ATMEGA329P-20AN vs ATMEGA329P-20ANR Comparison
Detailed side-by-side comparison of ATMEGA329P-20AN by Microchip Technology and ATMEGA329P-20ANR 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
ATMEGA329P-20AN - 8-bit AVR MCU 32KB Flash 64-TQFP | Microchip
ATMEGA329P-20AN β ActiveMicrochip Technology
ATMEGA329P-20ANR - 8-bit AVR MCU 32KB Flash 20MHz 64-TQFP | Microchip
ATMEGA329P-20ANR β ActiveSpecification Comparison
| Parameter | ATMEGA329P-20AN | ATMEGA329P-20ANR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $2.95 | $4.30 |
| Core Architecture | AVR 8-bit RISC | AVR 8-bit RISC |
| Program Memory (Flash) | 32 KB | β |
| SRAM | 2 KB | β |
| EEPROM | 1 KB | β |
| Maximum CPU Speed | 20 MHz (20 MIPS) | 20 MHz |
| Supply Voltage (Vcc) | 2.7 V to 5.5 V | β |
| Operating Temperature | -40C to +105C | β |
| Package | 64-pin TQFP (14x14 mm, 0.8 mm pitch) | 64-TQFP (14x14 mm) |
| Number of I/O Pins | [DATA_NEEDED: total I/O pin count] | 54 |
| Communication Interfaces | SPI, UART/USART, USI | USART, SPI (Master/Slave), TWI (I2C) |
| LCD Controller | Integrated (supports up to 4x25 segments) | β |
| Timers/Counters | 4 (with compare modes, PWM) | Two 8-bit, One 16-bit |
| ADC | [DATA_NEEDED: ADC channels and resolution] | 8-channel, 10-bit |
| Instruction Set | 131 instructions, most single-cycle | β |
| Power-Saving Modes | 6 software-selectable modes | β |
| In-System Programming | Yes (SPI-based ISP) | β |
| RoHS Status | Compliant (Green) | β |
| Mounting Type | Surface Mount | Surface Mount |
| Program Memory Type | β | Flash (In-System Programmable) |
| Program Memory Size | β | 32 KB (16K x 16) |
| SRAM Size | β | 2 KB |
| EEPROM Size | β | 1 KB |
| MIPS Throughput | β | 16 MIPS (up to 20 MHz) |
| Supply Voltage Range | β | 1.8 V to 5.5 V |
| Operating Temperature Range | β | -40 C to +105 C |
| Number of General-Purpose Registers | β | 32 |
| Debug Interface | β | JTAG |
| Lead-Free / RoHS | β | Compliant |