SMSC USB2507 Manual do Utilizador Página 30

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Integrated USB 2.0 Compatible 7-Port Hub
Datasheet
Revision 2.3 (08-27-07) 30 SMSC USB2507
DATASHEET
5.3.9.10 Register 09h: Non-Removable Device (Reset = 0x00)
5.3.9.11 Register 0Ah: Port Disable For Self Powered Operation (Reset = 0x00)
5.3.9.12 Register 0Bh: Port Disable For Bus Powered Operation (Reset = 0x00)
5.3.9.13 Register 0Ch: Max Power For Self Powered Operation (Reset = 0x00)
BIT
NUMBER BIT NAME DESCRIPTION
7:0 NR_DEVICE Non-Removable Device: Indicates which port(s) include non-removable devic-
es. ‘0’ = port is removable, ‘1’ = port is non-removable.
Bit 7= 1; Port 7 non-removable.
Bit 6= 1; Port 6 non-removable.
Bit 5= 1; Port 5 non removable.
Bit 4= 1; Port 4 non-removable.
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’.
BIT
NUMBER BIT NAME DESCRIPTION
7:0 PORT_DIS_SP Port Disable Self-Powered: Disables 1 or more contiguous ports. ‘0’ = port
is available, ‘1’ = port is disabled.
Bit 7= 1; Port 7 is disabled.
Bit 6= 1; Port 6 is disabled.
Bit 5= 1; Port 5 is disabled.
Bit 4= 1; Port 4 is disabled.
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’
BIT
NUMBER BIT NAME DESCRIPTION
7:0 PORT_DIS_BP Port Disable Bus-Powered: Disables 1 or more contiguous ports. ‘0’ = port
is available, ‘1’ = port is disabled.
Bit 7= 1; Port 7 is disabled.
Bit 6= 1; Port 6 is disabled.
Bit 5= 1; Port 5 is disabled.
Bit 4= 1; Port 4 is disabled.
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’
BIT
NUMBER BIT NAME DESCRIPTION
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