Rainbow Electronics ATmega161L - Manual

1
Features
• High-performance, Low-power AVR ® 8-bit Microcontroller
• Advanced RISC Architecture
– 130 Powerful Instructions – Most Single Clock Cycle Execution
– 32 x 8 General Purpose Working Registers
– Fully Static Operation
– Up to 8 MIPS Throughput at 8 MHz
– On-chip 2-cycle Multiplier
• Program and Data Memories
– 16K Bytes of Non-volatile In-System Programmable Flash Endurance: 1,000
Write/Erase Cycles
– Optional Boot Code Memory with Independent Lock bits Self-programming of
Program and Data Memories
– 512 Bytes of Non-volatile In-System Programmable EEPROM Endurance: 100,000
Write/Erase Cycles
– 1K Byte of Internal SRAM
– Programming Lock for Software Security
• Peripheral Features
– Two 8-bit Timer/Counters with Separate Prescaler and PWM
– Expanded 16-bit Timer/Counter System with Separate Prescaler, Compare,
Capture Modes and Dual 8-, 9-, or 10-bit PWM
– Dual Programmable Serial UARTs
– Master/Slave SPI Serial Interface
– Real-time Counter with Separate Oscillator
– Programmable Watchdog Timer with Separate On-chip Oscillator
– On-chip Analog Comparator
• Special Microcontroller Features
– Power-on Reset
– External and Internal Interrupt Sources
– Three Sleep Modes: Idle, Power-save and Power-down
• Power Comsumption at 4 MHz, 3.0V, 25
°C
– Active 3.0 mA
– Idle Mode 1.2 mA
– Power-down Mode < 1 µA
• I/O and Packages
– 35 Programmable I/O Lines
– 40-lead PDIP and 44-lead TQFP
• Operating Voltages
– 2.7V - 5.5V for the ATmega161L
– 4.0V - 5.5V for the ATmega161
• Speed Grades
– 0 - 4 MHz for the ATmega161L
– 0 - 8 MHz for the ATmega161
• Commercial and Industrial Temperature Ranges
Disclaimer
Typical values contained in this data sheet are based on simulations and characteriza-
tion of other AVR microcontrollers manufactured on the same process technology.
Min and Max values will be available after the device is characterized.
8-bit
Microcontroller
with 16K Bytes
of In-System
Programmable
Flash
ATmega161
ATmega161L
Rev. 1228C–AVR–08/02