MSP430F447IPZ - 8MHz 16-Bit MCU with 32KB Flash | Texas Instruments
부품 번호: MSP430F447IPZ ✓ 활성MSP430F447IPZ 개요
A mixed-signal microcontroller integrates a digital processor with analog conversion and comparison functions on one device. The MSP430 architecture belongs to the microcontroller, embedded processor, and semiconductor hierarchy, while its ADC, comparator, serial interfaces, and LCD driver make it especially useful for battery-powered instruments, panel meters, and industrial sensing equipment.
Key features include an 8 MHz maximum clock, 32KB Flash organized as 32K x 8 plus 256 bytes, 1KB SRAM, a 12-bit ADC, an internal comparator, SPI and UART connectivity, and support for up to 160 LCD segments. These resources allow firmware to combine acquisition, signal conditioning, display driving, and serial communication without requiring several discrete devices.
The MSP430 CPU uses a 16-bit RISC architecture with 16-bit registers and constant generators. Its mixed-signal peripherals support sampled data acquisition and threshold comparison, while the LCD controller reduces the external display-driver burden for segmented instruments. The manufacturer describes the family as optimized for low-power portable measurement applications, with five low-power modes available for duty-cycled operation.
Typical uses include digital multimeters, environmental monitors, portable industrial meters, panel instruments, and connected measurement equipment. The combination of 32KB Flash, 1KB SRAM, ADC, comparator, UART, SPI, and segmented LCD support is particularly useful when a compact embedded design must collect analog measurements, apply thresholds, update a local display, and exchange data with a host.
Designers should allocate pins and firmware carefully for LCD segments, analog inputs, serial interfaces, and mixed-signal grounding. Follow the pin-description table in the manufacturer datasheet when assigning tracks, and keep analog and digital return currents separated where the application board layout permits. Verify the operating voltage, temperature grade, and peripheral configuration for the exact ordering code before production release.
This product page combines the device specifications, pin-package information, functional alternatives, and engineering-oriented comparison notes to support faster component selection and board-level planning.
드롭인 대체품: MSP430F447IPZ — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: MSP430F447IPZ (동일 폼 팩터 및 풋프린트) — 차이점: Flash Memory, ADC Resolution, Package, SRAM, Operating Temperature Range.
MSP430F447IPZR
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MSP430F449IPZ
✅ 드롭인가격 문의
데이터시트 보기 →MSP430F449IPZR
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
MSP430F448IPZ
✅ 드롭인가격 문의
데이터시트 보기 →MSP430F447IPZ 최대 정격 & 전기적 특성
| CPU Architecture | 16-bit RISC |
| 최대 클록 주파수 | 8 MHz |
| Flash Memory | 32KB (32K x 8 plus 256B) |
| SRAM | 1KB |
| ADC Resolution | 12-bit |
| ADC Quantity | 1 |
| Comparator Quantity | 1 |
| Serial Interface | SPI/UART |
| UART Quantity | 2 |
| LCD Segment Support | 160 segments |
| Low-Power Modes | 5 modes |
| Register Width | 16-bit |
| 패키지 | 100-LQFP (14x14 mm) |
| 실장 유형 | Surface Mount |
MSP430F447IPZ 100-lqfp (14x14 mm) 핀 구성 가이드
MSP430F447IPZ(100-lqfp (14x14 mm) 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: MSP430F447IPZ.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
MSP430F447IPZ 적합 용도: 6 애플리케이션s: Digital Multimeter, Environmental Monitoring, Industrial Panel Meter, Portable Process Meter, Battery-Powered Data Logger, Low-Power Sensor Node.
Digital Multimeter
The MSP430F447IPZ fits a handheld digital multimeter because its 12-bit ADC, comparator, 32KB Flash, and 1KB SRAM can support measurement acquisition, range decisions, calibration data, and display updates. The two UARTs provide a path for isolated communication or an accessory interface, while SPI can connect to an external memory or interface. The 160-segment LCD capability can drive a segmented instrument display without a separate high-performance display controller. Firmware should use the comparator for fast threshold actions and the ADC for measured values, while conserving the modest 1KB SRAM through compact buffers.
추천
Environmental Monitoring
The MSP430F447IPZ is appropriate for a compact environmental monitor that samples analog sensor signals, applies thresholds, records operating history, and presents measurements locally. Its 12-bit ADC provides a suitable acquisition resource for many low-frequency sensor systems, while the comparator can implement alarm thresholds without continuous software polling. The five low-power modes described by Texas Instruments support duty-cycled operation for battery deployments. The 32KB Flash stores calibration coefficients and compact event logs, and SPI can provide access to an external serial sensor or nonvolatile storage device.
