USB2.0 PHY IC

Datasheet

Revision 1.5 (03-24-06)

4

SMSC GT3200, SMSC USB3250

DATASHEET

List of Figures

Figure 2.1 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Figure 3.1 64 pin GT3200 Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Figure 3.2 56 pin USB3250 Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Figure 6.1 Full-Speed Driver VOH/IOH Characteristics for High-speed Capable Transceiver . . . . . . . . 18

Figure 6.2 Full-Speed Driver VOL/IOL Characteristics for High-speed Capable Transceiver. . . . . . . . . 19

Figure 6.3 Eye Pattern Measurement Planes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 6.4 Eye Pattern for Transmit Waveform and Eye Pattern Definition . . . . . . . . . . . . . . . . . . . . . . 21

Figure 6.5 Eye Pattern for Receive Waveform and Eye Pattern Definition . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 7.1 Bidirectional 16-bit interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 7.2 FS CLK Relationship to Transmit Data and Control Signals (8-bit mode) . . . . . . . . . . . . . . . 25

Figure 7.3 FS CLK Relationship to Receive Data and Control Signals (8-bit mode) . . . . . . . . . . . . . . . 25

Figure 7.4 Transmit Timing for a Data Packet (8-bit mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Figure 7.5 Transmit Timing for 16-bit Data, Even Byte Count. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Figure 7.6 Transmit Timing for 16-bit Data, Odd Byte Count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Figure 7.7 Receive Timing for Data with Unstuffed Bits (8-bit mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Figure 7.8 Receive Timing for 16-bit Data, Even Byte Count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Figure 7.9 Receive Timing for 16-bit Data, Odd Byte Count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Figure 7.10 Receive Timing for Data (with CRC-16 in 8-bit mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Figure 7.11 Receive Timing for Setup Packet (8-bit mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Figure 7.12 Receive Timing for Data Packet with CRC-16 (8-bit mode). . . . . . . . . . . . . . . . . . . . . . . . . . 31

Figure 8.1 Reset Timing Behavior (HS Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Figure 8.2 Suspend Timing Behavior (HS Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Figure 8.3 HS Detection Handshake Timing Behavior (FS Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Figure 8.4 Chirp K-J-K-J-K-J Sequence Detection State Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Figure 8.5 HS Detection Handshake Timing Behavior (HS Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Figure 8.6 HS Detection Handshake Timing Behavior from Suspend . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Figure 8.7 Resume Timing Behavior (HS Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Figure 8.8 Device Attach Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Figure 8.9 Application Diagram for 64-pin TQFP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Figure 8.10 Application Diagram for 56-pin QFN Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Figure 9.1 GT3200 TQFP Package Outline and Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Figure 9.2 USB3250 QFN Package Outline and Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48