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ATMEGA128A-MU
8-bit AVR Microcontroller, 2.7-5.5V, 16MHz, 128KB Flash, 4KB EEPROM, 4KB SRAM, 64-pin MLF, Industrial Grade (-40°C to 85°C)
Schematic Symbol
Pin Configuration (65 pins)
| Pin | Name | Type |
|---|---|---|
| 51 | PA0_(AD0) | bidirectional |
| 50 | PA1_(AD1) | bidirectional |
| 49 | PA2_(AD2) | bidirectional |
| 48 | PA3_(AD3) | bidirectional |
| 47 | PA4_(AD4) | bidirectional |
| 46 | PA5_(AD5) | bidirectional |
| 45 | PA6_(AD6) | bidirectional |
| 44 | PA7_(AD7) | bidirectional |
| 35 | PC0_(A8) | bidirectional |
| 36 | PC1_(A9) | bidirectional |
| 37 | PC2_(A10 | bidirectional |
| 38 | PC3_(A11) | bidirectional |
| 39 | PC4_(A12) | bidirectional |
| 40 | PC5_(A13) | bidirectional |
| 41 | PC6_(A14) | bidirectional |
| 42 | PC7_(A15) | bidirectional |
| 2 | PE0_RXD0/(PDI) | bidirectional |
| 3 | PE1_(TXD0/PDO) | bidirectional |
| 4 | PE2_(XCK0/AIN0) | bidirectional |
| 5 | PE3_(OC3A/AIN1) | bidirectional |
| 6 | PE4_(OC3B/INT4) | bidirectional |
| 7 | PE5_(OC3C/INT5) | bidirectional |
| 8 | PE6_(T3/INT6) | bidirectional |
| 9 | PE7_(ICP3/INT7) | bidirectional |
| 20 | ~{RESET} | input |
| 1 | ~{PEN} | input |
| 24 | XTAL1 | input |
| 23 | XTAL2 | output |
| 64 | AVCC | power_in |
| 62 | AREF | power_in |
| 10 | PB0_(~{SS}) | bidirectional |
| 11 | PB1_(SCK) | bidirectional |
| 12 | PB2_(MOSI) | bidirectional |
| 13 | PB3_(MISO) | bidirectional |
| 14 | PB4_(OC0) | bidirectional |
| 15 | PB5_(OC1A) | bidirectional |
| 16 | PB6_(OC1B) | bidirectional |
| 17 | PB7_(OC2/OC1C) | bidirectional |
| 25 | PD0_(SCL/INT0) | bidirectional |
| 26 | PD1_(SDA/INT1) | bidirectional |
| 27 | PD2_(RXD1/INT2) | bidirectional |
| 28 | PD3_(TXD1/INT3) | bidirectional |
| 29 | PD4_(ICP1) | bidirectional |
| 30 | PD5_(XCK1) | bidirectional |
| 31 | PD6_(T1) | bidirectional |
| 32 | PD7_(T2) | bidirectional |
| 61 | PF0_(ADC0) | bidirectional |
| 60 | PF1_(ADC1) | bidirectional |
| 59 | PF2_(ADC2) | bidirectional |
| 58 | PF3_(ADC3) | bidirectional |
| 57 | PF4_(ADC4/TCK) | bidirectional |
| 56 | PF5_(ADC5/TMS) | bidirectional |
| 55 | PF6_(ADC6/TDO) | bidirectional |
| 54 | PF7_(ADC7/TDI) | bidirectional |
| 33 | PG0_(~{WR}) | bidirectional |
| 34 | PG1_(~{RD}) | bidirectional |
| 43 | PG2_(ALE) | bidirectional |
| 18 | PG3/TOSC2 | bidirectional |
| 19 | PG4/TOSC1 | bidirectional |
| 21 | VCC | power_in |
| 52 | VCC | power_in |
| 22 | GND | power_in |
| 53 | GND | power_in |
| 63 | GND | power_in |
| 65 | EP | passive |
Footprint
This symbol has no default footprint. It's typically a generic part where the footprint depends on the package you choose.