參數(shù)資料
型號(hào): UPD703003GC-25
廠商: NEC Corp.
英文描述: V853TM 32/16-BIT SINGLE-CHIP MICROCONTROLLER
中文描述: V853TM 32/16位單片機(jī)
文件頁數(shù): 11/82頁
文件大小: 452K
代理商: UPD703003GC-25
11
μ
PD703003
Data Sheet U12261EJ2V1DS00
2.3 I/O Circuits of Pins and Processing of Unused Pins
Table 2-1 lists I/O circuit type of respective pins and processing method (recommended connection method) when
not used. Figure 2-1 illustrates the various circuit types using partially abridged diagrams.
When connecting to V
DD
or V
SS
via a resistor, a resistance value in the range of 1 to 10 k
is recommended.
Table 2-1. I/O Circuits of Pins and Processing of Unused Pins (1/2)
Pin
I/O Circuit Type
Recommended Connection Method
P00/TO110, P01/TO111
5
Input: Connect to V
DD
or V
SS
separately via a resistor
Output: Leave open
P02/TCLR11, P03/TI11,
P04/INTP110 to P07/INTP113/ADTRG
8
P10/TO120, P11/TO121
5
P12/TCLR12, P13/TI12
P14/INTP120
P15/INTP121/SO2
P16/INTP122/SI2
P17/INTP123/SCK2
8
P20/PWM0, P21/PWM1
P22/TXD0/SO0
5
P23/RXD0/SI0, P24/SCK0
8
P25/TXD1/SO1
5
P26/RXD1/SI1, P27/SCK1
8
P30/TO130, P31/TO131
5
P32/TCLR13, P33/TI13
8
P34/INTP130
P35/INTP131/SO3
P36/INTP132/SI3
P37/INTP133/SCK3
10-A
P40/AD0 to P47/AD7
5
P50/AD8 to P57/AD15
P60/A16 to P63/A19
P70/ANI0 to P77/ANI7
9
Connect directly to V
SS
P90/LBEN
5
Input: Connect to V
DD
or V
SS
separately via a resistor
Output: Leave open
P91/UBEN
P92/R/W
P93/DSTB
P94/ASTB
P95/HLDAK
P96/HLDRQ
P110/TO140, P111/TO141
P112/TCLR14, P113/TI14
P114/INTP140 to P117/INTP143
8
ANO0, ANO1
12
Leave open
NMI
2
Connect directly to V
SS
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