PIC32MM0064GPL020-I/ML - 25MHz 64KB Flash 32-bit MCU | Microchip
MPN: PIC32MM0064GPL020-I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.35 | $2.35 |
| 10 | $2.05 | $20.50 |
| 100 | $1.78 | $178.00 |
| 500 | $1.56 | $780.00 |
| 1,000 | $1.41 | $1,410.00 |
| 3,000 | $1.28 | $3,840.00 |
PIC32MM0064GPL020-I/ML Overview
An MCU (microcontroller) is a single-chip computer that integrates a CPU core, program memory, data RAM, and peripherals such as ADC, timers, communication interfaces, and GPIO into one package. The PIC32MM occupies the low-power 32-bit tier in the hierarchy MCU -> embedded microcontroller -> 32-bit MCU -> MIPS microAptiv core -> XLP family -> battery-powered edge device, bridging the gap between 16-bit PIC24F XLP parts and higher-end PIC32MX devices.
Key features include sleep currents down to 500 nA in deep sleep (XLP mode), 6 channels of 10/12-bit ADC, multiple UART/SPI/I2C interfaces, 5 PWM outputs, and a 4-channel DMA controller. The 25 MHz core delivers up to 33 DMIPS while consuming roughly 17 mA/MIPS active, enabling long battery life across IoT endpoints.
Architecturally, the part uses a 2-stage pipeline MIPS32 microAptiv UC core with hardware multiply/divide, single-cycle 32-bit ALU operations, and atomic bit-manipulation (Set/Clear/Invert) on select peripheral registers for low-overhead GPIO toggling in real-time loops.
Typical applications include IoT sensor nodes, wearables, low-cost consumer electronics, USB peripherals, and battery-powered industrial sensor modules where 32-bit performance and sub-microamp sleep currents must coexist on a 4x4 mm footprint.
Design tip: route the exposed pad (EP) to a continuous ground plane to meet thermal and electrical performance. Plan oscillator start-up margin and use the deep-sleep XLP modes (down to 500 nA) wherever possible to maximize battery life.
This page synthesizes distributor pricing, drop-in PIC32MM same-package alternatives, and design notes not aggregated on standard distributor listings, giving engineers a faster path from datasheet to prototype.
Drop-in alternatives for PIC32MM0064GPL020-I/ML — 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 PIC32MM0064GPL020-I/ML (same form factor and footprint) — differing in ADC, Operating Temperature, Package, Program Memory (Flash), Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MM0032GPL020-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MM0016GPL020-I/ML
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC32MM0032GPL020T-I/ML
✅ Drop-In✓ In Stock
$1.9 / Unit
View Datasheet →PIC32MM0016GPL028T-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MM0032GPL020-E/SS
✅ Drop-In✓ In Stock
$0.89 / Unit
View Datasheet →PIC32MM0064GPL020-I/ML Maximum Ratings & Electrical Characteristics
| Core | MIPS32 microAptiv UC |
| Core Architecture | 32-bit RISC, 2-stage pipeline |
| Maximum CPU Frequency | 25 MHz |
| Program Memory (Flash) | 64 KB (64K x 8) |
| Data RAM | 8 KB |
| Deep-Sleep Current | 500 nA (XLP, per Microchip family marketing) |
| Operating Temperature | -40C to +85C (industrial, -I suffix) |
| Package | 20-pin QFN (4x4 mm), code ML |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC32MM0064GPL020-I/ML Pin Configuration
| Pin 1 | RA0 — GPIO / analog input / peripheral function (see datasheet) |
| Pin 2 | RA1 — GPIO / analog input / peripheral function |
| Pin 3 | RA2 — GPIO / analog input / peripheral function |
| Pin 4 | RA3 — GPIO / analog input / peripheral function |
| Pin 5 | VDD — Positive supply voltage |
| Pin 6 | VSS — Ground reference |
| Pin 7 | OSC1/CLKI — Crystal oscillator input or external clock input |
| Pin 8 | OSC2/CLKO — Crystal oscillator output or clock output |
| Pin 9 | RB0 — GPIO / programming pin (PGED) |
| Pin 10 | RB1 — GPIO / programming pin (PGEC) |
| Pin 11 | RB2 — GPIO / peripheral function |
| Pin 12 | RB3 — GPIO / peripheral function |
| Pin 13 | RB4 — GPIO / peripheral function |
| Pin 14 | RB5 — GPIO / peripheral function |
| Pin 15 | RB6 — GPIO / peripheral function |
| Pin 16 | RB7 — GPIO / peripheral function |
| Pin 17 | RC0 — GPIO / peripheral function |
| Pin 18 | RC1 — GPIO / peripheral function |
| Pin 19 | RC2 — GPIO / peripheral function |
| Pin 20 | EP — Exposed thermal pad - must be soldered to ground |
Typical Applications
PIC32MM0064GPL020-I/ML is suitable for 7 applications: Battery-Powered IoT Sensor Nodes, Wearable Fitness and Health Devices, Low-Cost USB Peripherals (HID, CDC, MIDI), Industrial Sensor Transmitters, Small Motor Control (Fan, Pump, Drone ESC), Smart Home Edge Devices, Low-Cost Consumer Electronics (Toys, Remote Controls).
