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USB3803 데이터시트(PDF) 35 Page - Microchip Technology

부품명 USB3803
상세설명  USB 2.0 High-Speed Hub Controller Optimized
PDF  99 Pages
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제조업체  MICROCHIP [Microchip Technology]
홈페이지  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

USB3803 데이터시트(HTML) 35 Page - Microchip Technology

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 2014-2015 Microchip Technology Inc.
DS00001691B-page 35
USB3803
5.3.34
REGISTER EBH: I2C ADDRESS 1 - I2CADD1
Default = 0x28h - Corresponds to I2C Address on USB3803 with I2C_ASEL =‘10’.
5.3.35
REGISTER ECH: BATTERY CHARGER MODE - BCHGMODE
Default = 0x14h - Corresponds to Charge detection enabled for SDP, CDP and DCP
5.3.36
REGISTER EDH: CHARGER DETECT MASK - CHGDETMASK
Default = 0x0Fh - Any enabled charger detected causing interrupt status to toggle.
Bit Number
Bit Name
Description
7
Reserved
Reserved (serial port interface only uses a 7-bit address)
6:1
I2C_ADDR1
Read Only.
The six most significant bits of I2C Address when I2C_ASEL1 input pin is set to
‘1’
0
Reserved
Reserved (LSB of I2C Address controlled by I2C_ASEL0 Pin)
Bit Number
Bit Name
Description
7:6
Reserved
Reserved
5
Reserved
Reserved
4
EnableChrgDet
If enabled the charger detection routine will be executed automatically once
HUB.ChgDet stage is entered or during Hub.WaitRefClk stage if no reference
clock is available.
3
Reserved
Reserved
2
EnhancedChrg-
Det
When enabled the charger detection routine will reverse Vdat SRC to differen-
tiate between a CDP and a DCP.
1:0
Reserved
Reserved
Bit Number
Bit Name
Description
7:4
Reserved
Reserved
3
Reserved
Reserved
2
Reserved
Reserved
1
CDPMask
1 = BATT_CHG.CHG_DET_N is asserted low when a CDP Charger is detected
0 = BATT_CHG.CHG_DET_N is not affected by detection of a CDP Charger
This mask bit should only be enabled if EnhancedChrgDet in is asserted in Sec-
tion 5.3.35, "Register ECh: Battery Charger Mode - BCHGMODE" because with-
out it, the charger detection is unable to identify a CDP.
0
DCPMask
1 = BATT_CHG.CHG_DET_N is asserted low when a DCP Charger is detected
0 = BATT_CHG.CHG_DET_N is not affected by detection of a DCP Charger



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