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AT90USB646-M
16MHz, 64kB Flash, 4kB SRAM, 2kB EEPROM, USB 2.0, QFN-64
Schematic Symbol
Pin Configuration (65 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | PE6 | bidirectional |
| 2 | PE7 | bidirectional |
| 3 | UVCC | power_in |
| 4 | D- | bidirectional |
| 5 | D+ | bidirectional |
| 6 | UGND | power_in |
| 7 | UCAP | passive |
| 8 | VBUS | input |
| 9 | PE3 | bidirectional |
| 10 | PB0 | bidirectional |
| 11 | PB1 | bidirectional |
| 12 | PB2 | bidirectional |
| 13 | PB3 | bidirectional |
| 14 | PB4 | bidirectional |
| 15 | PB5 | bidirectional |
| 16 | PB6 | bidirectional |
| 17 | PB7 | bidirectional |
| 18 | PE4 | bidirectional |
| 19 | PE5 | bidirectional |
| 20 | ~{RESET} | input |
| 21 | VCC | power_in |
| 22 | GND | power_in |
| 23 | XTAL2 | output |
| 24 | XTAL1 | input |
| 25 | PD0 | bidirectional |
| 26 | PD1 | bidirectional |
| 27 | PD2 | bidirectional |
| 28 | PD3 | bidirectional |
| 29 | PD4 | bidirectional |
| 30 | PD5 | bidirectional |
| 31 | PD6 | bidirectional |
| 32 | PD7 | bidirectional |
| 33 | PE0 | bidirectional |
| 34 | PE1 | bidirectional |
| 35 | PC0 | bidirectional |
| 36 | PC1 | bidirectional |
| 37 | PC2 | bidirectional |
| 38 | PC3 | bidirectional |
| 39 | PC4 | bidirectional |
| 40 | PC5 | bidirectional |
| 41 | PC6 | bidirectional |
| 42 | PC7 | bidirectional |
| 43 | PE2/~{HWB} | bidirectional |
| 44 | PA7 | bidirectional |
| 45 | PA6 | bidirectional |
| 46 | PA5 | bidirectional |
| 47 | PA4 | bidirectional |
| 48 | PA3 | bidirectional |
| 49 | PA2 | bidirectional |
| 50 | PA1 | bidirectional |
| 51 | PA0 | bidirectional |
| 52 | VCC | passive |
| 53 | GND | passive |
| 54 | PF7 | bidirectional |
| 55 | PF6 | bidirectional |
| 56 | PF5 | bidirectional |
| 57 | PF4 | bidirectional |
| 58 | PF3 | bidirectional |
| 59 | PF2 | bidirectional |
| 60 | PF1 | bidirectional |
| 61 | PF0 | bidirectional |
| 62 | AREF | passive |
| 63 | GND | passive |
| 64 | AVCC | power_in |
| 65 | GND | passive |
Footprint
ConfirmedPackage_DFN_QFN/QFN-64-1EP_9x9mm_P0.5mm_EP7.5x7.5mm
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