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ATmega48P-20MM
20MHz, 4kB Flash, 512B SRAM, 256B EEPROM, QFN-28
Schematic Symbol
Pin Configuration (29 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | PD3 | bidirectional |
| 2 | PD4 | bidirectional |
| 3 | VCC | power_in |
| 4 | GND | power_in |
| 5 | XTAL1/PB6 | bidirectional |
| 6 | XTAL2/PB7 | bidirectional |
| 7 | PD5 | bidirectional |
| 8 | PD6 | bidirectional |
| 9 | PD7 | bidirectional |
| 10 | PB0 | bidirectional |
| 11 | PB1 | bidirectional |
| 12 | PB2 | bidirectional |
| 13 | PB3 | bidirectional |
| 14 | PB4 | bidirectional |
| 15 | PB5 | bidirectional |
| 16 | AVCC | power_in |
| 17 | AREF | passive |
| 18 | GND | passive |
| 19 | PC0 | bidirectional |
| 20 | PC1 | bidirectional |
| 21 | PC2 | bidirectional |
| 22 | PC3 | bidirectional |
| 23 | PC4 | bidirectional |
| 24 | PC5 | bidirectional |
| 25 | ~{RESET}/PC6 | bidirectional |
| 26 | PD0 | bidirectional |
| 27 | PD1 | bidirectional |
| 28 | PD2 | bidirectional |
| 29 | GND | passive |
Footprint
ConfirmedPackage_DFN_QFN/QFN-28-1EP_4x4mm_P0.45mm_EP2.4x2.4mm
Pad Layout
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29
Pads (33)
| 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 |