ATMEGA324PA-MCHR vs ATMEGA324PA-CU Comparison
Detailed side-by-side comparison of ATMEGA324PA-MCHR by Microchip Technology and ATMEGA324PA-CU 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
ATMEGA324PA-MCHR
ATMEGA324PA-MCHR - 8-bit AVR MCU 32KB Flash 20MHz | Microchip
ATMEGA324PA-MCHR β ActiveMicrochip Technology
ATMEGA324PA-CU
ATMEGA324PA-CU - 8-bit AVR MCU 32KB Flash 20MHz VFBGA-49 | Microchip
ATMEGA324PA-CU β ActiveSpecification Comparison
| Parameter | ATMEGA324PA-MCHR | ATMEGA324PA-CU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.55 | $2.45 |
| Core Processor | AVR | β |
| Core Size | 8-Bit | β |
| Speed | 20 MHz | β |
| Flash Memory Size | 32 KB (16K x 16) | β |
| EEPROM Size | 1 KB | β |
| SRAM Size | 2 KB | β |
| Number of I/O | 32 | β |
| General Purpose Registers | 32 | β |
| Supply Voltage | 2.5 V / 3.3 V / 5 V | 2.5 V / 3.3 V / 5 V |
| Instructions | 131 instructions, most single-cycle execution | β |
| MIPS per MHz | Up to 1 MIPS/MHz | β |
| Package | 44-QFN (5x5 mm) with exposed pad | 49-VFBGA (5x5 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | β |
| Programming | ICSP in-system programmable Flash with read-while-write | In-System Programmable (ISP), read-while-write |
| Low Power Technology | picoPower | β |
| Debug / Scan | JTAG (on-chip debug and boundary scan) | β |
| Life Cycle Stage | ACTIVE | β |
| Core Architecture | β | 8-bit AVR enhanced RISC |
| Flash Memory | β | 32 KB (16K x 16) ISP Flash |
| EEPROM | β | 1 KB |
| SRAM | β | 2 KB |
| Maximum Clock Frequency | β | 20 MHz |
| I/O Lines | β | 32 |
| General Purpose Working Registers | β | 32 |
| Instruction Set | β | 131 instructions, most single-cycle |
| Timers/Counters | β | 3 with compare modes and PWM |
| USART | β | 2 |
| Serial Interface | β | TWI (I2C-compatible), byte-oriented |
| ADC | β | 8-channel, 10-bit |
| Low-Power Technology | β | picoPower |
| Lifecycle Stage | β | ACTIVE |