ATMEGA324PV-10MUR - 8-bit AVR MCU 32KB 10MHz 1.8V | Microchip
부품 번호: ATMEGA324PV-10MUR ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $2.16 | $2.16 |
| 10 | $2.05 | $20.50 |
| 100 | $1.86 | $186.00 |
| 500 | $1.68 | $840.00 |
| 1,000 | $1.52 | $1,520.00 |
ATMEGA324PV-10MUR 개요
An 8-bit AVR microcontroller is a Harvard-architecture RISC processor that executes most instructions in a single clock cycle, positioning it within the broader hierarchy of embedded processing ICs: microcontroller -> 8-bit MCU -> AVR family -> ATmega series. MCUs of this class integrate program memory, data memory, timers, and communication peripherals on a single die, replacing multi-chip solutions in cost- and power-sensitive designs.
Key features include read-while-write flash operation for in-system self-programming, 131 powerful instructions mostly executed in one cycle, a 10-bit ADC with up to 8 channels, two flexible 8-bit timers and one 16-bit timer with compare modes and PWM, and two USARTs plus byte-oriented Two-Wire Interface (I2C) and SPI serial ports. The picoPower technology delivers very low power consumption in sleep modes, making it well suited to battery applications, and the -V suffix supports a wide 1.8V to 5.5V supply range.
Technically, the advanced RISC architecture pairs 32 general-purpose working registers directly with the ALU, allowing a single instruction to execute in one clock cycle and achieving throughputs approaching 1 MIPS per MHz - at 10MHz roughly 10 MIPS. The real-time counter and power management modes (idle, power-down, power-save) enable duty-cycled designs with microamp-level sleep currents.
Typical applications include industrial sensor nodes and low-voltage battery-powered instruments that exploit the 1.8V operation, consumer appliance control boards using the dual USART and PWM motor-control timers, and embedded systems requiring in-field firmware upgrade via ISP flash read-while-write.
Design consideration: the 10MHz speed grade limits the clock versus the faster ATMEGA324P-20MUR, so verify timing headroom for UART baud rates and PWM resolution before selecting the -V variant.
This page adds value beyond the datasheet by synthesizing drop-in family cross-references, distributor pricing, and practical design notes in one AI-searchable reference.
드롭인 대체품: ATMEGA324PV-10MUR — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: ATMEGA324PV-10MUR (동일 폼 팩터 및 풋프린트) — 차이점: Package, RoHS Status, Timers/Counters, Maximum Clock Frequency, General Purpose I/O.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
ATMEGA324PV-10MU
✅ 드롭인✓ 재고 있음
$5.98 / 개
데이터시트 보기 →ATMEGA324P-20MUR
✅ 드롭인✓ 재고 있음
$1.86 / 개
데이터시트 보기 →ATMEGA324PA-MU
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$2.05 / 개
데이터시트 보기 →ATMEGA324PA-MCHR
✅ 드롭인✓ 재고 있음
$2.55 / 개
데이터시트 보기 →ATMEGA644PV-10MU
✅ 드롭인 ⚠️ 사양 미검증✓ 재고 있음
$4.88 / 개
데이터시트 보기 →ATMEGA324PV-10MUR 최대 정격 & 전기적 특성
| Core Architecture | 8-bit AVR RISC |
| Program Memory Size | 32 KB (16K x 16) Flash |
| EEPROM Size | 1 KB |
| SRAM Size | 2 KB |
| 최대 클록 주파수 | 10 MHz |
| Supply Voltage Range | 1.8 V to 5.5 V |
| General Purpose I/O | 32 I/O lines |
| Timers/Counters | Two 8-bit, one 16-bit with compare modes and PWM |
| Communication Interfaces | 2x USART, SPI, TWI (I2C) |
| ADC Resolution | 10-bit |
| 패키지 | 44-VQFN (7x7 mm) Exposed Pad |
| 실장 유형 | Surface Mount |
| Series | AVR ATmega picoPower |
| Low Power Technology | picoPower |
| 수명 주기 상태 | ACTIVE (newer device available: ATMEGA324PA) |
ATMEGA324PV-10MUR 44-vqfn (7x7 mm) exposed pad 핀 구성 가이드
ATMEGA324PV-10MUR(44-vqfn (7x7 mm) exposed pad 패키지)의 핀 구성입니다. 이 디지털 IC에는 GPIO, 통신 인터페이스(UART, SPI, I2C), 전원 핀이 포함되어 있습니다. 대체 핀 기능과 구성 옵션은 제조사 데이터시트를 참조하십시오. 임베디드 시스템 설계와 PCB 레이아웃에 필수적입니다.
