MSP430F5438A - 16 位超低功耗微控制器，256KB 闪存、16KB RAM、12 位 ADC、4 个 USCI、32 位 HW 乘法器

MSP430F5438A是TI德州仪器公司的一款低功耗高性能产品，MSP430F5438A是16 位超低功耗微控制器，256KB 闪存、16KB RAM、12 位 ADC、4 个 USCI、32 位 HW 乘法器，本站介绍了MSP430F5438A的封装应用图解、特点和优点、功能等，并给出了与MSP430F5438A相关的TI元器件型号供参考。

MSP430F5438A - 16 位超低功耗微控制器，256KB 闪存、16KB RAM、12 位 ADC、4 个 USCI、32 位 HW 乘法器 - 低功耗高性能 - 低功耗MCU - 德州仪器

1 Device Overview

1.1 Features

Low Supply Voltage Range: 3.6 V Down to 1.8 V
Ultra-Low Power Consumption
- Active Mode (AM): All System Clocks Active 230 µA/MHz at 8 MHz, 3.0 V, Flash Program Execution (Typical) 110 µA/MHz at 8 MHz, 3.0 V, RAM Program Execution (Typical)
- Standby Mode (LPM3): Real-Time Clock (RTC) With Crystal, Watchdog, and Supply Supervisor Operational, Full RAM Retention, Fast Wakeup: 1.7 µA at 2.2 V, 2.1 µA at 3.0 V (Typical) Low-Power Oscillator (VLO), General-Purpose Counter, Watchdog, and Supply Supervisor Operational, Full RAM Retention, Fast Wakeup: 1.2 µA at 3.0 V (Typical)
- Off Mode (LPM4): Full RAM Retention, Supply Supervisor Operational, Fast Wakeup: 1.2 µA at 3.0 V (Typical)
- Shutdown Mode (LPM4.5): 0.1 µA at 3.0 V (Typical)
Wake up From Standby Mode in 3.5µs (Typical)
16-Bit RISC Architecture
- Extended Memory
- Up to 25-MHz System Clock
Flexible Power-Management System
- Fully Integrated LDO With Programmable Regulated Core Supply Voltage
- Supply Voltage Supervision, Monitoring, and Brownout
Unified Clock System
- FLL Control Loop for Frequency Stabilization
- Low-Power Low-Frequency Internal Clock Source (VLO)
- Low-Frequency Trimmed Internal Reference Source (REFO)
- 32-kHz Crystals
- High-Frequency Crystals up to 32 MHz
16-Bit Timer TA0, Timer_A With Five Capture/Compare Registers
16-Bit Timer TA1, Timer_A With Three Capture/Compare Registers
16-Bit Timer TB0, Timer_B With Seven Capture/Compare Shadow Registers
Up to Four Universal Serial Communication Interfaces
- USCI_A0, USCI_A1, USCI_A2, and USCI_A3 Each Support:
  - Enhanced UART Supports Automatic Baud-Rate Detection
  - IrDA Encoder and Decoder
  - Synchronous SPI
- USCI_B0, USCI_B1, USCI_B2, and USCI_B3 Each Support:
  - I2C
  - Synchronous SPI
12-Bit Analog-to-Digital Converter (ADC)
- Internal Reference
- Sample-and-Hold
- Autoscan Feature
- 14 External Channels, 2 Internal Channels
Hardware Multiplier Supports 32-Bit Operations
Serial Onboard Programming, No External Programming Voltage Needed
Three-Channel Internal DMA
Basic Timer With RTC Feature
Section 3 Summarizes the Available Family Members
For Complete Module Descriptions, See the MSP430x5xx and MSP430x6xx Family User's Guide (SLAU208)

1.2 Applications

Analog and Digital Sensor Systems
Digital Motor Controls
Remote Controls
Thermostats
Digital Timers
Hand-Held Meters

1.3 Description

The TI MSP430™ family of ultra-low-power microcontrollers consists of several devices featuring different sets of peripherals targeted for various applications. The architecture, combined with extensive 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 contribute to maximum code efficiency. The digitally controlled oscillator (DCO) allows the device to wake up from low-power modes to active mode in 3.5µs (typical).

The MSP430F543xA and MSP430F541xA series are microcontroller configurations with three 16-bit timers, a high-performance 12-bit ADC, up to four universal serial communication interfaces (USCIs), a hardware multiplier, DMA, an RTC module with alarm capabilities, and up to 87I/O pins.

Typical applications for this device include analog and digital sensor systems, digital motor control, remote controls, thermostats, digital timers, and hand-held meters.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE(2)
MSP430F5438AZQW	MicroStar Junior™ BGA (113)	7 mm × 7 mm
MSP430F5438APZ	LQFP (100)	14 mm × 14 mm
MSP430F5437APN	LQFP (80)	12 mm × 12 mm

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