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在线产品描述:
德州仪器MSP430系列超低功耗微控制器由多个设备组成，这些设备具有针对不同应用的不同外设集。该架构结合五种低功耗模式进行了优化，可在便携式测量应用中实现更长的电池寿命。该器件具有功能强大的16位RISC CPU、16位寄存器和常量生成器，有助于最大限度地提高代码效率。MSP430G2x55系列是超低功耗混合信号微控制器，内置16位定时器、多达32个I/O触感引脚、多功能模拟比较器以及使用通用串行通信接口的内置通信功能。
典型应用包括低成本传感器系统，捕获模拟信号，将其转换为数字值，然后处理数据以显示或传输到主机系统。
典型应用包括低成本传感器系统，捕获模拟信号，将其转换为数字值，然后处理数据以显示或传输到主机系统。
产品特性:
- Low Supply-Voltage Range: 1.8 V to 3.6 V
- Ultra-Low Power Consumption
- Active Mode: 250 µA at 1 MHz, 2.2 V
- Standby Mode: 0.7 µA
- Off Mode (RAM Retention): 0.1 µA
- Five Power-Saving Modes
- Ultra-Fast Wake-Up From Standby Mode in Less Than 1 µs
- 16-Bit RISC Architecture, 62.5-ns Instruction Cycle Time
- Basic Clock Module Configurations
- Internal Frequencies up to 16 MHz With Four Calibrated Frequency
- Internal Very-Low-Power Low-Frequency (LF) Oscillator
- 32-kHz Crystal
- High-Frequency (HF) Crystal up to 16 MHz
- External Digital Clock Source
- External Resistor
- Two 16-Bit Timer_A With Three Capture/Compare Registers
- One 16-Bit Timer_B With Three Capture/Compare Registers
- Up to 32 Touch-Sense-Enabled I/O Pins
- Universal Serial Communication Interface (USCI)
- Enhanced UART Supporting Auto Baudrate Detection (LIN)
- IrDA Encoder and Decoder
- Synchronous SPI
- I2C™
- On-Chip Comparator for Analog Signal Compare Function or Slope Analog-to-Digital (A/D) Conversion
- 10-Bit 200-ksps Analog-to-Digital (A/D) Converter With Internal Reference, Sample-and-Hold, and Autoscan
- Brownout Detector
- Serial Onboard Programming, No External Programming Voltage Needed, Programmable Code Protection by Security Fuse
- Bootstrap Loader
- On-Chip Emulation Logic
- Package Options
- TSSOP: 38 Pin (DA)
- QFN: 40 Pin (RHA)
非易失性存储器(kB)32
RAM(KB)4
ADC10-bitSAR
GPIO数量32
特性Spy-bi-wire,看门狗定时器,实时时钟
UART1
USBNo
I2Cs数量1
SPI2
比较器通道数量8
370791121
2119841551