FDC37C672 查看數據表（PDF） - SMSC -> Microchip

零件编号

产品描述 (功能)

生产厂家

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

t2

t1

IRTX

t2 t1

n IRTX

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

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 22.5 - IrDA Transmit Timing

SMSC FDC37C672

Page 169

DATASHEET

Rev. 10-29-03

Share Link: