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SMSC USB2640, USB2640i 7.3.3.1AAh-B0h:Lun 0 Identifier String, 7.3.3.2B1h-B7h:Lun 1 Identifier String, 7.3.3.3B8h-BEh:Lun 2 Identifier String, 7.3.3.4BFh-C5h:Lun 3 Identifier String

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Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo

7.3.3.1AAh-B0h: Lun 0 Identifier String

BYTE
NUMBER	BYTE NAME	STRING	DESCRIPTION

6:0	LUN0_ID_STR	“COMBO”	These bytes are used to specify the LUN descriptor
			returned by the device. These bytes are used in
			combination with the LUN to device mapping bytes
			in applications where the OEM wishes to reorder
			and rename the LUNs or utilizes a combo socket
			and wishes to rename the LUN.

7.3.3.2B1h-B7h: Lun 1 Identifier String

BYTE
NUMBER	BYTE NAME	STRING	DESCRIPTION

6:0	LUN1_ID_STR	“MS”	These bytes are used to specify the LUN descriptor
			returned by the device. These bytes are used in
			combination with the LUN to device mapping bytes
			in applications where the OEM wishes to reorder
			and rename the LUNs or utilizes a combo socket
			and wishes to rename the LUN.

7.3.3.3B8h-BEh: Lun 2 Identifier String

BYTE
NUMBER	BYTE NAME	STRING	DESCRIPTION

6:0	LUN2_ID_STR	“SM”	These bytes are used to specify the LUN descriptor
			returned by the device. These bytes are used in
			combination with the LUN to device mapping bytes
			in applications where the OEM wishes to reorder
			and rename the LUNs or utilizes a combo socket
			and wishes to rename the LUN.

7.3.3.4BFh-C5h: Lun 3 Identifier String

BYTE
NUMBER	BYTE NAME	STRING	DESCRIPTION

6:0	LUN3_ID_STR	“SD/MMC”	These bytes are used to specify the LUN descriptor
			returned by the device. These bytes are used in
			combination with the LUN to device mapping bytes
			in applications where the OEM wishes to reorder
			and rename the LUNs or utilizes a combo socket
			and wishes to rename the LUN.

7.3.3.5C6h-CDh: Inquiry Vendor String

BYTE
NUMBER	BYTE NAME	STRING	DESCRIPTION

7:0	INQ_VEN_STR	“Generic”	If bit 4 of the 1st attribute byte is set, the device will
			use these strings in response to a USB inquiry
			command, instead of the USB Descriptor
			Manufacturer and Product ID Strings.

