8-bit AVR Microcontroller with 128K Bytes In-System Programmable Flash
Features
• High-performance, Low-power AVR® 8-bit Microcontroller
• Advanced RISC Architecture
- 133 Powerful Instructions -Most Single Clock Cycle Execution
- 32 x 8 General Purpose Working Registers +■ Peripheral Control Registers
- Fully Static Operation
- Up to 16 MIPS Throughput at 16 MHz
- On-chip 2-cycle Multiplier
• Nonvolatile Program and Data Memories
- 128K Bytes of In-System Reprogrammable Flash
Endurance: 10,000 Write/Erase Cycles
- Optional Boot Code Section with Independent Lock Bits
In-System Programming by On-chip Boot Program True Read-While-Write Operation
- 4K Bytes EEPROM
Endurance: 100,000 Write/Erase Cycles
- 4K Bytes Internal SRAM
- Up to 64K Bytes Optional External Memory Space
- Programming Lock for Software Security
- SPI Interface for In-System Programming
• JTAG(IEEEstd. 1149.1 Compliant) Interface
- Boundary-scan Capabilities According to the JTAG Standard
- Extensive On-chip Debug Support
- Programming of Flash, EEPROM, Fuses and Lock Bits through the JTAG Interface
• Peripheral Features
- Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes
- Two Expanded 16-bit Timer/Counters with Separate Prescaler, Compare Mode and Capture Mode
- Real Time Counter with Separate Oscillator
- Two 8-bit PWM Channels
- 6 PWM Channels with Programmable Resolution from 2 to 16 Bits
- Output Compare Modulator
- 8-channel, 10-bit ADC
8 Single-ended Channels
7 Differential Channels
2 Differential Channels with Programmable Gain at 1x, 10x, or 200x
- Byte-oriented Two-wire Serial Interface
- Dual Programmable Serial USARTs
- Master/Slave SPI Serial Interface
- Programmable Watchdog Timer with On-chip Oscillator
- On-chip Analog Comparator
• Special Microcontroller Features
- Power-on Reset and Programmable Brown-out Detection
- Internal Calibrated RC Oscillator
- External and Internal Interrupt Sources
- Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby
- Software Selectable Clock Frequency
- АТтедаЮЗ Compatibility Mode Selected by a Fuse
- Global Pull-up Disable
• I/O and Packages
- 53 Programmable I/O Lines
- 64-lead TQFP and 64-pad MLF
• Operating Voltages
- 2.7 - 5.5V for ATmega128L
- 4.5 - 5.5V for ATmegal28
• Speed Grades
- 0 - 8 MHz for ATmega128L -0-16 MHz for ATmegal 28
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