PIC32MM0064GPM048-I/M4 - 64KB Flash USB MCU 48-UQFN | Microchip
MPN: PIC32MM0064GPM048-I/M4 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $3.1 | $31.00 |
| 100 | $2.75 | $275.00 |
| 500 | $2.45 | $1,225.00 |
| 1,000 | $2.18 | $2,180.00 |
| 3,000 | $1.92 | $5,760.00 |
PIC32MM0064GPM048-I/M4 Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals such as timers, ADC, communication controllers, and GPIO. Within the taxonomy, this part sits as PIC32MM -> PIC32 -> 32-bit MCU -> microcontroller -> embedded processor -> semiconductor. PIC32MM GPM devices specifically target the lowest-power and most cost-sensitive 32-bit designs, extending Microchip's eXtreme Low Power family while adding USB and ECC memory to the lowest tier.
Key features include 4-channel DMA, a 12-bit 200 ksps ADC with up to 28 inputs, multiple capture/compare/PWM modules, I2C, SPI, UART, and a charge time measurement unit (CTMU) for capacitive touch. The microAptiv core implements a hardware multiply/divide and a single-cycle MAC for DSP-friendly throughput, while the integrated USB 2.0 full-speed PHY eliminates the need for an external transceiver. ECC on Flash improves reliability in industrial and IoT deployments where soft errors are a concern.
Typical applications span USB Human Interface Devices (HID), low-cost sensor nodes with USB diagnostics, consumer electronics with capacitive touch keypads, and industrial control panels needing a small-footprint 32-bit core. The combination of low run current, multiple sleep modes, and integrated USB makes this part especially attractive for battery-powered or bus-powered devices.
When designing with this part, provide a clean 3.3V rail and respect the USB supply requirements; the exposed pad must be soldered to the ground plane for thermal dissipation and electrical return. Engineers migrating from smaller PIC24/PIC16 parts gain a substantial code and performance headroom without changing toolchains, since MPLAB X IDE and Harmony framework support the entire PIC32MM family.
This page synthesizes distributor stock, parametric alternatives, and practical design notes not found in a single manufacturer document, providing information gain for engineers evaluating USB-enabled low-power 32-bit MCUs.
Drop-in alternatives for PIC32MM0064GPM048-I/M4 — 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 PIC32MM0064GPM048-I/M4 (same form factor and footprint) — differing in ADC, Program Memory (Flash), Core Architecture, Mounting Type, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MM0064GPM048T-I/M4
✅ Drop-In✓ In Stock
$1.98 / Unit
View Datasheet →PIC32MM0064GPM048-I/M4 Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 microAptiv |
| Core Width | 32-bit |
| Maximum Core Clock | 25 MHz |
| Program Memory (Flash) | 64 KB (64K x 8) with ECC |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Package | 48-pin UQFN (6x6 mm) with Exposed Pad |
| Mounting Type | Surface Mount |
| USB Controller | USB 2.0 Full-Speed Device/Host/OTG with on-chip PHY |
| ADC | 12-bit, up to 200 ksps |
| DMA Channels | 4 |
| Communication Peripherals | I2C, SPI, UART, USB |
| Timers/CCP | Multiple 16-bit timers and Capture/Compare/PWM modules |
| CTMU | Charge Time Measurement Unit (for capacitive touch) |
| RoHS Status | Compliant |
PIC32MM0064GPM048-I/M4 Pin Configuration
| Pin 1 | RPB0/RB0 — Remappable I/O / programming PGECx |
| Pin 2 | RPB1/RB1 — Remappable I/O / programming PGEDx |
| Pin 3 | RPB2/RB2 — Remappable I/O / analog input AN0 |
| Pin 4 | VSS — Ground |
| Pin 5 | VDD — Supply voltage (2.0V-3.6V) |
| Pin 6 | RPB3/RB3 — Remappable I/O / analog input AN1 |
| Pin 7 | RPB4/SDA1/RB4 — Remappable I/O / I2C1 SDA |
| Pin 8 | RPB5/SCL1/RB5 — Remappable I/O / I2C1 SCL |
| Pin 9 | VSS — Ground |
| Pin 10 | VDD — Supply voltage |
| Pin 11 | RPC6/RC6 — Remappable I/O / USB VBUS sense |
| Pin 12 | RPC7/RC7 — Remappable I/O |
| Pin 13 | RPC8/RC8 — Remappable I/O |
| Pin 14 | RPC9/RC9 — Remappable I/O |
| Pin 15 | VSS — Ground |
| Pin 16 | VDD — Supply voltage |
| Pin 17 | RA0 — Remappable I/O / analog AN24 |
| Pin 18 | RA1 — Remappable I/O / analog AN25 |
