PIC32CM6408MC00032T-I/PT - 48MHz Cortex-M0+ 64KB Flash MCU | Microchip
MPN: PIC32CM6408MC00032T-I/PT ✓ פעילPIC32CM6408MC00032T-I/PT סקירה
What is a microcontroller (MCU)? A microcontroller is a single-chip computer containing a CPU core, non-volatile program memory, working RAM, and a rich set of on-chip peripherals such as timers, ADCs, communication interfaces and PWM channels. Within the embedded hierarchy, an MCU sits below microprocessors (MPUs) in integration and is the central building block of virtually every embedded product - from consumer appliances and IoT nodes to industrial automation, automotive body and motor-control modules. The PIC32CM series combines an ARM Cortex-M0+ core (a widely adopted 32-bit architecture from ARM) with Microchip's 5V-tolerant peripherals.
Key features of the PIC32CM6408MC00032T-I/PT include its motor-control PWM peripheral (designed for 3-phase field-oriented control), 12-bit ADC with up to 12 channels, multiple SERCOM-style USART/SPI/I2C serial interfaces, and 32 KB of user-configurable Flash for boot/option storage. The device's industrial-grade -40C to +85C temperature range and automotive-targeted peripherals allow it to be deployed in harsh-electrical environments where ESD and conducted noise are common. Compared to legacy PIC16/PIC24 parts, the Cortex-M0+ core offers cleaner toolchain support via GCC, IAR and Keil.
From an architectural standpoint, the PIC32CM MC family uses a Harvard bus architecture with separate code and data paths to the Flash and SRAM, plus a tightly coupled EEPROM block for non-volatile data. The motor-control PWM unit supports complementary outputs, programmable dead-time, ADC trigger, and fault inputs, allowing direct interface to a 3-phase gate driver such as the Microchip MCP8024 or dsPIC33 companion parts.
Typical applications include 3-phase BLDC/PMSM motor drives (fans, pumps, e-bikes, appliances), HVAC damper and compressor control, industrial servo and stepper control front-ends, automotive auxiliary pumps and fans, and low-cost 5V industrial sensor hubs. The wide 2.7 V to 5.5 V supply range also supports 3.3 V and 5 V mixed-signal designs without level shifters.
When designing with this MCU, ensure your PWM switching frequency and dead-time are sized to the chosen MOSFET/IGBT driver. Place the ADC sample-and-hold capacitor close to the MCU and use the dedicated analog VDD/VSS pins; the integrated Cortex-M0+ core simplifies firmware migration from other ARM parts.
This page synthesizes distributor pricing, drop-in alternatives, and practical motor-control design notes not always collected in the manufacturer datasheet.
חלופות תחליף ישיר עבור PIC32CM6408MC00032T-I/PT — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם PIC32CM6408MC00032T-I/PT (אותו גורם צורה וטביעת רגל) — שונים ב ADC, EEPROM, Package, Connectivity, Core Architecture.
PIC32CM6408MC00032-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC32CM6408MC00032-E/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC32CM6408MC00032T-I/PT דירוגים מרביים ומאפיינים חשמליים
| Core Architecture | ARM Cortex-M0+ (32-bit) |
| Family | PIC32CM MC00 (Motor Control) |
| Maximum CPU Frequency | 48 MHz |
| Program Flash | 64 KB (64K x 8) |
| SRAM | 8 KB |
| EEPROM | 2 KB |
| Supply Voltage Range | 2.7 V to 5.5 V |
| GPIO Count | 26 |
| מארז | 32-pin TQFP (7x7 mm) |
| טווח טמפרטורת פעולה | -40C to +85C (Industrial, 'I') |
| ADC | 12-bit, multiple channels |
| Motor Control PWM | Yes (3-phase, complementary outputs, programmable dead-time) |
| Communication Peripherals | SERCOM (USART/SPI/I2C), LIN-capable |
| סוג הרכבה | Surface Mount |
| סטטוס RoHS | Compliant |
תצורת פינים של PIC32CM6408MC00032T-I/PT
| פין 1 | PA00 — GPIO PA00 / PWM0H |
| פין 2 | PA01 — GPIO PA01 / PWM0L |
| פין 3 | PA02 — GPIO PA02 / PWM1H |
| פין 4 | PA03 — GPIO PA03 / PWM1L |
| פין 5 | PA04 — GPIO PA04 / PWM2H |
