參數(shù)資料
型號: UPD16662
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): 11/36頁
文件大?。?/td> 260K
代理商: UPD16662
11
μ
PD16662
LSI arrangement and address management
Addresses can be managed to allow up to four of these LSIs to be used to configure a liquid-crystal display of up to
half VGA size (320 x 480 dots). Up to four of these LSIs can be connected on the same bus sharing the /CS, /WE,
and /OE pins. On the system side, one screen of the liquid crystal display can be treated as one memory area, and it
is not necessary to decode for more than one
μ
PD16662. The PL0 and PL1 pins are used to specify LSI No. and to
determine the LSI arrangement. The DIR pins are used to determine the directions (vertical, horizontal) of the liquid-
crystal display.
PL1
PL0
LSI No.
0
0
No. 0
0
1
No. 1
1
0
No. 2
1
1
No. 3
1. Addresses of the VGA half-size horizontally (DIR = "0")
Specified
with
A16 to A8
Row
Row
X1
X160
X1
X160
00000
00100
Y1
Y240 Y1
0003A
0013A
Y240
00076
00176
Y240
Y1 Y240
Y1
00002
Column
No.0
Column
Column
Column
00038
09E3A
09F3A
0A03A
0A13A
09E00
09F00
0A000
0A100
09F38
0A038
09F02
0A002
No.1
13E3A
13F3A
13E00
13F00
13F38
13F02
0003C
0013C
0003E
No.2
00074
09E76
09F76
0A076
0A176
09E3C
09F3C
0A03C
0A13C
09F74
0A074
09F3E
0A03E
No.3
13E76
13F76
13E3C
13F3C
13F74
13F3E
Specified with A7 to A0
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