LC75824E 데이터 시트보기 (PDF) - SANYO -> Panasonic

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LC75824E

1/4 Duty General-Purpose LCD Display Driver

SANYO -> Panasonic 

LC75824E, 75824W

Display Control and the INH Pin

Since the LSI internal data (the display data D1 to D204 and the control data) is undefined when power is first applied,

applications should prevent meaningless displays with the following procedure. First, set the INH pin low at the same

time as power is applied to turn off the display. This will set the S1/P1 to S12/P12, S13 to S51, and COM1 to COM4

pins low. While the INH pin is held low, the microcontroller should send the serial data. Finally, the application can set

the INH pin to high. (See Figure 3.)

Internal data

Display and control data transfer

Undefined

Defined

t1...Determined by value of C and R.

tc...10 µs minimum

Figure 3

Notes on Microcontroller Transfer of Display Data

Since the LC75824E and LC75824W accept the display data divided into four separate transfer operations, we

recommend that applications make a point of completing all four data transfers within a period of no more than 30 ms to

guarantee the quality of the displayed image.

No.5252-14/17

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