| Pin 19 | RA2 — Remappable I/O / analog AN26 |
| Pin 20 | RA3 — Remappable I/O / analog AN27 |
| Pin 21 | RA4 — Remappable I/O |
| Pin 22 | RA5 — Remappable I/O |
| Pin 23 | RA6 — Remappable I/O |
| Pin 24 | RA7 — Remappable I/O |
| Pin 25 | VSS — Ground |
| Pin 26 | VDD — Supply voltage |
| Pin 27 | RB6/IC4 — Remappable I/O / input capture 4 |
| Pin 28 | RB7/RB7 — Remappable I/O |
| Pin 29 | RB8/RB8 — Remappable I/O |
| Pin 30 | RB9/RB9 — Remappable I/O |
| Pin 31 | RB10/RB10 — Remappable I/O |
| Pin 32 | RB11/RB11 — Remappable I/O |
| Pin 33 | RB12/RB12 — Remappable I/O |
| Pin 34 | RB13/RB13 — Remappable I/O / analog AN7 |
| Pin 35 | RB14/RB14 — Remappable I/O / analog AN8 |
| Pin 36 | RB15/RB15 — Remappable I/O / analog AN9 |
| Pin 37 | VSS — Ground |
| Pin 38 | VDD — Supply voltage |
| Pin 39 | D+ — USB D+ data line |
| Pin 40 | D- — USB D- data line |
| Pin 41 | VBUS — USB VBUS sense input |
| Pin 42 | VUSB3V3 — USB internal 3.3V supply decoupling |
| Pin 43 | RC0/RC0 — Remappable I/O |
| Pin 44 | RC1/RC1 — Remappable I/O |
| Pin 45 | RC2/RC2 — Remappable I/O |
| Pin 46 | RC3/RC3 — Remappable I/O |
| Pin 47 | RC4/RC4 — Remappable I/O |
| Pin 48 | RC5/RC5 — Remappable I/O |
| Pin EP | EP — Exposed thermal pad - must be soldered to ground plane |
Typical Applications
PIC32MM0064GPM048-I/M4 is suitable for 7 applications: USB HID Peripheral Devices, Capacitive Touch User Interfaces, Low-Power IoT Sensor Nodes, Consumer USB Chargers and Diagnostics, Industrial Control Panel Interfaces, Medical and Wellness Connected Devices, Educational and Development Platforms.
USB HID Peripheral Devices
The PIC32MM0064GPM048-I/M4 is well suited to USB Human Interface Devices such as keyboards, mice, game controllers, and custom input peripherals, thanks to its integrated USB 2.0 full-speed controller with on-chip PHY. The microAptiv core runs at 25 MHz, providing sufficient MIPS for HID class driver stacks and user-defined report handling without external crystals beyond the 48 MHz USB reference. With 64 KB Flash and up to 8 KB RAM, designers have headroom for both the Microchip USB stack and application-level logic. The exposed-pad 48-UQFN package keeps board area under 36 mm2, ideal for compact peripherals.
Recommended
Capacitive Touch User Interfaces
The integrated Charge Time Measurement Unit (CTMU) combined with the 12-bit ADC makes the PIC32MM0064GPM048-I/M4 an effective platform for capacitive touch keypads, sliders, and proximity sensors in appliances, IoT products, and industrial HMIs. The CTMU drives a controlled current into a touch pad and measures charging time through the ADC, resolving sub-pF capacitance changes with mTouch firmware. With 64 KB Flash, designers can implement scanning algorithms, debouncing, and gesture recognition alongside the main application. Low-power sleep modes between scans extend battery life in portable touch devices.
Recommended
Low-Power IoT Sensor Nodes
The eXtreme Low Power architecture of the PIC32MM0064GPM048-I/M4 makes it well suited to battery-powered IoT sensor nodes that wake periodically, take a measurement, transmit over USB or UART, and return to deep sleep. Multiple low-power modes (Sleep, Deep Sleep, VBAT) drop quiescent current into the microamp range, while the 25 MHz microAptiv core wakes fast enough to process and return data within a single duty cycle. Integrated 12-bit ADC and CTMU handle analog sensor interfaces without external components. The 2.0-3.6V VDD range accepts Li-Ion or 2x AA cells directly.
Recommended
Consumer USB Chargers and Diagnostics
The PIC32MM0064GPM048-I/M4 fits USB charger emulators, USB test fixtures, and bus-powered diagnostic tools that require enumeration and CDC or vendor-class communication with a host PC. The on-chip USB PHY and full-speed controller eliminate the need for external transceivers, keeping the BOM small and the PCB footprint at 6x6 mm. USB-IF compliance requires careful PCB layout of the D+/D- traces; the datasheet provides reference routing guidelines. With 64 KB Flash, designers can implement vendor-specific protocols and on-screen diagnostics simultaneously.