다음에 대한 상세 핀아웃 데이터 없음: ATMEGA324PV-10MUR.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
ATMEGA324PV-10MUR 적합 용도: 6 애플리케이션s: Battery-Powered Sensor Nodes, Industrial Control and Automation, Consumer Appliance Controllers, Portable Medical and Health Devices, Embedded Networking and Gateways, Hobby, Education, and Prototyping.
Battery-Powered Sensor Nodes
The ATMEGA324PV-10MUR fits battery-powered sensor nodes because its 1.8V to 5.5V supply range allows direct operation from two alkaline cells or one lithium cell without a boost converter, and picoPower sleep modes cut standby current to microamp levels. In a typical node, the MCU wakes from power-save mode via the real-time counter, reads a sensor over TWI (I2C) or the 10-bit ADC, computes at 10MHz, and transmits through a USART-connected radio. Placing a 100nF ceramic cap at each VCC pin and using the internal RC oscillator during idle periods keeps the power budget minimal. Unlike higher-speed MCUs, the 10MHz grade lowers dynamic current, extending field battery life in duty-cycled designs.
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Industrial Control and Automation
In industrial control boards, the ATMEGA324PV-10MUR's 32 I/O lines drive relays and read limit switches, while its two USARTs link a human-machine interface and an RS-485 transceiver simultaneously. The 16-bit timer generates PWM for motor or heater control with 10MHz clock resolution, and the 10-bit ADC samples analog setpoint inputs across 8 channels on PORTA. The 32KB flash with read-while-write enables in-field firmware updates without stopping the control loop. Operating from a 5V industrial rail with headroom for brownouts, the device tolerates noisy environments when VCC is decoupled with 100nF caps and the ADC reference is filtered at AREF. Its wide voltage range also supports 3.3V logic coexistence on mixed boards.
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Consumer Appliance Controllers
Consumer appliances - coffee machines, air purifiers, small HVAC units - use the ATMEGA324PV-10MUR as the main controller because it integrates everything needed on one chip: two USARTs for display modules and external EEPROM, TWI for touch or sensor front-ends, and multiple PWM outputs for fan and motor speed control. The 32KB flash holds UI logic plus OTA-updatable parameters, while 1KB EEPROM stores calibration and user settings across power cycles. Running from a 5V linear-derived supply, the 10MHz clock delivers roughly 10 MIPS, ample for button scanning, display refresh, and PID control. The VQFN-44 exposed-pad package gives good thermal and ground performance in compact, cost-sensitive PCBs.
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Portable Medical and Health Devices
Portable health monitors benefit from the ATMEGA324PV-10MUR's combination of low-voltage operation and measurement peripherals. The 10-bit ADC with up to 8 channels digitizes physiological sensor bridges, the TWI bus reads digital temperature or pulse-oximeter front-ends, and a USART streams data to a Bluetooth module. PicoPower power-down mode preserves settings while the device waits between measurement intervals, and operation down to 1.8V sustains functionality as the battery discharges - critical for devices that must warn before shutdown. The 32KB flash supports signal-processing routines such as digital filtering, and the 16-bit timer provides precise sample-interval generation. Designers should budget analog front-end noise filtering ahead of the ADC for clinical-grade resolution.
