HD6413008VF25 Datasheet, PDF (205/688 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

7. I/O Ports
Table 7.10 Port 9 Pin Functions
Pin
P9 /SCK /IRQ
5
1
5
Pin Functions and Selection Method
Bit C/A in SMR of SCI1, bits CKE0 and CKE1 in SCR, and bit P9 DDR
5
select the pin function as follows.
CKE1
0
1
C/A
0
1
⎯
CKE0
0
1
⎯
⎯
P9 DDR
5
Pin function
0
P9
5
input
1
P9
5
output
⎯
SCK
1
output
⎯
SCK
1
output
⎯
SCK
1
input
IRQ
5
input
P9₄/SCK₀/IRQ₄
Bit C/A in SMR of SCI0, bits CKE0 and CKE1 in SCR, and bit P9₄DDR
select the pin function as follows.
CKE1
0
1
C/A
0
1
⎯
CKE0
0
1
⎯
⎯
P9₄DDR
Pin function
0
P9₄
input
1
P9₄
output
⎯
SCK₀
output
⎯
SCK₀
output
⎯
SCK₀
input
IRQ input
4
P9₃/RxD₁
Bit RE in SCR of SCI1, bit SMIF in SCMR, and bit P9₃DDR select the pin
function as follows.
SMIF
0
1
RE
0
1
⎯
P9₃DDR
Pin function
0
P9₃ input
1
P9₃ output
⎯
RxD₁ input
⎯
RxD₁ input
P9₂/RxD₀
Bit RE in SCR of SCI0, bit SMIF in SCMR, and bit P9₂DDR select the pin
function as follows.
SMIF
0
1
RE
0
1
⎯
P9₂DDR
Pin function
0
P9₂ input
1
P9₂ output
⎯
RxD₀ input
⎯
RxD₀ input
Rev.4.00 Aug. 20, 2007 Page 159 of 638
REJ09B0395-0400