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USX2064 датащи(PDF) 36 Page - Microchip Technology

номер детали USX2064
подробное описание детали  USB 2.0 Hi-Speed 4-Port Hub Controller with Battery Charging
PDF  54 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

USX2064 датащи(HTML) 36 Page - Microchip Technology

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USX2064
DS00001986E-page 36
2023 Microchip Technology Inc and its subsidiaries.
5.5.2
USB BUS RESET
In response to the upstream port signaling a reset to the hub, the hub does the following:
1. Sets default internal USB address to 0
2. Sets configuration to: unconfigured
3. Negates
PRTPWR[x:1] to all downstream ports unless battery charging (BC_EN[x:1]) is enabled
4. Clears all TT buffers
5. Moves device from suspended to active (if suspended)
6. Complies with Section 11.10 of the USB 2.0 Specification [1] for behavior after completion of the reset sequence.
The host then configures the hub and the hub’s downstream port devices in accordance with the USB Specifica-
tion.
Note:
The hub does not propagate the upstream USB reset to downstream devices.



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