Self- And Bus- Powered USB Hub Controller

The AT43312 is a 5 port USB hub chip supporting one upstream and four downstream ports. The AT43312 connects to an upstream hub or Host/Root Hub via Port0 and the other ports connect to external downstream USB devices. The hub re-transmits the USB differential signal between Port0 and Ports[1:4] in both directions. A USB hub with the AT43312 CAN operate as a bus-powered or self-powered through chips power mode configuration pin. The AT43312 is pin- and function-compatible with the AT43311 and CAN be used as a replacement for the AT43310 with one pin modifica- tion. The AT43312 supports the 12 Mb/s full-speed as well as 1.5 Mb/s slow-speed USB transactions. To reduce EMI the AT43312s Oscillator frequency is 6 MHz even though some internal circuitry operates at 48 MHz. By ATMEL Corporation
AT43312 's PackagesAT43312 's pdf datasheet

AT43312 Pinout, Pinouts
AT43312 pinout,Pin out
This is one package pinout of AT43312,If you need more pinouts please download AT43312's pdf datasheet.

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