FDC37C672 View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

Manufacturer

FDC37C672

Enhanced Super I/O Controller with Fast IR

SMSC -> Microchip 

Enhanced Super I/O Controller with Fast IR

Datasheet

DATA

0

1

0

1

0

0

1

1

0

1

1

IRTX

n

t1

t2

MIRTX

nMIRTX

t3 t4

t5 t6

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"

min

typ

max

units

0.8

1

0.8

1

0.8

1

0.8

1

µs

µs

1.2

µs

1.2

µs

1.2

µs

1.2

µs

Notes:

1. IRTX: L5, CRF1 Bit 1: 1 = XMIT active low (default)

nIRTX: L5, CRF1 Bit 1: 0 = XMIT active high

MIRTX, nMIRTX are the modulated outputs

Figure 22.7 - Amplitude Shift Keyed IR Transmit Timing

SMSC FDC37C672

Page 171

DATASHEET

Rev. 10-29-03

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