Overview
The MSP432P401MIRGCR 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, including 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. Despite the MSP432 family being discontinued, the MSP432P401MIRGCR remains a significant component in various applications due to its ultra-low-power performance and advanced features.
Key Specifications
| Specification | Value |
|---|---|
| Core | ARM 32-Bit Cortex-M4F CPU with Floating-Point Unit and Memory Protection Unit |
| Frequency | Up to 48 MHz |
| Flash Memory | 128 KB |
| SRAM | 32 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 | 80 µA/MHz |
| ADC | 14-bit, 1 MSPS SAR ADC with differential and single-ended inputs |
| Timers | Up to four 16-bit timers with capture, compare, or PWM capability; two 32-bit timers |
| Serial Communication | Up to four eUSCI_A modules (UART, IrDA, SPI); up to four eUSCI_B modules (SPI, I2C) |
| GPIO | Up to 48 GPIO pins with interrupt, wake-up, and glitch filtering capabilities |
| Encryption and Data Integrity | 128-, 192-, or 256-bit AES encryption and decryption accelerator; 32-bit hardware CRC engine |
| Debug Interface | 4-Pin JTAG and 2-Pin SWD debug interfaces; Serial Wire Trace; power debug and profiling |
Key Features
- Low-Power Performance: Ultra-low-power operating modes, including active, low-frequency active, and LPM3 with RTC, ensuring minimal power consumption.
- Advanced Analog Features: 14-bit 1 MSPS SAR ADC with differential and single-ended inputs, internal voltage reference, and two analog comparators.
- Rich Peripherals: Includes four 16-bit timers, two 32-bit timers, real-time clock/calendar, and multiple serial communication channels (UART, IrDA, SPI, I2C).
- Encryption and Data Integrity: 128-, 192-, or 256-bit AES encryption and decryption accelerator, and a 32-bit hardware CRC engine.
- Debug and Development Tools: Supports 4-Pin JTAG and 2-Pin SWD debug interfaces, Serial Wire Trace, and power debug and profiling).
- Capacitive Touch and GPIO: Ultra-low-leakage I/Os with capacitive-touch capability, interrupt, wake-up, and glitch filtering).
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 MSP432P401MIRGCR?
The MSP432P401MIRGCR is based on the 32-bit ARM Cortex-M4F CPU with a built-in single precision IEEE754-compatible Floating Point Unit.
- What is the maximum clock speed of the MSP432P401MIRGCR?
The maximum clock speed is up to 48 MHz.
- How much flash and SRAM memory does the MSP432P401MIRGCR have?
The device has 128 KB of flash memory and 32 KB of SRAM.
- What is the supply voltage range for the MSP432P401MIRGCR?
The supply voltage range is from 1.62 V to 3.7 V.
- What are the key analog features of the MSP432P401MIRGCR?
The device includes a 14-bit 1 MSPS SAR ADC with differential and single-ended inputs, internal voltage reference, and two analog comparators.
- Does the MSP432P401MIRGCR support encryption and data integrity features?
Yes, it includes 128-, 192-, or 256-bit AES encryption and decryption accelerators, and a 32-bit hardware CRC engine.
- What debug interfaces are supported by the MSP432P401MIRGCR?
The device supports 4-Pin JTAG and 2-Pin SWD debug interfaces, Serial Wire Trace, and power debug and profiling.
- What are some typical applications for the MSP432P401MIRGCR?
Applications include industrial automation, metering, health and fitness devices, and consumer electronics.
- Is the MSP432P401MIRGCR suitable for low-power applications?
Yes, it is designed for ultra-low-power performance with various operating modes to minimize power consumption.
- What is the temperature range for the MSP432P401MIRGCR?
The temperature range is from -40°C to 85°C.
