參數(shù)資料
型號: μPD789217Y
廠商: NEC Corp.
英文描述: 8 Bit Single Chip Microcontrollers(8 位單片微控制器)
中文描述: 8位單片機微控制器(8位單片微控制器)
文件頁數(shù): 29/144頁
文件大?。?/td> 632K
代理商: ΜPD789217Y
Preliminary Product Information
29
μ
PD789216Y, 789217Y
Table 6-3. Port Mode Register and Output Latch Settings for Using Secondary Functions
Secondary function
Pin name
Name
Input/output
PM
××
P
××
P23
SCL0
Input/output
0
0
P24
SDA0
Input/output
0
0
P25
TI80
Input
1
×
P26
TO80
Output
0
0
P30
INTP0
Input
1
×
TI81
Input
1
×
CPT90
Input
1
×
P31
INTP1
Input
1
×
TO81
Output
0
0
P32
INTP2
Input
1
×
TO90
Output
0
0
P33
INTP3
Input
1
×
TO82
Output
0
0
BZO90
Output
0
0
P60-P67
ANI0-ANI7
Input
1
×
Caution
When port 2 is being used as a serial interface, it is necessary to specify whether the port is an
input or output port, and to set the output latch accordingly. See Table 6-13 for an explanation
of how to make this specification.
Remark
×
PM
××
: Port mode register
P
××
: Port output latch
: Don’t care
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