Battery-Powered IoT Sensor Nodes
The PIC32MM0064GPL020-I/ML is purpose-built for battery-powered IoT sensor nodes because its 500 nA deep-sleep current (per Microchip XLP marketing) lets a coin-cell sensor node run for years without replacement. The 25 MHz microAptiv UC core provides enough DMIPS to wake, sample, perform local averaging, and transmit over BLE or sub-GHz radio before returning to sleep. The 8 KB SRAM comfortably buffers a 4 KB sensor sample ring plus a small TLS-style payload, while 64 KB Flash holds the full protocol stack and OTA boot loader. Its 4x4 mm QFN package fits inside a CR2032 sensor puck or a tiny environmental monitor.
Recommended
Wearable Fitness and Health Devices
Wearables such as fitness bands and wrist-worn heart-rate monitors demand microamp sleep, small PCB footprint, and 32-bit math for signal processing. The PIC32MM0064GPL020-I/ML delivers 33 DMIPS at 25 MHz for FFT-based heart-rate variability and step-count algorithms while sleeping at 500 nA between samples, stretching battery life across weeks of use. The 4x4 mm 20-pin QFN (ML) leaves room for a battery, accelerometer, and optical sensor on a wristband PCB. The 8 KB RAM buffers accelerometer sample bursts without dropping events, and the 64 KB Flash stores both firmware and a small model database.
Recommended
Low-Cost USB Peripherals (HID, CDC, MIDI)
The PIC32MM0064GPL020-I/ML integrates a full-speed USB 2.0 device controller plus 64 KB Flash, enough to ship HID keyboard firmware, CDC virtual COM port bridges, and USB MIDI controllers in a single chip. The 25 MHz core handles USB frame timing and HID report generation without starving the user application. The 4x4 mm 20-pin QFN (ML) simplifies USB dongle designs where PCB area is precious. Engineers can use the MPLAB Harmony USB stack with the on-chip transceiver to ship low-cost USB accessories without an external PHY.
Recommended
Industrial Sensor Transmitters
Industrial 4-20 mA loop-powered sensor transmitters and small PLC I/O modules need 32-bit performance, deterministic GPIO, and the ability to operate across -40C to +85C. The PIC32MM0064GPL020-I/ML handles analog front-end calibration, and HART or IO-Link protocol framing at 25 MHz, while the industrial temperature range and 4x4 mm QFN (ML) fit inside a B-sized field-mount enclosure. The atomic bit-set/clear/invert on GPIO pins enables deterministic sub-microsecond response to interrupt-driven sensor events. The 64 KB Flash stores calibration tables alongside protocol firmware.
Recommended
Small Motor Control (Fan, Pump, Drone ESC)
Small DC fans, water pumps, and mini-drone electronic speed controllers (ESC) need PWM outputs, ADC for back-EMF sensing, and low BOM cost. The PIC32MM0064GPL020-I/ML offers 5 PWM channels (per Microchip family datasheet) at 25 MHz for commutation of a small brushless DC motor, plus 10-bit ADC for current sensing. The 64 KB Flash stores speed-control loops and fault-handling state machines, and the 4x4 mm QFN keeps the ESC PCB under 20x20 mm. Low active current reduces thermal stress in enclosed motor housings.
