EM78862B View Datasheet(PDF) - ELAN Microelectronics
Part Name
Description
MFG CO.
'EM78862B' PDF : 40 Pages View PDF
EM78862B
8-Bit RISC Type Microprocessor
Bit 1~2: (LCD_C#) Defines LCD display mode; enable, disable, or blanking (see following
table).
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
(Don’t care)
(Don’t care)
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
Bit 3:
Bit 4:
Bit 5:
Bit 6:
Bit 7:
Reserved. Clear this bit to ‘0’.
(WUP9L) Port 9 low nibble Wake-Up Enable. Use to enable the low nibble wake-up
function in Port 9.
0: Disable
1: Enable
(WUP9H) Port 9 high nibble Wake-Up Enable. Use to enable the high nibble
wake-up function in Port 9.
0: Disable
1: Enable
(WDTE = Watch Dog Timer Enable)
Control bit is used to enable Watchdog timer. The relation between Bit 4 to Bit 6 is
illustrated in Fig. 6 below.
0: Disable
1: Enable
Reserved. Clear this bit to ‘0’
10 of 36 Mar.01.2005 (V1.1)
Fig. 6 Wake-up Function and Control Signal
This specification is subject to change without further notice.
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