CIRCC Ver la hoja de datos (PDF) - SMSC -> Microchip

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Lista de partido

CIRCC

Consumer Infrared Communications Controller

SMSC -> Microchip 

DATA

0

1

0

1

0

0

1

1

0

1

1

t2

t1

t2

t1

IRRX

nIRRX

FIGURE 8 - IrDA SIR RECEIVE TIMING

PARAMETER

t1 Pulse Width at 115kbaud

t1 Pulse Width at 57.6kbaud

t1 Pulse Width at 38.4kbaud

t1 Pulse Width at 19.2kbaud

t1 Pulse Width at 9.6kbaud

t1 Pulse Width at 4.8kbaud

t1 Pulse Width at 2.4kbaud

t2 Bit Time at 115kbaud

t2 Bit Time at 57.6kbaud

t2 Bit Time at 38.4kbaud

t2 Bit Time at 19.2kbaud

t2 Bit Time at 9.6kbaud

t2 Bit Time at 4.8kbaud

t2 Bit Time at 2.4kbaud

MIN TYP MAX UNITS

1.4

1.6 2.71

µs

1.4 3.22 3.69

µs

1.4

4.8 5.53

µs

1.4

9.7 11.07

µs

1.4 19.5 22.13

µs

1.4

39 44.27

µs

1.4

78 88.5

µs

8.68

µs

17.4

µs

26

µs

52

µs

104

µs

208

µs

416

µs

Notes:

1. IrDA @ 115k is HPSIR compatible. IrDA @ 2400 will allow compatibility with HP95LX and 48SX.

2. IRRX: Rx Polarity bit = 1

nIRRX: Rx Polarity bit = 0 (default)

18

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