FDC37B72X_07 SMSC [SMSC Corporation], FDC37B72X_07 Datasheet - Page 233

• Manufacturer Part Number: FDC37B72X_07
• Description: 128 Pin Enhanced Super I/O Controller with ACPI Support
• Manufacturer: SMSC [SMSC Corporation]

IRDA SIR TRANSMIT
n IRT X
DAT A
IRT X
0
t1
Notes:
1. IrDA @ 115k i s HPSIR com pati ble. IrDA @ 2400 wi ll al low compatibilit y with HP95LX
2. IRT X:
t2
t1
t1
t1
t1
t1
t1
t1
t2
t2
t2
t2
t2
t2
t2
nI RT X: L5, CRF1 Bit 1 = 0
and 48SX.
Pulse Width at 115kbaud
Pulse Widt h at 57. 6kbaud
Pulse Widt h at 38. 4kbaud
Pulse Widt h at 19. 2kbaud
Pulse Widt h at 9. 6kbaud
Pulse Widt h at 4. 8kbaud
Pulse Widt h at 2. 4kbaud
Bit T ime at 115kbaud
Bit Time at 57.6kbaud
Bit Time at 38.4kbaud
Bit Time at 19.2kbaud
Bit Tim e at 9.6kbaud
Bit Tim e at 4.8kbaud
Bit Tim e at 2.4kbaud
1
t2
L5, CRF 1 Bit 1 = 1 (default)
FIGURE 32 - IRDA SIR TRANSMIT TIMING
t1
0
Parameter
1
0
234
mi n
1.41
1.41
1.41
1.41
1.41
1.41
1.41
0
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
1
0
u nits
µ s
µ s
µ s
µ s
µ s
µ s
µ s
µ s
µ s
µ s
µ s
µ s
µ s
µ s
1
1