Hitachi F-ZTAT H8/3039 Series Hardware Manual page 175

Table 7-14 Port 9 Pin Functions
Pin Pin Functions and Selection Method
P9 /SCK / Bit C/A in SMR of SCI1, bits CKE0 and CKE1 in SCR of SCI1, and bit P9
5 1
select the pin function as follows
IRQ
5
CKE1
C/A
CKE0
P9 DDR
5
Pi n funct i on
P9 /SCK / Bit C/A in SMR of SCI0, bits CKE0 and CKE1 in SCR of SCI, and bit P9
4 0
the pin function as follows
IRQ
4
CKE1
C/A
CKE0
P9 DDR
4
Pi n funct i on
P9 /RxD Bit RE in SCR of SCI1 and bit P9
3 1
RE
P9 DDR
3
Pi n funct i on
P9 /RxD Bit RE in SCR of SCI
2 0
follows
SMIF
RE
P9 DDR
2
Pi n funct i on
164
0
0
0 1
P9 P9 SCK
5 5
input output
0
0
0 1
P9 P9 SCK
4 4
input output
DDR select the pin function as follows
3
0
0
P9 input P9
3
, bit SMIF in SCMR, and bit P9
0
0
0 1
P9 input P9 output
2 2
0
1
1 —
— —
output SCK
1 1
IRQ
input
5
0
1
1 —
— —
output SCK
0 0
IRQ
input
4
1
output
3
DDR select the pin function as
2
0
1
—
RxD input
0
DDR
5
1
—
—
—
output SCK input
1
DDR select
4
1
—
—
—
output SCK input
0
1
—
RxD input
1
1
—
—
RxD input
0