MSP430F449 - 具有 60kB 闪存、2048B RAM、12 位 ADC、2 个 USART、HW 乘法器和 160 段 LCD 的 16 位超低功耗微处理器

MSP430F449是TI德州仪器公司的一款超低功耗产品，MSP430F449是具有 60kB 闪存、2048B RAM、12 位 ADC、2 个 USART、HW 乘法器和 160 段 LCD 的 16 位超低功耗微处理器，本站介绍了MSP430F449的封装应用图解、特点和优点、功能等，并给出了与MSP430F449相关的TI元器件型号供参考。

MSP430F449 - 具有 60kB 闪存、2048B RAM、12 位 ADC、2 个 USART、HW 乘法器和 160 段 LCD 的 16 位超低功耗微处理器 - 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 consists 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 devices feature a powerful 16-bit RISC CPU, 16-bit registers, and constant generators that contribute to maximum code efficiency. The digitally controlled oscillator (DCO) allows wake-up from low-power modes to active mode in less than 6 µs.

The MSP430x43x(1) and the MSP430x44x(1) series are microcontroller configurations with two built-in 16-bit timers, a fast 12-bit A/D converter (not implemented on the MSP430F43x1 and MSP430F44x1 devices), one or two universal serial synchronous/asynchronous communication interfaces (USART), 48 I/O pins, and a liquid crystal driver (LCD) with up to 160 segments.

Typical applications include sensor systems that capture analog signals, convert them to digital values, and process and transmit the data to a host system, or process this data and display it on a LCD panel. The timers make the configurations ideal for industrial control applications such as ripple counters, digital motor control, EE-meters, hand-held meters, etc. The hardware multiplier enhances the performance and offers a broad code and hardware-compatible family solution.

产品特性

Low Supply-Voltage Range, 1.8 V to 3.6 V
Ultralow-Power Consumption:
- Active Mode: 280 µA at 1 MHz, 2.2 V
- Standby Mode: 1.1 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
12-Bit A/D Converter With Internal Reference, Sample-and-Hold and Autoscan Feature
16-Bit Timer_B With Three(1) or Seven(2) Capture/Compare-With-Shadow Registers
16-Bit Timer_A With Three Capture/Compare Registers
On-Chip Comparator
Serial Communication Interface (USART), Select Asynchronous UART or Synchronous SPI by Software:
- Two USARTs (USART0, USART1)(1)
- One USART (USART0)(2)
Brownout Detector
Supply Voltage Supervisor/Monitor With Programmable Level Detection
Serial Onboard Programming, No External Programming Voltage Needed Programmable Code Protection by Security Fuse
Integrated LCD Driver for up to 160 Segments
Bootstrap Loader
Family Members Include:
- MSP430F435, MSP430F4351(3):
  - 16KB+256B Flash Memory
  - 512B RAM
- MSP430F436, MSP430F4361(3):
  - 24KB+256B Flash Memory
  - 1KB RAM
- MSP430F437, MSP430F4371(3):
  - 32KB+256B Flash Memory
  - 1KB RAM
- MSP430F447:
  - 32KB+256B Flash Memory
  - 1KB RAM
- MSP430F448, MSP430F4481(3):
  - 48KB+256B Flash Memory
  - 2KB RAM
- MSP430F449, MSP430F4491(3):
  - 60KB+256B Flash Memory
  - 2KB RAM
For Complete Module Descriptions, See The MSP430x4xx Family User’s Guide, Literature Number SLAU056

(1) MSP430F43x, and MSP430F43x1 devices (2) MSP430F44x, and MSP430F44x1 devices (3) The MSP430F43x1 and MSP430F44x1 devices are identical to the MSP430F43x and MSP430F44x devices, respectively – with the exception that the ADC12 module is not implemented.

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