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ATmega406-1AA
1MHz, 40kB Flash, 2kB SRAM, 512B EEPROM, JTAG, LQFP-48
Schematic Symbol
Pin Configuration (48 pins)
| Pin | Name | Type |
|---|---|---|
| 1 | SGND | power_in |
| 2 | PA0 | bidirectional |
| 3 | PA1 | bidirectional |
| 4 | PA2 | bidirectional |
| 5 | PA3 | bidirectional |
| 6 | VREG | power_out |
| 7 | VCC | power_in |
| 8 | GND | power_in |
| 9 | PA4 | bidirectional |
| 10 | PA5 | bidirectional |
| 11 | PA6 | bidirectional |
| 12 | PA7 | bidirectional |
| 13 | ~{RESET} | input |
| 14 | XTAL1 | input |
| 15 | XTAL2 | output |
| 16 | GND | passive |
| 17 | PB0 | bidirectional |
| 18 | PB1 | bidirectional |
| 19 | PB2 | bidirectional |
| 20 | PB3 | bidirectional |
| 21 | PB4 | bidirectional |
| 22 | PB5 | bidirectional |
| 23 | SCL | input |
| 24 | SDA | bidirectional |
| 25 | PB6 | bidirectional |
| 26 | PB7 | bidirectional |
| 27 | PD0 | bidirectional |
| 28 | PD1 | bidirectional |
| 29 | GND | passive |
| 30 | PC0 | open_collector |
| 31 | BATT | input |
| 32 | OPC | output |
| 33 | OC | output |
| 34 | VFET | power_in |
| 35 | OD | output |
| 36 | PVT | input |
| 37 | GND | passive |
| 38 | PV4 | input |
| 39 | PV3 | input |
| 40 | PV2 | input |
| 41 | PV1 | input |
| 42 | NV | input |
| 43 | VREF | passive |
| 44 | VREFGND | passive |
| 45 | PPI | input |
| 46 | PI | input |
| 47 | NI | input |
| 48 | NNI | input |
Footprint
ConfirmedPackage_QFP/LQFP-48_7x7mm_P0.5mm
Pad Layout
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14
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31
32
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35
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44
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46
47
48
Pads (48)
| Number | Type |
|---|---|
| 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 |
| 46 | smd |
| 47 | smd |
| 48 | smd |