DS21352LN datasheet(11/137 Pages) DALLAS

Part #	DS21352LN

Description	3.3V DS21352 and 5V DS21552 T1 Single-Chip Transceivers

Download	137 Pages

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Manufacturer	DALLAS [Dallas Semiconductor]

Direct Link	https://www.maximintegrated.com/en.html

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DS21352/DS21552

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4. PIN DESCRIPTION

Table 4-1 PIN DESCRIPTION SORTED BY PIN NUMBER

SYMBOL

TYPE

DESCRIPTION

1

RCHBLK

O

Receive Channel Block

2

JTMS

I

IEEE 1149.1 Test Mode Select

3

8MCLK

O

8.192 MHz Clock

4

JTCLK

I

IEEE 1149.1 Test Clock Signal

5

JTRST

I

IEEE 1149.1 Test Reset

6

RCL

O

Receive Carrier Loss

7

JTDI

I

IEEE 1149.1 Test Data Input

8

NC

–

No Connect

9

NC

–

No Connect

10

JTDO

O

IEEE 1149.1 Test Data Output

11

BTS

I

Bus Type Select

12

LIUC

I

Line Interface Connect

13

8XCLK

O

Eight Times Clock

14

TEST

I

Test

15

NC

–

No Connect

16

RTIP

I

Receive Analog Tip Input

17

RRING

I

Receive Analog Ring Input

18

RVDD

–

Receive Analog Positive Supply

19

RVSS

–

Receive Analog Signal Ground

20

RVSS

–

Receive Analog Signal Ground

21

MCLK

I

Master Clock Input

22

XTALD

O

Quartz Crystal Driver

23

NC

–

No Connect

24

RVSS

–

Receive Analog Signal Ground

25

INT*

O

Interrupt

26

NC

–

No Connect

27

NC

–

No Connect

28

NC

–

No Connect

29

TTIP

O

Transmit Analog Tip Output

30

TVSS

–

Transmit Analog Signal Ground

31

TVDD

–

Transmit Analog Positive Supply

32

TRING

O

Transmit Analog Ring Output

33

TCHBLK

O

Transmit Channel Block

34

TLCLK

O

Transmit Link Clock

35

TLINK

I

Transmit Link Data

36

CI

I

Carry In

37

TSYNC

I/O

Transmit Sync

38

TPOSI

I

Transmit Positive Data Input

39

TNEGI

I

Transmit Negative Data Input

40

TCLKI

I

Transmit Clock Input

41

TCLKO

O

Transmit Clock Output

42

TNEGO

O

Transmit Negative Data Output

43

TPOSO

O

Transmit Positive Data Output

Table 4-1 PIN DESCRIPTION SORTED BY PIN NUMBER (cont.)

SYMBOL

TYPE

DESCRIPTION

44

DVDD

–

Digital Positive Supply

45

DVSS

–

Digital Signal Ground

46

TCLK

I

Transmit Clock

47

TSER

I

Transmit Serial Data

48

TSIG

I

Transmit Signaling Input

49

TESO

O

Transmit Elastic Store Output

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