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FT4222HQ
USB 2.0 to Quad SPI or I2C Bridge, VQFN-32
Schematic Symbol
Pin Configuration (33 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | DEBUGGER | bidirectional |
| 2 | ~{STEST_RST} | input |
| 3 | ~{RESET} | input |
| 4 | DCNF0 | input |
| 5 | DCNF1 | input |
| 6 | DGND | power_in |
| 7 | VCCIO | power_in |
| 8 | SCK | bidirectional |
| 9 | MISO | bidirectional |
| 10 | MOSI | bidirectional |
| 11 | IO2 | bidirectional |
| 12 | IO3 | bidirectional |
| 13 | GPIO0 | bidirectional |
| 14 | GPIO1 | bidirectional |
| 15 | GPIO2 | bidirectional |
| 16 | GPIO3 | bidirectional |
| 17 | ~{SS0O} | output |
| 18 | XSCI | input |
| 19 | XSCO | output |
| 20 | UGND | power_in |
| 21 | RREF | input |
| 22 | DM | bidirectional |
| 23 | DP | bidirectional |
| 24 | UGND | passive |
| 25 | VOUT3V3 | unspecified |
| 26 | VCCIN | power_in |
| 27 | AGND | power_in |
| 28 | DGND | passive |
| 29 | VPP | power_in |
| 30 | VBUS_DET | input |
| 31 | BCD_DET | output |
| 32 | ~{SS} | input |
| 33 | EP | power_in |
Footprint
ConfirmedPackage_DFN_QFN/VQFN-32-1EP_5x5mm_P0.5mm_EP3.1x3.1mm
Pad Layout
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33
Pads (37)
| Number | Type |
|---|---|
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| 1 | smd |
| 2 | smd |
| 3 | smd |
| 4 | smd |
| 5 | smd |
| 6 | smd |
| 7 | smd |
| 8 | smd |
| 9 | smd |
| 10 | smd |
| 11 | smd |
| 12 | smd |
| 13 | smd |
| 14 | smd |
| 15 | smd |
| 16 | smd |
| 17 | smd |
| 18 | smd |
| 19 | smd |
| 20 | smd |
| 21 | smd |
| 22 | smd |
| 23 | smd |
| 24 | smd |
| 25 | smd |
| 26 | smd |
| 27 | smd |
| 28 | smd |
| 29 | smd |
| 30 | smd |
| 31 | smd |
| 32 | smd |
| 33 | smd |