USB2503A-HZH(2006) Ver la hoja de datos (PDF) - SMSC -> Microchip

Número de pieza

componentes Descripción

fabricante

USB2503A-HZH
(Rev.:2006)

Integrated USB 2.0 Compatible 3-Port Hub

SMSC -> Microchip 

Integrated USB 2.0 Compatible 3-Port Hub

Datasheet

5.2.3.6

EEPROM Offset 8(h) - Non-Removable Device

BIT

NUMBER

7:0

BIT NAME

NR_DEVICE

DESCRIPTION

Non-Removable Device: Indicates which port(s) include non-removable devic-

es. ‘0’ = port is removable, ‘1’ = port is non-removable.

Bit 7= Reserved

Bit 6= Reserved

Bit 5= Reserved

Bit 4= Reserved

Bit 3= 1; Port 3 non-removable.

Bit 2= 1; Port 2 non-removable.

Bit 1= 1; Port 1 non removable.

Bit 0 is Reserved, always = ‘0’.

5.2.3.7 EEPROM Offset 9(h) - Port Disable For Self Powered Operation

BIT

NUMBER

7:0

BIT NAME

PORT_DIS_SP

DESCRIPTION

Port Disable Self-Powered: Disables 1 or more contiguous ports. ‘0’ = port

is available, ‘1’ = port is disabled.

Bit 7= Reserved

Bit 6= Reserved

Bit 5= Reserved

Bit 4= Reserved.

Bit 3= 1; Port 3 is disabled.

Bit 2= 1; Port 2 is disabled.

Bit 1= 1; Port 1 is disabled.

Bit 0 is Reserved, always = ‘0’

5.2.3.8 EEPROM Offset A(h) - Port Disable For Bus Powered Operation

BIT

NUMBER

7:0

BIT NAME

PORT_DIS_BP

DESCRIPTION

Port Disable Bus-Powered: Disables 1 or more contiguous ports. ‘0’ = port

is available, ‘1’ = port is disabled.

Bit 7= Reserved

Bit 6= Reserved

Bit 5= Reserved

Bit 4= Reserved.

Bit 3= 1; Port 3 is disabled.

Bit 2= 1; Port 2 is disabled.

Bit 1= 1; Port 1 is disabled.

Bit 0 is Reserved, always = ‘0’

SMSC USB2503/USB2503A

21

DATASHEET

Revision 2.1 (12-06-06)

Share Link: