SH7101 Datasheet, PDF (313/486 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

10. Serial Communication Interface (SCI)
10.2 Input/Output Pins
Table 10.1 shows the SCI pin configuration.
Table 10.1 Pin Configuration
Channel
Pin Name*
I/O
Function
2
SCK2
I/O
SCI2 clock input/output
RxD2
Input
SCI2 receive data input
TxD2
Output
SCI2 transmit data output
3
SCK3
I/O
SCI3 clock input/output
RxD3
Input
SCI3 receive data input
TxD3
Output
SCI3 transmit data output
Note: * Pin names SCK, RxD, and TxD are used in the text for all channels, omitting the
channel designation.
10.3 Register Descriptions
The SCI has the following registers for each channel. For details on register addresses and register
states during each processing, refer to section 18, List of Registers.
Channel 2
• Serial Mode Register_2 (SMR_2)
• Bit Rate Register_2 (BRR_2)
• Serial Control Register_2 (SCR_2)
• Transmit Data Register_2 (TDR_2)
• Serial Status Register_2 (SSR_2)
• Receive Data Register_2 (RDR_2)
• Serial Direction Control Register_2 (SDCR_2)
Channel 3
• Serial Mode Register_3 (SMR_3)
• Bit Rate Register_3 (BRR_3)
• Serial Control Register_3 (SCR_3)
• Transmit Data Register_3 (TDR_3)
• Serial Status Register_3 (SSR_3)
Rev.2.00 Sep. 27, 2007 Page 279 of 448
REJ09B0394-0200