參數(shù)資料
型號: μPD78P0208
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8位單片微控制器)
中文描述: 8位單片機微控制器(8位單片微控制器)
文件頁數(shù): 16/72頁
文件大?。?/td> 424K
代理商: ΜPD78P0208
16
m
PD78P0208
2.3 I/O CIRCUITS FOR PINS AND TREATMENT OF UNUSED PINS
Table 2-1 describes the types of I/O circuits for pins and the treatment of unused pins.
Fig. 2-1 shows the configuration of these various types of I/O circuits.
Table 2-1 Types of I/O Circuits for Pins (1/2)
I/O
Input
I/O
Input
I/O
Output
Recommended connection method for unused pins
Connect to V
SS
.
Connect to V
SS
through a separate resistor.
Connect to V
DD
or V
SS
.
Connect to V
DD
or V
SS
through a separate resistor.
Open
Pin name
P00/INTP0/TI0
P01/INTP1
P02/INTP2
P03/INTP3
P04/XT1
P10/ANI0-P17/ANI7
P20/SI1
P21/SO1
P22/SCK1
P23/STB
P24/BUSY
P25/SI0/SB0
P26/SO0/SB1
P27/SCK0
P30/TO0
P31/TO1
P32/TO2
P33/TI1
P34/TI2
P35/PCL
P36/BUZ
P37
P70-P74
FIP0-FIP12
P80/FIP13-P87/FIP20
P90/FIP21-P97/FIP28
I/O circuit type
2
8-A
16
11
8-A
5-A
8-A
5-A
8-A
10-A
5-A
8-A
5-A
13-D
14
14-B
#
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