h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 317

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Pin
PA2/A18/RxD2
PA1/A17/TxD2
Selection Method and Pin Functions
The pin function is switched as shown below according to the operating mode,
bits AE3 to AE0 in PFCR, bit RE in SCR of SCI2, and bit PA2DDR.
The pin function is switched as shown below according to the operating mode,
bits AE3 to AE0 in PFCR, bit TE in SCR of SCI2, and bit PA1DDR.
Operating mode
AE3 to AE0
RE
PA2DDR
Pin function
Operating mode
RE
PA2DDR
Pin function
Operating mode
AE3 to AE0
TE
PA1DDR
Pin function
Operating mode
TE
PA1DDR
Pin function
PA2 input
PA1 input
PA2 input
PA1 input
0
0
0
0
B'0000 to B'1011
B'0000 to B'1001
0
0
PA2 output
PA1 output
Rev. 6.00 Feb 22, 2005 page 257 of 1484
0
0
1
1
Modes 4 to 6
Modes 4 to 6
PA2 output
PA1 output
Mode 7
Mode 7
TxD2 output
1
1
RxD2 input
—
—
1
1
Section 9 I/O Ports
REJ09B0103-0600
B'1011 to B'1111
B'1010 to B'1111
TxD2 output
RxD2 input
A18 output
A17 output
—
—
1
1
—
—
—
—