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USB3803 Datasheet(PDF) 71 Page - Microchip Technology

Part # USB3803
Description  USB 2.0 High-Speed Hub Controller Optimized
PDF  99 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

USB3803 Datasheet(HTML) 71 Page - Microchip Technology

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 2014-2015 Microchip Technology Inc.
DS00001691B-page 71
USB3803
8.1.1
CHARGER DETECTION CIRCUITRY
The charger detection circuitry shown in Figure 8-1 is used to detect the type charger attached to the upstream USB
connector.
FIGURE 8-1:
UPSTREAM BATTERY CHARGER DETECTION CIRCUITRY
VDAT_REF
DP
To USB Con.
en
DM
To USB Con.
VdatDet
IDAT_SINK
en
IDP_SRC
en
VDD33_BYP
I2C
Register
Control
Charger
State
Machine
VDAT_SRC
en
+-
en
en
fs_dp
fs_dm
DP/DM selection



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