MSP430F5528IRGCR

Product Overview

The MSP430F5528IRGCR from Texas Instruments is a 25MHz ultra-low-power 16-bit MSP430 microcontroller featuring 128KB of Flash memory, 8KB of SRAM, a 12-bit SAR ADC, comparator, DMA, USB connectivity, UART, SPI, I²C and a hardware multiplier.

The device operates from a 1.8V to 3.6V supply and integrates a rich set of analog, digital, timing and communication peripherals. With 47 GPIOs and a compact 64-pin VQFN package, the MSP430F5528IRGCR is suitable for embedded control, data acquisition, sensor systems and USB-connected applications.

Key Features

• 16-bit MSP430 RISC architecture

• Up to 25MHz operating frequency

• 128KB Flash memory

• 8KB SRAM

• 12-bit SAR ADC

• 10 ADC channels

• Integrated comparator

• 47 GPIOs

• Four 16-bit timer modules

• Two USCI modules

• UART, IrDA, SPI and I²C interfaces

• Full-speed USB 2.0 connectivity

• Integrated USB PHY

• USB PLL

• 3-channel internal DMA

• 32-bit hardware multiplier

• Real-time clock with alarm functionality

• Secure debug

• Serial onboard programming

• Low-power operating modes

• 1.8V to 3.6V supply range

Technical Specifications

TI identifies the MSP430F5528 as a 25MHz MCU with 128KB Flash, 8KB SRAM, 12-bit SAR ADC, 47 GPIOs, USB and multiple communication interfaces. The exact MSP430F5528IRGCR is the 64-pin RGC VQFN ordering variant.

Processor & Architecture

The MSP430F5528IRGCR uses Texas Instruments' 16-bit MSP430 RISC architecture, optimized for high code efficiency and low-power embedded operation.

The device supports operation up to 25MHz and incorporates a digitally controlled oscillator for rapid transitions from low-power modes to active operation. Typical wake-up time from standby is approximately 3.5µs.

Memory & Storage

• 128KB Flash program memory

• 8KB SRAM

• Nonvolatile Flash storage

• Serial onboard programming

• No external programming voltage required

• RAM retention in low-power modes

• Integrated USB RAM resources

The 128KB Flash capacity provides sufficient program storage for complex embedded firmware, USB applications and data-processing systems.

Analog Peripherals

The integrated 12-bit SAR ADC provides:

• 10 analog input channels

• Internal voltage reference

• Sample-and-hold functionality

• Autoscan capability

• 12-bit conversion resolution

The device also includes an integrated comparator for threshold detection and analog monitoring applications.

Timer & PWM Resources

The MSP430F5528 family integrates four 16-bit timer modules supporting timing, capture, compare and PWM functions.

The timer resources can be used for:

• PWM generation

• Input capture

• Output compare

• Event timing

• Period measurement

• Embedded control

These resources allow the MCU to handle real-time control functions without continuously loading the CPU.

Communication & Connectivity

The MSP430F5528IRGCR integrates two USCI modules supporting multiple serial communication protocols.

USCI_A Interfaces

• Enhanced UART

• Automatic baud-rate detection

• IrDA encoding and decoding

• Synchronous SPI

USCI_B Interfaces

• I²C

• Synchronous SPI

USB Interface

The MSP430F5528 also integrates a full-speed USB 2.0 interface with:

• Integrated USB PHY

• Integrated USB PLL

• 3.3V and 1.8V USB power system

• Eight input endpoints

• Eight output endpoints

TI specifically identifies USB, UART, SPI and I²C as communication interfaces for the MSP430F5528.

Clock & Power Management

The MSP430F5528IRGCR provides a flexible clock system including:

• Digitally controlled oscillator

• Frequency-locked clock operation

• Low-frequency oscillator

• Reference oscillator

• Crystal oscillator support

• USB PLL

• Integrated power-management system

The flexible clock architecture allows the system to balance processing performance and power consumption.

Low-Power Operation

The MSP430F5528IRGCR is designed for battery-powered and energy-sensitive embedded applications.

