PIC32CM6408MC00032-I/PT - 48MHz Cortex-M0+ 64KB Flash MCU | Microchip
MPN: PIC32CM6408MC00032-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $3.07 | $30.70 |
| 100 | $2.74 | $274.00 |
| 500 | $2.45 | $1,225.00 |
| 1,000 | $2.18 | $2,180.00 |
PIC32CM6408MC00032-I/PT Overview
A microcontroller (MCU) is a single-chip computer containing a processor core, program memory (Flash), working memory (RAM), data EEPROM, and a rich set of on-chip peripherals. In the broader taxonomy, the PIC32CM MC00 family sits under 32-bit microcontrollers, then ARM Cortex-M0+ based MCUs, then microcontrollers, then embedded semiconductors. This 5V-tolerant family is engineered for consumer, commercial, industrial, and automotive use in electrically noisy environments where 3.3V-only parts would be unreliable.
Key features include a wide 2.7 V to 5.5 V supply range, hardware LIN support, multiple SERCOM-style serial interfaces (I2C, SMBus, IrDA, RS-485), 12-bit ADC, and a powerful motor control PWM with complementary outputs and dead-band insertion. The device also integrates a true random number generator (TRNG) and supports capacitive touch via the Peripheral Touch Controller (PTC), enabling HMI and motor drive combinations on a single die.
Architecturally, the PIC32CM MC00 combines an ARM Cortex-M0+ core licensed from Arm with Microchip's proprietary peripheral set and CIP (Core Independent Peripherals) such as the Event System, Configurable Custom Logic (CCL), and motor-control timer/counter. Designers benefit from the dual ecosystem: the ARM toolchain (CMSIS, GCC, IAR, Keil) for code development, plus Microchip's MPLAB X IDE, MCC code generator, and Harmony framework for middleware and motor-control libraries.
Typical applications include BLDC and PMSM motor drives (fans, pumps, appliance compressors), HVAC actuators, e-bike controllers, power tools, automotive body and accessory modules, and industrial sensor hubs. The 5V tolerance and LIN bus support make it a strong fit for cost-sensitive nodes that previously relied on 8-bit MCUs but need Cortex-M0+ compute for field-oriented control (FOC).
When designing with this part, allocate the 8 KB SRAM carefully - use the 2 KB EEPROM for non-volatile parameter storage to avoid wear-leveling on Flash, and reserve DMA channels for high-speed ADC-to-PWM data paths in motor loops. The 32-pin TQFP leaves limited analog channel count; choose the 48- or 64-pin variants if more ADC inputs or PWMs are required.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives across the PIC32CM MC00 family, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for PIC32CM6408MC00032-I/PT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC32CM6408MC00032-I/PT (same form factor and footprint) — differing in Package, Operating Temperature, Core, ADC, Communication Peripherals.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32CM1216MC00032-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.95 / Unit
View Datasheet →PIC32CM1216MC00032-E/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32CM6408MC00032-E/PT
✅ Drop-In✓ In Stock
$2.74 / Unit
View Datasheet →PIC32CM6408MC00032-I/RTB
✅ Drop-In✓ In Stock
$2.55 / Unit
View Datasheet →PIC32CM1216MC00032-E/RTB
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.07 / Unit
View Datasheet →PIC32CM1216MC00032T-E/RTB
✅ Drop-In✓ In Stock
$1.62 / Unit
View Datasheet →PIC32CM6408MC00032-I/PT Maximum Ratings & Electrical Characteristics
| Core | ARM Cortex-M0+ (32-bit, single-core) |
| Maximum Clock Frequency | 48 MHz |
| Program Memory (Flash) | 64 KB (64K x 8) |
| SRAM | 8 KB (8K x 8) |
| EEPROM | 2 KB (2K x 8) |
| Supply Voltage | 2.7 V to 5.5 V |
| Operating Temperature | -40C to +85C (Industrial) |
| GPIO Pins | 26 |
| Package | 32-pin TQFP (7x7 mm) |
| Mounting Type | Surface Mount |
| Connectivity | I2C, IrDA, LINbus, RS-485, SERCOM, SMBus |
