Texas Instruments MSP430FR5969 16 位混合信号微控制器

德州仪器 MSP430FR5969 位混合信号微控制器是 MSP430 MCU，带一个 16 通道模拟比较器、12 位模数转换器 (ADC)、增强通用串行通信接口、 5 个 16 位定时器（每个带多达 7 个捕获/比较寄存器）、 32 位硬件乘法器、3 通道内部 DMA 以及带日历和报警功能的实时时钟（RTC）。MSP430FR5969 基于一个超低功耗（ULP）FRAM 平台，该平台将嵌入式 FRAM 和整体超低功耗系统架构组合在一起，从而使得设计人员能够以较低的能源预算提高性能。特性包括嵌入式微控制器 16 位精简指令集计算机 (RISC) 架构、 1.8V 到 3.6V 的宽幅电源电压范围、经优化的超低功耗模式、高达 64KB 的非易失性存储器、 125ns 写入一字（4ms 写入 64KB）的超低功耗写入，以及高达 40 个多功能输入输出端口。 MSP430FR5969 16 位混合信号微控制器经过优化，可在电能关键应用中起到延长电池使用时间的作用，因此特别适合电表、能源采集传感器节点、可穿戴电子设备、传感器管理、数据记录等应用。

Features include an embedded microcontroller 16-bit RISC architecture, a wide supply voltage range of 1.8V to 3.6V, optimized ultra-low power modes, up to 64KB of nonvolatile memory, ultra-low power writes with speeds up to 125ns per word (64KB in 4ms), and up to 40 multifunction input/output ports. Optimized to achieve extended battery life in energy-challenged applications, the MSP430FR5969 16-bit Mixed-Signal Microcontroller is ideal for metering, energy harvested sensor nodes, wearable electronics, sensor management, and data logging.

特性

Embedded Microcontroller
- 16-Bit RISC Architecture up to 16‑MHz Clock
- Wide Supply Voltage Range(1.8V to 3.6V)
Optimized Ultra-Low Power Modes
- Active Mode: Approximately 100µA/MHz
- Standby (LPM3 With VLO): 0.4µA (Typical)
- Real-Time Clock (LPM3.5): 0.25µA (Typical)
- Shutdown (LPM4.5): 0.02µA (Typical)
Ultra-Low-Power Ferroelectric RAM (FRAM)
- Up to 64KB of Nonvolatile Memory
- Ultra-Low-Power Writes
- Fast Write at 125ns Per Word (64KB in 4ms)
- Unified Memory = Program + Data + Storage in One Single Space
- 10¹⁵ Write Cycle Endurance
- Radiation Resistant and Nonmagnetic
Intelligent Digital Peripherals
- 32-Bit Hardware Multiplier (MPY)
- Three-Channel Internal DMA
- Real-Time Clock (RTC) With Calendar and Alarm Functions
- Five 16-Bit Timers With up to Seven Capture/Compare Registers Each
- 16-Bit Cyclic Redundancy Checker (CRC)
- High-Performance Analog
- 16-Channel Analog Comparator
- 12-Bit Analog-to-Digital Converter (ADC) With Internal Reference and Sample-and-Hold and up to 16 External Input Channels

Multifunction Input/Output Ports
- All Pins Support Capacitive Touch Capability With No Need for External Components
- Accessible Bit-, Byte-, and Word-Wise (in Pairs)
- Edge-Selectable Wake From LPM on All Ports
- Programmable Pullup and Pulldown on All Ports
Code Security and Encryption
- 128-Bit or 256-Bit AES Security Encryption and Decryption Coprocessor
- Random Number Seed for Random Number Generation Algorithms
Enhanced Serial Communication
- eUSCI_A0 and eUSCI_A1 Support
  - UART With Automatic Baud-Rate Detection
  - IrDA Encode and Decode
  - SPI at Rates up to 10Mbps
- eUSCI_B0 Supports
  - I²C With Multiple Slave Addressing
  - SPI at Rates up to 8Mbps
- Hardware UART and I²C Bootstrap Loader (BSL)
Flexible Clock System
- Fixed-Frequency DCO With 10 Selectable Factory-Trimmed Frequencies
- Low-Power Low-Frequency Internal Clock Source (VLO)
- 32-kHz Crystals (LFXT)
- High-Frequency Crystals (HFXT)