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KSZ8721BL
3.3V Single Power Supply 10/100BASE-TX/FX MII Physical Layer Transceiver
Schematic Symbol
Pin Configuration (48 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | MDIO | bidirectional |
| 2 | MDC | input |
| 16 | TXEN | input |
| 15 | TXC/REF_CLK | bidirectional |
| 14 | TXER | input |
| 20 | TXD3 | input |
| 19 | TXD2 | input |
| 18 | TXD1 | input |
| 17 | TXD0 | input |
| 22 | CRS/RMII_BTB | bidirectional |
| 21 | COL/RMII | bidirectional |
| 25 | ~{INT}/PHYAD0 | bidirectional |
| 3 | RXD3/PHYAD1 | bidirectional |
| 4 | RXD2/PHYAD2 | bidirectional |
| 5 | RXD1/PHYAD3 | bidirectional |
| 6 | RXD0/PHYAD4 | bidirectional |
| 9 | RXDV/PCS_LPBK | bidirectional |
| 10 | RXC | output |
| 11 | RXER/ISO | bidirectional |
| 46 | X1 | input |
| 45 | X0 | output |
| 48 | ~{RST} | input |
| 30 | P/D/ | input |
| 34 | FXSD/FXEN | bidirectional |
| 37 | REXT | input |
| 41 | TX+ | output |
| 40 | TX- | output |
| 33 | RX+ | input |
| 32 | RX- | input |
| 29 | LED3/NWAYEN | bidirectional |
| 28 | LED2/DUPLEX | bidirectional |
| 27 | LED1/SPD100 | bidirectional |
| 26 | LED0/TEST | bidirectional |
| 7 | VDDIO | power_in |
| 24 | VDDIO | power_in |
| 13 | VDDC | power_in |
| 47 | VDDPLL | power_in |
| 42 | VDDTX | power_in |
| 31 | VDDRX | power_in |
| 38 | VDDRCV | power_in |
| 8 | GND | power_in |
| 12 | GND | power_in |
| 23 | GND | power_in |
| 35 | GND | power_in |
| 36 | GND | power_in |
| 39 | GND | power_in |
| 43 | GND | power_in |
| 44 | GND | power_in |
Footprint
This symbol has no default footprint. It's typically a generic part where the footprint depends on the package you choose.