LC75829PW 查看數據表（PDF） - SANYO -> Panasonic

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LC75829PW

1/4 and 1/3-Duty General-Purpose LCD Display Driver

SANYO -> Panasonic 

LC75829PE, 75829PW

Notes on Controller Transfer of Display Data

When using the LC75829 in 1/4 duty, applications transfer the display data (D1 to D208) in four operations, and in 1/3

duty, they transfer the display data (D1 to D159) in three operations. In either case, applications should transfer all of

the display data within 30 ms to maintain the quality of displayed image.

S53/OSCI Pin Peripheral Circuit

(1) Internal oscillator operating mode (control data OC=0)

Connect the S53/OSCI pin to the LCD panel when the internal oscillator operating mode is selected.

OSCI/S53

To LCD panel

(2) External clock operating mode (control data OC=1)

When the external clock operating mode is selected, insert a current protection resistor Rg (2.2 to 22kΩ) between

the S53/OSCI pin and external clock output pin (external oscillator). Determine the value of the resistance according

to the allowable current value at the external clock output pin. Also make sure that the waveform of the external

clock is not heavily distorted.

External clock output pin

External oscillator

OSCI/S53

Rg

Note: Allowable current value at external clock output pin > VDD

Rg

(3) Unused pin treatment

When the S53/OSCI pin is not to be used, select the internal oscillator operating mode (setting control

data OC to 0) to keep the pin open.

OSCI/S53

OPEN

No.A1462-20/22

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