UPD161620 データシートの表示（PDF） - NEC => Renesas Technology

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UPD161620

432 OUTPUT TFT-LCD SOURCE DRIVER WITH RAM

NEC => Renesas Technology 

5 1. BLOCK DIAGRAM

Y1 Y2 Y3 Y4

Y431 Y432

µ PD161620

Internal

timing

generator

LCD drive circuit

Decoder

Level shifter (2.7 V 4 or 5 V)

Display data latch

Gray

scale

generator

VRH, V0 to V15

VLH1, VLH2

Display data RAM

(4 x 176 x 144 x 3 bits)

LCD timing control

Calibrator

Arbiter

Command

decoder

Address

decoder /

controller

Data

register

Oscillator

BGR

VCOM

generator

I/O buffer

Gate

control

PS

control

Remark /xxx indicates active low signal.

2

Preliminary Product Information S14797EJ3V7PM

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