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SMSC USB2524 Register 00h: Vendor ID (LSB) (Reset = 0x00), Register 04h: Device ID (LSB) (Reset = 0x00), Register 05h: Device ID (MSB) (Reset = 0x00)

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		USB MultiSwitchTM Hub
		Datasheet
7.1.4.1	Register 00h: Vendor ID (LSB) (Reset = 0x00)

BIT
NUMBER	BIT NAME	DESCRIPTION

7:0	VID_LSB	Least Significant Byte of the Vendor ID. This is a 16-bit value that uniquely
		identifies the Vendor of the user device (assigned by USB-Interface Forum).
		This field is set by the OEM using either the SMBus or EEPROM interface
		options.

7.1.4.2Register 01h: Vendor ID (MSB) (Reset = 0x00)

BIT
NUMBER	BIT NAME	DESCRIPTION

7:0	VID_MSB	Most Significant Byte of the Vendor ID. This is a 16-bit value that uniquely
		identifies the Vendor of the user device (assigned by USB-Interface Forum).
		This field is set by the OEM using either the SMBus or EEPROM interface
		options.

7.1.4.3Register 02h: Product ID (LSB) (Reset = 0x00)

BIT
NUMBER	BIT NAME	DESCRIPTION

7:0	PID_LSB	Least Significant Byte of the Product ID. This is a 16-bit value that the Vendor
		can assign that uniquely identifies this particular product (assigned by OEM).
		This field is set by the OEM using either the SMBus or EEPROM interface
		options.

7.1.4.4Register 03h: Product ID (MSB) (Reset = 0x00)

BIT
NUMBER	BIT NAME	DESCRIPTION

7:0	PID_MSB	Most Significant Byte of the Product ID. This is a 16-bit value that the Vendor
		can assign that uniquely identifies this particular product (assigned by OEM).
		This field is set by the OEM using either the SMBus or EEPROM interface
		options.
7.1.4.5	Register 04h: Device ID (LSB) (Reset = 0x00)

BIT
NUMBER	BIT NAME	DESCRIPTION
7:0	DID_LSB	Least Significant Byte of the Device ID. This is a 16-bit device release number
		in BCD format (assigned by OEM). This field is set by the OEM using either
		the SMBus or EEPROM interface options.
7.1.4.6	Register 05h: Device ID (MSB) (Reset = 0x00)

BIT
NUMBER	BIT NAME	DESCRIPTION

7:0	DID_MSB	Most Significant Byte of the Device ID. This is a 16-bit device release number
		in BCD format (assigned by OEM). This field is set by the OEM using either
		the SMBus or EEPROM interface options.

Revision 1.91 (08-22-07)	22	SMSC USB2524
	DATASHEET

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