FDC37M60X SMSC Corporation, FDC37M60X Datasheet - Page 176

• Manufacturer Part Number: FDC37M60X
• Description: ENHANCED SUPER I/O CONTROLLER WITH INFRARED SUPPORT
• Manufacturer: SMSC Corporation

n IRTX
DATA
IRTX
Notes:
1. IrDA @ 115k is HPSIR compatible. IrDA @ 2400 will allow compatibility with HP95LX
2. IRTX:
t1
t1
t1
t1
t1
t1
t1
t2
t2
t2
t2
t2
t2
t2
and 48SX.
nIRTX: L5, CRF1 Bit 1: 0 = XMIT active high
Pulse W idth at 115kbaud
Pulse W idth at 57.6kbaud
Pulse W idth at 38.4kbaud
Pulse W idth at 19.2kbaud
Pulse W idth at 9.6kbaud
Pulse W idth at 4.8kbaud
Pulse W idth at 2.4kbaud
Bit Time at 115kbaud
Bit Time at 57.6kbaud
Bit Time at 38.4kbaud
Bit Time at 19.2kbaud
Bit Time at 9.6kbaud
Bit Time at 4.8kbaud
Bit Time at 2.4kbaud
0
t1
t2
L5, CRF1 Bit 1: 1 = XMIT active low (default)
1
t2
Parameter
FIGURE 20 - IrDA TRANSMIT TIMING
t1
0
1
0
176
0
min
1.41
1.41
1.41
1.41
1.41
1.41
1.41
1
3.22
19.5
8.68
17.4
104
208
416
typ
1.6
4.8
9.7
39
78
26
52
1
max
11.07
22.13
44.27
88.55
2.71
3.69
5.53
0
units
1
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
1