ATMEGA324PB-MU vs ATMEGA324P-20MUR Comparison
Detailed side-by-side comparison of ATMEGA324PB-MU by Microchip Technology and ATMEGA324P-20MUR 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
ATMEGA324PB-MU - 8-bit AVR MCU 20MHz 32KB Flash 44-VQFN | Microchip
ATMEGA324PB-MU ✓ ActiveMicrochip Technology
ATMEGA324P-20MUR - 8-bit AVR MCU 20MHz 32KB Flash | Microchip
ATMEGA324P-20MUR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA324PB-MU | ATMEGA324P-20MUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Speed | 20 MHz | — |
| Flash Memory | 32 KB (16K x 16) ISP, read-while-write | — |
| EEPROM | 1 KB | — |
| SRAM | 2 KB | — |
| Number of I/O | 39 | — |
| Timers/Counters | 5 flexible timer/counters | — |
| Connectivity | I2C, SPI, UART/USART | — |
| Touch Controller | QTouch PTC - 32 buttons self-cap, up to 256 buttons mutual-cap | — |
| Peripherals | Brown-out Detect/Reset, picoPower low-power modes | — |
| Operating Voltage | 5 V | — |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Package | 44-VQFN (7x7 mm) | 44-VQFN (7x7 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Oscillator Type | Internal (XTAL1/XTAL2 pins on PE1/PE0) | — |
| Features | Functional Safety (FuSa) supported | — |
| RoHS Status | [DATA_NEEDED: RoHS status] | — |
| Core Architecture | — | 8-bit AVR RISC |
| Program Memory Size | — | 32 KB (16K x 16) Flash |
| EEPROM Size | — | 1 KB |
| SRAM Size | — | 2 KB |
| Maximum Clock Frequency | — | 20 MHz |
| Performance | — | up to 20 MIPS at 20 MHz |
| Instructions | — | 131 powerful instructions, most single-cycle |
| Supply Voltage Range | — | 4.5 V to 5.5 V |
| General Purpose I/O | — | 32 I/O lines |
| Flash Programming | — | In-System Programmable (ISP), read-while-write |
| Low Power Technology | — | picoPower |
| Debug / Boundary Scan | — | JTAG (IEEE 1149.1) |
| Moisture Sensitivity Level | — | [DATA_NEEDED: MSL level] |
| ADC Resolution | — | [DATA_NEEDED: ADC resolution] |