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Pin descriptions, Short pin descriptions, Hort – Rainbow Electronics DS3170 User Manual

Page 25: Escriptions, Table 7-1. ds3170 short pin descriptions, 7 pin descriptions

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DS3170 DS3/E3 Single-Chip Transceiver

25 of 233

7 PIN DESCRIPTIONS

Note: In JTAG mode, all digital pins are bidirectional to increase the effectiveness of board level ATPG patterns for
isolation of interconnect failures.

7.1 Short Pin Descriptions

Table 7-1. DS3170 Short Pin Descriptions

Ipu (input with pullup), Oz (output tri-stateable), Oa (Analog output), Ia (analog input), IO (Bidirectional in/out)

PIN

NAME TYPE

FUNCTION

BGA LQFP

Line IO

TLCLK

O

Transmit Line Clock Output

B7 85

TPOS / TDAT

O

Transmit Positive AMI / Data

E9

67

TNEG

O

Transmit Negative AMI

D9

70

TXP

Oa

Transmit Positive analog

E1, E2

12, 13

TXN

Oa

Transmit Negative analog

F1, F2

16, 17

RLCLK

I

Receive Clock Input

A8

81

RXP

Ia

Receive Positive analog

A4

94

RXN Ia

Receive

Negative

analog

A3

97

RPOS / RDAT

Ia

Positive AMI / Data

F10

62

RNEG / RLCV

Ia

Negative AMI / Line Code Violation

F9

63

DS3/E3 Overhead Interface

TOH I

Transmit

Overhead

C7

83

TOHEN I

Transmit

Overhead

Enable

E10

66

TOHCLK O

Transmit

Overhead

Clock

D7

82

TOHSOF

O

Transmit Overhead Start Of Frame

G9

60

ROH O

Receive

Overhead

B6

88

ROHCLK O

Receive

Overhead

Clock

C9

73

ROHSOF

O

Receive Overhead Start Of Frame

F8

61

DS3/E3 Serial Data DS3/E3 Overhead Interface

TCLKI

I

Transmit Line Clock Input

C10

72

TSOFI

I

Transmit Start Of Frame Input

A9

78

TSER

I

Transmit Serial Data

B10

75

TCLKO / TGCLK

O

Transmit Clock Output / Gapped Clock

B9

77

TSOFO / TDEN

O

Transmit Framer Start Of Frame / Data Enable

C8

79

RSER

O

Receive Serial Data

C6

86

RCLKO / RGCLK

O

Receive / Clock Output / Gapped Clock

A6

87

RSOFO / RDEN

O

Receive Framer Start Of Frame / Data Enable

B8

80

Microprocessor Interface

D[15] IO

Data

[15]

G8

58

D[14] IO

Data

[14]

H10

56

D[13] IO

Data

[13]

H9

55

D[12] IO

Data

[12]

H8

54

D[11] IO

Data

[11]

J10

53

D[10] IO

Data

[10]

J9

52

D[9] IO

Data

[9]

G6

40

D[8] IO

Data

[8]

J8

48

D[7]/SPI_CPOL

IO

Data [7] / SPI Interface Clock Polarity

K8

47

D[6]/SPI_CPHA

IO

Data [6] / SPI Interface Clock Phase

H7

46

D[5]/SPI_SWAP

IO

Data [5:3] / SPI Bit Order Swap

J7

45

D[4]

IO

Data [4]

K7

44

D[3] IO

Data

[3]

H6

43