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參數(shù)資料
| 型號： | UPD16663N |
| 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，配有內(nèi)存 |
| 文件頁數(shù)： | 5/40頁 |
| 文件大?。?/td> | 289K |
| 代理商： | UPD16663N |
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Data Sheet S13392EJ1V0DS00
5
μ
PD16663
(10) Data latch (1)
Latches 240-pixel data read from RAM.
(11) Data latch (2)
Latches 240-pixel data in synchronization with the STB signal.
(12) Level shifter
Converts the internal circuit operating voltage (3.3 V) to the voltage required by the LCD driver and row
driver interface (5 V).
(13) DEC
Decodes the gray scale display data into the corresponding LCD drive voltages V
0
, V
1
, and V
2
.
(14) LCD driver circuit
Creates the voltage to be applied to the LCD by selecting one of LCD drive power supplies V
0
, V
1
, or V
2
,
according to the gray scale data and display off signal (/DOFF).
(15) Self-diagnostic circuit
Automatically detects any mismatch between the operation timings of the master and slave chips cause by
noise, etc., and issues a refresh signal to all the column drivers.
Address Map Image (Half VGA Size)
Column direction specified with A
7
to A
0
Y
1
Y
1
Y
1
L1
L160
L1
L160
No. 0
No. 2
No. 1
No. 3
Y
240
Y
240
Y
240
Y
240
Y
1
Address increases in this direction
Address increases in this direction
Line direction specified
with A
16
to A
8
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