| ADC | 12-bit |
| Motor Control PWM | Yes (with complementary outputs and dead-band) |
| Peripheral Touch Controller (PTC) | Yes |
| MSL Level | MSL3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant |
PIC32CM6408MC00032-I/PT Pin Configuration
| Pin 1 | PA00 — PORT I/O, peripheral function A |
| Pin 2 | PA01 — PORT I/O, peripheral function A |
| Pin 3 | PA02 — PORT I/O, peripheral function A |
| Pin 4 | PA03 — PORT I/O, peripheral function A |
| Pin 5 | PA04 — PORT I/O, peripheral function A |
| Pin 6 | PA05 — PORT I/O, peripheral function A |
| Pin 7 | PA06 — PORT I/O, peripheral function A |
| Pin 8 | PA07 — PORT I/O, peripheral function A |
| Pin 9 | VDD — Digital supply voltage |
| Pin 10 | GND — Ground |
| Pin 11 | PA08 — PORT I/O, peripheral function B |
| Pin 12 | PA09 — PORT I/O, peripheral function B |
| Pin 13 | PA10 — PORT I/O, peripheral function B |
| Pin 14 | PA11 — PORT I/O, peripheral function B |
| Pin 15 | PA14 — PORT I/O, peripheral function C |
| Pin 16 | PA15 — PORT I/O, peripheral function C |
| Pin 17 | PA16 — PORT I/O, peripheral function C |
| Pin 18 | PA17 — PORT I/O, peripheral function C |
| Pin 19 | PA18 — PORT I/O, peripheral function C |
| Pin 20 | PA19 — PORT I/O, peripheral function D |
| Pin 21 | PA20 — PORT I/O, peripheral function D |
| Pin 22 | PA21 — PORT I/O, peripheral function D |
| Pin 23 | PA22 — PORT I/O, peripheral function D |
| Pin 24 | PA23 — PORT I/O, peripheral function D |
| Pin 25 | PA24 — PORT I/O, peripheral function D |
| Pin 26 | PA25 — PORT I/O, peripheral function D |
| Pin 27 | VDD — Digital supply voltage |
| Pin 28 | GND — Ground |
| Pin 29 | RESET — Reset input, active low |
| Pin 30 | SWDIO — Serial Wire Debug I/O |
| Pin 31 | SWCLK — Serial Wire Debug Clock |
| Pin 32 | PA30 — PORT I/O, peripheral function D |
Typical Applications
PIC32CM6408MC00032-I/PT is suitable for 7 applications: BLDC / PMSM Motor Control, Automotive Body Electronics & LIN Nodes, HVAC & Appliance Control, Industrial Sensor Hubs & IoT Edge Nodes, Power Tools & Battery-Powered Drives, Capacitive Touch HMI with Motor Control, LED Lighting Drivers & Dimmers.
BLDC / PMSM Motor Control
The PIC32CM6408MC00032-I/PT is purpose-built for BLDC and PMSM motor drives, integrating 48 MHz Cortex-M0+ compute, dedicated motor-control PWMs with complementary outputs and dead-band insertion, and a 12-bit ADC capable of high-speed current sensing. With 8 KB SRAM and 64 KB Flash, the device runs sensorless field-oriented control (FOC) and trapezoidal commutation loops at 8-20 kHz PWM. The 5V-tolerant I/O interfaces directly to 5V gate drivers without external level shifters. The 2 KB on-chip EEPROM stores motor calibration data and OEM parameters, eliminating external non-volatile memory. Real-world applications include small appliance fans, refrigerator compressors, and 100-300 W power tool drives where the part's price-per-MIPS and LIN capability deliver strong value. Best paired with companion gate drivers like the MCP8021 or MCP8026.
Recommended
Automotive Body Electronics & LIN Nodes
The PIC32CM6408MC00032-I/PT is well suited to automotive body modules and LIN-connected nodes thanks to its on-chip LIN 2.x hardware support, 5V tolerance for direct connection to 12V battery rails via external LIN transceivers, and 48 MHz Cortex-M0+ core for protocol stacks. The device operates over the industrial -40C to +85C range, handles ESD events typical of body electronics environments, and integrates 64 KB Flash for LIN stack + application code. Use cases include window lift modules, seat controllers, mirror adjusters, HVAC flaps, and ambient lighting nodes. The 26 GPIO drive small LED matrices or relay banks; the 12-bit ADC reads position sensors and temperature. Pair with the ATA663231 LIN transceiver for production-grade LIN nodes.
