TMC2005 Ver la hoja de datos (PDF) - SMSC -> Microchip

Número de pieza

componentes Descripción

Lista de partido

TMC2005

5 Port HUB Controller Device

SMSC -> Microchip 

Example 6: An on-board type HUB with a COM20020, two HYC2485Ss, and two HYC9088s links two different

physical layers; dipulse and AC-485.

U?

1

HYC2485S

Vref

VCC

2

3

nRXIN 4

PH_B 5

PH_A 6

GND

nTXEN

7

8

nPULSE1

1

HYC2485S Vref 2

VCC 3

nRXIN

PH_B

4

5

PH_A 6

GND 7

nTXEN 8

nPULSE1

RX 7

HYC9088S-SK

nPULSE2

DISABLE

nPULSE1

18

19

20

7

RX

HYC9088S-SK

18

nPULSE2 19

DISABLE 20

nPULSE1

15

nPULSE1

18

nTXEN

COM20020

17

RXIN

2

1

+5V

46

47 RXINA0

48 SA

49 TXENA0

50

51

LA

RXINA1

52 MA

53 TXENA1

54 VDD6

55 VSS8

56

57

RXINB0

SB

58 TXENB0

59 LB

60 RXINB1

MB

TMC2005

30

VSS5 29

VSS3 28

AVSS 27

AGS

LP

26

25

RO 24

AVDD 23

VDD3 22

VDD4 21

VSS4

XTLO

20

19

XTLI 18

VDD2 17

nPLLTST 16

RXFLT

FIGURE 6 - APPLICATION EXAMPLE 6

Only the TMC2005 and four transceivers with the COM20020 are indicated in the above figure. Connect the other

pins adequately.

SMSC DS – TMC2005

Page 18

Rev. 10/24/2000

Share Link: