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LPC47M14X Datasheet(PDF) 193 Page - SMSC Corporation

Part # LPC47M14X
Description  128 PIN ENGANCED SUPER I/O CONTROLLER WITH AN LPC INTERFACE AND USB HUB
PDF  205 Pages
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Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

LPC47M14X Datasheet(HTML) 193 Page - SMSC Corporation

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SMSC DS – LPC47M14X
Page 193
Rev. 03/19/2001
FIGURE 35 – IRDA RECEIVE TIMING
t1
t2
t2
t1
0
101
0
0
1
1
0
1
1
DATA
IRRX
n IRRX
t1
t1
t1
t1
t1
t1
t1
t2
t2
t2
t2
t2
t2
t2
Pa rame ter
min
ty p
m ax
units
1.4
1.4
1.4
1.4
1.4
1.4
1.4
2.71
3.69
5.53
11.07
22.13
44.27
88.55
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
Pulse Width at 1 15kba ud
Pul se Wid th at 57.6kba ud
Pul se Wid th at 38.4kba ud
Pul se Wid th at 19.2kba ud
Pu lse Wi dth a t 9.6kba ud
Pu lse Wi dth a t 4.8kba ud
Pu lse Wi dth a t 2.4kba ud
Bit Time at 1 15kba ud
Bit Time at 57.6kba ud
Bit Time at 38.4kba ud
Bit Time at 19.2kba ud
Bi t Ti me a t 9.6kba ud
Bi t Ti me a t 4.8kba ud
Bi t Ti me a t 2.4kba ud
1.6
3.22
4.8
9.7
19.5
39
78
8.68
17.4
26
52
104
208
416
No te s:
1. Recei ve Pu lse Detection C ri te ria: A re ceived p ulse is consi dered d etecte d if the
received pulse is a mini mum o f 1.41µs.
2. IR RX: L5, CRF1 Bit 0 = 1
nIRRX: L5, CRF1 Bi t 0 = 0 (defaul t)



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