HD6413003RVF RENESAS [Renesas Technology Corp], HD6413003RVF Datasheet - Page 277

• Manufacturer Part Number: HD6413003RVF
• Description: microcontroller (MCU)
• Manufacturer: RENESAS [Renesas Technology Corp]

9.7.3 Pin Functions
The port 9 pins are also used for SCI0 and SCI1 input and output (TxD
RxD
Table 9-12 Port 9 Pin Functions
Pin
P9
P9
5
4
/SCK
/SCK
1
, SCK
1
0
/IRQ
/IRQ
1
), and for 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
CKE1
C/A
CKE0
P9
Pin function
CKE1
C/A
CKE0
P9
Pin function
5
4
DDR
DDR
5
and IRQ
4
input. Table 9-12 describes the selection of pin functions.
input output
input output
P9
P9
0
0
5
4
0
0
P9
P9
259
1
1
5
4
0
0
SCK
SCK
1
0
—
—
0
1
0
1
output
output
IRQ
IRQ
5
4
input
input
SCK
SCK
0
, RxD
1
0
—
—
—
—
1
1
output
output
0
, SCK
SCK
SCK
0
, TxD
—
—
—
—
—
—
1
0
1
1
input
input
1
5
4
,
DDR
DDR