ATMEGA329PV-10MNR vs ATMEGA329P-20AU Comparison
Detailed side-by-side comparison of ATMEGA329PV-10MNR by Microchip Technology and ATMEGA329P-20AU 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
ATMEGA329PV-10MNR - 8-bit AVR MCU, 32KB Flash, 10MHz | Microchip
ATMEGA329PV-10MNR β ActiveMicrochip Technology
ATMEGA329P-20AU - 20MHz 8-bit AVR MCU 32KB Flash TQFP-64
ATMEGA329P-20AU β ActiveSpecification Comparison
| Parameter | ATMEGA329PV-10MNR | ATMEGA329P-20AU |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.16 | $4.71 |
| Core Architecture | AVR 8-bit RISC | AVR (8-bit RISC, Harvard) |
| Program Memory (Flash) | 32 KB | 32 KB (16K x 16), In-System Programmable with RWW |
| SRAM | 2 KB | 2 KB (2K x 8) |
| EEPROM | 1 KB | 1 KB |
| Maximum CPU Speed | 10 MHz | β |
| Supply Voltage (Vcc) | 1.8 V to 5.5 V | 2.7 V to 5.5 V (10 MHz max below 4.5 V; 20 MHz requires 4.5-5.5 V) |
| Operating Temperature | -40C to +105C | -40C to +85C (industrial, -A suffix) |
| Package | 64-VFQFN (QFN) Exposed Pad | 64-pin TQFP (14x14 mm, 0.8 mm pitch) |
| Number of I/O Pins | 54 (approximate, from 64-pin QFN) | β |
| ADC | 10-bit, up to 8 channels | 10-bit, up to 8 single-ended channels |
| DAC | 10-bit, 1 channel | β |
| LCD Controller | Up to 4Γ25 segments | β |
| Timers | 1 Γ 16-bit + 2 Γ 8-bit | β |
| Communication Interfaces | 1Γ USART, 1Γ SPI, 1Γ TWI (IΒ²C) | β |
| Power-Saving Modes | 6 software-selectable modes | β |
| Instruction Set | 131 instructions, most single-cycle | 131 instructions, mostly single-cycle |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant (Pb-free / Green) |
| Maximum Clock Speed | β | 20 MHz |
| Throughput | β | Up to 20 MIPS at 20 MHz |
| General-Purpose I/O Pins | β | 54 |
| General-Purpose Working Registers | β | 32 |
| PWM Channels | β | 6 |
| Communication Peripherals | β | 2x USART, 1x TWI (I2C), 1x SPI (also ISP) |
| Debug Interface | β | JTAG (IEEE 1149.1 compliant) |
| Power-Save Modes | β | Idle, ADC Noise Reduction, Power-save, Power-down, Standby, Extended Standby (picoPower) |
| QTouch Support | β | Yes (peripheral touch controller via library) |