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參數(shù)資料
| 型號： | UPD16663N-051 |
| 廠商： | NEC Corp. |
| 英文描述： | 240-OUTPUT LCD COLUMN SEGMENT DRIVER WITH BUILT-IN RAM |
| 中文描述： | 240輸出LCD列段驅(qū)動(dòng)，配有內(nèi)存 |
| 文件頁數(shù)： | 19/40頁 |
| 文件大?。?/td> | 289K |
| 代理商： | UPD16663N-051 |
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Data Sheet S13392EJ1V0DS00
19
μ
PD16663
8. INITIALIZATION FUNCTION
Two initialization functions are available in the
μ
PD16663.
8.1 Initialization by /RESET
/RESET is used for forcible external initialization of the LSI. When /RESET = L, the internal statuses of the
μ
PD16663 are as follows.
ì
Oscillation stopped
ì
LCD timing generator initialized
ì
Internal timing generator initialized
ì
Self-diagnostic circuit initialized
ì
Gray scale palette register initialized
ì
Display off
The display remains off for 4 frame cycles after /RESET release, even if the /DOFF pin is H.
/RESET
/FRM
1
2
3
4
5
6
/DOUT
Internal status
Display off
Display on
Be sure to initialize the LSI by /RESET when turning on the power.
8.2 Initialization by /REFRH
/REFRH is a pin used by the internal self-diagnostic circuit to initialize the LSI when there are mismatches in the
timing of the column drivers due to external noise, etc. When /REFRH = L, the internal statuses of the
μ
PD16663
are as follows.
ì
Oscillation stopped
ì
LCD timing generator initialized
ì
Internal timing generator initialized
ì
Display off
#
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