EM78862C 查看數據表（PDF） - ELAN Microelectronics

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EM78862C

8-Bit Microcontroller

ELAN Microelectronics 

EM78862C

8-Bit RISC Type Microprocessor

6.1.11 RA (LCD Address0~7) --- Page 1

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

LCD_A7 LCD_A6 LCD_A5 LCD_A4 LCD_A3 LCD_A2 LCD_A1 LCD_A0

Bit 0 ~ Bit 7 (LCD_A0 ~ LCD_A7): LCD address for LCD RAM reading or writing

The LCD RAM corresponds to the COMMON and

SEGMENT signals as shown in the following

table:

COM15 ~COM8

Address 80H

:

Address 9FH

Address A0H

Address A1H

:

Address AEH

Address AFH

Address B0H

:

Address BFH

Address C0H

Address C1H

:

Address CEH

Address CFH

Address D0H

:

Address FFH

COM7 ~ COM0

Address 00H

:

Address 1FH

Address 20H

Address 21H

:

Address 2EH

Address 2FH

Address 30H

:

Address 3FH

Address 40H

Address 41H

:

Address 4EH

Address 4FH

Address 50H

:

Address 7FH

SEGMENT

Dummy

:

Dummy

SEG 32

SEG 33

:

SEG 46

SEG 47

Dummy

:

Dummy

SEG 64

SEG 67

:

SEG78

SEG79

Dummy

:

Dummy

6.1.12 RB (LCD Data Buffer) --- Page 1

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

LCD_D7 LCD_D6 LCD_D5 LCD_D4 LCD_D3 LCD_D2 LCD_D1 LCD_D0

Bit 0 ~ Bit 7 (LCD_D0 ~ LCD_D7): LCD data buffer for LCD RAM reading or writing

Example.

MOV A,@0

MOV R9_PAGE1,A

MOV RA_PAGE1,A

MOV A,@0XAA

MOV RB_PAGE1,A

MOV A,RB_PAGE1

;Address

;Write data 0xAA to LCD RAM

;Read data from LCD RAM

12 •

Product Specification (V2.1) 07.13.2005

(This specification is subject to change without further notice)

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