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Embedded Networking and Gateways
With two independent USARTs plus SPI and TWI on one chip, the ATMEGA324PV-10MUR serves as a low-cost protocol gateway: for example, translating between an RS-485 field bus on USART0 and a wireless module on USART1, or bridging SPI peripherals to a TWI sensor network. The 2KB SRAM buffers packet payloads, and 32KB flash holds dual protocol stacks with room for a bootloader enabling field updates. At 10MHz the AVR core handles 9600-115200 baud streams on both ports concurrently with modest interrupt load. Developers should enable the USART frame-error flags and use ring buffers to prevent overrun during burst traffic. The 5V-tolerant I/O simplifies interfacing with legacy industrial transceivers.
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Hobby, Education, and Prototyping
The ATmega324 family is a staple in education and prototyping because the AVR architecture is well documented, supported by Arduino-compatible cores and open toolchains, and programmed with inexpensive ISP hardware. The ATMEGA324PV-10MUR's 44-pin VQFN offers the largest I/O count in the class (32 lines), four ports for simultaneous LCD, keypad, and motor experiments, and dual USARTs so one port can host debug logging while the other runs project firmware. Its 1.8V operation teaches real-world power design concepts, and read-while-write flash supports bootloader-based iteration without a dedicated programmer. For students soldering by hand, the tray-packaged ATMEGA324PV-10MU variant is easier to handle than tape-and-reel.
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추천 제품 요약
엔지니어링 참조 데이터: ATMEGA324PV-10MUR — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | ATMEGA324PV-10MU | ATMEGA324P-20MUR | ATMEGA324PA-MU | ATMEGA644PV-10MU |
|---|---|---|---|---|---|
| Package | 44-VQFN (7x7 mm) Exposed Pad | 44-VQFN (7x7 mm) - same | 44-VQFN (7x7 mm) - same | 44-VQFN (7x7 mm) - same | 44-VQFN (7x7 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32 KB | 32 KB | 32 KB | 32 KB | 64 KB |
| SRAM | 2 KB | 2 KB | 2 KB | 2 KB | 4 KB |
| Max Clock Frequency | 10 MHz | 10 MHz | 20 MHz | 20 MHz | 10 MHz |
| GPIO Count | 32 | 32 | 32 | 32 | 32 |
| Lifecycle / Recommendation | Active; newer ATMEGA324PA available | Active; tray variant | Active; 20MHz grade | Active; recommended for new designs | Active; higher-memory option |
주요 차별점
- Widest supply range in the ATmega324 family (vs ATMEGA324P-20MUR)
- Best sourcing continuity via family cross-references (vs ATMEGA324PV-10MU)
- picoPower low-power technology (vs ATMEGA324PA-MU)
설계 노트
Decouple all VCC pins with 100nF ceramic capacitors placed within 5 mm of each pin, plus one 4.7uF-10uF bulk capacitor per supply domain. When using the 1.8V low end of the range, derate the clock frequency per the AVR frequency-vs-voltage curve - running 10MHz below roughly 2.7V violates the safe operating region. Estimated: at 10MHz and 5V with typical active current, a sleep-dominant duty cycle of 1% active reduces average consumption approximately 100x versus continuous operation.
Connect the VQFN exposed pad to a solid ground plane with an array of thermal vias; this is both the main thermal path and the ground return for the ADC and USARTs. Keep the analog supply (AVCC) filtered through an LC or ferrite bead from the digital rail, and route AREF with a 100nF capacitor to AGND away from switching traces. Place the crystal within 10 mm of XTAL1/XTAL2 with short guard traces and a local ground ring.
Do not run the external crystal above the 10MHz speed grade of this -10 suffix part; the faster ATMEGA324P-20MUR must be used for 16-20MHz designs. Verify that ISP programming does not conflict with SPI bus peripherals (hold SS high during reset). Also note lifecycle risk: digchip marks ATMEGA324PV with 'newer device available ATMEGA324PA' - qualify the ATMEGA324PA-MU as second source in new designs to avoid future sourcing gaps.
규정 준수 정보
Compliance status not explicitly stated in the retrieved web data; verify against the official Microchip product page and its environmental data. Not an automotive AEC-Q100 part.