FDC37N769_07 SMSC [SMSC Corporation], FDC37N769_07 Datasheet - Page 122

• Manufacturer Part Number: FDC37N769_07
• Description: 3.3V Super I/O Controller with Infrared Support for Portable Applications
• Manufacturer: SMSC [SMSC Corporation]

SMSC DS – FDC37N769
Notes:
1. Receive Pulse Detection Criteria: A received pulse is considered detected if the
2. IRRX: CRC Bit 0: 1 = RCV active low
DATA
nIRRX
IRRX
t1
t1
t1
t1
t1
t1
t1
t2
t2
t2
t2
t2
t2
t2
received pulse is a minimum of 1.41µs.
nIRRX: CRC Bit 0: 0 = RCV active high (default)
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
0
t1
t2
1
t2
Parameter
FIGURE 10 - IRDA SIR RECEIVE TIMING
t1
0
DATASHEET
1
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0
0
min
1.4
1.4
1.4
1.4
1.4
1.4
1.4
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
1
units
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
1
Rev. 02-16-07