參數(shù)資料
型號: μPD78054
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8 Bit Single Chip Microcontrollers
中文描述: 8位單片機微控制器
文件頁數(shù): 14/78頁
文件大?。?/td> 597K
代理商: ΜPD78054
14
μ
PD78052, 78053, 78054, 78056, 78055, 78058
3.3
Pin I/O Circuits and Recommended Connection of Unused Pins
The input/output circuit type of each pin and recommended connection of unused pins are shown in Table 3-1.
For the input/output circuit configuration of each type, refer to
Figure 3-1
.
Table 3-1. Input/Output Circuit Type of Each Pin (1/2)
Pin Name
Input/output
Circuit Type
I/O
Recommended Connection when Used
P00/INTP0/TI00
2
Input
Connect to V
SS
.
P01/INTP1/TI01
8-A
Input/output
Independently connect to V
SS
through resistor.
P02/INTP2
P03/INTP3
P04/INTP4
P05/INTP5
P06/INTP6
P07/XT1
16
Input
Connect to V
DD
.
P10/ANI0 to P17/ANI7
11
Input/output
Independently connect to V
DD
or V
SS
through resistor.
P20/SI1
8-A
P21/SO1
5-A
P22/SCK1
8-A
P23/STB
5-A
P24/BUSY
8-A
P25/SI0/SB0
10-A
P26/SO0/SB1
P27/SCK0
P30/TO0
5-A
P31/TO1
P32/TO2
P33/TI1
8-A
P34/TI2
P35/PCL
5-A
P36/BUZ
P37
P40/AD0 to P47/AD7
5-E
Independently connect to V
DD
through resistor.
P50/A8 to P57/A15
5-A
Independently connect to V
DD
or V
SS
through resistor.
P60 to P63
13-B
Independently connect to V
DD
through resistor.
P64/RD
5-A
Independently connect to V
DD
or V
SS
through resistor.
P65/WR
P66/WAIT
P67/ASTB
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