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ATMEGA32-16AJ Datasheet - Atmel

ATMEGA32-16AJ Datasheet PDF Atmel Corporation

Part Name
ATMEGA32-16AJ

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page
21 Pages

File Size
354.7 kB

MFG CO.
Atmel
Atmel Corporation GO URL

Overview
The ATmega32 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega32 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

Features
• 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 16 MIPS Throughput at 16 MHz
    – 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 85°C/100 years at 25°C(1)
    – 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
• JTAG (IEEE std. 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
    – 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
        7 Differential Channels in TQFP Package Only
        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-pin PDIP, 44-lead TQFP, and 44-pad QFN/MLF
• Operating Voltages
    – 2.7 - 5.5V for ATmega32L
    – 4.5 - 5.5V for ATmega32
• Speed Grades
    – 0 - 8 MHz for ATmega32L
    – 0 - 16 MHz for ATmega32
• Power Consumption at 1 MHz, 3V, 25°C for ATmega32L
    – Active: 1.1 mA
    – Idle Mode: 0.35 mA
    – Power-down Mode: < 1 µA

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