UPD16667N View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD16667N

160-OUTPUT LCD ROW DRIVER

NEC => Renesas Technology 

µPD16667

SYSTEM CONFIGURATION EXAMPLE

This example shows configuration of a liquid-crystal panel of half-VGA size (480 x 320 oblong) using four column

drivers and two row drivers.

• Each column driver sets the LSI No. with PL0 and PL1 pins.

• The DIR pins of each column driver are all set to low level.

• Only one of the column drivers is set to the master, all the others are set to the slave. Signals are supplied from

the master column driver to the slave column driver and the row driver.

• Connect an oscillator resistor to the OSC1 and OSC2 pins of the master, and leave the slave open.

• Inputs signals from the system (D0 to D15, A0 to A16, /CS, /OE, /WE, /UBE, RDY, /RESET, /DOFF’) in parallel to

all of the column driver. Connect a pull-up resistor to the RDY signal.

• The TEST pin is used to test the LSI, and is open or GND when the system is configured.

VCC2

PULSE

STB

/FRM

/DOUT, /DOFF’

L1

L2

/REFRH

Master

No. 0

OSC1

OSC2

Slave

No. 2

Y1

Y240 Y1

Y240

160

RDY

/DOFF

/RESET

D0 to D15

A0 to A16

Control

(/CS, /OE,

/WE, /UBE)

160

Y240

Y1 Y240

Y1

Slave

No. 1

Slave

No. 3

Remark The /DOUT pin is an output pin for the column driver.

4

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