HD6433045 HITACHI [Hitachi Semiconductor], HD6433045 Datasheet - Page 287

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HD6433045

Manufacturer Part Number
HD6433045
Description
Hitachi Single-Chip Microcomputer
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet

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Table 9-17 Port 9 Pin Functions
Pin
P9
P9
P9
P9
5
4
3
2
/SCK
/SCK
/RxD
/RxD
1
0
1
0
/IRQ
/IRQ
5
4
Pin Functions and Selection Method
Bit C/A in SMR of SCI1, bits CKE0 and CKE1 in SCR of SCI1, and bit P9
select the pin function as follows
Bit C/A in SMR of SCI0, bits CKE0 and CKE1 in SCR of SCI0, and bit P9
select the pin function as follows
Bit RE in SCR of SCI1 and bit P9
Bit RE in SCR of SCI0, bit SMIF in SCMR, and bit P9
function as follows
CKE1
C/A
CKE0
P9
Pin function
CKE1
C/A
CKE0
P9
Pin function
RE
P9
Pin function
SMIF
RE
P9
Pin function
5
4
3
2
DDR
DDR
DDR
DDR
input output
input output
P9
P9
P9
P9
0
0
5
4
3
2
0
0
0
0
input
input
P9
P9
274
1
1
5
4
0
0
0
0
3
SCK
SCK
DDR select the pin function as follows
P9
P9
3
2
1
0
output
output
0
1
0
1
1
0
1
output
output
IRQ
IRQ
5
4
input
input
SCK
SCK
RxD
2
1
0
DDR select the pin
0
1
1
1
output
output
input
RxD
1
1
input
SCK
SCK
RxD
0
1
0
1
1
1
input
input
input
5
4
DDR
DDR

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