Overview
The MSP432P401VIRGCR is a mixed-signal microcontroller from Texas Instruments, part of the MSP432 family. It is based on the 32-bit ARM Cortex-M4F CPU, which provides enhanced processing capabilities and a built-in single precision IEEE754-compatible Floating Point Unit. This microcontroller extends the capabilities of the 16-bit MSP430 line, offering a larger address space, faster integer and floating point calculations, and a rich set of analog, timing, and communication peripherals. The MSP432P401VIRGCR is designed for low power requirements, making it suitable for a variety of applications where energy efficiency is crucial.
Key Specifications
| Specification | Value |
|---|---|
| Core | ARM 32-Bit Cortex-M4F CPU with Floating-Point Unit and Memory Protection Unit |
| System Clock | Up to 48 MHz |
| Flash Memory | 512 KB |
| SRAM | 128 KB |
| ROM | 32 KB with MSP432 Peripheral Driver Libraries |
| Supply Voltage | 1.62 V to 3.7 V |
| Temperature Range | -40°C to 85°C |
| Active Power | 90 uA/MHz |
| RTC Operation | 850 nA (Typical) |
| ADC | 14-bit 1 MSPS differential SAR ADC with internal voltage reference |
| Timers | Up to four 16-bit timers with capture, compare, or PWM, two 32-bit timers |
| Serial Communication | Up to eight serial communication channels (I2C, SPI, UART, and IrDA) |
| GPIO | Up to 48 GPIO pins with interrupt/wake-up, glitch filtering, and high current drive |
| Encryption and Data Integrity | AES256 accelerator with 128-, 192-, and 256-bit AES and 32-bit CRC |
| Debug Interface | JTAG and two-pin SWD debug interface with Serial Wire Trace and power debug and profiling |
Key Features
- Low Power Operation: The MSP432P401VIRGCR features ultra-low-power operating modes, including active, low-frequency active, LPM3, LPM3.5, LPM4, and LPM4.5, making it highly energy-efficient.
- Advanced Analog Peripherals: Includes a 14-bit 1 MSPS SAR ADC with differential and single-ended inputs, internal voltage reference, and two analog comparators.
- Enhanced Security: Supports AES256 encryption and decryption accelerator, 32-bit hardware CRC engine, and secure flash zones for IP protection.
- Flexible Clocking: Tunable internal DCO, low-frequency crystal support, high-frequency crystal support, and low-frequency internal reference oscillator.
- Rich Set of Peripherals: Includes real-time clock/calendar, up to four 16-bit timers, two 32-bit timers, and multiple serial communication interfaces (UART, IrDA, SPI, I2C).
- Capacitive Touch and GPIO: Up to 48 GPIO pins with capacitive-touch capability, interrupt/wake-up, glitch filtering, and high current drive.
Applications
- Industrial and Automation: Home automation, smoke detectors, barcode scanners, access panels.
- Metering: Electric meters, flow meters, communication modules.
- Health and Fitness: Watches, activity monitors, fitness accessories, blood glucose meters.
- Consumer Electronics: Mobile devices, sensor hubs.
Q & A
- What is the core architecture of the MSP432P401VIRGCR?
The MSP432P401VIRGCR is based on the ARM 32-Bit Cortex-M4F CPU with a Floating-Point Unit and Memory Protection Unit.
- What is the maximum system clock speed of the MSP432P401VIRGCR?
The maximum system clock speed is up to 48 MHz.
- How much flash and SRAM memory does the MSP432P401VIRGCR have?
The MSP432P401VIRGCR has 512 KB of flash memory and 128 KB of SRAM.
- What is the supply voltage range for the MSP432P401VIRGCR?
The supply voltage range is from 1.62 V to 3.7 V.
- What are the ultra-low-power operating modes of the MSP432P401VIRGCR?
The operating modes include active, low-frequency active, LPM3, LPM3.5, LPM4, and LPM4.5.
- Does the MSP432P401VIRGCR support encryption and data integrity?
Yes, it supports AES256 encryption and decryption accelerator and a 32-bit hardware CRC engine.
- What types of timers are available on the MSP432P401VIRGCR?
It includes up to four 16-bit timers and two 32-bit timers.
- How many GPIO pins does the MSP432P401VIRGCR have?
It has up to 48 GPIO pins with various capabilities such as interrupt/wake-up, glitch filtering, and high current drive.
- What debug interfaces are supported by the MSP432P401VIRGCR?
It supports JTAG and two-pin SWD debug interfaces with Serial Wire Trace and power debug and profiling.
- Is the MSP432P401VIRGCR suitable for industrial applications?
Yes, it is suitable for various industrial and automation applications due to its low power consumption and rich set of peripherals.
