ATMEGA328PB-AU vs ATMEGA328PB-ANR Comparison

Detailed side-by-side comparison of ATMEGA328PB-AU by Microchip Technology and ATMEGA328PB-ANR by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

Microchip Technology
ATMEGA328PB-AU ATMEGA328PB-AU - 8-Bit AVR MCU 20MHz 32KB Flash | Microchip

ATMEGA328PB-AU - 8-Bit AVR MCU 20MHz 32KB Flash | Microchip

ATMEGA328PB-AU ✓ Active
Microchip Technology
ATMEGA328PB-ANR ATMEGA328PB-ANR - 8-Bit AVR MCU 20MHz 32KB Flash TQFP-32 | Microchip

ATMEGA328PB-ANR - 8-Bit AVR MCU 20MHz 32KB Flash TQFP-32 | Microchip

ATMEGA328PB-ANR ✓ Active

Specification Comparison

Parameter ATMEGA328PB-AU ATMEGA328PB-ANR
Brand Microchip Technology Microchip Technology
Category Microcontrollers Microcontrollers
Lifecycle Status Active Active
Core Processor AVR AVR 8-bit RISC
Core Size 8-Bit 8-bit
Speed 20 MHz 20 MHz
Flash Memory 32 KB (16K x 16) 32 KB (16K x 16)
EEPROM 2 KB 2 KB
SRAM 4 KB 4 KB
General Purpose I/O 27 —
Connectivity I2C x2, SPI x2, USART x2 I2C, SPI, UART/USART
ADC Resolution 10-bit 10-bit
Number of ADC Channels 7 —
Package 32-TQFP (7 x 7 mm) 32-TQFP (7 x 7 mm)
Mounting Type Surface Mount Surface Mount
Operating Temperature -40C to +85C (Industrial) -40C to +105C
Technology picoPower, CMOS —
Safety Feature Functional Safety (FuSa) —
Programming In-System Programmable (ISP), read-while-write —
Instruction Throughput Up to 20 MIPS at 20 MHz —
Operating Voltage Range — 1.8 V to 5.5 V
Number of I/O — 27
General Purpose Working Registers — 32
USART Peripherals — 3
SPI Peripherals — 2
I2C (TWI) Peripherals — 2
Programmability — In-System Programmable (ISP), read-while-write

Datasheets & Resources

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