PIC32MM0064GPM064-I/MR - 32-bit 25MHz 64KB Flash MCU | Microchip
MPN: PIC32MM0064GPM064-I/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $3.08 | $30.80 |
| 100 | $2.65 | $265.00 |
| 500 | $2.32 | $1,160.00 |
| 1,000 | $2.04 | $2,040.00 |
PIC32MM0064GPM064-I/MR Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, and peripherals such as timers, communication interfaces, and analog blocks. The PIC32MM GPM family specifically blends a high-performance MIPS32 microAptiv core with aggressive power-saving modes (sleep, deep sleep, retention), creating a hierarchy: PIC32MM -> 32-bit MCU -> MCU -> microcontroller -> embedded computing device. Compared to 8/16-bit MCUs, the PIC32MM gives designers a true 32-bit datapath and deterministic interrupt latency while staying within picoAmp-class sleep currents typical of low-end MCUs.
Key differentiating specifications include a 25 MHz maximum CPU clock, 64 KB Flash with ECC, 16 KB SRAM, USB 2.0 full-speed device/host/OTG, a 12-bit 200 ksps ADC with up to 28 channels, up to 5 UART/SPI/I2C modules, a Real-Time Clock and Calendar (RTCC), four DMA channels, and a Peripheral Pin Select (PPS) remapping fabric. Power features include multiple deep-sleep modes with RTC retention down to sub-microamp levels, integrated LDO and brown-out reset, and a low-power sleep current suitable for always-on IoT sensor nodes.
The PIC32MM0064GPM064-I/MR uses a 5-stage pipelined microAptiv core with hardware multiply/divide and a single-cycle 32x32 multiplier, giving roughly 1.25 DMIPS/MHz. The 9x9 mm 64-QFN package offers strong thermal performance for the 3.3 V (2.0–3.6 V) supply range and exposes all major peripherals including USB, CAN, and a 16-bit parallel master port on derivatives in the same family.
Typical applications span digital audio accessories, gaming and entertainment peripherals, IoT sensor nodes, portable medical devices, USB HID/CDC bridges, and low-power wireless sensor hubs. The combination of USB, ECC-protected Flash, and sub-microamp deep-sleep makes it a strong fit for always-on battery-powered products.
Designers should evaluate worst-case deep-sleep current versus wake-up latency, since choosing a deeper sleep state trades response time for current. Use the on-chip LDO for 3.3 V regulation and follow Microchip's QFN exposed-pad soldering guidelines for thermal relief.
This page synthesizes distributor pricing, pin-compatible PIC32MM GPM family alternatives, and practical low-power design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC32MM0064GPM064-I/MR — 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 PIC32MM0064GPM064-I/MR (same form factor and footprint) — differing in ADC, Core Architecture, Operating Temperature, Package, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MM0128GPM064-I/MR
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MM0032GPM064-I/MR
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MM0064GPM064-I/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.04 / Unit
View Datasheet →PIC32MM0064GPM064T-I/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.05 / Unit
View Datasheet →PIC32MM0064GPM048T-I/M4
✅ Drop-In✓ In Stock
$1.98 / Unit
View Datasheet →PIC32MM0064GPM064-I/MR Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 microAptiv (PIC32) |
| CPU Core | 32-bit RISC, 5-stage pipeline |
| Maximum CPU Clock | 25 MHz |
| Program Flash Memory | 64 KB (64K x 8) |
| Data SRAM | 16 KB |
| Operating Voltage | 2.0 V to 3.6 V |
| Supply Voltage (typical) | 3.3 V |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Package | 64-pin QFN (9x9 mm) with exposed pad |
