LPC47M112 SMSC Corporation, LPC47M112 Datasheet - Page 197

• Manufacturer Part Number: LPC47M112
• Description: ENHANCED SUPER I/O CONTROLLER WITH LPC INTERFACE
• Manufacturer: SMSC Corporation

Enhanced Super I/O Controller with LPC Interface
Datasheet
SMSC DS – LPC47M112
n IRT X
DAT A
IRT X
0
t1
Notes:
1. IrDA @ 115k i s HPSIR compati ble. IrDA @ 2400 wi ll al low compatibility with HP95LX
2. IRT X:
t2
t1
t1
t1
t1
t1
t1
t1
t2
t2
t2
t2
t2
t2
t2
nIRT X: L5, CRF1 Bit 1 = 0
and 48SX.
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 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)
t1
0
FIGURE 26 - IRDA TRANSMIT TIMING
Parameter
1
0
Page 197
min
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
Rev. 02/02/2005