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

Número de pieza

componentes Descripción

Lista de partido

TMC2005-JT

ARCNET 5 Port HUB Controller

SMSC -> Microchip 

ARCNET 5 Port HUB Controller

Datasheet

PIN NO.

1

2

3

4

5

6

NAME

TXENB1

HM

SE

NC

LE

EXTRX

7

ME

8

VSS1

9

EXTTX

10

VDD1

11

CKO

12

VSS2

13

CKM2

14

CKM1

15

CKM0

16

NC

17

RXFLT

18

nPLLTST

19

VDD2

20

XTLI

21

XTLO

22

VSS4

23

NC

24

VDD4

25

VDD3

26

AVDD

27

RO

28

LP

29

AGS

30

AVSS

31

VSS3

32

VSS5

33

NC

34

nEXTOD

35

nMBE

36

nMBB

37

nMBA

38

nBJE

39

nBJB

40

nBJA

41

VSS6

42

nRST

43

nCKOEN

Revision 1.0 (01-30-06)

DESCRIPTION OF PIN FUNCTIONS

INPUT/OUTPUT

OUTPUT

INPUT

INPUT

INPUT

INPUT

INPUT

OUTPUT

OUTPUT

INPUT

INPUT

INPUT

INPUT

INPUT

INPUT

OUTPUT

OUTPUT

OUTPUT

INPUT

INPUT

INPUT

INPUT

INPUT

INPUT

INPUT

INPUT

INPUT

INPUT

DESCRIPTION

Port B-1 Tx output to media transceiver

Setting for traffic release time (It should

be open for normal operation.)

Port EXT. Polar assignment for EXTRX

input (0:active Hi, 1:active Low)

Reserved. It should be open.

Port EXT. Polar assignment of EXTTX

output (0:active Low, 1:active Hi)

Port EXT. RX-Data input from media

transceiver.

Port EXT. Output mode assignment of

EXTTX (0:pulse output, 1:Tx control

output)

Ground

Port EXT. Output to media transceiver.

Power Supply

Clock Output

Ground

Network speed (data rate) setting.

Reserved. It should be open.

Test Pin. It should be open.

Test Pin for PLL.. It should connected to

VDD (Set to high)

Power Supply

X'tal input/External clock input.

X'tal output

Ground

Reserved. It should be open.

Power Supply

Power Supply

Analog Power Supply

VCO output for internal PLL.

Connection pin to loop filter for internal

PLL.

Analog sense pin for internal PLL.

Analog Ground

Ground

Ground

Reserved. It should be open.

Port EXT. Open-drain mode (0:open-

drain output, 1:normal output)

Port EXT. Noise cut (0:on, 1:off)

Port A0/A1 Noise cut (0:on, 1:off)

Port B0/B1 Noise cut (0:on, 1:off)

Port EXT. Jitters correct mode (0:big

jitters mode, 1:normal mode)

Port A0/A1 Jitters correct mode (0:big

jitter mode, 1:normal mode)

Port B0/B1 Jitter correct mode (0:big

jitter mode, 1:normal mode)

Ground

Internal reset signal (active Low)

Enable of CKO output.

Page 6

DATASHEET

NOTE

Pull-up

Pull-up

Pull-up

Pull-up

Pull-up

Pull-up

Pull-up

Pull-up

Pull-up

Pull-up

Pull-up

Pull-up

Pull-up

Pull-up

Pull-up

Pull-up

Pull-up

Pull-up

SMSC TMC2005-JT

Share Link: