Datasheet Microchip ATMEGA128A-AU

ManufacturerMicrochip
SeriesATmega128A
Part NumberATMEGA128A-AU

The high-performance, low-power Microchip 8-bit AVR RISC-based microcontroller combines 128KB flash memory with read-while-write capabilities, 4KB EEPROM, 4KB SRAM, 53 general purpose I/O lines, 32 general purpose working registers, real time counter, four flexible timer/counters with compare modes and PWM, two USARTs , a byte oriented Two-wire serial interface, an 8-channel/10-bit A/D converter with optional differential input stage with programmable gain, programmable watchdog timer with internal oscillator, SPI serial port, a JTAG (IEEE 1149

Datasheets

ATmega128A - Complete Datasheet
PDF, 5.9 Mb, File published: Dec 10, 2016
Extract from the document
ATmega128A - Summary Datasheet
PDF, 299 bytes, File published: Dec 10, 2016

Prices

Packaging

PackageTQFP

Parametrics

ADC Input8
ADC with ComputationNo
Angular TimerNo
Architecture8
CPU Type8-bit AVR
CRCNo
Class B HardwareNo
Emulated EEPROM in Flash4096
High Voltage CapableNo
I2C1
Internal OscillatorYes
Internal Voltage ReferenceYes Bandgap
Lead Count64
Math AcceleratorNo
Max 16-Bit Digital Timers2
Max 8-Bit Digital Timers2
Max ADC Resolution10 Bits
Max CPU Speed16 MHz
Max PWM outputs6 including complementary
Number of Comparators1
Operation Voltage Max5.5 V
Operation Voltage Min2.7 V
Package Width14x14x1mm
Peripheral Pin Select / Pin MuxingNo
Pin count64
Program Memory Size128 KB
SPI1
SRAM4096 Bytes
Temp Range Max85
Temp Range Min-40
UART2
Zero Cross detectNo

Model Line

Manufacturer's Classification

  • Microcontrollers > 8-bit Microcontrollers

Other Names:

ATMEGA128AAU, ATMEGA128A AU

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