SMSC USB2502 Instrukcja Użytkownika Pobierz pdf (Strona 28)

2-Port USB 2.0 Hub Controller

Datasheet

Revision 2.3 (08-27-07) 28 SMSC USB2502

DATASHEET

5.3.9.3 Register 02h: Vendor ID (MSB) (Reset = 0x00)

5.3.9.4 Register 03h: Product ID (LSB) (Reset = 0x00)

5.3.9.5 Register 04h: Product ID (MSB) (Reset = 0x00)

5.3.9.6 Register 05h: Device ID (LSB) (Reset = 0x00)

5.3.9.7 Register 06h: Device ID (MSB) (Reset = 0x00)

5.3.9.8 Register 07h: CONFIG_BYTE_1 (Reset = 0x00)

BIT

NUMBER BIT NAME DESCRIPTION

7:0 VID_MSB Most Significant Byte of the Vendor ID.

BIT

NUMBER BIT NAME DESCRIPTION

7:0 PID_LSB Least Significant Byte of the Product ID.

BIT

NUMBER BIT NAME DESCRIPTION

7:0 PID_MSB Most Significant Byte of the Product ID.

BIT

NUMBER BIT NAME DESCRIPTION

7:0 DID_LSB Least Significant Byte of the Device ID.

BIT

NUMBER BIT NAME DESCRIPTION

7:0 DID_MSB Most Significant Byte of the Device ID.

BIT

NUMBER BIT NAME DESCRIPTION

7 SELF_BUS_PWR Self or Bus Power: Selects between Self- and Bus-Powered operation.

0 = Bus-Powered operation.

1 = Self-Powered operation.

Note: If Dynamic Power Switching is enabled, this bit is ignored and the

SELF_PWR pin is used to determine if the hub is operating from self or bus

power.

6 Reserved Reserved

1 2 ... 23 24 25 26 27 28 29 30 31 32 33 ... 43 44

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SMSC USB2502 Instrukcja Użytkownika Strona 28