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ATtiny43U-M
8MHz, 4kB Flash, 256B SRAM, 64B EEPROM, QFN-20
Schematic Symbol
Pin Configuration (21 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | PB2 | bidirectional |
| 2 | PB3 | bidirectional |
| 3 | PB4 | bidirectional |
| 4 | PB5 | bidirectional |
| 5 | PB6 | bidirectional |
| 6 | PB7 | bidirectional |
| 7 | VCC | power_in |
| 8 | GND | power_in |
| 9 | LSW | passive |
| 10 | VBAT | power_in |
| 11 | PA0 | bidirectional |
| 12 | PA1 | bidirectional |
| 13 | PA2 | bidirectional |
| 14 | PA3 | bidirectional |
| 15 | PA4 | bidirectional |
| 16 | PA5 | bidirectional |
| 17 | PA6 | bidirectional |
| 18 | ~{RESET}/PA7 | bidirectional |
| 19 | PB0 | bidirectional |
| 20 | PB1 | bidirectional |
| 21 | GND | passive |
Footprint
ConfirmedPackage_DFN_QFN/QFN-20-1EP_4x4mm_P0.5mm_EP2.6x2.6mm
Pad Layout
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21
Pads (25)
| 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 |