AT43312A

The AT43312A is a 5 port USB hub chip supporting one upstream and four down- stream ports. The AT43312A connects to an upstream hub or Host/Root Hub via Port0 and the other ports connect to external downstream USB devices. The hub re-trans- mits the USB differential signal between Port0 and Ports[1:4] in both directions. A USB hub with the AT43312A CAN operate as a bus-powered or self-powered through chip power mode configuration pin. In the self-powered mode, port power CAN be switched or unswitched. Overcurrent reporting and port power control CAN be individual or glo- bal. An on-chip power supply eliminates the need for an external 3.3V supply. The AT43312A supports the 12-Mb/sec full speed as well as 1.5-Mb/sec slow speed USB transactions. To reduce EMI the AT43312As Oscillator freuency is 6 MHz even though some internal circuitry operates at 48 MHz. By ATMEL Corporation
AT43312A 's PackagesAT43312A 's pdf datasheet



AT43312A Pinout, Pinouts
AT43312A pinout,Pin out
This is one package pinout of AT43312A,If you need more pinouts please download AT43312A's pdf datasheet.

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