EM65100 Datasheet, PDF (14/75 Pages) ELAN Microelectronics Corp – 69 COM/ 101 SEG 4 Gray Level STN LCD Driver

EM65100
69 COM/ 101 SEG 4 Gray Level STN LCD Driver
6.4 LCD Drive Circuit Signals
Symbol
I/O
Description
Segment output pins for LCD drives.
According to the data of the Display RAM data, non-lighted at “0”, lighted at “1” (Normal
Mode). non-lighted at “1”, lighted at “0” (Reverse Mode) and, by a combination of M signal
and display data, one signal level among V0,V2,V3 and VSS signal levels are selected.
SEG0-
SEG101
(When Monochrome Display)
O
M Signal
Display RAM
Data
Normal Mode
Reverse Mode
V2 V0 V3 VSS
V0 V2 VSS V3
COM0-
COM66
COMA
COMB
SCOM
SSEG
Common output pins for LCD drivers. By a combination of the scanning data and M signal,
one signal level among V0, V1, V4 and VSS signal level is selected.
Data
O
H
M
Output level
H
VSS
L
H
V1
H
L
V0
L
L
V4
O Common output pin for LCD drive exclusively for icons.
O Common output pin for LCD drive exclusively for icons.
O LCD driver output pin for static driver
* This specification is subject to be changed without notice.
2005/3/8 (V0.6) 14