USB3450 Standard Microsystems Corporation, USB3450 Datasheet - Page 5

• Manufacturer Part Number: USB3450
• Description: Hi-speed USB HOST OR Device PHY WITH Utmi+interface
• Manufacturer: Standard Microsystems Corporation

Hi-Speed USB Host or Device PHY With UTMI+ Interface
Datasheet
List of Figures
Figure 1.1 Basic UTMI+ USB Device Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 1.2 UTMI+ Level 3 Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 2.1 USB3450 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 3.1 USB3450 Pinout - Top View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 6.1 FS CLK Relationship to Transmit Data and Control Signals . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 6.2 FS CLK Relationship to Receive Data and Control Signals. . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 6.3 Transmit Timing for a Data Packet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 6.4 Receive Timing for Data with Unstuffed Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 6.5 Receive Timing for a Handshake Packet (no CRC). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 6.6 Receive Timing for Setup Packet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 6.7 Receive Timing for Data Packet (with CRC-16). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 7.1 Reset Timing Behavior (HS Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Figure 7.2 Suspend Timing Behavior (HS Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Figure 7.3 HS Detection Handshake Timing Behavior (FS Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Figure 7.4 Chirp K-J-K-J-K-J Sequence Detection State Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Figure 7.5 HS Detection Handshake Timing Behavior (HS Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 7.6 HS Detection Handshake Timing Behavior from Suspend . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 7.7 Resume Timing Behavior (HS Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Figure 7.8 Device Attach Behavior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 7.9 USB3450 Application Diagram (Top View) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 8.1 USB3450-FZG 40 Pin QFN Package Outline, 6 x 6 x 0.9 mm Body (Lead Free) . . . . . . . . . 40
SMSC USB3450
5
Revision 0.1 (05-11-05)
DATASHEET