USB2513 datasheet(32/63 Pages) MICROCHIP

32 / 63 page

USB 2.0 Hi-Speed Hub Controller

Datasheet

Revision 2.2 (02-17-12)

SMSC USB251xB/xBi

DATASHEET

5.1.9

5.1.10

BIT

NUMBER

BIT NAME

DESCRIPTION

7:4

rsvd

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

rsvd

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 has a non-removable device.

0 : port is removable

1 : port is non-removable

Bit 7 : rsvd

Bit 6 : rsvd

Bit 5 : rsvd

Bit 4 : controls port 4

Bit 3 : controls port 3

Bit 2 : controls port 2

Bit 1 : controls port 1

Bit 0 : rsvd

Note:

The device must provide its own descriptor data.

When using the default configuration, the NON_REM[1:0] pins will designate

the appropriate ports as being non-removable.

USB2513 数据表(PDF) 32 Page - Microchip Technology

USB2513 数据表(HTML) 32 Page - Microchip Technology

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63

数据表下载