參數(shù)資料
型號(hào): μPD703001
廠商: NEC Corp.
英文描述: 16/32 Bit Single Chip Microcontrollers(16/32位單片微控制器)
中文描述: 16/32位單片機(jī)微控制器(16/32位單片微控制器)
文件頁(yè)數(shù): 11/88頁(yè)
文件大?。?/td> 614K
代理商: ΜPD703001
11
μ
PD703000, 703001
1.3 I/O Circuits of Pins and Recommended Connections of Unused Pins
Table 1-1 shows the I/O circuit types of the respective pins in the normal operation mode and recommended
connections of unused pins. Figure 1-1 shows the respective circuit types partially simplified.
When connecting a pin to V
DD
or V
SS
via resistor, use of a resistor of 3 to 10 k
is recommended.
Table 1-1. I/O Circuit Types of Respective Pins and Recommended Connections of Unused Pins
Pin Name
I/O Circuit Type
Recommended Connections
P00/TO10,P01/TO11
5
Input: Individually connect to V
DD
or V
SS
via resistor
P02/TCLR1,P03/TI1,
8
Output: Open
P04/INTP10-P07/INTP13
P10-P17
5
P20/NMI
2
Directly connect to V
SS
P21/INTP00-P24/INTP03
8
Input: Individually connect to V
DD
or V
SS
via resistor
P25
5
Output: Open
P26,P27
8
P30/SO
5
P31/SI,P32/SCK
8
P33/TXD,P34/RXD,P35
5
P36,P37
8
P40/AD0-P47/AD7
5
P50/AD8-P57/AD15
P60/A16-P67/A23
P90/LBEN
P91/UBEN
P92/R/W
P93/DSTB
P94/ASTB
P95/ST0,P96/ST1
P97
P100/HLDAK
P101/HLDRQ
P102
P103
CLKOUT
3
Open
CKSEL
2
WAIT
1
Directly connect to V
DD
MODE0,MODE1
2
RESET
IC0
Directly connect to V
SS
IC1
Directly connect to V
DD
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