NJU6538 View Datasheet(PDF) - Japan Radio Corporation

Part Name

Description

Manufacturer

NJU6538

1/8, 1/9, 1/10 Duty BITMAP LCD DRIVER with KEY SCAN

Japan Radio Corporation  

Example ) Set output PWM waveform of Po0 to Po3 terminal, shown below:

• PWM phase set D1=0,

• PWMEN=1,

• (PWM6, PWM 5, PWM 4, PWM 3, PWM 2, PWM 1, PWM 0)=(1,0,0,0,0,0,0)

Po0

1

PWM frequency (fPWM)

65 66

128

NJU6538

Po1

1

65 66

128

Po2

1

65 66

128

Po3

1

32-steps 32-steps 32-steps

65 66

(n) General output port / Key scan output select

This instruction assigns function of general purpose output port or key scan output to Po3/S0

terminals.

A0 D7 D6 D5 D4 D3 D2 D1 D0

0 1 0 0 1 0 0 0D

D 0: General output port

1: Keyscan output

Ver.2003-05-09

- 13 -

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