ALP027XXX Datasheet, PDF (4/6 Pages) Sanyo Semicon Device – Low-Temperature Polysilicon 0.33-inch TFT LCD Module

Input Pin Assignmene
No.
Symbol
1
XSTH
2
STH
3
VSS
4
CKH1
5
CKH2
6
VDD
7
CSH
8
V1
9
V2
10
V3
11
DSG
12
XDSG
13
DSD
14
VBB
15
CSV
16
ENB
17
XENB
18
XSTV
19
STV
20
CKV2
21
CKV1
22
COM
System Configuration
ALP027XXX
Function
Inverted signal of STH
H driver start signal
VSS for V and H driver
H driver clock1
H driver clock2
VDD for H · V driver
Right/left scan control signal (H : Normal scan, L : Reverse scan)
Video signal (V1)
Video signal (V2)
Video signal (V3)
Drain storage gate signal
Inverted signal of DSG
Drain storage data signal
Negative power supply for V driver
Up/down scan control signal (H : Normal scan, L : Reverse scan)
Enable signal
Inverted signal of ENB
Inverted signal of STV
V driver start signal
V driver clock2
V driver clock1
Common electrode voltage
Video signal
-Y
Y
Signal processing IC
LV4149W
Y1
Y2
RGB
drivers
Y3
(S&H)
COM
DSD
3
Serial control
Synchronous
signal
BUS
I/F
Sync.
sep.
Timing
controller
VCO
V1
V2
V3
COM
DSD
Low-Temperature Polysilicon TFT LCD
ALP027XXX
Power
Horizontal scanner
D-storage circuit
Display area
12
Level
shifter
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