USB2513BI-AEZG Standard Microsystems (SMSC), USB2513BI-AEZG Datasheet - Page 60
USB2513BI-AEZG
Manufacturer Part Number
USB2513BI-AEZG
Description
USB 2.0
Manufacturer
Standard Microsystems (SMSC)
Datasheet
1.USB2513BI-AEZG.pdf
(76 pages)
Specifications of USB2513BI-AEZG
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (min)
3V
Operating Supply Voltage (max)
3.6V
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
36
Lead Free Status / Rohs Status
Supplier Unconfirmed
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Revision 1.1 (04-26-10)
8.7.2
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[x:1] to all downstream ports unless battery charging (BC_EN) 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 for behavior after completion of the reset
Note: The hub does not propagate the upstream USB reset to downstream devices.
t2+t3+t4+t5+t6+t7. For Self-Powered configurations, t3 MAX is not applicable and the time to load
the configuration is determined by the external SMBus host.
All power supplies must have reached the operating levels mandated in
prior to (or coincident with) the assertion of RESET_N.
sequence. The host then configures the hub and the hub’s downstream port devices in accordance
with the USB specification.
DATASHEET
60
USB 2.0 Hi-Speed Hub Controller
Chapter 9, DC
SMSC USB251x
Parameters,
Datasheet