Table 7.17 Port 9 Pin Functions - Hitachi H8/3062 Hardware Manual

Table 7.17 Port 9 Pin Functions

Pin
P9 /SCK /IRQ
5 1 5
P9 /SCK /IRQ
4 0 4
P9 /RxD
3 1
P9 /RxD
2 0
198
Pin Functions and Selection Method
Bit C/A in SMR of SCI1, bits CKE0 and CKE1 in SCR, and bit P9
select the pin function as follows.
CKE1
C/A
CKE0
P9 DDR
5
Pin function
input
Bit C/A in SMR of SCI0, bits CKE0 and CKE1 in SCR, and bit P9
select the pin function as follows.
CKE1
C/A
CKE0
P9 DDR
4
Pin function
input
Bit RE in SCR of SCI1, bit SMIF in SCMR, and bit P9
function as follows.
SMIF
RE
P9 DDR
3
Pin function P9
Bit RE in SCR of SCI0, bit SMIF in SCMR, and bit P9
function as follows.
SMIF
RE
P9 DDR
2
Pin function P9
0
0
0
0 1
P9 P9
5 5
output
IRQ
0
0
0
0 1
P9 P9
4 4
output
IRQ
0
0
0 1
input P9 output
3 3
0
0
0 1
input P9 output
2 2
1
1 —
— —
SCK SCK
1 1
output output
input
5
1
1 —
— —
SCK SCK
0 0
output output
input
4
DDR select the pin
3
1
—
RxD input RxD
1
DDR select the pin
2
1
—
RxD input RxD
0
DDR
5
1
—
—
—
SCK
1
input
DDR
4
1
—
—
—
SCK
0
input
1
—
—
input
1
1
—
—
input
0