LPC47M192 datasheet(210/228 Pages) SMSC

210 / 228 page

SMSC DS – LPC47M192

Page 210

Rev. 03/30/05

DATASHEET

DATA

IRRX

n IRRX

Pa rame ter

min

ty p

m ax

units

1.4

2.71

3.69

5.53

11.07

22.13

44.27

88.55

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

8.68

17.4

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 of 1.41µs.

2. IR RX: L5, CRF1 Bit 0 = 1

nIRRX: L5, CRF1 Bi t 0 = 0 (defaul t)

FIGURE 31 - IRDA RECEIVE TIMING

LPC47M192 Datasheet(PDF) 210 Page - SMSC Corporation

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