參數(shù)資料
型號: UPD789132GS-XXX
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, MICROCONTROLLER, PDSO30
封裝: 0.300 INCH, SHRINK, PLASTIC, SOP-30
文件頁數(shù): 5/54頁
文件大?。?/td> 481K
代理商: UPD789132GS-XXX
Data Sheet U13025EJ2V0DS00
11
PD789121, 789122, 789124, 789131, 789132, 789134
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. Types of Pin Input/Output Circuits
Pin Name
Input/Output
Circuit Type
I/O
Recommended Connection of Unused Pins
P00 to P03
P10, P11
5-A
P20/SCK20/ASCK20
P21/SO20/TXD20
P22/SI20/RXD20
P23/INTP0/CPT20/SS20
P24/INTP1/TO80/TO20
P25/INTP2/TI80
8-A
Input:
Independently connect to VDD or VSS via a resistor.
Output:
Leave open
P50 to P53
13-W
I/O
Input:
Independently connect to VDD via a resistor.
Output:
Leave open
P60/ANI0 to P63/ANI3
9-C
Input
Connect directly to VDD or VSS.
AVDD
Connect to VDD.
AVSS
––
Connect to VSS.
RESET
2
Input
IC0
Connect directly to VSS.
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