Справочник Пользователя для IBM uPD78082
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CHAPTER 4 PORT FUNCTIONS
Table 4-3. Port Mode Register and Output Latch Settings when Using Dual-Functions
P01 to P03
INTP1 to INTP3
Input
1
×
P10 to P17
Note
ANI0 to ANI7
Input
1
×
P35
PCL
Output
0
0
P36
BUZ
Output
0
0
P100
TI5
Input
1
×
TO5
Output
0
0
P101
TI6
Input
1
×
TO6
Output
0
0
Dual-functions
Name
P
××
PM
××
Input/Output
Pin Name
Note
If a read instruction is performed to these pins when they are used as an alternate function, read data is
to be undefined.
Caution When port 7 is used for serial interface, the I/O latch or output latch must be set according to
its function. For the setting methods, see Table 11-2 “Serial Interface Channel 2 Operating Mode
Settings.”
Remarks
×
: don’t care
PM
××
: port mode register
P
××
: port output latch