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Industrial Panel Meter
The MSP430F447IPZ supports an industrial panel meter that must combine sensor acquisition, threshold alarms, local display output, and service communications. Its 160-segment LCD capability is useful for numeric and indicator graphics, while the comparator supports fast limit detection and the 12-bit ADC performs proportional measurements. Two UARTs can separate service diagnostics from an external system bus, and SPI offers additional expansion. For production equipment, validate the exact temperature range, isolation strategy, ESD protection, and EMC performance rather than relying on family-level suitability alone.
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Portable Process Meter
The MSP430F447IPZ can serve as the controller in a portable process meter for pressure, flow, or level monitoring where low power and compact display capability are priorities. The MCU combines a 16-bit processing core with a 12-bit ADC, comparator, and serial interfaces, reducing the need for separate logic devices. Its low-power operating modes permit wake, sample, display, and sleep cycles that help conserve battery energy. Firmware should keep the analog sampling path stable during LCD updates and use the UART for calibration or data logging while SPI supports higher-bandwidth expansion.
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Battery-Powered Data Logger
The MSP430F447IPZ suits a battery-powered data logger that periodically samples analog inputs, records compact events, and reports through a serial link. Its 1KB RAM requires attention to buffering, but the 32KB Flash can store firmware and limited nonvolatile records. The five low-power modes enable duty-cycled acquisition, while the comparator can detect thresholds with limited CPU involvement. If records exceed internal Flash capacity, SPI can connect to external storage. A practical design should calculate the average current from the selected active and sleep modes instead of using a single operating-current assumption.
추천
Low-Power Sensor Node
The MSP430F447IPZ is well suited to a low-power sensor node that combines local sensing, event detection, display feedback, and occasional host communication. The 12-bit ADC samples proportional sensor conditions, the comparator handles rapid threshold events, and the 160-segment LCD capability can provide local status indication where a display is present. Two UARTs support flexible device and host communication, while SPI can accommodate a radio or external memory. Low-power operation should be designed around the datasheet mode-transition and wake-up characteristics to achieve useful battery life in the field.
추천
추천 제품 요약
엔지니어링 참조 데이터: MSP430F447IPZ — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | MSP430F447IPZR | MSP430F449IPZ | MSP430F449IPZR | MSP430F448IPZ |
|---|---|---|---|---|---|
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) |
| CPU Architecture | 16-bit RISC | 16-bit RISC | 16-bit RISC | 16-bit RISC | 16-bit RISC |
주요 차별점
- Exact same-device reel option (vs MSP430F447IPZR)
- Same-package MSP430 family flexibility (vs MSP430F449IPZ)
- Integrated measurement and display resources (vs MSP430F448IPZ)
설계 노트
Use the manufacturer low-power-mode and operating-current tables to calculate average current from the actual duty cycle. Separate the acquisition, display-update, serial-communication, and sleep intervals because the 8 MHz CPU can remain active during measurement while the LCD and unused peripherals should be disabled between updates. Confirm the board's supply tolerance and regulator dropout against the exact operating-voltage limits before releasing the schematic.
Place analog input traces away from LCD segment outputs, clock-related routes, and serial switching nodes. Keep the analog reference and ADC return path compact, use a continuous ground reference beneath the analog section where practical, and route high-current return paths away from the MCU. Use the manufacturer recommended-decoupling table and place the required capacitors at the associated supply pins to limit supply disturbance during ADC sampling and LCD updates.
Do not treat the 1KB SRAM as a large general-purpose buffer. Partition memory for the stack, ADC samples, display data, and communication buffers, then measure the highest stack usage before finalizing the firmware. Likewise, verify the exact segment mapping, alternate pin functions, and peripheral conflicts for the 100-LQFP pinout; a display assignment that appears valid at the family level can conflict with ADC or serial-channel selection.
Define the analog acquisition path according to the source impedance and required sampling rate. The 12-bit ADC does not remove the need for input filtering, reference stability, source settling time, or protection ahead of the pin. Where a sensor produces a wide input range, use a suitable front-end rather than relying on software correction alone. Validate accuracy, offset, noise, and settling with the actual sensor and source resistance.
규정 준수 정보
The manufacturer datasheet provides the core technical specifications. Compliance declarations were not identified in the cited product information and should be confirmed for the exact ordering code.
