ATMEGA32A PU IC ATMEGA32 ATMEGA 32

ATMEGA32A

High-performance, Low-power AVR 8-bit Microcontroller

Advanced RISC Architecture
131 Powerful Instructions Most Single-clock Cycle Execution
32 x 8 General Purpose Working Registers
Fully Static Operation
Up to 16MIPS Throughput at 16MHz
On-chip 2-cycle Multiplier

High Endurance Non-volatile Memory segments
32K Bytes of In-System Self-programmable Flash program memory
1024 Bytes EEPROM
2K Byte Internal SRAM
Write/Erase Cycles: 10,000 Flash/100,000 EEPROM
Data retention: 20 years at 85C/100 years at 25C
Optional Boot Code Section with Independent Lock Bits
In-System Programming by On-chip Boot Program
True Read-While-Write Operation
Programming Lock for Software Security

Peripheral Features
Two 8-bit Timer/Counters with Separate Prescaler and Compare Modes
One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode
Real Time Counter with Separate Oscillator
Four PWM Channels
8-channel, 10-bit ADC
8 Single-ended Channels
2 Differential Channels with Programmable Gain at 1x, 10x, or 200x
Byte-oriented Two-wire Serial Interface
Programmable Serial USART
Master/Slave SPI Serial Interface
Programmable Watchdog Timer with Separate 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

I/O and Packages
32 Programmable I/O Lines
40-lead PDIP
Operating Voltages 2.7 - 5.5V
Speed Grades 0 - 16MHz
Power Consumption @ 1Mhz, 3V, 25C
Active: 0.6 mA
Idle Mode: 0.2 mA
Power-down Mode: < 1uA