M38265EBFP datasheet(85/91 Pages) RENESAS

tên linh kiện	M38265EBFP

Giải thích chi tiết về linh kiện	SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

PDF	91 Pages

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85 / 91 page

Rev.1.00

Sep 06, 2006

page 85 of 88

REJ03B0181-0100

3826 Group (One Time PROM version)

(6)

Data setting to LCD display RAM

When writing a data into the LCD display RAM during LCD being turned ON (LCD enable bit =

“1”), write the confirmed data. Do not write temporarily on the LCD display RAM because this

might cause the LCD display flickering. Figure 3.3.10 shows the write procedure for LCD display

RAM when LCD is on.

Fig. 3.3.10 Write procedure for LCD display RAM when LCD is on

(1)Right process example

LCD

OFF

•Sets determinate data to LCD display RAM

Sets LCD display RAM data

LRAM0 (Address : 4016) ← “FF16”

LCD display

ON or OFF ?

•Sets turn off data to LCD display RAM

•Sets determinate data to LCD diplay RAM

(2) Error process example

LCD

OFF

LCD

OFF

Contents of addres 004016 are “FF16”

LCD display

ON or OFF ?

Sets LCD display RAM data

LRAM0 (Address : 4016) ← “FF16”

Sets LCD display RAM data

LRAM0 (Address : 4016) ← “0016”

Sets LCD display RAM data

LRAM0 (Address : 4016) ← “0016”

Contents of addres 004016 are “FF16”

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