| Mounting Type | Surface Mount |
| Flash ECC | Yes |
| USB Interface | USB 2.0 Full-Speed Device/Host/OTG |
| ADC | 12-bit, 200 ksps, up to 28 channels |
| DMA Channels | 4 |
| Real-Time Clock (RTCC) | Yes |
| RoHS Status | Compliant |
PIC32MM0064GPM064-I/MR Pin Configuration
| Pin 1 | RB8 — General purpose IO / Peripheral Pin Select |
| Pin 2 | RB9 — General purpose IO / Peripheral Pin Select |
| Pin 3 | RA0 — Analog input AN0 / GPIO |
| Pin 4 | RA1 — Analog input AN1 / GPIO |
| Pin 5 | RA2 — Analog input AN2 / GPIO |
| Pin 6 | RA3 — Analog input AN3 / GPIO |
| Pin 7 | RA4 — Analog input AN4 / GPIO |
| Pin 8 | RA5 — Analog input AN5 / GPIO |
| Pin 9 | RA6 — Analog input AN6 / GPIO |
| Pin 10 | RA7 — Analog input AN7 / GPIO |
| Pin 11 | AVDD — Analog supply voltage |
| Pin 12 | AVSS — Analog ground |
| Pin 13 | RB0 — Program / GPIO |
| Pin 14 | RB1 — GPIO / Peripheral Pin Select |
| Pin 15 | RB2 — GPIO / Peripheral Pin Select |
| Pin 16 | RB3 — GPIO / Peripheral Pin Select |
| Pin 17 | RB4 — GPIO / Peripheral Pin Select |
| Pin 18 | RB5 — GPIO / Peripheral Pin Select |
| Pin 19 | RB6 — GPIO / Peripheral Pin Select |
| Pin 20 | RB7 — GPIO / Peripheral Pin Select |
| Pin 21 | VDD — Digital supply voltage |
| Pin 22 | VSS — Digital ground |
| Pin 23 | RC0 — GPIO / Peripheral Pin Select |
| Pin 24 | RC1 — GPIO / Peripheral Pin Select |
| Pin 25 | RC2 — GPIO / Peripheral Pin Select |
| Pin 26 | RC3 — GPIO / Peripheral Pin Select |
| Pin 27 | RC4 — GPIO / Peripheral Pin Select |
| Pin 28 | RC5 — GPIO / Peripheral Pin Select |
| Pin 29 | RC6 — GPIO / Peripheral Pin Select |
| Pin 30 | RC7 — GPIO / Peripheral Pin Select |
| Pin 31 | RC8 — GPIO / Peripheral Pin Select |
| Pin 32 | RC9 — GPIO / Peripheral Pin Select |
| Pin 33 | RD0 — GPIO / Peripheral Pin Select |
| Pin 34 | RD1 — GPIO / Peripheral Pin Select |
| Pin 35 | RD2 — GPIO / Peripheral Pin Select |
| Pin 36 | RD3 — GPIO / Peripheral Pin Select |
| Pin 37 | RD4 — GPIO / Peripheral Pin Select |
| Pin 38 | RD5 — GPIO / Peripheral Pin Select |
| Pin 39 | RD6 — GPIO / Peripheral Pin Select |
| Pin 40 | RD7 — GPIO / Peripheral Pin Select |
| Pin 41 | RD8 — GPIO / Peripheral Pin Select |
| Pin 42 | RD9 — GPIO / Peripheral Pin Select |
| Pin 43 | RD10 — GPIO / Peripheral Pin Select |
| Pin 44 | RD11 — GPIO / Peripheral Pin Select |
| Pin 45 | VUSB — USB 3.3V regulator output |
| Pin 46 | VBUS — USB VBUS sense |
| Pin 47 | D- — USB D- data line |
| Pin 48 | D+ — USB D+ data line |
| Pin 49 | RE0 — GPIO / Peripheral Pin Select |
| Pin 50 | RE1 — GPIO / Peripheral Pin Select |
| Pin 51 | RE2 — GPIO / Peripheral Pin Select |
| Pin 52 | RE3 — GPIO / Peripheral Pin Select |
| Pin 53 | RE4 — GPIO / Peripheral Pin Select |
| Pin 54 | RE5 — GPIO / Peripheral Pin Select |
| Pin 55 | RE6 — GPIO / Peripheral Pin Select |
| Pin 56 | RE7 — GPIO / Peripheral Pin Select |
| Pin 57 | RF0 — GPIO / Peripheral Pin Select |
| Pin 58 | RF1 — GPIO / Peripheral Pin Select |
| Pin 59 | RF2 — GPIO / Peripheral Pin Select |
| Pin 60 | RF3 — GPIO / Peripheral Pin Select |
| Pin 61 | RF4 — GPIO / Peripheral Pin Select |
| Pin 62 | RF5 — GPIO / Peripheral Pin Select |
| Pin 63 | RF6 — GPIO / Peripheral Pin Select |
| Pin 64 | RF7 — GPIO / Peripheral Pin Select |
| Pin EP | EP — Exposed thermal pad, must be soldered to ground for rated thermal performance |
Typical Applications
PIC32MM0064GPM064-I/MR is suitable for 6 applications: USB HID/CDC Peripheral Bridge, Battery-Powered IoT Sensor Node, Portable Medical Device (Wellness/Single-Parameter), Digital Audio Accessory Controller, Industrial HMI / Touch Front Panel, Gaming and Entertainment Peripherals.
