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USB2422 데이터시트(PDF) 29 Page - Microchip Technology

부품명 USB2422
상세설명  2-Port USB 2.0 Hi-Speed Hub Controller
PDF  47 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

USB2422 데이터시트(HTML) 29 Page - Microchip Technology

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2013 - 2015 Microchip Technology Inc.
DS00001726B-page 29
USB2422
4.4.16
HUB CONTROLLER MAX POWER FOR BUS-POWERED OPERATION REGISTER (HCMCB)
4.4.17
POWER-ON TIME REGISTER (PWRT)
4.4.18
LANGUAGE ID HIGH REGISTER (LANGIDH)
4.4.19
LANGUAGE ID LOW REGISTER (LANGIDL)
4.4.20
MANUFACTURER STRING LENGTH REGISTER (MFRSL)
Address:
0Fh
Size:
8 bits
Bits
Description
Type
Default
7:0
Hub Controller Max Power Bus-Powered (MAX_PWR_BP)
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.
R/W
00h
Address:
10h
Size:
8 bits
Bits
Description
Type
Default
7:0
Power-On Time (POWER_ON_TIME)
The length of time that is 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. System software uses this value to determine how long to wait before
accessing a powered-on port.
R/W
00h
Address:
11h
Size:
8 bits
Bits
Description
Type
Default
7:0
USB Language ID High (LANG_ID_H)
Upper 8 bits of the 16-bit language ID field.
R/W
00h
Address:
12h
Size:
8 bits
Bits
Description
Type
Default
7:0
USB Language ID Low (LANG_ID_L)
Lower 8 bits of the 16-bit language ID field.
R/W
00h
Address:
13h
Size:
8 bits
Bits
Description
Type
Default
7:0
Manufacturer String Length (MFR_STR_LEN)
Maximum string length is 31 characters.
R/W
00h



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