FDC37N769_07 SMSC [SMSC Corporation], FDC37N769_07 Datasheet - Page 123
FDC37N769_07
Manufacturer Part Number
FDC37N769_07
Description
3.3V Super I/O Controller with Infrared Support for Portable Applications
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.FDC37N769_07.pdf
(137 pages)
- Current page: 123 of 137
- Download datasheet (670Kb)
SMSC DS – FDC37N769
DATA
nIRTX
Notes:
1. IrDA @ 115k is HPSIR compatible. IrDA @ 2400 will allow compatibility with HP95LX
2. IRTX: CRC Bit 1: 1 = XMIT active low (default)
IRTX
and 48SX.
nIRTX: CRC Bit 1: 0 = XMIT active high
t1
t1
t1
t1
t1
t1
t1
t2
t2
t2
t2
t2
t2
t2
Pulse Width at 115kbaud
Pulse Width at 57.6kbaud
Pulse Width at 38.4kbaud
Pulse Width at 19.2kbaud
Pulse Width at 9.6kbaud
Pulse Width at 4.8kbaud
Pulse Width 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
t1
t2
0
1
t2
Parameter
FIGURE 11 - IRDA SIR TRANSMIT TIMING
t1
0
DATASHEET
1
Page 123 of 137
0
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
Rev. 02-16-07
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