参数资料
型号: USB2513-AEZG
厂商: STANDARD MICROSYSTEMS CORP
元件分类: 总线控制器
中文描述: UNIVERSAL SERIAL BUS CONTROLLER, QCC36
封装: 6 X 6 MM, 0.50 MM PITCH, ROHS COMPLIANT, QFN-36
文件页数: 35/76页
文件大小: 1924K
代理商: USB2513-AEZG
USB 2.0 Hi-Speed Hub Controller
Datasheet
Revision 1.1 (04-26-10)
40
SMSC USB251x
DATASHEET
8.2.1.9
Register 08h: Configuration Data Byte 3
8.2.1.10
Register 09h: Non-Removable Device
BIT
NUMBER
BIT NAME
DESCRIPTION
7:4
Reserved
3
PRTMAP_EN
Port mapping enable: Selects the method used by the hub to assign port
numbers and disable ports.
‘0’ = Standard mode
‘1’ = Port mapping mode
2:1
LED_MODE
LED Mode Selection: The LED_A[x:1]_N and LED_B[x:1]_N pins support
several different modes of operation (depending upon OEM implementation
of the LED circuit).
‘00' = USB Mode
‘01’ = Speed Indication Mode
‘10’ = Same as ‘00’, USB Mode
‘11’ = Same as ‘00’, USB Mode
Warning: Do not enable an LED mode that requires LED pins that are not
available in the specific package being used in the implementation.
Note:
The hub will only report that it supports LED's to the host when
USB mode is selected. All other modes will be reported as No LED
Support.
0
STRING_EN
Enables String Descriptor Support
‘0’ = String support disabled
‘1’ = String support enabled
BIT
NUMBER
BIT NAME
DESCRIPTION
7:0
NR_DEVICE
Non-removable Device: Indicates which port(s) include non-removable
devices.
‘0’ = port is removable
‘1’ = port is non-removable
Informs the host if one of the active ports has a permanent device that is
undetachable from the hub. (Note: The device must provide its own
descriptor data.)
When using the internal default option, the NON_REM[1:0] pins will
designate the appropriate ports as being non- removable.
Bit 7= Controls Port 7
Bit 6= Controls Port 6
Bit 5= Controls Port 5
Bit 4= Controls Port 4
Bit 3= Controls Port 3
Bit 2= Controls Port 2
Bit 1= Controls Port 1
Bit 0= Reserved
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