EVB-2502 Standard Microsystems (SMSC), EVB-2502 Datasheet - Page 36
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EVB-2502
Manufacturer Part Number
EVB-2502
Description
Manufacturer
Standard Microsystems (SMSC)
Datasheet
1.EVB-2502.pdf
(44 pages)
Specifications of EVB-2502
Lead Free Status / RoHS Status
Supplier Unconfirmed
- Current page: 36 of 44
- Download datasheet (714Kb)
2-Port USB 2.0 Hub Controller
Datasheet
5.6.2
USB Bus Reset
In response to the upstream port signaling a reset to the Hub, the Hub does the following:
Note: The Hub does not propagate the upstream USB reset to downstream devices.
1. Sets default address to 0.
2. Sets configuration to: Unconfigured.
3. Negates PRTPWR to all downstream ports.
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 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
Specification.
Revision 2.3 (08-27-07)
36
SMSC USB2502
DATASHEET
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