FDC37B80X View Datasheet(PDF) - SMSC -> Microchip

Part Name

Description

Manufacturer

FDC37B80X

PC98/99 compliant enhanced super I/O controller with Keyboard / Mouse Wake-Up / 5 Volt Operation

SMSC -> Microchip 

DATA

0

1

0

1

0

IRRX

t1

t2

n IRRX

MIRRX

t3 t4

nMIRRX

t5 t6

0

1

1

0

1

1

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. IRRX: L5, CRF1 Bit 0: 1 = RCV active low

nIRRX: L5, CRF1 Bit 0: 0 = RCV active high (default)

MIRRX, nMIRRX are the modulated outputs

FIGURE 21 - AMPLITUDE SHIFT KEYED IR RECEIVE TIMING

190

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