HD64F2168 Datasheet, PDF (415/874 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

14.3.10 Serial Interface Control Register (SCICR)
SCICR controls IrDA operation of SCI_1.
Bit Bit Name Initial Value R/W Description
7
IrE
0
R/W IrDA Enable
Specifies SCI_1 I/O pins for either normal SCI or IrDA.
0: TxD1/IrTxD and RxD1/IrRxD pins function as TxD1
and RxD1 pins, respectively
1: TxD1/IrTxD and RxD1/IrRxD pins function as IrTxD
and IrRxD pins, respectively
6
IrCKS2 0
5
IrCKS1 0
4
IrCKS0 0
R/W IrDA Clock Select 2 to 0
R/W _{These bits specify the high-level width of the clock}
R/W _{pulse during IrTxD output pulse encoding when the}
IrDA function is enabled.
000: B x 3/16 (three sixteenths of the bit rate)
001: φ/2
010: φ/4
011: φ/8
100: φ/16
101: φ/32
110: φ/64
111: φ/128
3, 2 
All 0
R/W Reserved
The initial value should no be changed.
1, 0 
All 0
R Reserved
These bits are always read as 0 and cannot be
modified.
Rev. 3.00, 03/04, page 375 of 830