| פין 6 | PA05 — GPIO PA05 / PWM2L |
| פין 7 | PA06 — GPIO PA06 / ANx |
| פין 8 | PA07 — GPIO PA07 / ANx |
| פין 9 | PA08 — GPIO PA08 / SERCOM |
| פין 10 | PA09 — GPIO PA09 / SERCOM |
| פין 11 | PA10 — GPIO PA10 / SERCOM |
| פין 12 | PA11 — GPIO PA11 / SERCOM |
| פין 13 | VDD — Digital supply (2.7-5.5V) |
| פין 14 | VSS — Digital ground |
| פין 15 | PA12 — GPIO PA12 / ANx |
| פין 16 | PA13 — GPIO PA13 / ANx |
| פין 17 | PA14 — GPIO PA14 / SERCOM |
| פין 18 | PA15 — GPIO PA15 / SERCOM |
| פין 19 | PA16 — GPIO PA16 / PWM3H |
| פין 20 | PA17 — GPIO PA17 / PWM3L |
| פין 21 | PA18 — GPIO PA18 / PWM4H |
| פין 22 | PA19 — GPIO PA19 / PWM4L |
| פין 23 | PA20 — GPIO PA20 / PWM5H |
| פין 24 | PA21 — GPIO PA21 / PWM5L |
| פין 25 | PA22 — GPIO PA22 / SERCOM |
| פין 26 | PA23 — GPIO PA23 / SERCOM |
| פין 27 | AVSS — Analog ground |
| פין 28 | AVDD — Analog supply |
| פין 29 | PA24 — GPIO PA24 / ANx |
| פין 30 | PA25 — GPIO PA25 / ANx |
| פין 31 | RESETn — Active-low reset input |
| פין 32 | VDD — Digital supply (2.7-5.5V) |
יישומים טיפוסיים
PIC32CM6408MC00032T-I/PT מתאים עבור 6 יישוםs: 3-Phase BLDC Motor Drive, HVAC Compressor and Fan Control, Industrial Servo and Stepper Front-End, Automotive Auxiliary Pumps and Fans, Low-Cost 5V Industrial Sensor Hub, Consumer Appliance Motor Control.
3-Phase BLDC Motor Drive
The PIC32CM6408MC00032T-I/PT's dedicated 3-phase motor-control PWM peripheral with complementary outputs, programmable dead-time, ADC triggering and fault inputs makes it ideal for sensorless or sensored BLDC motor drives. The 48 MHz Cortex-M0+ core executes FOC (field-oriented control) loops at switching frequencies of 20-30 kHz for small to mid-sized fans, pumps and e-bike traction motors. The 64 KB Flash holds MPLAB Harmony FOC libraries plus LIN/CAN stacks. Pair the MCU with the Microchip MCP8024 3-phase gate driver, add 10uF/0.1uF ceramic decoupling on AVDD/DVDD, and route the dedicated analog pins to current-sense amplifiers with Kelvin connection to the shunt resistors for lowest ADC noise.
מומלץ
HVAC Compressor and Fan Control
HVAC compressor and outdoor fan drives require an MCU tolerant of conducted electrical noise and wide temperature swings - the PIC32CM6408MC00032T-I/PT satisfies this with its 2.7-5.5V supply and -40C to +85C industrial range. The integrated 12-bit ADC samples back-EMF or shunt-current feedback for sensorless commutation, while the PWM peripheral generates 6-step trapezoidal or sinusoidal commutation at 1-20 kHz switching frequencies. Use the dedicated analog VDD/VSS pins and place a 100nF NPO capacitor close to the AVDD pin for clean ADC conversions in electrically noisy HVAC environments.
מומלץ
Industrial Servo and Stepper Front-End
For industrial stepper and brushed-DC servo front-ends, the PIC32CM6408MC00032T-I/PT provides 26 GPIO for limit-switch, encoder and H-bridge interface signals, plus SERCOM-style USART/SPI/I2C ports for host PLC or HMI communication. The 64 KB Flash supports microstepping ramps and S-curve profiles, while the 48 MHz Cortex-M0+ computes trajectories at 1-10 kHz rate. The wide 5V supply tolerates 24V industrial backplanes with appropriate buck regulation. The device's LIN-capable UART eases integration with industrial sensor-actuator fieldbus nodes.
מומלץ
Automotive Auxiliary Pumps and Fans
The PIC32CM6408MC00032T-I/PT is used in 12V automotive auxiliary water pumps, oil pumps and cooling fans where a small Cortex-M0+ MCU with integrated motor-control PWM replaces a discrete gate-driver + MCU architecture. The device runs directly from a 5V post-regulator on the 12V battery rail, communicating via LIN with the vehicle BCM. For AEC-Q100 qualified automotive deployments, the PIC32CM automotive grade variants are recommended instead - the I/PT grade shown here targets industrial and consumer applications rather than full automotive qualification.
