UPD161622 NEC, UPD161622 Datasheet - Page 2

• Manufacturer Part Number: UPD161622
• Description: 396 OUTPUT TFT-LCD SOURCE DRIVER
• Manufacturer: NEC

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1. BLOCK DIAGRAM
2
Remark
Internal
timing
generator
/xxx indicates active low signal.
S
1
S
2
S
3
S
4
Level shifter (2.5 V
Display data latch
(132 x 16 x 176 bits)
Command
decoder
LCD drive circuit
Display data RAM
Decoder
I/O buffer
Arbiter
Data Sheet S15649EJ2V0DS
Address
decoder /
controller
5 V)
Data
register
S
395
Gate control
S
396
LCD timing control
PS control
Gray scale generator
VCOM generator
D/A converter
Oscillator
Calibrator
BGR
PD161622
OSC
OSC
CVPH
CVNH
CVNL
R
VCOMR
FBR
CVPL
BGRIN
DAC
DAC
SEL
SEL
IN
OUT
0
7
to