Overview
The MSP432P401RIPZ microcontroller, produced by Texas Instruments, is part of the MSP432P401x family, which integrates the ARM Cortex-M4F processor. This MCU combines ultra-low-power operation with high performance, making it ideal for applications requiring efficient data processing and low power consumption. The device leverages TI's ultra-low-power MCU expertise and the processing capabilities of the ARM 32-bit Cortex-M4 RISC engine, along with advanced mixed-signal features and peripheral driver libraries compatible with the ARM ecosystem.
Key Specifications
| Specification | Details |
|---|---|
| Processor | ARM 32-Bit Cortex-M4F CPU with Floating-Point Unit and Memory Protection Unit |
| Frequency | Up to 48 MHz |
| Flash Memory | Up to 256 KB (organized into two banks for simultaneous read/execute during erase) |
| Flash Information Memory | 16 KB (used for BSL, TLV, and Flash Mailbox) |
| SRAM | Up to 64 KB (including 6 KB of backup memory) |
| ROM | 32 KB with MSP432 Peripheral Driver Libraries |
| Supply Voltage Range | 1.62 V to 3.7 V |
| Temperature Range | -40°C to 85°C |
| Ultra-Low-Power Operating Modes | Active: 80 µA/MHz, LPM3 (with RTC): 660 nA, LPM3.5 (with RTC): 630 nA, LPM4: 500 nA, LPM4.5: 25 nA |
| Clocking Features | Tunable Internal DCO (up to 48 MHz), 32.768 kHz Low-Frequency Crystal Support, High-Frequency Crystal Support up to 48 MHz, Low-Frequency Internal Reference Oscillator, Very Low-Power Low-Frequency Internal Oscillator, Module Oscillator, System Oscillator |
| Timers | Up to four 16-Bit Timers, each with up to five capture, compare, PWM capability; two 32-Bit Timers with interrupt generation capability |
| Serial Communication | Up to four eUSCI_A modules (UART, IrDA, SPI); up to four eUSCI_B modules (I2C, SPI) |
| Analog Features | 14-Bit 1-MSPS SAR ADC with differential and single-ended inputs; internal voltage reference with 10-ppm/°C typical stability; two analog comparators |
| Encryption and Data Integrity | 128-, 192-, or 256-Bit AES encryption and decryption accelerator; 32-Bit hardware CRC engine |
| Debug Support | Support for 4-Pin JTAG and 2-Pin SWD debug interfaces; support for Serial Wire Trace; support for Power Debug and Profiling of Applications |
| Package | LQFP (100-pin), 14 mm × 14 mm |
Key Features
- Ultra-Low-Power Operation: Active mode at 80 µA/MHz, and various low-power modes such as LPM3, LPM3.5, LPM4, and LPM4.5 with currents as low as 25 nA.
- High-Performance Processing: ARM Cortex-M4F CPU with a floating-point unit and memory protection unit, operating up to 48 MHz.
- Advanced Analog Features: 14-Bit 1-MSPS SAR ADC, internal voltage reference, and two analog comparators.
- Flexible Clocking: Tunable internal DCO, low-frequency and high-frequency crystal support, and various internal oscillators).
- Robust Security: 128-, 192-, or 256-Bit AES encryption and decryption accelerator, and 32-Bit hardware CRC engine).
- Extensive Peripherals: Multiple timers, DMA, RTC with calendar and alarm functions, and comprehensive serial communication capabilities).
- Capacitive-Touch Capability: All I/Os with capacitive-touch capability, and up to 48 I/Os with interrupt and wake-up capability).
Applications
- Industrial and Automation: Home automation, smoke detectors, barcode scanners, access panels, electric meters, flow meters, and communication modules).
- Metering: Electric meters, flow meters, and communication modules).
- Health and Fitness: Watches, activity monitors, fitness accessories, and blood glucose meters).
- Consumer Electronics: Mobile devices, sensor hubs, and other consumer electronics requiring low power and high performance).
- Internet of Things (IoT): Wired or wireless IoT stacks and applications requiring efficient data processing and low power consumption).
Q & A
- What is the processor core used in the MSP432P401RIPZ MCU?
The MSP432P401RIPZ MCU uses the ARM 32-Bit Cortex-M4F CPU with a floating-point unit and memory protection unit).
- What is the maximum operating frequency of the MSP432P401RIPZ MCU?
The maximum operating frequency is up to 48 MHz).
- What are the ultra-low-power operating modes available in the MSP432P401RIPZ MCU?
The MCU supports various low-power modes such as Active, LPM3, LPM3.5, LPM4, and LPM4.5, with currents as low as 25 nA).
- What type of analog-to-digital converter (ADC) is integrated into the MSP432P401RIPZ MCU?
The MCU features a 14-Bit 1-MSPS SAR ADC with differential and single-ended inputs).
- Does the MSP432P401RIPZ MCU support encryption and data integrity features?
Yes, it includes a 128-, 192-, or 256-Bit AES encryption and decryption accelerator and a 32-Bit hardware CRC engine).
- What are the package options available for the MSP432P401RIPZ MCU?
The MSP432P401RIPZ MCU is available in a 100-pin LQFP package, measuring 14 mm × 14 mm).
- What are some of the key applications for the MSP432P401RIPZ MCU?
Key applications include industrial and automation, metering, health and fitness, consumer electronics, and IoT applications).
- How does the MSP432P401RIPZ MCU support debug and profiling?
The MCU supports 4-Pin JTAG and 2-Pin SWD debug interfaces, Serial Wire Trace, and Power Debug and Profiling of Applications).
- What is the temperature range for the MSP432P401RIPZ MCU?
The temperature range is -40°C to 85°C).
- Does the MSP432P401RIPZ MCU have capacitive-touch capability?
Yes, all I/Os have capacitive-touch capability, and up to 48 I/Os have interrupt and wake-up capability).