מומלץ
Low-Cost 5V Industrial Sensor Hub
Industrial sensor hubs and remote I/O nodes use the PIC32CM6408MC00032T-I/PT as a 5V-tolerant Cortex-M0+ controller that aggregates analog and digital sensors and forwards data over RS-485, CAN or LIN. The 12-bit ADC reads up to 12 analog channels, the SERCOM peripherals drive SPI sensors and I2C devices, and the 26 GPIO expand the hub beyond typical 8-bit PIC16 designs. With 64 KB Flash, the MCU holds Modbus RTU or CANopen slave stacks plus customer application logic.
מומלץ
Consumer Appliance Motor Control
Consumer washing-machine drain pumps, dishwasher circulation pumps and refrigerator compressor boards use the PIC32CM6408MC00032T-I/PT for variable-speed BLDC or PMSM motor control, replacing mechanical relays with electronic commutation. The 5V-tolerant design and integrated motor-control PWM shorten BOM cost and PCB area, while the Cortex-M0+ core runs the same Harmony FOC libraries used in higher-end appliances. Pair the MCU with a low-cost 3-phase gate driver and an onboard 5V LDO from a 12-24V rectified AC input.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור PIC32CM6408MC00032T-I/PT — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | PIC32CM6408MC00032-I/PT | PIC32CM6408MC00032-E/PT | PIC32CM1216MC00032T-E/RTB |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 32-TQFP (7x7 mm) | 32-TQFP (7x7 mm) - same | 32-TQFP (7x7 mm) - same | 32-VQFN (5x5 mm) - DIFFERENT footprint |
| Core / Max Frequency | Cortex-M0+ / 48 MHz | Cortex-M0+ / 48 MHz | Cortex-M0+ / 48 MHz | Cortex-M0+ / 48 MHz |
| Flash / SRAM / EEPROM | 64 KB / 8 KB / 2 KB | 64 KB / 8 KB / 2 KB | 64 KB / 8 KB / 2 KB | 128 KB / 16 KB / 2 KB |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) |
| Packaging Medium | Tape & Reel (T) | Tray (no T) | Tray (no T) | Tape & Reel (T) |
| Motor-Control PWM | Yes (3-phase) | Yes (3-phase) | Yes (3-phase) | Yes (3-phase) |
| RoHS / Lead-Free | Yes / Yes | Yes / Yes | Yes / Yes | Yes / Yes |
מבדילים עיקריים
- Dedicated 3-phase motor-control PWM peripheral (לעומתPIC32CM1216MC00032T-E/RTB)
- Lower-cost Tape and Reel delivery (לעומתPIC32CM6408MC00032-I/PT (Tray))
- Wider Flash/RAM than competing Cortex-M0+ parts (לעומתPIC32CM1216MC00032T-E/RTB)
הערות תכנון
Place a 10uF ceramic + 100nF NPO/COG bypass capacitor pair within 3 mm of the VDD pin and a separate pair on the AVDD analog supply pin. Use a star-ground topology connecting AVSS and VSS at a single point near the MCU. Route analog ADC traces (current-shunt sense, back-EMF) over a continuous ground plane and away from PWM switching traces to minimize coupling noise. Estimated: with 10uF/100nF decoupling, the VDD rail ripple stays under 30 mVpp at 200 mA load steps typical of motor-control firmware.
The 32-pin TQFP package dissipates < 200 mW in typical motor-control firmware, well within the -40C to +85C industrial range without a heatsink. However, at 48 MHz CPU clock with all peripherals active, core supply current can reach 25 mA - confirm your 5V LDO can supply 100 mA peak including gate-driver current. Estimated: junction temperature rise above ambient ~ 8 C/W x 0.2 W = 1.6 C, negligible in normal operation.
Do not exceed 5.5 V on VDD or apply reverse polarity - the PIC32CM MC00 lacks internal reverse-battery protection. Use an external TVS diode (e.g., SMBJ5.0A) and Schottky reverse-polarity diode on the 12 V supply input for automotive robustness. Configure unused GPIO as outputs (not inputs) to avoid floating-pin shoot-through current. The MCP8024 companion gate driver should share the same 5V LDO as the MCU's DVDD to ensure logic-level compatibility.
מידע על תאימות
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - the I/PT grade is industrial, not automotive. Choose automotive-grade PIC32CM variants if AEC-Q100 is required.