Manual
DS3170 DS3/E3 Single-Chip Transceiver
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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