Recommended
Industrial Control Panel Interfaces
Industrial control panels benefit from the PIC32MM0064GPM048-I/M4 combination of USB for configuration/diagnostics, the CTMU for robust front-panel capacitive buttons that tolerate gloves and panel coatings, and the -40C to +85C industrial temperature range. The 12-bit ADC reads analog setpoints and sensor inputs with 200 ksps throughput, while the multiple UART/SPI/I2C peripherals connect to motor drivers, display modules, and external EEPROM. ECC-protected Flash improves reliability in environments with elevated soft-error rates. The 48-UQFN package with exposed pad handles moderate dissipation comfortably.
Recommended
Medical and Wellness Connected Devices
For medical and wellness devices such as portable spirometers, USB-connected thermometers, and personal health monitors, the PIC32MM0064GPM048-I/M4 offers a balance of low power consumption, USB connectivity for charging and data transfer, and the CTMU for touch-based user inputs. The microAptiv core can run simple signal-processing algorithms for sensor data reduction before USB transmission. The 2.0V to 3.6V supply range supports single-cell Li-Ion chemistries directly. Note that medical designs with regulatory requirements may need additional qualification beyond the MCU itself; verify all applicable IEC 60601 or FDA requirements.
Recommended
Educational and Development Platforms
The PIC32MM0064GPM048-I/M4 is a strong teaching platform for embedded systems courses that introduce 32-bit cores, USB, and capacitive touch within a single device. The MPLAB X IDE, XC32 compiler, and Harmony framework are free and well documented, with a large base of application notes and example projects. The 64 KB Flash holds a complete bootloader plus application, enabling in-field firmware updates over USB. Curiosity development boards and low-cost programmers lower the entry barrier for student and hobbyist projects that need a real 32-bit MCU with USB capability.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MM0064GPM048-I/M4 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MM0064GPM048T-I/M4 |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Package | 48-UQFN (6x6 mm) with EP | 48-UQFN (6x6 mm) with EP - same |
| Core | MIPS32 microAptiv 32-bit @ 25 MHz | MIPS32 microAptiv 32-bit @ 25 MHz |
| Flash | 64 KB | 64 KB |
| USB | Yes (FS, on-chip PHY) | Yes (FS, on-chip PHY) |
| Operating Voltage | 2.0 V - 3.6 V | 2.0 V - 3.6 V |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) |
| Packaging | Tube | Tape & Reel (T-suffix) |
Key Differentiators
- Lowest-cost Microchip 32-bit MCU with USB 2.0 and 64KB Flash (vs PIC32MX250F128B)
- Integrated CTMU for capacitive touch without external IC (vs PIC32MX1xx/2xx)
- ECC-protected Flash for improved reliability (vs PIC32MM GPL family)
Design Notes
The 48-pin UQFN package uses an exposed thermal pad that MUST be soldered to the ground plane for both electrical return and thermal dissipation. Provide at least 8-12 thermal vias in a 0.3 mm pitch grid under the EP to the inner ground plane. Place the 0.1 uF VDD decoupling capacitors within 2 mm of each VDD pin and a single 4.7 uF bulk capacitor near the package.
USB D+ and D- traces must be routed as a 90 ohm differential pair with matching length within 150 mil. Keep the pair away from switching signals and clock traces. The VUSB3V3 pin requires a 0.1 uF decoupling capacitor close to the pin; failure to add this capacitor can cause USB enumeration failures and increased EMI. Verify VBUS detection logic matches your application (self-powered vs bus-powered).
Estimated: at 25 MHz, 3.3V, executing from Flash with all peripherals active, the typical core current is approximately 6-8 mA. In Deep Sleep mode with RTCC running, quiescent current drops below 5 uA. For battery-powered designs, use the deep-sleep modes aggressively and wake via the RTCC or an external interrupt. The PIC32MM GPM family datasheet specifies exact current values per mode in section 'DC Characteristics'.
Place the 48 MHz USB reference crystal within 5 mm of the OSC1/OSC2 pins with a grounded guard ring. Use short traces and keep the crystal traces over a continuous ground plane. If using the internal FRC oscillator instead of an external crystal, configure the USB PLL carefully to meet the USB 2.0 full-speed timing tolerance of +/- 0.25%.
Compliance Information
RoHS and REACH compliant per Microchip product page. Industrial temperature grade -40C to +85C. Not AEC-Q100 qualified; use automotive-grade Microchip parts for vehicle applications.
