Address)............................................................ 25

6.8.2.2 IOCC (LCD RAM Display Data) ................................................................. 25

6.8.3 LCD COM and SEG Signal ...................................................................................... 26

6.8.4 LCD Bias Control...................................................................................................... 27

6.8.4.1 IOCE (Bias Control Register)..................................................................... 27

6.9 Code Options........................................................................................................... 28

6.10 Instruction Set ......................................................................................................... 28

7 Absolute Maximum Ratings ................................................................................ 30

8 DC Electrical Characteristics .............................................................................. 31

9 AC Electrical Characteristics .............................................................................. 32

10 Timing Diagram..................................................................................................... 33

11 Application Circuit................................................................................................ 34

11.1 Application with Crystal Mode ............................................................................... 34

11.2 Application with RC Mode...................................................................................... 35

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EM78862B Specification

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