EM78862B View Datasheet(PDF) - ELAN Microelectronics
Part Name
Description
MFG CO.
'EM78862B' PDF : 40 Pages View PDF
EM78862B
8-Bit RISC Type Microprocessor
32.768KHz X'TAL or RC
LCD Timing Control
IOCB (Address)
IOCC (Data)
LCD RAM
RE(LCD_C,LCD_M)
LCD Duty Control
Display Data Control
Bias Control
LCD COMMON Control
LCD SEGMENT Control
Vdd - Vlcd
COM
Fig. 12 LCD Driver Control Block
SEG
6.8.1 LCD Driver Control
6.8.1.1 LCD Driver, WDT Control (RE)
Bit 7
0
Bit 6
Bit 5
Bit 4
/WDTE /WUP9H /WUP9L
Bit 3
0
Bit 2
Bit 1
Bit 0
LCD_C2 LCD_C1 LCD_M
Bit 0: (LCD_M) LCD_M decides the methods, including duty.
Bit 1 ~ 2: (LCD_C#) decides the LCD display enable or blanking.
LCD_C2
0
0
0
0
1
1
1
1
LCD_C1
0
0
1
1
0
0
1
1
LCD_M
0
1
0
1
0
1
0
1
LCD Display Control
Change duty
Disable (turn off LCD)
Blanking
Blanking
X
X
LCD display enable
LCD display enable
Duty
1/9
1/8
1/9
1/8
1/9
1/8
1/9
1/8
Bias
1/4
1/4
1/4
1/4
1/4
1/4
1/4
1/4
24 of 36 Mar.01.2005 (V1.1)
This specification is subject to change without further notice.
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