FDC37M60X 查看數據表（PDF） - SMSC -> Microchip

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产品描述 (功能)

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FDC37M60X

Enhanced Super I/O Controller with Infrared Support

SMSC -> Microchip 

DATA

0

1

0

1

0

0

1

1

0

1

1

t2

t1

IRTX

t2 t1

n IRTX

Parameter

t1 Pulse W idth at 115kbaud

t1 Pulse W idth at 57.6kbaud

t1 Pulse W idth at 38.4kbaud

t1 Pulse W idth at 19.2kbaud

t1 Pulse W idth at 9.6kbaud

t1 Pulse W idth at 4.8kbaud

t1 Pulse W idth 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

1.41

1.41

1.41

1.41

1.41

1.41

1.41

typ

1.6

3.22

4.8

9.7

19.5

39

78

8.68

17.4

26

52

104

208

416

max

2.71

3.69

5.53

11.07

22.13

44.27

88.55

units

µs

µs

µs

µs

µs

µs

µs

µs

µs

µs

µs

µs

µs

µs

Notes:

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

and 48SX.

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

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

FIGURE 20 - IrDA TRANSMIT TIMING

176

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