HD6412240 RENESAS [Renesas Technology Corp], HD6412240 Datasheet - Page 275

• Manufacturer Part Number: HD6412240
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Pin
P3
P3
P3
P3
3
2
1
0
/RxD1
/RxD0
/TxD1
/TxD0
Selection Method and Pin Functions
The pin function is switched as shown below according to the combination of
bit RE in the SCI1 SCR, and bit P33DDR.
Note:
The pin function is switched as shown below according to the combination of
bit RE in the SCI0 SCR, and bit P32DDR.
Note:
The pin function is switched as shown below according to the combination of
bit TE in the SCI1 SCR, and bit P31DDR.
Note:
The pin function is switched as shown below according to the combination of
bit TE in the SCI0 SCR, and bit P30DDR.
Note:
RE
P33DDR
Pin function
RE
P32DDR
Pin function
TE
P31DDR
Pin function
TE
P30DDR
Pin function
* When P33ODR = 1, the pin becomes an NMOS open drain output.
* When P32ODR = 1, the pin becomes an NMOS open drain output.
* When P31ODR = 1, the pin becomes an NMOS open drain output.
* When P30ODR = 1, the pin becomes an NMOS open drain output.
P3
P3
P3
P3
3
2
1
0
input pin
input pin
input pin
input pin
0
0
0
0
0
0
0
0
Rev.3.00 Mar. 26, 2007 Page 233 of 772
P3
P3
P3
P3
3
2
1
0
output pin*
output pin*
output pin*
output pin*
1
1
1
1
Section 8 I/O Ports
TxD1 output pin*
TxD0 output pin*
REJ09B0355-0300
RxD1 input pin
RxD0 input pin
—
—
—
—
1
1
1
1