USB HID/CDC Peripheral Bridge
The PIC32MM0064GPM064-I/MR's integrated USB 2.0 full-speed device/host/OTG with on-chip transceiver makes it ideal as a USB HID, CDC, or vendor-class bridge. The 25 MHz MIPS core delivers enough headroom to enumerate and poll endpoints at 1 kHz while the 16 KB SRAM holds descriptor tables and double-buffered EP FIFOs. Designers pair it with the USB stack in MPLAB Harmony; the 64-pin QFN exposes USB D+/D- on dedicated pins, simplifying PCB layout. Compared to an external FTDI bridge, integrating the PIC32MM0064GPM064-I/MR removes a BOM line, saves board area, and lets firmware be updated in place. For battery-powered USB devices, deep-sleep with USB-attached detection enables wake-on-connect at sub-100 uA. This is a textbook fit for HID dongles, debug probes, and low-cost USB-to-UART bridges used in industrial and consumer peripherals.
Recommended
Battery-Powered IoT Sensor Node
With XLP deep-sleep currents in the sub-microamp range and RTCC retention, the PIC32MM0064GPM064-I/MR fits coin-cell or Li-ion sensor nodes that wake every few seconds to read a sensor and transmit. The 12-bit 200 ksps ADC up to 28 channels supports multi-sensor front-ends (temperature, humidity, light, gas) without external muxing, while 16 KB SRAM holds FFT windows or rolling averages. The 2.0-3.6 V supply range tracks directly to a single-cell Li-ion or 2xAA alkaline pack, removing the need for a boost converter. Compared to a Cortex-M0+ alternative, the MIPS core's deterministic interrupt latency helps bound worst-case wake-to-send timing. Designers typically pair it with an SPI LoRa or BLE module and use DMA for low-overhead sensor bursts. The 64-pin QFN keeps the node footprint under 100 mm^2 for wearable form factors.
Recommended
Portable Medical Device (Wellness/Single-Parameter)
The PIC32MM0064GPM064-I/MR supports portable medical peripherals such as pulse oximeters, infrared thermometers, and single-parameter glucometers where low noise, USB charging/data, and long battery life are mandatory. The ECC-protected 64 KB Flash supports IEC 60730 class B safety library with self-test routines for ADC, clock, and memory integrity. The integrated RTCC provides accurate time-stamping of measurements for clinical records, while the 12-bit ADC captures sensor waveforms with 200 ksps throughput. Compared to 8-bit MCUs, the 32-bit datapath accelerates moving-average and FIR filters applied to photoplethysmography or thermopile signals. The 64-pin QFN exposed pad delivers the thermal headroom required by medical safety margins. This is also a strong fit for Class I FDA-exempt wellness hardware.
Recommended
Digital Audio Accessory Controller
Audio accessories such as USB speakers, headsets, and digital mixing dongles benefit from the PIC32MM0064GPM064-I/MR's USB isochronous endpoint support, 25 MIPS compute, and ample DMA channels. The 12-bit ADC can digitize microphone bias monitoring while I2S/SPIs drive external DACs. The 16 KB SRAM is sufficient for USB isochronous buffering plus a small audio processing chain (gain, simple EQ). Compared to fixed-function USB audio CODECs, the programmable PIC32MM0064GPM064-I/MR allows firmware-defined sample rates and HID control surfaces. Its low deep-sleep current enables battery-powered portable speakers that idle when unplugged. The 64-pin QFN is well suited to the small PCBs typical of in-line audio dongles.
