Product
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MSP430FG437
  • MSP430FG437
  • MSP430FG437
  • MSP430FG437

MSP430FG437

ACTIVE

8 MHz MCU with 32KB Flash, 1KB SRAM, 12-bit ADC, Dual DAC, DMA, 3 OpAmp, 128 seg LCD

Texas Instruments MSP430FG437 Product Info

1 April 2026 1

Parameters

CPU

MSP430

Frequency (MHz)

8

Flash memory (kByte)

32

RAM (kByte)

1

ADC type

12-bit SAR

Features

Advanced sensing, DAC, LCD, OpAmp

UART

1

Number of ADC channels

12

SPI

1

USB

No

Operating temperature range (°C)

-40 to 85

Rating

Catalog

Communication interface

SPI, UART

Operating system

BareMetal (No OS), TI RTOS

Hardware accelerators

0

Nonvolatile memory (kByte)

32

Number of GPIOs

48

Number of I2Cs

0

Security

Secure debug

Package

LQFP (PN)-80-196 mm² 14 x 14

Features

  • Low supply-voltage range, 1.8 V to 3.6 V
  • Ultra-low power consumption
    • Active mode: 300 µA at 1 MHz, 2.2 V
    • Standby mode: 1.1 µA
    • Off mode (RAM retention): 0.1 µA
  • Five power-saving modes
  • Wakeup from standby mode in less than 6 µs
  • 16-bit RISC architecture, 125-ns instruction cycle time
  • Single-channel internal DMA
  • 12-bit analog-to-digital converter (ADC) with internal reference, sample-and-hold and autoscan feature
  • Three configurable operational amplifiers
  • Dual 12-bit digital-to-analog converters (DACs) with synchronization
  • 16-bit Timer_A with three capture/compare registers
  • 16-bit Timer_B with three capture/compare-with-shadow registers
  • On-chip comparator
  • Serial communication interface (USART), select asynchronous UART or synchronous SPI by software
  • Brownout detector
  • Supply-voltage supervisor and monitor with programmable level detection
  • Bootloader (BSL)
  • Serial onboard programming, no external programming voltage needed, programmable code protection by security fuse
  • Integrated segment liquid crystal display (LCD) driver for up to 128 segments
  • Available in 113-ball BGA (ZCA) and 80-pin QFP (PN) packages
  • Device Comparison summarizes the available family members
  • Low supply-voltage range, 1.8 V to 3.6 V
  • Ultra-low power consumption
    • Active mode: 300 µA at 1 MHz, 2.2 V
    • Standby mode: 1.1 µA
    • Off mode (RAM retention): 0.1 µA
  • Five power-saving modes
  • Wakeup from standby mode in less than 6 µs
  • 16-bit RISC architecture, 125-ns instruction cycle time
  • Single-channel internal DMA
  • 12-bit analog-to-digital converter (ADC) with internal reference, sample-and-hold and autoscan feature
  • Three configurable operational amplifiers
  • Dual 12-bit digital-to-analog converters (DACs) with synchronization
  • 16-bit Timer_A with three capture/compare registers
  • 16-bit Timer_B with three capture/compare-with-shadow registers
  • On-chip comparator
  • Serial communication interface (USART), select asynchronous UART or synchronous SPI by software
  • Brownout detector
  • Supply-voltage supervisor and monitor with programmable level detection
  • Bootloader (BSL)
  • Serial onboard programming, no external programming voltage needed, programmable code protection by security fuse
  • Integrated segment liquid crystal display (LCD) driver for up to 128 segments
  • Available in 113-ball BGA (ZCA) and 80-pin QFP (PN) packages
  • Device Comparison summarizes the available family members

Description

The Texas Instruments MSP430™ family of ultra-low-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 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 less than 6 µs.

The MSP430FG43x devices are microcontrollers with two 16-bit timers, a high-performance 12-bit ADC, dual 12-bit DACs, three configurable operational amplifiers, one universal synchronous/asynchronous communication interface, DMA, 48 I/O pins, and an LCD driver.

For complete module descriptions, see the MSP430x4xx Family User’s Guide .

The Texas Instruments MSP430™ family of ultra-low-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 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 less than 6 µs.

The MSP430FG43x devices are microcontrollers with two 16-bit timers, a high-performance 12-bit ADC, dual 12-bit DACs, three configurable operational amplifiers, one universal synchronous/asynchronous communication interface, DMA, 48 I/O pins, and an LCD driver.

For complete module descriptions, see the MSP430x4xx Family User’s Guide .

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