參數(shù)資料
型號(hào): UPD16661A
廠商: NEC Corp.
英文描述: 160-OUTPUT LCD COLUMN SEGMENT DRIVER WITH RAM
中文描述: 160輸出LCD列段驅(qū)動(dòng)與RAM
文件頁(yè)數(shù): 11/36頁(yè)
文件大小: 187K
代理商: UPD16661A
11
μ
PD16661A
6. LSI PLACEMENT AND ADDRESS MANAGEMENT
Addresses can be managed to allow the use of a maximum of eight
μ
PD16661A devices for configuring a liquid-
crystal display of up to VGA size (480
×
640 dots).
Up to eight of these LSIs can be connected to the same data bus and to the /CS, /WE, and /OE pins, which are
shared.
One screen of the liquid-crystal display can be treated as one memory area in the system, so it is not necessary
to decode more than one
μ
PD16661A device.
The PL0, PL1, and PL2 pins are used to specify the LSI No. and determine the LSI placement. The DIR pin is
used to determine the direction (perpendicular, lateral) of the liquid-crystal display.
PL2
PL1
PL0
LSI No.
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
No. 0
No. 1
No. 2
No. 3
No. 4
No. 5
No. 6
No. 7
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