參數(shù)資料
型號(hào): UPD784218GC
廠商: NEC Corp.
英文描述: Connector assemblies, Network cables;
中文描述: 16-/8-bit的單晶片微控制器
文件頁(yè)數(shù): 18/92頁(yè)
文件大?。?/td> 617K
代理商: UPD784218GC
μ
PD784218, 784218Y
Data Sheet U12304EJ2V0DS00
18
6.3 Pin I/O Circuits and Recommended Connections of Unused Pins
The input/output circuit type of each pin and recommended connections of unused pins are shown in Table 6-
1.
For the input/output circuit configuration of each type, refer to Figure 6-1.
Table 6-1. Type of Pin Input/Output Circuits and Recommended Connections of Unused Pins (1/2)
Pin Name
I/O Circuit Type
I/O
Recommended Connections of Unused Pins
P00/INTP0
8-N
I/O
Input:
Output: Leave open
Independently connect to V
SS
via a resistor
P01/INTP1
P02/INTP2/NMI
P03/INTP3 to P06/INTP6
P10/ANI0 to P17/ANI7
9
Input
Connect to V
SS
or V
DD
P20/RxD1/SI1
10-K
I/O
Input:
Independently connect to V
SS
via a resistor
P21/TxD1/SO1
10-L
Output: Leave open
P22/ASCK1/SCK1
10-K
P23/PCL
10-L
P24/BUZ
P25/SDA0
Note
/SI0
10-K
P26/SO0
10-L
P27/SCL0
Note
/SCK0
10-K
P30/TO0 to P32/TO2
12-E
P33/TI1, P34/TI2
8-N
P35/TI00, P36/TI01
10-M
P37/EXA
12-E
P40/AD0 to P47/AD7
5-A
P50/A8 to P57/A15
P60/A16 to P63/A19
P64/RD
P65/WR
P66/WAIT
P67/ASTB
P70/RxD2/SI2
8-N
P71/TxD2/SO2
10-M
P72/ASCK2/SCK2
8-N
P80/A0 to P87/A7
12-E
P90 to P95
13-D
P100/TI5/TO5
8-N
P101/TI6/TO6
P102/TI7/TO7
P103/TI8/TO8
P120/RTP0 to P127/RTP7
12-E
Note
SDA0 and SCL0 are incorporated only in the
μ
PD784218Y.
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