Datasheet

Table Of Contents
USB 2.0 Hi-Speed Hub Controller
Datasheet
SMSC USB251x 43 Revision 1.1 (04-26-10)
DATASHEET
8.2.1.17 Register 10h: Power-On Time
8.2.1.18 Register 11h: Language ID High
8.2.1.19 Register 12h: Language ID Low
8.2.1.20 Register 13h: Manufacturer String Length
8.2.1.21 Register 14h: Product String Length
8.2.1.22 Register 15h: Serial String Length
BIT
NUMBER BIT NAME DESCRIPTION
7:0 POWER_ON_TIME Power-On Time: The length of time that it takes (in 2 ms intervals) from the
time the host initiated power-on sequence begins on a port until power is
adequate on that port.
BIT
NUMBER BIT NAME DESCRIPTION
7:0 LANG_ID_H USB Language ID (Upper 8 bits of a 16-bit ID field)
BIT
NUMBER BIT NAME DESCRIPTION
7:0 LANG_ID_L USB Language ID (Lower 8 bits of a 16-bit ID field)
BIT
NUMBER BIT NAME DESCRIPTION
7:0 MFR_STR_LEN Manufacturer String Length
When supported, the maximum string length is 31 characters.
BIT
NUMBER BIT NAME DESCRIPTION
7:0 PRD_STR_LEN Product String Length
When supported, the maximum string length is 31 characters.
BIT
NUMBER BIT NAME DESCRIPTION
7:0 SER_STR_LEN Serial String Length
When supported, the maximum string length is 31 characters.