參數(shù)資料
型號: μPD78P064
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): 18/70頁
文件大?。?/td> 473K
代理商: ΜPD78P064
18
m
PD78P064
2.3
PIN INPUT/OUTPUT CIRCUITS AND RECOMMENDED CONNECTION OF UNUSED PINS
Types of input/output circuits of the pins and recommended 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
Input/Output
Circuit Type
Recommended Connection
When not Used
Pin Name
I/O
P00/INTP0/TI00
2
Input
Connect to V
SS
.
P01/INTP1/TI01
8-A
I/O
Individually connect to V
SS
via a resistor
P02/INTP2
P03/INTP3
P04/INTP4
P05/INTP5
P07/XT1
16
Input
Connect to V
DD
.
P10/ANI0 to P17/ANI7
11
I/O
Individually connect to V
DD
or V
SS
via a resistor
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
P70/SI2/RxD
8-A
P71/SO2/TxD
5-A
P72/SCK2/ASCK
8-A
P80/S39 to P87/S32
17-A
P90/S31 to P97/S24
P100 to P103
5-A
P110 to P117
8-A
Individually connect to V
DD
via resistor
S0 to S23
17
Output
Leave open
COM0 to COM3
18
V
LC0
to V
LC2
BIAS
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
PP
Connect directly to V
SS
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