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  Microchip Technology Semiconductor Electronic Components Datasheet  

ATmega324PA Datasheet

CMOS 8-bit microcontrollers

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ATmega164A/PA/324A/PA/644A/PA/1284/P
Introduction
megaAVR® Data Sheet
The ATmega164A/PA/324A/PA/644A/PA/1284/P is a low power, CMOS 8-bit microcontrollers based on the
AVR® enhanced RISC architecture. The ATmega164A/PA/324A/PA/644A/PA/1284/P is a 40/49-pins device
ranging from 16 KB to 128 KB Flash, with 1 KB to 16 KB SRAM, 512 Bytes to 4 KB EEPROM. By executing
instructions in a single clock cycle, the devices achieve CPU throughput approaching one million instruc-
tions per second (MIPS) per megahertz, allowing the system designer to optimize power consumption ver-
sus processing speed.
Features
High-performance, low-power 8-bit AVR® Microcontroller
Advanced RISC architecture
131 powerful Instructions – most single-clock cycle execution
32 × 8 general purpose working registers
Fully static operation
Up to 20MIPS throughput at 20MHz
On-chip 2-cycle multiplier
High endurance non-volatile memory segments
16/32/64/128KBytes of In-System Self-programmable Flash program memory
512/1K/2K/4KBytes EEPROM
1/2/4/16KBytes 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
QTouch® Library Support
Capacitive touch buttons, sliders and wheels
QTouch and QMatrix™ acquisition
Up to 64 sense channels
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
2020 Microchip Technology Inc.
Data Sheet Complete
DS40002070B-page 1


  Microchip Technology Semiconductor Electronic Components Datasheet  

ATmega324PA Datasheet

CMOS 8-bit microcontrollers

No Preview Available !

ATmega164A/PA/324A/PA/644A/PA/1284/P
Peripheral Features
Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes
One/two 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 1×, 10× or 200×
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 - 4MHz @ 1.8 - 5.5V
0 - 10MHz @ 2.7 - 5.5V
0 - 20MHz @ 4.5 - 5.5V
Power Consumption at 1MHz, 1.8V, 25C
Active: 0.4mA
Power-down Mode: 0.1µA
Power-save Mode: 0.6µA (Including 32kHz RTC)
Note: 1. See “Data retention” on page 17 for details.
2020 Microchip Technology Inc.
Data Sheet Complete
DS40002070B-page 2


Part Number ATmega324PA
Description CMOS 8-bit microcontrollers
Maker Microchip
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ATmega324PA Datasheet PDF






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