參數(shù)資料
型號: μPD789407
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(jī)微控制器(8位單片微控制器)
文件頁數(shù): 28/128頁
文件大?。?/td> 607K
代理商: ΜPD789407
28
μ
PD789405, 789406, 789407
Table 5-3. Port Mode Register and Output Latch Settings for Using Secondary Functions
Secondary function
Name
Input/output
P23
CMPTOUT0
Output
0
0
TO2
Output
0
0
P24
INTP0
Input
1
×
TI0
Input
1
×
P25
INTP1
Input
1
×
TI1
Input
1
×
P26
INTP2
Input
1
×
TO5
Output
0
0
P27
INTP3
Input
1
×
CPT5
Input
1
×
P40-P45
Note
KR0-KR5
Input
1
×
P60
ANI0
Input
1
×
CMPIN0
Input
1
×
P61
ANI1
Input
1
×
CMPREF0
Input
1
×
P62-P66
ANI2-ANI6
Input
1
×
P80-P87
S27-S20
Output
0
0
P90-P93
S19-S16
Output
0
0
Note
To use the secondary functions, set the key return mode register (KRM) to 1.
(See
(6)
in
Section 6.3
.)
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 5-13 for an explanation
of how to make this specification.
Remark
×
PM
××
: Port mode register
P
××
: Port output latch
: Don’t care
P
××
PM
××
Pin name
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