CHAPTER 14 PORT FUNCTION
User’s Manual U13850EJ6V0UD
512
Table 14-12. Setting When Port Pin Is Used as Alternate Function (2/4)
Alternate Function
Pin Name
Function Name
I/O
PMnx Bit of
PMn Register
Pnx Bit of
Pn Register
Other Bits
(Register)
SI2
Input
PM20 = 1
Setting not needed
for P20
P20
SDA1
Note
I/O
PM20 = 0
P20 = 0
PF20 = 1
P21
SO2
Output
PM21 = 0
P21 = 0
Input
PM22 = 1
Setting not needed
for P22
SCK2
Output
P22
SCL1
Note
I/O
PM22 = 0
P22 = 0
PF22 = 1
SI3
Input
P23
RXD1
Input
PM23 = 1
Setting not needed
for P23
SO3
Output
P24
TXD1
Output
PM24 = 0
P24 = 0
Input
PM25 = 1
Setting not needed
for P25
SCK3
Output
PM25 = 0
P25 = 0
P25
ASCK1
Input
PM25 = 1
Setting not needed
for P25
TI2
Input
PM26 = 1
Setting not needed
for P26
P26
TO2
Output
PM26 = 0
P26 = 0
TI3
Input
PM27 = 1
Setting not needed
for P27
P27
TO3
Output
PM27 = 0
P27 = 0
P30
TI00
Input
PM30 = 1
Setting not needed
for P30
P31
TI01
Input
PM31 = 1
Setting not needed
for P31
TI10
Input
P32
SI4
Input
PM32 = 1
Setting not needed
for P32
TI11
Input
PM33 = 1
Setting not needed
for P33
P33
SO4
Output
PM33 = 0
P33 = 0
TO0
Output
A13
Output
PM34 = 0
P34 = 0
Refer to
3.4.6 (2)
(MAM)
Input
PM34 = 1
Setting not needed
for P34
P34
SCK4
Output
PM34 = 0
P34 = 0
Note
Available only in the Y versions (products with on-chip I
2
C)
Содержание V850/SB1
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