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ATtiny20-U
12MHz, 2kB Flash, 128B SRAM, No EEPROM, WLCSP-12
Schematic Symbol
Pin Configuration (12 pins)
| Pin | Name | Type |
|---|---|---|
| A1 | PA4 | bidirectional |
| A3 | PA1 | bidirectional |
| A5 | PA2 | bidirectional |
| B2 | PA6 | bidirectional |
| B4 | GND | power_in |
| B6 | VCC | power_in |
| C1 | PA5 | bidirectional |
| C3 | PA7 | bidirectional |
| C5 | PB1 | bidirectional |
| D2 | PB2 | bidirectional |
| D4 | ~{RESET}/PB3 | bidirectional |
| D6 | PB0 | bidirectional |
Footprint
ConfirmedPackage_CSP/WLCSP-12_1.403x1.555mm_Layout6x4_P0.4mm_Stagger
Pad Layout
A1
A3
A5
B2
B4
B6
C1
C3
C5
D2
D4
D6
Pads (12)
| Number | Type |
|---|---|
| A1 | smd |
| A3 | smd |
| A5 | smd |
| B2 | smd |
| B4 | smd |
| B6 | smd |
| C1 | smd |
| C3 | smd |
| C5 | smd |
| D2 | smd |
| D4 | smd |
| D6 | smd |