SMSC USB2524 manual

Contents

USB2524 USB MultiSwitchTM Hub PRODUCT FEATURES ORDER NUMBER(S): USB2524-ABZJfor 56-pinQFN Lead-FreeRoHS Compliant Package Table of Contents Chapter Page Page List of Figures List of Tables Chapter 1 General Description 1.1OEM Selectable Features Chapter 2 Pin Layout Chapter 3 Pin Configuration Chapter 4 Switching Hub Pin Descriptions Page Page Page Page Chapter 5 Switching Hub Block Diagram DATASHEET Chapter 6 Assigning Ports 6.1Port Assign Interface (PRT_ASSIGN[3:0] pins) 6.1.1Embedded Mode: 6.1.2Peripheral Mode: Level Triggered 6.1.3Peripheral Mode: Edge Triggered 6.2SMBus Host Control of Port Assignment Chapter 7 Configuration Options 7.1Switching Hub Configuration Options 7.1.1Power Switching Polarity 7.1.2VBus Detect 7.1.3Port Assignment Configuration: Page Register 00h: Vendor ID (LSB) (Reset = 0x00) 7.1.4.2Register 01h: Vendor ID (MSB) (Reset = 0x00) 7.1.4.3Register 02h: Product ID (LSB) (Reset = 0x00) 7.1.4.4Register 03h: Product ID (MSB) (Reset = 0x00) Register 04h: Device ID (LSB) (Reset = 0x00) Register 06h: CONFIG_BYTE_1 (Reset = 0x00) Register 07h: Configuration Data Byte 2 (Reset = 0x00) 7.1.4.9Register 08h: Configuration Data Byte 3 (Reset = 0x00) 7.1.4.10Register 09h: Non-RemovableDevice (Reset = 0x00) 7.1.4.11Register 0Ah: Port Disable For Self Powered Operation (Reset = 0x00) 7.1.4.12Register 0Bh: Port Disable For Bus Powered Operation (Reset = 0x00) 7.1.4.13Register 0Ch: Max Power For Self Powered Operation (Reset = 0x00) 7.1.4.14Register 0Dh: Max Power For Bus Powered Operation (Reset = 0x00) 7.1.4.17Register 10h: Power-OnTime (Reset = 0x00) Register 11h: Language ID High (Reset = 0x00) Register 12h: Language ID Low (Reset = 0x00) Register 13h: Manufacturer String Length (Reset = 0x00) Register 14h: Product String Length (Reset = 0x00) Register 15h: Serial String Length (Reset = 0x00) Register 16h-53h:Manufacturer String (Reset = 0x00) 7.1.4.24Register 54h-91h:Product String (Reset = 0x00) Register 92h-CFh:Serial String (Reset = 0x00) 7.1.4.26Register D0h: Port Interface Delay Timer (Reset = 0x00) 7.1.4.27Register D1h: Port Assign Interface Configuration 0A (Reset = 0x00) 7.1.4.28Register D2h: Port Assign Interface Configuration 0B (Reset = 0x00) Register D3h: Port Assign Interface Configuration 0C (Reset = 0x00) Register D4h: Port Assign Interface Configuration 0D (Reset = 0x00) Register D5h: Port Assign Interface Configuration 1A (Reset = 0x00) 7.1.4.32Register D6h: Port Assign Interface Configuration 1B (Reset = 0x00) Register D7h: Port Assign Interface Configuration 1C (Reset = 0x00) Register D8h: Port Assign Interface Configuration 1D (Reset = 0x00) Register D9h: Port Assign Interface Configuration 2A (Reset = 0x00) 7.1.4.36Register DAh: Port Assign Interface Configuration 2B (Reset = 0x00) Register DBh: Port Assign Interface Configuration 2C (Reset = 0x00) Register DCh: Port Assign Interface Configuration 2D (Reset = 0x00) Register DDh: Port Assign Interface Configuration 3A (Reset = 0x00) 7.1.4.40Register DEh: Port Assign Interface Configuration 3B (Reset = 0x00) Register DFh: Port Assign Interface Configuration 3C (Reset = 0x00) Register E0h: Port Assign Interface Configuration 3D (Reset = 0x00) Register E1h: Port Assign Interface Configuration 4A (Reset = 0x00) 7.1.4.44Register E2h: Port Assign Interface Configuration 4B (Reset = 0x00) Register E3h: Port Assign Interface Configuration 4C (Reset = 0x00) Register E4h: Port Assign Interface Configuration 4D (Reset = 0x00) Register E5h: Port Assign Interface Configuration 5A (Reset = 0x00) 7.1.4.48Register E6h: Port Assign Interface Configuration 5B (Reset = 0x00) Register E7h: Port Assign Interface Configuration 5C (Reset = 0x00) Register E8h: Port Assign Interface Configuration 5D (Reset = 0x00) Register E9h: Port Assign Interface Configuration 6A (Reset = 0x00) 7.1.4.52Register EAh: Port Assign Interface Configuration 6B (Reset = 0x00) Register EBh: Port Assign Interface Configuration 6C (Reset = 0x00) Register ECh: Port Assign Interface Configuration 6D (Reset = 0x00) Register EDh: Port Assign Interface Configuration 7A (Reset = 0x00) 7.1.4.56Register EEh: Port Assign Interface Configuration 7B (Reset = 0x00) Register EFh: Port Assign Interface Configuration 7C (Reset = 0x00) Register F0h: Port Assign Interface Configuration 7D (Reset = 0x00) Register F1h: Port Assignment 1 & 2 (Reset = 0x00) Register F2h: Port Assignment 3 & 4 (Reset = 0x00) Register F3h: Port Assignment 5 & 6 (Reset = 0x00) Register F4h: Port Assignment 7 (Reset = 0x00) Register F5h: Port Lockout (Reset = 0x00) Register FFh: Status/Command (Reset = 0x00) 7.2EEPROM Interface 7.2.1I2C Master 7.2.2In-CircuitEEPROM Programming 7.3SMBus Slave Interface 7.3.1Bus Protocols 7.3.2Invalid Protocol Response Behavior 7.3.3General Call Address Response 7.3.4Slave Device Time-Out 7.3.5Stretching the SCLK Signal 7.3.6SMBus Timing 7.4Default Strapping Option 7.5Default Configuration Chapter 8 LED Interface Description 8.1USB Mode: 8.2Basic Host Owner LED Indication: 8.3Host Ownership and Port Speed LED Indication: Page Chapter 9 Reset 9.1Reset 9.1.1External Hardware RESET_N 9.1.1.1RESET_N for Strapping Option Configuration 9.1.1.2RESET_N for EEPROM Configuration 9.1.2USB Bus Reset Page Chapter 10 XNOR Test Chapter 11 DC Parameters 11.1Maximum Guaranteed Ratings 11.1.1DC Electrical Characteristics Page CAPACITANCE TA = 25°C; fc = 1MHz; VDDIO Chapter 12 AC Specifications 12.1Oscillator/Clock 12.1.1SMBus Interface: 12.1.2I2C EEPROM: 12.1.3USB Chapter 13 Package Outline