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TMP91C824
91C824-150
7
6
5
4
3
2
1
0
Bit symbol
PLSEL
RXSEL
TXEN
RXEN
SIRWD3
SIRWD2
SIRWD1
SIRWD0
Read/Write
R/W
After reset
0
0
0
0
0
0
0
0
Function
Select
transmit
pulse width
0: 3/16
1: 1/16
Receive
data
0: “H” pulse
1: “L” pulse
Transmit
0: disable
1: enable
Receive
0: disable
1: enable
Select receive pulse width
Set effective pulse width for equal or more than 2x
×
x
(value
+
1)
Can be set : 1 to 4
Can not be set : 0, 15
Select receive pulse width
Formula: Effective pulse width
≥
2x
×
x (value
+
1)
x = 1/fFPH
0000
Cannot be set
0001
Equal or more than 4x+100nS
to
1110
Equal or more than 30x+100nS
1111
Can not be set
Receive operation
0
Disabled
1
Enabled
Transmit operation
0
Disabled
1
Enabled
Select transmit pulse width
0
3/16
1
1/16
SIRCR
(0207H)
Figure 3.9.27 IrDA Control Register