Epson S1C17624 Technical Manual page 198

This clock must be selected as a clock faster than sclk16.
The demodulator circuit treats Low pulses with a width of at least 2 IrDA receive detection clock cycles
as valid. Select an appropriate clock to enable detection of input pulses with a minimum width of 1.41 µs.
D[3:1] Reserved
D0 iRMD: irDa Mode Select Bit
Switches the IrDA interface function on and off.
1 (R/W): On
0 (R/W): Off (default)
Set IRMD to 1 to use the IrDA interface. When IRMD is set to 0, this module functions as a normal
UART, with no IrDA functions.
S1C17624/604/622/602/621 TeChniCal Manual
Seiko epson Corporation
18 uaRT
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