CIRCC datasheet(19/70 Pages) SMSC

Part #	CIRCC

Description	Consumer Infrared Communications Controller

PDF	70 Pages

Scroll/Zoom	100%

Manufacturer	SMSC [SMSC Corporation]

Direct Link	http://www.smsc.com

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19 / 70 page

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 considered detected if the received pulse is a

minimum of 1.41

µs

IRTX: Tx Polarity bit = 1 (default)

nIRTX: Tx Polarity bit = 0

DATA

IRTX

nIRTX

FIGURE 9 - IrDA SIR TRANSMIT TIMING

CIRCC Datasheet(PDF) 19 Page - SMSC Corporation

CIRCC Datasheet(HTML) 19 Page - SMSC Corporation

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