Revision 2.0 (10-03-08)	34	SMSC USB2640/USB2641
	DATASHEET

Contents

USB2640/USB2641 Ultra Fast USB 2.0 Multi-Format Flash Media Controller/USB Hub Combo Datasheet Page Table of Contents Page List of Tables List of Figures Chapter 1 Overview 1.1Device Features 1.2OEM Selectable Features Chapter 2 Acronyms Chapter 3 Pin Configurations Figure 3.2 USB2641 48-PinQFN Chapter 4 Pin Tables 4.148-PinTables Table 4.2 USB2641 48-PinTable SECURE DIGITAL / MEMORY STICKINTERFACE (14 PINS) DIGITAL POWER, NO CONNECTS (9 PINS) Diagrams Block 5 Chapter Page Chapter 6 Pin Descriptions 6.1USB2640/USB2641 Pin Descriptions Table 6.1 USB2640/USB2641 Pin Descriptions (continued) MEMORY STICK INTERFACE SECURE DIGITAL / MULTIMEDIACARD INTERFACE USB INTERFACE Note: SPI INTERFACE Page MISC DIGITAL / POWER / GROUND 6.2Buffer Type Descriptions 6.3Port Power Control USB2640 USB2641 6.4ROM BOOT Sequence Chapter 7 Configuration Options 7.1Hub 7.1.1.1Power Switching Polarity 7.2Card Reader 7.3System Configurations 7.3.2EEPROM Data Descriptor Table Internal Flash Media Controller Configurations REG ADDR REGISTER NAME Table 7.1 Internal Flash Media Controller Configurations (continued) Table 7.2 Hub Controller Configurations 7.3.2.10h-19h:USB Serial Number Option 7.3.2.21Ah-1Bh:USB Vendor ID Option 7.3.2.31Ch-1Dh:USB Product ID Option 7.3.2.41Eh-21h:USB Language Identifier Option 7.3.2.522h-5Dh:USB Manufacturer String Length 7.3.2.65Eh-99h:USB Product String Length 7.3.2.79Ah: USB BmAttribute (1 byte) 7.3.2.89Bh: USB MaxPower (1 byte) 7.3.2.99Ch-9Fh:Attribute Byte Descriptions 7.3.2.10A4h-A5h:LUN Power Configuration 7.3.2.11A8h: LED Blink Interval (1 byte) 7.3.2.12A9h: Blink Duration (1 byte) 7.3.3.1AAh-B0h:Lun 0 Identifier String 7.3.3.2B1h-B7h:Lun 1 Identifier String 7.3.3.3B8h-BEh:Lun 2 Identifier String 7.3.3.4BFh-C5h:Lun 3 Identifier String 7.3.3.5C6h-CDh:Inquiry Vendor String 7.3.3.6CEh-D2h:Inquiry Product String 7.3.3.7D3h: Dynamic Number of Luns 7.3.3.8D4h-D7h:Lun to Device Mapping 7.3.3.9D8h-DAh:Reserved 7.3.3.10DBh-DDh:Reserved 7.3.3.11DEh: Vendor ID (LSB) 7.3.3.12DFh: Vendor ID (MSB) 7.3.3.13E0h: Product ID (LSB) 7.3.3.14E1h: Product ID (MSB) 7.3.3.15E2h: Device ID (LSB) 7.3.3.16E3h: Device ID (MSB) 7.3.3.17E4h: Config Data Byte 1 (CFG_DAT_BYT1) 7.3.3.18E5h: Config Data Byte 2 (CFG_DAT_BYT2) 7.3.3.19E6h: Config Data Byte 3 (CFG_DAT_BYT3) 7.3.3.20E7h: Non-RemovableDevice 7.3.3.21E8h: Port Disable For Self-PoweredOperation 7.3.3.22E9h: Port Disable For Bus-PoweredOperation 7.3.3.23EAh: Max Power For Self-PoweredOperation 7.3.3.24EBh: Max Power For Bus-PoweredOperation 7.3.3.25ECh: Hub Controller Max Current For Self-PoweredOperation 7.3.3.26EDh: Hub Controller Max Current For Bus-PoweredOperation 7.3.3.27EEh: Power-OnTime 7.3.3.28EFh: Boost_Up 7.3.3.29F0h: Boost_3:0 7.3.3.30F1h: Port Swap 7.3.3.31F2h: Port Remap 7.3.3.32F3h: Port Remap 7.3.3.33F4h: MS/SD Clock Limit 7.3.3.34F5h: Reserved 7.3.3.35F6h: Reserved FCh-FFh: 7.3.4.1Implementation Characteristics 7.4Default Configuration Option: 7.5Reset 7.5.2.1RESET_N for EEPROM Configuration Chapter 8 Pin Reset States 8.1Pin Reset States Table 8.2 USB2640 Pin Reset States (continued) Table 8.3 USB2641 Pin Reset States Table 8.3 USB2641 Pin Reset States (continued) Chapter 9 DC Parameters 9.1Maximum Guaranteed Ratings 9.2Operating Conditions 9.3DC Electrical Characteristics Input Leakage O12 Type Buffer I/O12, I/O12PU & I/O12PD Type Buffer IO-U 9.4Capacitance Chapter 10 AC Specifications 10.1Oscillator/Clock (C1 + CS1) x (C2 + CS2) CL (C1 + CS1 + C2 + CS2) Chapter 11 Package Outline Chapter 12 GPIO Usage