
CHAPTER
4
P
O
RT
FU
NCTI
O
NS
User’s
Manual
U1
7790EJ2V0UD
195
Table 4-19. Using Port Pin as Alternate-Function Pin (8/9)
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)
A14
Output
P914 = Setting not required
PM914 = Setting not required
PMC914 = 1
PFCE914 = 0
PFC914 = 0
Note
INTP5
Input
P914 = Setting not required
PM914 = Setting not required
PMC914 = 1
PFCE914 = 0
PFC914 = 1
TIP51
Input
P914 = Setting not required
PM914 = Setting not required
PMC914 = 1
PFCE914 = 1
PFC914 = 0
P914
TOP51
Output
P914 = Setting not required
PM914 = Setting not required
PMC914 = 1
PFCE914 = 1
PFC914 = 1
A15
Output
P915 = Setting not required
PM915 = Setting not required
PMC915 = 1
PFCE915 = 0
PFC915 = 0
Note
INTP6
Input
P915 = Setting not required
PM915 = Setting not required
PMC915 = 1
PFCE915 = 0
PFC915 = 1
TIP50
Input
P915 = Setting not required
PM915 = Setting not required
PMC915 = 1
PFCE915 = 1
PFC915 = 0
P915
TOP50
Output
P915 = Setting not required
PM915 = Setting not required
PMC915 = 1
PFCE915 = 1
PFC915 = 1
PCS0
CS0
Output
PCS0 = Setting not required
PMCS0 = Setting not required
PMCCS0 = 1
PCS1
CS1
Output
PCS1 = Setting not required
PMCS1 = Setting not required
PMCCS1 = 1
PCS2
CS2
Output
PCS2 = Setting not required
PMCS2 = Setting not required
PMCCS2 = 1
PCS3
CS3
Output
PCS3 = Setting not required
PMCS3 = Setting not required
PMCCS3 = 1
PCM0
WAIT
Input
PCM0 = Setting not required
PMCM0 = Setting not required
PMCCM0 = 1
PCM1
CLKOUT
Output
PCM1 = Setting not required
PMCM1 = Setting not required
PMCCM1 = 1
PCM2
HLDAK
Output
PCM2 = Setting not required
PMCM2 = Setting not required
PMCCM2 = 1
PCM3
HLDRQ
Input
PCM3 = Setting not required
PMCM3 = Setting not required
PMCCM3 = 1
PCT0
WR0
Output
PCT0 = Setting not required
PMCT0 = Setting not required
PMCCT0 = 1
PCT1
WR1
Output
PCT1 = Setting not required
PMCT1 = Setting not required
PMCCT1 = 1
PCT4
RD
Output
PCT4 = Setting not required
PMCT4 = Setting not required
PMCCT4 = 1
PCT6
ASTB
Output
PCT6 = Setting not required
PMCT6 = Setting not required
PMCCT6 = 1
Note
When setting pins A0 to A15 as the alternate function, set the PMC9 register to FFFFH for all 16 bits at once.