鈥?/div>
Advanced RISC Architecture
鈥?133 Powerful Instructions 鈥?Most Single Clock Cycle Execution
鈥?32 x 8 General Purpose Working Registers + Peripheral Control Registers
鈥?Fully Static Operation
鈥?Up to 16 MIPS Throughput at 16 MHz
鈥?On-chip 2-cycle Multiplier
Nonvolatile Program and Data Memories
鈥?128K Bytes of In-System Reprogrammable Flash
Endurance: 1,000 Write/Erase Cycles
鈥?Optional Boot Code Section with Independent Lock Bits
In-System Programming by On-chip Boot Program
True Read-While-Write Operation
鈥?4K Bytes EEPROM
Endurance: 100,000 Write/Erase Cycles
鈥?4K Bytes Internal SRAM
鈥?Up to 64K Bytes Optional External Memory Space
鈥?Programming Lock for Software Security
鈥?SPI Interface for In-System Programming
JTAG (IEEE std. 1149.1 Compliant) Interface
鈥?Boundary-scan Capabilities According to the JTAG Standard
鈥?Extensive On-chip Debug Support
鈥?Programming of Flash, EEPROM, Fuses and Lock Bits through the JTAG Interface
Peripheral Features
鈥?Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes
鈥?Two Expanded 16-bit Timer/Counters with Separate Prescaler, Compare Mode and
Capture Mode
鈥?Real Time Counter with Separate Oscillator
鈥?Two 8-bit PWM Channels
鈥?6 PWM Channels with Programmable Resolution from 1 to 16 Bits
鈥?8-channel, 10-bit ADC
8 Single-ended Channels
7 Differential Channels
2 Differential Channels with Programmable Gain (1x, 10x, 200x)
鈥?Byte-oriented 2-wire Serial Interface
鈥?Dual Programmable Serial USARTs
鈥?Master/Slave SPI Serial Interface
鈥?Programmable Watchdog Timer with On-chip Oscillator
鈥?On-chip Analog Comparator
Special Microcontroller Features
鈥?Power-on Reset and Programmable Brown-out Detection
鈥?Internal Calibrated RC Oscillator
鈥?External and Internal Interrupt Sources
鈥?Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby
and Extended Standby
鈥?Software Selectable Clock Frequency
鈥?ATmega103 Compatibility Mode Selected by a Fuse
鈥?Global Pull-up Disable
I/O and Packages
鈥?53 Programmable I/O Lines
鈥?64-lead TQFP
Operating Voltages
鈥?2.7 - 5.5V (ATmega128L)
鈥?4.5 - 5.5V (ATmega128)
Speed Grades
鈥?0 - 8 MHz (ATmega128L)
鈥?0 - 16 MHz (ATmega128)
鈥?/div>
鈥?/div>
8-bit
Microcontroller
with 128K Bytes
In-System
Programmable
Flash
ATmega128
ATmega128L
Preliminary
Summary
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Rev. 2467AS-08/01
Note: This is a summary document. A complete document is
available on our web site at
www.atmel.com.
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