CIRCC View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

View to exact match

CIRCC

Consumer Infrared Communications Controller

SMSC -> Microchip 

DATA

0

1

0

1

0

0

11

0

11

IRTX

t1 t2

nIRTX

MIRTX

t3 t4

nMIRTX

t5 t6

FIGURE 10 - AMPLITUDE SHIFT KEYED IR TRANSMIT TIMING

PARAMETER

t1 Modulated Output Bit Time

t2 Off Bit Time

t3 Modulated Output “On”

t4 Modulated Output “Off”

t5 Modulated Output “On”

t6 Modulated Output “Off”

Notes:

1. IRTX: Tx Polarity bit = 1 (default)

nIRTX: Tx Polarity bit = 0

MIRTX, nMIRTX are the modulated outputs.

MIN TYP MAX UNITS

µs

µs

0.8

1

1.2

µs

0.8

1

1.2

µs

0.8

1

1.2

µs

0.8

1

1.2

µs

20

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