
CHAPTER
4
P
O
RT
FU
NCTI
O
NS
194
User’s
Manual
U1
7790EJ2V0UD
Table 4-19. Using Port Pin as Alternate-Function Pin (7/9)
Alternate Function
Pin Name
Name
I/O
Pnx Bit of
Pn Register
PMnx Bit of
PMn Register
PMCnx Bit of
PMCn Register
PFCEnx Bit of
PFCEn Register
PFCnx Bit of
PFCn Register
Other Bits
(Registers)
A6
Output
P96 = Setting not required
PM96 = Setting not required
PMC96 = 1
PFCE96 = 0
PFC96 = 0
Note
TIP21
Input
P96 = Setting not required
PM96 = Setting not required
PMC96 = 1
PFCE96 = 1
PFC96 = 0
P96
TOP21
Output
P96 = Setting not required
PM96 = Setting not required
PMC96 = 1
PFCE96 = 1
PFC96 = 1
A7
Output
P97 = Setting not required
PM97 = Setting not required
PMC97 = 1
PFCE97 = 0
PFC97 = 0
Note
SIB1
Input
P97 = Setting not required
PM97 = Setting not required
PMC97 = 1
PFCE97 = 0
PFC97 = 1
TIP20
Input
P97 = Setting not required
PM97 = Setting not required
PMC97 = 1
PFCE97 = 1
PFC97 = 0
P97
TOP20
Output
P97 = Setting not required
PM97 = Setting not required
PMC97 = 1
PFCE97 = 1
PFC97 = 1
A8
Output
P98 = Setting not required
PM98 = Setting not required
PMC98 = 1
PFC98 = 0
Note
P98
SOB1
Output
P98 = Setting not required
PM98 = Setting not required
PMC98 = 1
PFC98 = 1
A9
Output
P99 = Setting not required
PM99 = Setting not required
PMC99 = 1
PFC99 = 0
Note
P99
SCKB1
I/O
P99 = Setting not required
PM99 = Setting not required
PMC99 = 1
PFC99 = 1
A10
Output
P910 = Setting not required
PM910 = Setting not required
PMC910 = 1
PFC910 = 0
Note
P910
SIB3
Input
P910 = Setting not required
PM910 = Setting not required
PMC910 = 1
PFC910 = 1
A11
Output
P911 = Setting not required
PM911 = Setting not required
PMC911 = 1
PFC911 = 0
Note
P911
SOB3
Output
P911 = Setting not required
PM911 = Setting not required
PMC911 = 1
PFC911 = 1
A12
Output
P912 = Setting not required
PM912 = Setting not required
PMC912 = 1
PFC912 = 0
Note
P912
SCKB3
I/O
P912 = Setting not required
PM912 = Setting not required
PMC912 = 1
PFC912 = 1
A13
Output
P913 = Setting not required
PM913 = Setting not required
PMC913 = 1
PFC913 = 0
Note
P913
INTP4
Input
P913 = Setting not required
PM913 = Setting not required
PMC913 = 1
PFC913 = 1
Note
When setting pins A0 to A15 as the alternate function, set the PMC9 register to FFFFH for all 16 bits at once.