h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 444

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

Section 15 Serial Communication Interface (SCI, IrDA)
15.1.3
Table 15.1 shows the serial pins used by the SCI.
Table 15.1 SCI Pins
Channel
0
1
2
Note:
15.1.4
The SCI has the internal registers shown in table 15.2. These registers are used to specify
asynchronous mode or synchronous mode, the data format, and the bit rate, and to control the
transmitter/receiver.
Rev. 4.00 Jun 06, 2006 page 390 of 1004
REJ09B0301-0400
* The abbreviations SCK, RxD, and TxD are used in the text, omitting the channel
Pin Configuration
Register Configuration
number.
Pin Name
Serial clock pin 0
Receive data pin 0
Transmit data pin 0
Serial clock pin 1
Receive data pin 1
Transmit data pin 1
Serial clock pin 2
Receive data pin 2
Transmit data pin 2
Symbol *
SCK0
RxD0
TxD0
SCK1
RxD1
TxD1
SCK2
RxD2/IrRxD
TxD2/IrTxD
I/O
I/O
Input
Output
I/O
Input
Output
I/O
Input
Output
Function
SCI0 clock input/output
SCI0 receive data input
SCI0 transmit data output
SCI1 clock input/output
SCI1 receive data input
SCI1 transmit data output
SCI2 clock input/output
SCI2 receive data input
(normal/IrDA)
SCI2 transmit data output
(normal/IrDA)