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ATtiny84-20M
20MHz, 8kB Flash, 512B SRAM, 512B EEPROM, debugWIRE, QFN-20
Schematic Symbol
Pin Configuration (21 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | PA4 | bidirectional |
| 2 | PA3 | bidirectional |
| 3 | PA2 | bidirectional |
| 4 | PA1 | bidirectional |
| 5 | AREF/PA0 | bidirectional |
| 6 | NC | no_connect |
| 7 | NC | no_connect |
| 8 | GND | power_in |
| 9 | VCC | power_in |
| 10 | NC | no_connect |
| 11 | XTAL1/PB0 | bidirectional |
| 12 | XTAL2/PB1 | bidirectional |
| 13 | ~{RESET}/PB3 | bidirectional |
| 14 | PB2 | bidirectional |
| 15 | PA7 | bidirectional |
| 16 | PA6 | bidirectional |
| 17 | NC | no_connect |
| 18 | NC | no_connect |
| 19 | NC | no_connect |
| 20 | PA5 | 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 |