Recommended
HVAC & Appliance Control
The PIC32CM6408MC00032-I/PT enables cost-sensitive HVAC and appliance controllers by combining Cortex-M0+ compute with 5V tolerance, motor-control PWMs, and 12-bit ADC for temperature and pressure sensing. Its 64 KB Flash hosts IEC 60730 Class B safety library code plus application logic, while the 2 KB EEPROM stores user settings across power cycles. The SERCOM-style USARTs connect to Wi-Fi/BLE modules for smart-appliance variants; SPI ports drive graphical or segment LCDs. Applications include washing machine drum controllers, dishwasher pumps, refrigerator inverter compressors, and air-conditioner indoor unit fan control. The 8 KB SRAM is sufficient for FOC on small compressors. Pair with the MCP2517FD CAN-FD controller for appliance bus connectivity.
Recommended
Industrial Sensor Hubs & IoT Edge Nodes
The PIC32CM6408MC00032-I/PT serves industrial sensor aggregation nodes with Cortex-M0+ compute, 5V tolerance for legacy 24V/4-20 mA loops via external signal conditioning, and a 12-bit ADC with adequate channels for multi-sensor inputs. The SERCOM interfaces connect to RS-485 transceivers for Modbus RTU masters/slaves, and the I2C/SPI buses host industrial sensors. The 2 KB EEPROM stores calibration coefficients that would otherwise require external memory. Application examples include multi-sensor transmitters, environmental monitors, factory-floor IO aggregators, and Modbus gateway endpoints. The 64 KB Flash and MPLAB Harmony middleware accelerate IO-Link and Modbus stack integration. Pair with the ISL3179 RS-485 transceiver for industrial bus nodes.
Recommended
Power Tools & Battery-Powered Drives
The PIC32CM6408MC00032-I/PT targets cordless power tools and battery-powered drives requiring BLDC motor control on a tight BOM. Its 2.7-5.5V range covers 3S-5S Li-ion packs via external regulators, and the motor-control PWM directly drives gate drivers for the BLDC stages. The 48 MHz core and 64 KB Flash implement torque control, current limiting, and battery management logic. The 2 KB EEPROM stores tool usage statistics and battery cycle counts. Applications include cordless drills, impact drivers, leaf blowers, and small e-mobility devices. Pair with the MCP1812 LDO for low-Iq standby and the MCP8026 3-phase gate driver for compact motor stages.
Recommended
Capacitive Touch HMI with Motor Control
The PIC32CM6408MC00032-I/PT uniquely integrates the Peripheral Touch Controller (PTC) alongside motor-control PWMs, enabling single-chip capacitive-touch HMIs combined with motor or LED drivers. With up to 26 GPIO and the PTC's hardware-driven touch acquisition, the device reads 5-12 touch buttons or a small slider while simultaneously driving a BLDC fan or LED array. The 64 KB Flash accommodates both touch libraries and motor-control code; the 8 KB SRAM buffers touch scans and motor-loop data. Use cases include smart-home fan controllers, induction cooktop UIs, washing machine front panels, and IoT thermostats. The Cortex-M0+ runs QTouch libraries without taxing CPU cycles. Pair with the AT42QT1010 for additional touch channels if needed.
Recommended
LED Lighting Drivers & Dimmers
The PIC32CM6408MC00032-I/PT drives commercial and industrial LED luminaires by combining 5V-tolerant PWM channels, 12-bit ADC for color-mixing feedback, and Cortex-M0+ compute for DMX/DALI/Casambi protocols. The 64 KB Flash implements DALI-2 or DMX512 stack; the 2 KB EEPROM stores fade curves and addresses. With 26 GPIO, the part can drive multi-channel LED strings via external MOSFET drivers. The wide 2.7-5.5V supply accepts common 12V/24V LED bus voltages via external buck regulators. Application examples include architectural lighting, grow-light controllers, DMX pixel drivers, and tunable-white fixtures. Pair with the MCP16331 buck regulator for constant-current LED driver stages.
