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USB3450のメーカーはSMSC Corporationです、この部品の機能は「HI-SPEED USB HOST OR DEVICE PHY」です。 |
部品番号 | USB3450 |
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部品説明 | HI-SPEED USB HOST OR DEVICE PHY | ||
メーカ | SMSC Corporation | ||
ロゴ | |||
このページの下部にプレビューとUSB3450ダウンロード(pdfファイル)リンクがあります。 Total 30 pages
USB3450
Hi-Speed USB Host or
Device PHY With UTMI+
Interface
PRODUCT FEATURES
■ USB-IF “Hi-Speed” certified to the Universal Serial
Bus Specification Rev 2.0
■ Interface compliant with the UTMI+ Specification,
Revision 1.0.
■ Functional as a host or device PHY.
■ Supports HS, FS, and LS data rates.
■ Supports FS pre-amble for FS hubs with a LS device
attached (UTMI+ Level 3)
■ Supports HS SOF and LS keep alive pulse.
■ Low Latency Hi-Speed Receiver (43 Hi-Speed clocks
Max)
■ Internal 1.8 volt regulators allow operation from a
single 3.3 volt supply
■ Internal short circuit protection of DP and DM lines to
VBUS or ground.
Datasheet
■ Integrated 24MHz Crystal Oscillator supports either
crystal operation or 24MHz external clock input.
■ Internal PLL for 480MHz Hi-Speed USB operation.
■ Supports Hi-Speed USB and legacy USB 1.1 devices
■ 55mA Unconfigured Current (typical) - ideal for bus
powered applications.
■ 83uA suspend current (typical) - ideal for battery
powered applications.
■ Full Commercial operating temperature range from
0°C to +70°C
■ 40 pin QFN package; green, lead-free (6 x 6 x 0.9mm
height)
SMSC USB3450
DATASHEET
Revision 0.1 (05-11-05)
1 Page Hi-Speed USB Host or Device PHY With UTMI+ Interface
Datasheet
0.1 Reference Documents
■ Universal Serial Bus Specification, Revision 2.0, April 27, 2000
■ Hi-Speed Transceiver Macrocell Interface (UTMI) Specification, Version 1.02, May 27, 2000
■ UTMI+ Specification, Revision 1.0, February 2, 2004
SMSC USB3450
3
DATASHEET
Revision 0.1 (05-11-05)
3Pages List of Tables
Hi-Speed USB Host or Device PHY With UTMI+ Interface
Datasheet
Table 3.1 USB3450 Pin Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Table 4.1 Maximum Guaranteed Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Table 4.2 Recommended Operating Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Table 4.3 Recommended External Clock Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Table 5.1 Electrical Characteristics: Supply Pins (Note 5.1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Table 5.2 Electrical Characteristics: CLKOUT Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Table 5.3 DC Electrical Characteristics: Logic Pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Table 5.4 DC Electrical Characteristics: Analog I/O Pins (DP/DM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Table 5.5 Dynamic Characteristics: Analog I/O Pins (DP/DM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Table 5.6 Regulator Output Voltages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Table 6.1 DP/DM termination vs. Signaling Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Table 7.1 Linestate States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Table 7.2 Operational Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Table 7.3 Hi-Speed Test Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Table 7.4 Reset Timing Values (HS Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Table 7.5 Suspend Timing Values (HS Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Table 7.6 HS Detection Handshake Timing Values (FS Mode). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Table 7.7 Reset Timing Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Table 7.8 HS Detection Handshake Timing Values from Suspend . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Table 7.9 Resume Timing Values (HS Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Table 7.10 Attach and Reset Timing Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Revision 0.1 (05-11-05)
6
DATASHEET
SMSC USB3450
6 Page | |||
ページ | 合計 : 30 ページ | ||
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PDF ダウンロード | [ USB3450 データシート.PDF ] |
データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。 |
部品番号 | 部品説明 | メーカ |
USB3450 | Hi-Speed USB Host or Device PHY | Microchip |
USB3450 | HI-SPEED USB HOST OR DEVICE PHY | SMSC Corporation |