參數(shù)資料
型號(hào): μPD78P048A
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(jī)微控制器(8位單片微控制器)
文件頁(yè)數(shù): 16/72頁(yè)
文件大?。?/td> 387K
代理商: ΜPD78P048A
m
PD78P048A
16
2.3 Pin Input/Output Circuits and Recommended Connection of Unused Pins
Types of input/output circuits of the pins and recommeded connection of unused pins are shown in Table 2-1.
For the configuration of each type of input/output circuit, refer to
Figure 2-1
.
Table 2-1. Type of Input/Output Circuit of Each Pin
Pin Name
Input/Output
Circuit Type
Input/Output
Recommended Connecting
Method when Unused
P00/TI0/INTP0
2
Input
Connect to V
SS
.
P01/INTP1
8-A
Input/output
Individually connect to V
SS
via resistor
P02/INTP2
P03/INTP3/CI0
P04/XT1
16
Input
Connect to V
DD
or V
SS
.
P10A/ANI0 to P17/AN7
11
Input/output
Individually connect to V
DD
or V
SS
via resistor
P20/SI1
8-A
P21/SO1
5-A
P22/SCK1
8-A
P23/STB
5-A
P24/BUSY
8-A
P25/SI0/SB0
P26/SO0/SB1
10-A
P27/SCK0
P30/TO0
P31/TO1
5-A
P32/TO2
P33/TI1
8-A
P34/TI2
P35/PCL
5-A
P36/BUZ
P37
P70 to P74
13-D
P80/FIP0, P81/FIP1
14
Output
Leave open.
P90/FIP2 to P97/FIP9
P100/FIP10 to P105/FIP15
P106/FIP16, P107/FIP17
14-B
P110/FIP18 to P117/FIP25
15-B
Input/output
Individually connect to V
DD
or V
SS
via resistor
P120/FIP26 to P127/FIP33
RESET
2
Input
XT2
16
Leave open
AV
REF
Connect to V
SS
AV
DD
Connect to V
DD
AV
SS
Connect to V
SS
V
LOAD
V
PP
Directly connect to V
SS
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