Datasheet

Section 17 Serial Communications Interface 3 (SCI3, IrDA)
Rev. 2.00 Jul. 04, 2007 Page 351 of 692
REJ09B0309-0200
17.2 Input/Output Pins
Table 17.2 shows the SCI3 pin configuration.
Table 17.2 Pin Configuration
Pin Name Abbreviation I/O Function
SCI3 clock SCK31,
SCK32,
SCK33
I/O SCI3 clock input/output
SCI3 receive data
input
RXD31,
RXD32,
RXD33
Input SCI3 receive data input
SCI3 transmit data
output
TXD31,
TXD32,
TXD33
Output SCI3 transmit data output
17.3 Register Descriptions
The SCI3 has the following registers for each channel.
• Receive shift register 3 (RSR3)*
• Receive data register 3 (RDR3)*
• Transmit shift register 3 (TSR3)*
• Transmit data register 3 (TDR3)*
• Serial mode register 3 (SMR3)*
• Serial control register 3 (SCR3)*
• Serial status register 3 (SSR3)*
• Bit rate register 3 (BRR3)*
• Serial port control register (SPCR)
• Serial port control register 2 (SPCR2)
• IrDA control register (IrCR)
• Serial extended mode register (SEMR)
Note: * These register names are abbreviated to RSR, RDR, TSR, TDR, SMR, SCR, SSR, and
BRR in the text.