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ATmega164PA-MC
20MHz, 16kB Flash, 1kB SRAM, 512B EEPROM, JTAG, DRQFN-44
Schematic Symbol
Pin Configuration (45 pins)
| Pin | Name | Type |
|---|---|---|
| A1 | PB5 | bidirectional |
| A2 | PB7 | bidirectional |
| A3 | VCC | power_in |
| A4 | XTAL2 | output |
| A5 | PD0 | bidirectional |
| A6 | PD2 | bidirectional |
| A7 | PD3 | bidirectional |
| A8 | PD5 | bidirectional |
| A9 | PD7 | bidirectional |
| A10 | GND | power_in |
| A11 | PC1 | bidirectional |
| A12 | PC3 | bidirectional |
| A13 | PC4 | bidirectional |
| A14 | PC6 | bidirectional |
| A15 | AVCC | power_in |
| A16 | AREF | passive |
| A17 | PA6 | bidirectional |
| A18 | PA4 | bidirectional |
| A19 | PA3 | bidirectional |
| A20 | PA1 | bidirectional |
| A21 | VCC | passive |
| A22 | PB0 | bidirectional |
| A23 | PB2 | bidirectional |
| A24 | PB4 | bidirectional |
| B1 | PB6 | bidirectional |
| B2 | ~{RESET} | input |
| B3 | GND | passive |
| B4 | XTAL1 | input |
| B5 | PD1 | bidirectional |
| B6 | PD4 | bidirectional |
| B7 | PD6 | bidirectional |
| B8 | VCC | passive |
| B9 | PC0 | bidirectional |
| B10 | PC2 | bidirectional |
| B11 | PC5 | bidirectional |
| B12 | PC7 | bidirectional |
| B13 | GND | passive |
| B14 | PA7 | bidirectional |
| B15 | PA5 | bidirectional |
| B16 | PA2 | bidirectional |
| B17 | PA0 | bidirectional |
| B18 | GND | passive |
| B19 | PB1 | bidirectional |
| B20 | PB3 | bidirectional |
| EP | GND | passive |
Footprint
ConfirmedPackage_DFN_QFN/Microchip_DRQFN-44-1EP_5x5mm_P0.7mm_EP2.65x2.65mm
Pad Layout
—
—
—
—
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A24
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
EP
Pads (49)
| Number | Type |
|---|---|
| — | smd |
| — | smd |
| — | smd |
| — | smd |
| A1 | smd |
| A2 | smd |
| A3 | smd |
| A4 | smd |
| A5 | smd |
| A6 | smd |
| A7 | smd |
| A8 | smd |
| A9 | smd |
| A10 | smd |
| A11 | smd |
| A12 | smd |
| A13 | smd |
| A14 | smd |
| A15 | smd |
| A16 | smd |
| A17 | smd |
| A18 | smd |
| A19 | smd |
| A20 | smd |
| A21 | smd |
| A22 | smd |
| A23 | smd |
| A24 | smd |
| B1 | smd |
| B2 | smd |
| B3 | smd |
| B4 | smd |
| B5 | smd |
| B6 | smd |
| B7 | smd |
| B8 | smd |
| B9 | smd |
| B10 | smd |
| B11 | smd |
| B12 | smd |
| B13 | smd |
| B14 | smd |
| B15 | smd |
| B16 | smd |
| B17 | smd |
| B18 | smd |
| B19 | smd |
| B20 | smd |
| EP | smd |