Renesas SH7781 - Manual (Page 1157)

22. Serial I/O with FIFO (SIOF)
Rev.1.00 Jan. 10, 2008 Page 1127 of 1658
REJ09B0261-0100
Bit Bit Name
Initial
Value R/W Description
3 to 0 CD1A[3:0] 0000 R/W Control Channel 1 Data Assigns 3 to 0
These bits specify the position of control channel 1 data
in a receive or transmit frame as B'0000 (0) to B'1110
(14).
1111: Setting prohibited
• Transmit data for the control channel 1 data is
specified in the SITD1 bit in SITCR.
• Receive data for the control channel 1 data is stored
in the SIRD1 bit in SIRCR.