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USB2503 データシート(PDF) 27 Page - SMSC Corporation

部品番号 USB2503
部品情報  USB 2.0 High-Speed 4-Port Hub Controller
PDF  46 Pages
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メーカー  SMSC [SMSC Corporation]
ホームページ  http://www.smsc.com
Logo SMSC - SMSC Corporation

USB2503 データシート(HTML) 27 Page - SMSC Corporation

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USB 2.0 High-Speed 4-Port Hub Controller
Datasheet
SMSC USB2514
27
Revision 1.92 (05-08-07)
DATASHEET
4.3.1.16
Register 0Fh: Hub Controller Max Current For Bus Powered Operation (Reset = 0x00)
4.3.1.17
Register 10h: Power-On Time (Reset = 0x00)
4.3.1.18
Register 11h: Language ID High (Reset = 0x00)
4.3.1.19
Register 12h: Language ID Low (Reset = 0x00)
4.3.1.20
Register 13h: Manufacturer String Length (Reset = 0x00)
BIT
NUMBER
BIT NAME
DESCRIPTION
7:0
HC_MAX_C_BP
Hub Controller Max Current Bus-Powered: Value in 2mA increments that the
Hub consumes from an upstream port (VBUS) when operating as a bus-
powered hub. This value will include the hub silicon along with the combined
power consumption (from VBUS) of all associated circuitry on the board.
This value will NOT include the power consumption of a permanently
attached peripheral if the hub is configured as a compound device.
A value of 50 (decimal) would indicate 100mA, which is the default value.
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
good 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
Maximum string length is 31 characters



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