參數(shù)資料
型號: UPD98409
廠商: NEC Corp.
英文描述: ATM LIGHT SAR CONTROLLER
中文描述: 自動柜員機燈特區(qū)控制器
文件頁數(shù): 11/36頁
文件大?。?/td> 402K
代理商: UPD98409
11
μ
PD98409
1.5 Other Pins
Pin Name
Pin No.
I/O
I/O Level
Function
PHYSEL1
225
I
LV-TTL
Internal test pin.
Input a low level to this pin.
PO3-PO0
192 - 195
O
CMOS
General-purpose output port.
General-purpose output port pins. These pins output the value written to
the GPOR register.
LA5-LA0
182 - 185,
187, 188
O
TTL
Internal test pins.
Leave these pins open during normal operation.
LASTB
189
O
TTL
Internal test pin.
Leave this pin open during normal operation.
1.6 Power and Ground Pins
Pin Name
Pin No.
I/O
Function
V
DD3
21, 40, 61, 81, 91, 100, 120,
130, 140, 151, 160, 169, 181,
190, 201, 206, 220, 240
+3.3-V power supply.
These pins supply +3.3 V to the chip.
V
DD5
8, 14, 32, 47, 52, 58, 67, 76,
234, 237
+5 V power supply.
These pins supply +5 V to the chip when a +5-V bus interface is used.
Supply +3.3 V to these pins when a +3.3-V bus interface is used.
GND
1, 2, 7, 12, 15, 20, 26, 31, 36,
41, 46, 53, 59, 60, 66, 70, 72,
74, 77, 78, 80, 85, 90, 96, 98,
101, 110, 112, 121, 122, 127,
129, 137, 139, 145, 150, 156,
161, 168, 174, 179, 180, 186,
191, 196, 200, 207, 213, 215,
221, 223, 228, 233, 236
Ground.
Connect to ground.
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