IRCC datasheet(16/79 Pages) SMSC

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PARAMETER

MIN

TYP

MAX

UNITS

Pulse Width at 115kbaud

1.41

1.6

2.71

µs

Pulse Width at 57.6kbaud

1.41

3.22

3.69

µs

Pulse Width at 38.4kbaud

1.41

4.8

5.53

µs

Pulse Width at 19.2kbaud

1.41

9.7

11.07

µs

Pulse Width at 9.6kbaud

1.41

19.5

22.13

µs

Pulse Width at 4.8kbaud

1.41

44.27

µs

Pulse Width at 2.4kbaud

1.41

88.55

µs

Bit Time at 115kbaud

8.68

µs

Bit Time at 57.6kbaud

17.4

µs

Bit Time at 38.4kbaud

µs

Bit Time at 19.2kbaud

µs

Bit Time at 9.6kbaud

104

µs

Bit Time at 4.8kbaud

208

µs

Bit Time at 2.4kbaud

416

µs

NOTES:

Receive Pulse Detection Criteria: A received pulse is conidered detected if the received pulse is a

minimum of 1.41

µs

IRTX: CRC Bit 0: 1 = RCV active low

nIRTX: CRC Bit 0: 0 = RCV active high (default)

DATA

IRTX

nIRTX

FIGURE 8 - IrDA TRANSMIT TIMING

IRCC Datasheet(PDF) 16 Page - SMSC Corporation

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