Datasheet Microchip ATmega8A
| Manufacturer | Microchip |
| Series | ATmega8A |
The high-performance, low-power Microchip 8-bit AVR RISC-based microcontroller combines 8KB ISP flash memory with read-while-write capabilities, 512B EEPROM, 1KB SRAM, 23 general purpose I/O lines, 32 general purpose working registers, three flexible timer/counters with compare modes, internal and external interrupts,serial programmable USART, a byte oriented two-wire serial interface, 6-channel 10-bit A/D converter (8-channel in TQFP and QFN/MLF packages), programmable watchdog timer with internal oscillator, SPI serial port, and five software selectable power saving modes
Datasheets
ATmega8A - Complete Datasheet
PDF, 3.2 Mb, File published: Dec 14, 2017
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ATmega8A Data Sheet Summary
PDF, 307 Kb, File published: Jan 22, 2018
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Prices
Packaging
| ATMEGA8A-AN | ATMEGA8A-ANR | ATMEGA8A-AU | ATMEGA8A-AU-HCM | ATMEGA8A-AUR | ATMEGA8A-MN | ATMEGA8A-MNR | ATMEGA8A-MU | ATMEGA8A-MUR | ATMEGA8A-PN | ATMEGA8A-PU | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| Package | TQFP | TQFP | TQFP | TQFP | TQFP | VQFN | VQFN | VQFN | VQFN | SPDIP | SPDIP |
Parametrics
| Parameters / Models | ATMEGA8A-AN | ATMEGA8A-ANR | ATMEGA8A-AU | ATMEGA8A-AU-HCM | ATMEGA8A-AUR | ATMEGA8A-MN | ATMEGA8A-MNR | ATMEGA8A-MU | ATMEGA8A-MUR | ATMEGA8A-PN | ATMEGA8A-PU |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ADC Input | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| ADC with Computation | No | No | No | No | No | No | No | No | No | No | No |
| Angular Timer | No | No | No | No | No | No | No | No | No | No | No |
| Architecture | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| CPU Type | 8-bit AVR | 8-bit AVR | 8-bit AVR | 8-bit AVR | 8-bit AVR | 8-bit AVR | 8-bit AVR | 8-bit AVR | 8-bit AVR | 8-bit AVR | 8-bit AVR |
| CRC | No | No | No | No | No | No | No | No | No | No | No |
| Class B Hardware | No | No | No | No | No | No | No | No | No | No | No |
| Emulated EEPROM in Flash | 512 | 512 | 512 | 512 | 512 | 512 | 512 | 512 | 512 | 512 | 512 |
| High Voltage Capable | No | No | No | No | No | No | No | No | No | No | No |
| I2C | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Internal Oscillator | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Internal Voltage Reference, Bandgap | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Lead Count | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 28 | 28 |
| Math Accelerator | No | No | No | No | No | No | No | No | No | No | No |
| Max 16-Bit Digital Timers | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Max 8-Bit Digital Timers | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Max ADC Resolution, Bits | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Max CPU Speed, MHz | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Max PWM outputs, including complementary | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Number of Comparators | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Operation Voltage Max, V | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Operation Voltage Min, V | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 |
| Package Width | 7x7x1mm | 7x7x1mm | 7x7x1mm | 7x7x1mm | 7x7x1mm | 5x5x1mm | 5x5x1mm | 5x5x1mm | 5x5x1mm | .300in | .300in |
| Peripheral Pin Select / Pin Muxing | No | No | No | No | No | No | No | No | No | No | No |
| Pin count | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
| Program Memory Size, KB | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| SPI | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| SRAM, Bytes | 1024 | 1024 | 1024 | 1024 | 1024 | 1024 | 1024 | 1024 | 1024 | 1024 | 1024 |
| Temp Range Max | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 | 85 |
| Temp Range Min | -40 | -40 | -40 | -40 | -40 | -40 | -40 | -40 | -40 | -40 | -40 |
| UART | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Zero Cross detect | No | No | No | No | No | No | No | No | No | No | No |
Model Line
Series: ATmega8A (11)
Manufacturer's Classification
- Microcontrollers > 8-bit Microcontrollers
