ATMEGA324PA-AU 8-bit Microcontroller with 32K Bytes In-System Programmable Flash
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 20 MIPS Throughput at 20 MHz
On-chip 2-cycle Multiplier
High Endurance Non-volatile Memory segments
32K Bytes of In-System Self-programmable Flash program memory
1K Bytes EEPROM
2K Bytes 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
Six PWM Channels
8-channel, 10-bit ADC
Differential mode with selectable gain at 1x, 10x or 200x
Byte-oriented Two-wire Serial Interface
Two Programmable Serial USART
Master/Slave SPI Serial Interface
Programmable Watchdog Timer with Separate On-chip Oscillator
On-chip Analog Comparator
Interrupt and Wake-up on Pin Change
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, 44-pad VQFN/QFN/MLF
44-pad DRQFN
49-ball VFBGA
Operating Voltages
1.8 - 5.5V
Speed Grades
0 - 20MHz @ 1.8 - 5.5V
Power Consumption at 1 MHz, 1.8V, 25°C
Active: 0.4 mA
Power-down Mode: 0.1µA
Power-save Mode: 0.6µA (Including 32 kHz RTC)
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