Datasheet

Section 14 Serial Communication Interface (SCI, IrDA)
Rev.6.00 Mar. 18, 2009 Page 573 of 980
REJ09B0050-0600
14.3.10 IrDA Control Register (IrCR)
IrCR selects the function of SCI_0.
Bit Bit Name Initial Value R/W Description
7 IrE 0 R/W IrDA Enable
Specifies normal SCI mode or IrDA mode for
SCI_0 input/output.
0: Pins TxD0/IrTxD and RxD0/IrRxD function as
TxD0 and RxD0
1: Pins TxD0/IrTxD and RxD0/IrRxD function as
IrTxD and IrRxD
6
5
4
IrCKS2
IrCKS1
IrCKS0
0
0
0
R/W
R/W
R/W
IrDA Clock Select 2 to 0
Specifies the high pulse width in IrTxD output
pulse encoding when the IrDA function is enabled.
000: Pulse width = B × 3/16 (3/16 of bit rate)
001: Pulse width = φ/2
010: Pulse width = φ/4
011: Pulse width = φ/8
100: Pulse width = φ/16
101: Pulse width = φ/32
110: Pulse width = φ/64
111: Pulse width = φ/128
3
to
0
— All 0 Reserved
These bits are always read as 0 and cannot be
modified.