Recommended
Recommended Products Summary
Engineering reference data for PIC32CM6408MC00032-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32CM1216MC00032-I/PT | PIC32CM1216MC00032-E/PT | PIC32CM6408MC00032-E/PT | PIC32CM6408MC00032-I/RTB | PIC32CM1216MC00032-E/RTB | PIC32CM1216MC00032T-E/RTB |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 32-pin TQFP (7x7 mm) | 32-pin TQFP (7x7 mm) - same | 32-pin TQFP (7x7 mm) - same | 32-pin TQFP (7x7 mm) - same | 32-pin VQFN (5x5 mm) | 32-pin VQFN (5x5 mm) | 32-pin VQFN (5x5 mm) |
| Core | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ |
| Maximum Clock Frequency | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Flash | 64 KB | 128 KB (+100%) | 128 KB (+100%) | 64 KB (same) | 64 KB (same) | 128 KB (+100%) | 128 KB (+100%) |
| SRAM | 8 KB | 16 KB (+100%) | 16 KB (+100%) | 8 KB (same) | 8 KB (same) | 16 KB (+100%) | 16 KB (+100%) |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) |
| Motor Control PWM | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Unit Price (1pc, USD) | 3.42 | Approximately 4.20 | Approximately 4.50 | Approximately 3.55 | Approximately 3.40 | Approximately 4.45 | Approximately 4.45 |
Key Differentiators
- Wide 5V tolerance for direct 5V system integration (vs PIC32CM1216MC00032-I/PT)
- Integrated motor-control PWM with dead-band (vs PIC32CM6408MC00032-E/PT (extended temp variant))
- Larger Flash and SRAM headroom in 1216 variant (vs PIC32CM1216MC00032-I/PT)
- Compact 5x5 mm VQFN for space-constrained designs (vs PIC32CM6408MC00032-I/RTB)
Design Notes
The PIC32CM6408MC00032-I/PT operates from 2.7 V to 5.5 V and draws approximately 8 mA active at 48 MHz with all peripherals on. Place a 100 nF decoupling capacitor within 5 mm of each VDD pin pair (pins 9/27 on TQFP-32) and a bulk 4.7 uF tantalum or ceramic capacitor on the main rail. For battery-powered designs, use the on-chip low-power Sleep and Idle modes - typical Sleep current is 5 uA with RTC running, enabling sub-mA average consumption in duty-cycled sensor nodes.
In the TQFP-32 (7x7 mm) package, the junction-to-ambient thermal resistance (theta_JA) is approximately 60 C/W on a 2-layer JEDEC EIA/JESD51 test board with 1 oz copper. Estimated for continuous full-load 48 MHz operation with all peripherals active, internal dissipation reaches ~80 mW, yielding ~5 C junction rise above ambient - well within the -40C to +85C industrial range. For sustained motor-control PWM outputs at high switching rates, copper-pour ground under the exposed pad on larger-pin variants helps dissipate additional power.
For motor-control designs, isolate analog grounds (AGND) from noisy digital grounds using a star-ground or split-plane topology under the TQFP-32 footprint. Keep the 12-bit ADC traces short and away from PWM switching nodes; add a ground guard ring around sensitive analog input pins. The on-chip Peripheral Touch Controller (PTC) requires careful PCB layout - touch electrodes should have a 2-3 mm ground flood around them, with no signal traces passing underneath. Place the SWD header near the SWDIO/SWCLK pins (30/31) for debug access.
Common pitfalls with the PIC32CM6408MC00032-I/PT: (1) the 8 KB SRAM fills quickly when using large motor-control look-up tables - move sin/cos tables to Flash and use the 2 KB EEPROM for calibration data only; (2) the LIN 2.x stack requires the LIN transceiver's Vbat-tolerant wake capability - the MCU's LIN pins are 5V-tolerant but cannot drive the bus directly; (3) the 32-pin TQFP limits analog channel count - if your design needs more than 8-10 analog inputs, choose the 48-pin TQFP or 64-pin TQFP variants.
For PWM outputs driving motor power stages, place a small RC snubber (10 ohm + 1 nF) at each PWM output when driving long cables (>50 mm) to suppress dv/dt ringing. The PIC32CM6408MC00032-I/PT can source/sink up to 8 mA per GPIO with 20 mA total budget; if driving gate drivers directly, verify the driver's input current is within budget. For SERCOM/SPI signals exceeding 10 MHz, add 33 ohm series-termination resistors at the driver end to dampen reflections on longer PCB traces.
Compliance Information
Industrial-grade part -40C to +85C. RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - the PIC32CM MC00 family does not have automotive Q1 variants. For automotive applications, the dsPIC33CK or PIC32MX family offers AEC-Q100 options.
