UPD16430AGF-3B9 Просмотр технического описания (PDF) - NEC => Renesas Technology

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UPD16430AGF-3B9

1/2, 1/3, 1/4 DUTY LCD CONTROLLER/DRIVER

NEC => Renesas Technology 

µPD16430A

Commands

Commands serve to set the LCD driver’s display mode and status.

The first byte (8 bits) after the falling edge input of the STB signal is processed as a command.

The various types of commands are shown below.

(1) Display Mode Setting Command

MSB

LSB

LL

F

R

F

R

CC

DD

0

0 —— C

K

C

K

MM

DD

1 0 10

Display mode setting flag

00 : 1/2 duty, 1/2 bias

01 : 1/2 duty, 1/2 bias

10 : 1/3 duty, 1/3 bias

11 : 1/4 duty, 1/3 bias

Frame frequency setting flag

00 : (fOSC/128) × n, n = duty (1/2, 1/3, 1/4)

01 : (fOSC/256) × n

10 : (fOSC/512) × n

11 : (fOSC/1024) × n

Don’t Care

Values at power-on reset

——— —— —

8

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