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ATmega1284P-M
20MHz, 128kB Flash, 16kB SRAM, 4kB EEPROM, JTAG, QFN-44
Schematic Symbol
Pin Configuration (45 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | PB5 | bidirectional |
| 2 | PB6 | bidirectional |
| 3 | PB7 | bidirectional |
| 4 | ~{RESET} | input |
| 5 | VCC | power_in |
| 6 | GND | power_in |
| 7 | XTAL2 | output |
| 8 | XTAL1 | input |
| 9 | PD0 | bidirectional |
| 10 | PD1 | bidirectional |
| 11 | PD2 | bidirectional |
| 12 | PD3 | bidirectional |
| 13 | PD4 | bidirectional |
| 14 | PD5 | bidirectional |
| 15 | PD6 | bidirectional |
| 16 | PD7 | bidirectional |
| 17 | VCC | passive |
| 18 | GND | passive |
| 19 | PC0 | bidirectional |
| 20 | PC1 | bidirectional |
| 21 | PC2 | bidirectional |
| 22 | PC3 | bidirectional |
| 23 | PC4 | bidirectional |
| 24 | PC5 | bidirectional |
| 25 | PC6 | bidirectional |
| 26 | PC7 | bidirectional |
| 27 | AVCC | power_in |
| 28 | GND | passive |
| 29 | AREF | passive |
| 30 | PA7 | bidirectional |
| 31 | PA6 | bidirectional |
| 32 | PA5 | bidirectional |
| 33 | PA4 | bidirectional |
| 34 | PA3 | bidirectional |
| 35 | PA2 | bidirectional |
| 36 | PA1 | bidirectional |
| 37 | PA0 | bidirectional |
| 38 | VCC | passive |
| 39 | GND | passive |
| 40 | PB0 | bidirectional |
| 41 | PB1 | bidirectional |
| 42 | PB2 | bidirectional |
| 43 | PB3 | bidirectional |
| 44 | PB4 | bidirectional |
| 45 | GND | passive |
Footprint
ConfirmedPackage_DFN_QFN/QFN-44-1EP_7x7mm_P0.5mm_EP5.2x5.2mm
Pad Layout
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Pads (61)
| Number | Type |
|---|---|
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| — | 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 |
| 34 | smd |
| 35 | smd |
| 36 | smd |
| 37 | smd |
| 38 | smd |
| 39 | smd |
| 40 | smd |
| 41 | smd |
| 42 | smd |
| 43 | smd |
| 44 | smd |
| 45 | smd |