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ATMEGA128A_10 Datasheet, PDF (1/22 Pages) ATMEL Corporation – 8-bit Microcontroller with 128K Bytes In-System Programmable Flash | |||
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Features
⢠High-performance, Low-power AVR® 8-bit Microcontroller
⢠Advanced RISC Architecture
â 133 Powerful Instructions â Most Single Clock Cycle Execution
â 32 x 8 General Purpose Working Registers + Peripheral Control Registers
â Fully Static Operation
â Up to 16 MIPS Throughput at 16 MHz
â On-chip 2-cycle Multiplier
⢠High Endurance Non-volatile Memory segments
â 128K Bytes of In-System Self-programmable Flash program memory
â 4K Bytes EEPROM
â 4K Bytes Internal SRAM
â Write/Erase cycles: 10,000 Flash/100,000 EEPROM
â Data retention: 20 years at 85°C/100 years at 25°C(1)
â Optional Boot Code Section with Independent Lock Bits
In-System Programming by On-chip Boot Program
True Read-While-Write Operation
â Up to 64K Bytes Optional External Memory Space
â Programming Lock for Software Security
â SPI Interface for In-System Programming
⢠JTAG (IEEE std. 1149.1 Compliant) Interface
â Boundary-scan Capabilities According to the JTAG Standard
â Extensive On-chip Debug Support
â Programming of Flash, EEPROM, Fuses and Lock Bits through the JTAG Interface
⢠Peripheral Features
â Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes
â Two Expanded 16-bit Timer/Counters with Separate Prescaler, Compare Mode and
Capture Mode
â Real Time Counter with Separate Oscillator
â Two 8-bit PWM Channels
â 6 PWM Channels with Programmable Resolution from 2 to 16 Bits
â Output Compare Modulator
â 8-channel, 10-bit ADC
8 Single-ended Channels
7 Differential Channels
2 Differential Channels with Programmable Gain at 1x, 10x, or 200x
â Byte-oriented Two-wire Serial Interface
â Dual Programmable Serial USARTs
â Master/Slave SPI Serial Interface
â Programmable Watchdog Timer with On-chip Oscillator
â On-chip Analog Comparator
⢠Special Microcontroller Features
â Power-on Reset and Programmable Brown-out Detection
â Internal Calibrated RC Oscillator
â External and Internal Interrupt Sources
â Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby,
and Extended Standby
â Software Selectable Clock Frequency
â ATmega103 Compatibility Mode Selected by a Fuse
â Global Pull-up Disable
⢠I/O and Packages
â 53 Programmable I/O Lines
â 64-lead TQFP and 64-pad QFN/MLF
⢠Operating Voltages
â 2.7 - 5.5V
⢠Speed Grades
â 0 - 16 MHz
8-bit
Microcontroller
with 128K Bytes
In-System
Programmable
Flash
ATmega128A
Summary
Rev. 8151GSâAVRâ07/10
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