參數(shù)資料
型號: μPD780031Y
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): 14/66頁
文件大?。?/td> 454K
代理商: ΜPD780031Y
μ
PD780031Y, 780032Y, 780033Y, 780034Y
Preliminary Data Sheet
14
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, see Figure 3-1.
Table 3-1. Input/Output Circuit Type of Each Pin
Pin Name
Input/output
Circuit Type
I/O
Recommended Connection when not Used
P00/INTP0
8-C
Input
Independently connect to V
SS0
via a resistor .
P01/INTP1
P02/INTP2
P03/INTP3
P10/ANI0 to P17/ANI7
25
Input
Independently connect to V
DD0
or V
SS0
via a resistor.
P20/SI30
8-C
Input/output
P21/SO30
5-H
P22/SCK30
8-C
P23/RxD0
P24/TxD0
5-H
P25/ASCK0
8-C
P30, P31
13-Q
Input/output
Independently connect to V
DD0
via a resistor .
P32/SDA0
13-R
P33/SCL0
P34
8-C
Independently connect to V
DD0
or V
SS0
via a resistor .
P35
5-H
P36
8-C
P40/AD0 to P47/AD7
5-H
Input/output
Independently connect to V
DD0
via a resistor.
P50/A8 to P57/A15
Input/output
Independently connect to V
DD0
or V
SS0
via a resistor.
P64/RD
Input/output
P65/WR
P66/WAIT
P67/ASTB
P70/TI00/TO0
8-C
P71/TI01
P72/TI50/TO50
P73/TI51/TO51
P74/PCL
5-H
P75/BUZ
RESET
2
Input
XT1
16
Connect to V
DD0
.
XT2
Leave open.
AV
DD
Connect to V
DD0
.
AV
REF
Connect to V
SS0
.
AV
SS
IC
Connect directly to V
SS0
or V
SS1
.
相關PDF資料
PDF描述
μPD780032Y 8 Bit Single Chip Microcontrollers
μPD780033Y 8 Bit Single Chip Microcontrollers
μPD780034Y 8 Bit Single Chip Microcontrollers
μPD780031 8 Bit Single Chip Microcontrollers(8位單片微控制器)
μPD780032 8 Bit Single Chip Microcontrollers(8位單片微控制器)
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