MSP430F122 - 16 位超低功耗微控制器，具有 4kB 闪存、256B RAM、USART 和比较器

MSP430F122是TI德州仪器公司的一款超低功耗产品，MSP430F122是16 位超低功耗微控制器，具有 4kB 闪存、256B RAM、USART 和比较器，本站介绍了MSP430F122的封装应用图解、特点和优点、功能等，并给出了与MSP430F122相关的TI元器件型号供参考。

MSP430F122 - 16 位超低功耗微控制器，具有 4kB 闪存、256B RAM、USART 和比较器 - 超低功耗 - 低功耗MCU - 德州仪器

产品描述

The Texas Instruments MSP430 family of ultralow power microcontrollers consist of several devices featuring different sets of peripherals targeted for various applications. The architecture, combined with five low power modes is optimized to achieve extended battery life in portable measurement applications. The device features a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that attribute to maximum code efficiency. The digitally controlled oscillator (DCO) allows wake-up from low-power modes to active mode in less than 6µs.

The MSP430F12x series is an ultralow-power mixed signal microcontroller with a built-in 16-bit timer and twenty-two I/O pins.The MSP430F12x series also has a built-in communication capability using asynchronous (UART) and synchronous (SPI) protocols in addition to a versatile analog comparator.

Typical applications include sensor systems that capture analog signals, convert them to digital values, and then process the data and display them or transmit them to a host system. Stand alone RF sensor front end is another area of application. The I/O port inputs provide single slope A/D conversion capability on resistive sensors.

产品特性

Low Supply Voltage Range 1.8 V to 3.6 V
Ultralow-Power Consumption:
- Active Mode: 200 µA at 1 MHz, 2.2 V
- Standby Mode: 0.7 µA
- Off Mode (RAM Retention): 0.1 µA
Five Power Saving Modes
Wake-Up From Standby Mode in less than 6 µs
16-Bit RISC Architecture, 125 ns Instruction Cycle Time
Basic Clock Module Configurations:
- Various Internal Resistors
- Single External Resistor
- 32 kHz Crystal
- High Frequency Crystal
- Resonator
- External Clock Source
16-Bit Timer_A With Three Capture/Compare Registers
On-Chip Comparator for Analog Signal Compare Function or Slope A/D Conversion
Serial Communication Interface (USART0) Software-Selects Asynchronous UART or Synchronous SPI
Serial Onboard Programming, No External Programming Voltage Needed Programmable Code Protection by Security Fuse
Family Members Include: MSP430F122: 4KB + 256B Flash Memory 256B RAM MSP430F123: 8KB + 256B Flash Memory 256B RAM
Available in a 28-Pin Plastic Small-Outline Wide Body (SOWB) Package, 28-Pin Plastic Thin Shrink Small-Outline Package (TSSOP) and 32-Pin QFN Package
For Complete Module Descriptions, See the MSP430x1xx Family User’s Guide, Literature Number SLAU049

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