HD64F2357F20V Datasheet, PDF (322/1049 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-chip Microcomputer H8S Family / H8S/2300 Series

Pin
P3₃/RxD1
P3₂/RxD0
P3₁/TxD1
P3₀/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.
RE
0
1
P33DDR
0
1
—
Pin function
P3₃ input pin
P3₃ output pin*
RxD1 input pin
Note: * When P33ODR = 1, the pin becomes an NMOS open-drain output.
The pin function is switched as shown below according to the combination of
bit RE in the SCI0 SCR, and bit P32DDR.
RE
0
1
P32DDR
0
1
—
Pin function
P3₂ input pin
P3₂ output pin*
RxD0 input pin
Note: * When P32ODR = 1, the pin becomes an NMOS open-drain output.
The pin function is switched as shown below according to the combination of
bit TE in the SCI1 SCR, and bit P31DDR.
TE
0
1
P31DDR
0
1
—
Pin function
P3₁ input pin
P3₁ output pin* TxD1 output pin*
Note: * When P31ODR = 1, the pin becomes an NMOS open-drain output.
The pin function is switched as shown below according to the combination of
bit TE in the SCI0 SCR, and bit P30DDR.
TE
0
1
P30DDR
0
1
—
Pin function
P3₀ input pin
P3₀ output pin* TxD0 output pin*
Note: * When P30ODR = 1, the pin becomes an NMOS open-drain output.
Rev.6.00 Oct.28.2004 page 292 of 1016
REJ09B0138-0600H