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  NEC Electronic Components Datasheet  

UPD161620 Datasheet

432 OUTPUT TFT-LCD SOURCE DRIVER

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PRELIMINARY PRODUCT INFORMATION
MOS INTEGRATED CIRCUIT
µ PD161620
432 OUTPUT TFT-LCD SOURCE DRIVER WITH RAM
DESCRIPTION
The µ PD161620 is a TFT-LCD source driver that includes display RAM.
This driver has 432 outputs, a display RAM capacity of 304,128 bits (432 dots x 4 bits x 176 lines) and, can provide a
4,096-color display.
FEATURES
TFT-LCD driver with on-chip display RAM
Logic supply voltage: 2.5 to 3.6 V
5 Driver supply voltage: 3.6 to 5.5 V
Display RAM: 432 x 4 x 176 bits
5 Driver outputs: 432 output
CPU interface: Serial, 4-bit/8-bit parallel interface selectable
5 (Parallel interface requires WAIT control via RDY signal)
Colors: 4,096 colors/pixel
On-chip VCOM generator
On-chip timing generator
On-chip oscillator
ORDERING INFORMATION
Part Number
www.DataSheet4U.com
µ PD161620
Package
TCP/Chip
Remark Purchasing the above chip entails the exchange of documents such as a separate memorandum or
product quality, so please contact one of our sales representatives.
The information contained in this document is being issued in advance of the production cycle for the
device. The parameters for the device may change before final production or NEC Corporation, at its own
discretion, may withdraw the device prior to its production.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. S14797EJ3V7PM00 (3rd edition)
Date Published July 2001 NS CP(K)
Printed in Japan
The mark 5 shows the major revised points.
©
2000


  NEC Electronic Components Datasheet  

UPD161620 Datasheet

432 OUTPUT TFT-LCD SOURCE DRIVER

No Preview Available !

5 1. BLOCK DIAGRAM
Y1 Y2 Y3 Y4
Y431 Y432
µ PD161620
Internal
timing
www.DataSheet4U.cgoemnerator
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


Part Number UPD161620
Description 432 OUTPUT TFT-LCD SOURCE DRIVER
Maker NEC
Total Page 30 Pages
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