Typical power characteristics include:

• Active mode: approximately 290µA/MHz at 8MHz, 3.0V, Flash execution

• Active RAM execution: approximately 150µA/MHz at 8MHz, 3.0V

• LPM3 with RTC crystal: approximately 1.9µA at 2.2V and 2.1µA at 3.0V

• LPM3 with VLO: approximately 1.4µA at 3.0V

• LPM4: approximately 1.1µA at 3.0V

• LPM4.5: approximately 0.18µA at 3.0V

• Typical wake-up time: 3.5µs

Power Management

The integrated power-management system supports:

• 1.8V to 3.6V operating supply

• Multiple low-power modes

• Integrated supply supervision

• Brownout protection

• RAM retention

• Fast wake-up

• Independent clock and peripheral control

These features allow designers to reduce energy consumption while maintaining rapid response when the system returns to active operation.

Security & Data Integrity

The MSP430F5528IRGCR includes:

• Secure debug

• Flash protection features

• Supply supervision

• Brownout protection

• Hardware multiplier

• CRC/data-integrity capabilities

The 32-bit hardware multiplier accelerates arithmetic operations and helps reduce CPU execution time for calculation-intensive embedded applications.

Development & Debugging

The device supports:

• JTAG debugging

• Spy-Bi-Wire debugging

• Serial onboard programming

• Secure debug

• Texas Instruments MSP430 development ecosystem

• Code Composer Studio

• MSP430Ware software resources

TI also lists the MSP-TS430RGC64USB 64-pin target development board as a development option for the RGC package family.

Applications

The MSP430F5528IRGCR is suitable for:

• USB-connected embedded systems

• Industrial automation

• Sensor systems

• Analog and digital data acquisition

• Data loggers

• Portable measurement equipment

• Energy monitoring

• Industrial instrumentation

• Embedded control systems

• Consumer electronics

• USB peripheral devices

• Battery-powered equipment

TI specifically identifies analog and digital sensor systems, data loggers and applications requiring connectivity to USB hosts as typical applications for the MSP430F55xx family.

Benefits

• 25MHz 16-bit MSP430 processing

• 128KB Flash memory

• 8KB SRAM

• Integrated 12-bit ADC

• 47 GPIOs

• Full-speed USB 2.0

• UART, SPI and I²C communication

• Integrated DMA reduces CPU workload

• 32-bit hardware multiplier

• Integrated RTC

• Wide 1.8V to 3.6V supply range

• Low-power architecture

• Compact 64-pin VQFN package

Packaging & Ordering Information

• Part Number: MSP430F5528IRGCR

• Manufacturer: Texas Instruments

• Device Family: MSP430F5528

• Package: 64-pin VQFN

• Package Code: RGC

• Package Size: 9mm × 9mm

• Package Quantity: Custom Reel

• Supply Voltage: 1.8V to 3.6V

• Operating Temperature: -40°C to +85°C

• Product Status: ACTIVE

Datasheet

For complete electrical characteristics, pin configuration, memory architecture, ADC specifications, timer configuration, communication interfaces, USB specifications, absolute maximum ratings, and application information, please refer to the official Texas Instruments documentation.

Datasheet: Official MSP430F5528 Datasheet

Frequently Asked Questions

Q: What is the MSP430F5528IRGCR?
A: The MSP430F5528IRGCR is a Texas Instruments 25MHz 16-bit MSP430 microcontroller with 128KB Flash, 8KB SRAM, 12-bit ADC, USB, DMA and multiple serial communication interfaces.

Q: How much Flash memory does the MSP430F5528IRGCR have?
A: It provides 128KB of Flash memory.

Q: How much RAM does the MSP430F5528IRGCR have?
A: The device integrates 8KB of SRAM.

Q: What package does the MSP430F5528IRGCR use?
A: It uses a 64-pin VQFN package with the RGC package code.

Q: What is the operating voltage?
A: The operating supply range is 1.8V to 3.6V.

Q: Does the MSP430F5528IRGCR support USB?
A: Yes. The MSP430F5528 includes an integrated full-speed USB 2.0 interface, USB PHY and USB PLL.

Q: Does the MSP430F5528IRGCR support UART, SPI and I²C?
A: Yes. The device supports UART, SPI and I²C through its USCI communication peripherals.

Q: How many GPIOs are available?
A: The MSP430F5528 provides 47 GPIOs.

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