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PIC32CM6408MC00032-I/RTB

MCHPPIC32CM6408MC00032-I/RTB

Microchip Technology
ARM® Cortex®-M0+ PIC® 32CM MC Microcontroller IC 32-Bit 48MHz 64KB (64K x 8) FLASH 32-VQFN (5x5)
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Overview

The PIC32CM6408MC00032-I/RTB is a 32-bit Arm Cortex-M0+ microcontroller operating at 48MHz, specifically optimized for motor control and industrial automation tasks. It features 64KB of Flash, 8KB of SRAM, and a dedicated Hardware Divide and Square Root Accelerator (DIVAS) to enhance mathematical performance in real-time control loops.

Why Choose This Part

This MCU stands out for its SleepWalking peripherals and 12-channel Event System, which allow for complex peripheral-to-peripheral interactions while the CPU remains in low-power modes. The inclusion of a 2KB EEPROM-equivalent area and a hardware DIVAS unit provides features typically reserved for higher-end processors in a cost-effective 32-pin VQFN package.

Applications

Brushless DC (BLDC) Motor Control
Utilizes the integrated PWM peripherals and DIVAS accelerator for efficient motor commutation and speed control.
Industrial Sensor Interfaces
Leverages multiple SERCOM interfaces for I2C, SPI, and UART connectivity to gather data from industrial transducers.
Home Appliances
Provides a compact, low-power solution for controlling small motors and user interfaces in white goods.
Power Conversion Systems
Uses the 12-channel Event System and high-speed peripherals to manage power stage timing without CPU intervention.

Key Specifications

Speed 48MHz
RAM Size 8K x 8
Core Size 32-Bit
EEPROM Size 2K x 8
Peripherals Brown-out Detect/Reset, DMA, Motor Control, POR, PWM, WDT
Connectivity I2C, IrDA, LINbus, RS-485, SERCOM, SMBus, SPI, UART/USART
Mounting Type Surface Mount, Wettable Flank
Number of I/O 26
Core Processor ARM Cortex-M0+
Package / Case 32-VFQFN Exposed Pad
Data Converters A/D 14x12b, 1x16b Sigma-Delta; D/A 1x10b
Oscillator Type Internal
Program Memory Size 64KB (64K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 32-VQFN (5x5)
Voltage - Supply (Vcc/Vdd) 2.7V ~ 5.5V

Getting Started

Developers can begin evaluation using the Microchip MPLAB X IDE and the XC32 compiler. The part supports programming and debugging via the 2-wire Serial Wire Debug (SWD) interface using tools such as the MPLAB PICkit 4 or Snap. For rapid prototyping, look for the Curiosity Nano series of evaluation boards which offer integrated debugging support.

PIC32CM6408 Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number I/O Pins Package Speed ADC/DAC Connectivity Peripherals Stock
PIC32CM6408MC00032-I/RTB (this part) 26 VFQFN-32 48M A/D 14x12b, 1x16b .. I2C, IrDA, LINbus,.. Brown-out Detect/R.. —
PIC32CM6408PL10048-I/6MX 41 VFQFN-48 24M A/D 25x12b I2C, LINbus, SPI, .. Brown-out Detect/R.. 732
PIC32CM6408PL10064-I/5LX 55 VFQFN-64 24M A/D 29x12b I2C, LINbus, SPI, .. Brown-out Detect/R.. 677
PIC32CM6408PL10028-E/3LW 22 VFQFN-28 24M A/D 16x12b I2C, LINbus, SPI, .. Brown-out Detect/R.. 909
PIC32CM6408MC00048-E/Y8X 38 TQFP-48 48M A/D 14x12b, 1x16b .. I2C, IrDA, LINbus,.. Brown-out Detect/R.. 993
PIC32CM6408PL10032-E/QZB 26 VFQFN-32 24M A/D 20x12b I2C, LINbus, SPI, .. Brown-out Detect/R.. —

Also Consider

ATSAMD21E18A-MFT MCHPMicrochip Technology - Offers a similar Cortex-M0+ core with larger 256KB Flash for applications requiring more complex firmware.
STM32G031K8U6 STMicroelectronics - Alternative 64KB Flash Cortex-M0+ option with a higher 64MHz clock speed and modern peripheral set.
PIC32CM1216MC00032-I/RTB MCHPMicrochip Technology - A direct migration path within the same family providing 128KB Flash for expanded code space requirements.