Recommended
Industrial HMI / Touch Front Panel
Industrial HMI panels benefit from the PIC32MM0064GPM064-I/MR's combination of USB device (for configuration), up to 5 UART/SPI/I2C modules (for sensor and display IO), and PPS pin remapping that simplifies PCB routing. The 12-bit ADC handles up to 28 channels of analog input for backlight, temperature, and power monitoring, while DMA offloads repetitive register polling. The 64 KB Flash supports graphical menus and Modbus RTU command handlers, and the 16 KB SRAM allows reasonable TX/RX buffer sizes for industrial protocols. Compared to 16-bit PIC24 alternatives, the 32-bit core accelerates CRC calculations common in Modbus and EtherCAT sub-devices. Designers can implement USB firmware-update channels to simplify field servicing.
Recommended
Gaming and Entertainment Peripherals
USB game controllers, RGB lighting hubs, and arcade-button interfaces match the PIC32MM0064GPM064-I/MR's profile of USB full-speed with 12-bit ADC for analog sticks/triggers, multiple timers for debounced button scanning, and PPS for flexible GPIO routing. The 25 MIPS core easily scans 32-button matrices at 1 kHz while sending HID reports over USB. The DMA channels drive addressable LED strips (WS2812/APA102) with precise timing, freeing the CPU for animation logic. Compared to 8-bit AVR/ PIC16 controllers, the 32-bit MIPS core accelerates color-space conversions and pattern generation for NeoPixel arrays. The 64 KB Flash accommodates compact animation libraries, and 16 KB SRAM holds frame buffers for short patterns. Battery-powered controllers benefit from deep-sleep with USB-wake to extend play time.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MM0064GPM064-I/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MM0128GPM064-I/MR | PIC32MM0032GPM064-I/MR | PIC32MM0064GPM064-E/MR | PIC32MM0064GPM048T-I/M4 |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-pin QFN (9x9 mm) | 64-pin QFN (9x9 mm) - same | 64-pin QFN (9x9 mm) - same | 64-pin QFN (9x9 mm) - same | 64-pin QFN (9x9 mm) - same |
| Core | MIPS32 microAptiv 32-bit | MIPS32 microAptiv 32-bit - same | MIPS32 microAptiv 32-bit - same | MIPS32 microAptiv 32-bit - same | MIPS32 microAptiv 32-bit - same |
| Maximum CPU Clock | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| Flash Memory | 64 KB | 128 KB (+100%) | 32 KB (-50%) | 64 KB | 48 KB (-25%) |
| SRAM | 16 KB | 16 KB | 8 KB (-50%) | 16 KB | 16 KB |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C (Extended) | -40 C to +85 C |
| USB Interface | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG |
Key Differentiators
- Higher Flash option in the same 64-pin QFN footprint (vs PIC32MM0128GPM064-I/MR)
- Industry-standard 25 MIPS with hardware multiply/divide (vs 8-bit PIC16F or PIC18 alternatives)
- Integrated USB 2.0 full-speed OTG with on-chip transceiver (vs MCUs requiring external USB PHY (e.g., PIC24 without USB))
Design Notes
The 64-pin QFN (9x9 mm) package has a central exposed pad (EP) that must be soldered to a ground copper pour to achieve rated thermal performance. Without a proper EP solder fill, theta_JA rises dramatically and the device can overheat at moderate CPU loads. Use an array of thermal vias under the EP (8-12 vias, 0.3 mm drill) connecting to an inner ground plane.
Decouple VDD/VSS pairs with 100 nF X7R ceramics placed within 2 mm of each supply pin; add a single bulk 4.7 uF ceramic near the package. For the on-chip USB transceiver, place a 100 nF on VUSB pin 45 and follow Microchip's USB PCB layout guidelines (90-ohm differential, series source-termination). This minimizes radiated EMI on USB D+/D- and improves eye diagram compliance.
PPS (Peripheral Pin Select) must be unlocked via CFGCON bit before mapping peripherals to pins - forgetting this leaves the peripheral mapped to its default pin. Also, RTCC retention requires VBAT mode configuration in firmware; simply entering deep-sleep will lose timekeeping unless the RTCC is explicitly enabled with a 32.768 kHz crystal on SOSC pins.
Compliance Information
RoHS compliant per Microchip product page. Industrial temperature grade (-40 C to +85 C) is not AEC-Q100 qualified; PIC32MM0064GPM064-E/MR extends to -40 C to +125 C.