Recommended
Smart Home Edge Devices
Smart home edge devices such as battery-powered door/window sensors, smart buttons, and indoor air-quality monitors benefit from the PIC32MM0064GPL020-I/ML combination of 500 nA deep sleep, 64 KB Flash, and 4x4 mm QFN. The microAptiv UC 25 MHz core can run Zigbee or Thread-like mesh protocol stacks in the 64 KB Flash while keeping the sleep current low for multi-year coin-cell operation. The 8 KB RAM is sufficient for neighbor tables and routing buffers. Industrial temperature rating supports outdoor and garage deployments where temperatures swing widely.
Recommended
Low-Cost Consumer Electronics (Toys, Remote Controls)
Cost-sensitive consumer electronics such as electronic toys, TV remote controls, and small appliances need a 32-bit MCU that costs under USD 2 in volume. The PIC32MM0064GPL020-I/ML hits that price point at 1000+ piece reels (USD 1.41 per Microchip distributor listings on 2026-10-01), while delivering enough Flash for UI state handling and low-power timers for IR remote protocols. The 4x4 mm 20-pin QFN package fits even in slim remote-control housings, and the industrial temperature range ensures reliable operation in hot consumer environments.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MM0064GPL020-I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MM0032GPL020-I/ML | PIC32MM0016GPL020-I/ML | PIC32MM0032GPL020T-I/ML | PIC32MM0032GPL020-E/SS |
|---|---|---|---|---|---|
| Package | 20-pin QFN (4x4 mm), code ML | 20-pin QFN (4x4 mm), code ML - same | 20-pin QFN (4x4 mm), code ML - same | 20-pin QFN (4x4 mm), code ML - same | 20-pin QFN (4x4 mm), code ML - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | MIPS32 microAptiv UC, 25 MHz | MIPS32 microAptiv UC, 25 MHz | MIPS32 microAptiv UC, 25 MHz | MIPS32 microAptiv UC, 25 MHz | MIPS32 microAptiv UC, 25 MHz |
| Flash | 64 KB | 32 KB (-50%) | 16 KB (-75%) | 32 KB (-50%) | 32 KB (-50%) |
| RAM | 8 KB | 4 KB (-50%) | 4 KB (-50%) | 4 KB (-50%) | 4 KB (-50%) |
| Temperature Grade | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Extended (-40C to +125C) |
| Deep-Sleep Current | 500 nA (XLP) | 500 nA (XLP) | 500 nA (XLP) | 500 nA (XLP) | 500 nA (XLP) |
| Operating Voltage Range | 2.0V-3.6V (typical, XLP family) | 2.0V-3.6V (typical, XLP family) | 2.0V-3.6V (typical, XLP family) | 2.0V-3.6V (typical, XLP family) | 2.0V-3.6V (typical, XLP family) |
Key Differentiators
- Largest Flash and RAM in the PIC32MM GPL020 family (vs PIC32MM0032GPL020-I/ML)
- Industrial temperature grade as standard (vs PIC32MM0016GPL020-I/ML)
- Pin-compatible XLP family enables seamless migration (vs PIC32MM0032GPL020T-I/ML)
- Lower Flash than current RAM loop (vs PIC32MM0032GPL020-E/SS)
Design Notes
The PIC32MM0064GPL020-I/ML is rated for sub-microamp deep-sleep currents down to 500 nA per Microchip's XLP family marketing, but reaching that figure requires disabling all peripherals including ADC, comparators, and the WDT before entering Sleep mode. Estimate battery life using average current: Iavg = (Iactive x tactive + Isleep x tsleep) / (tactive + tsleep). For a sensor node waking once per second for 5 ms at 3.3V/8 mA active, this is roughly (0.008 x 0.005) + (0.0000005 x 0.995) = 40 uA average.
The 20-pin QFN (4x4 mm) package has an exposed thermal pad (EP, pin 20) that must be soldered directly to a ground copper pour of at least 1 square inch to meet the datasheet's junction-to-ambient thermal resistance. Skipping the EP solder connection can raise junction-to-ambient by 50-80% and cause thermal throttling or Flash retention drift. Estimated: at 25 MHz active and 17 mA/MIPS typical active current, total chip power is roughly 14 mA at 3.3V (0.046W) - thermal rise is negligible if EP is properly soldered.
Place a 100 nF ceramic decoupling capacitor within 3 mm of the VDD pin (pin 5) and a bulk 4.7 uF capacitor near the package, using a wide ground return trace directly to VSS (pin 6). Route the crystal traces (OSC1/OSC2) as short and symmetric as possible, and guard them with a ground pour on both sides to minimize EMI. Keep the USB D+/D- traces matched within 2 mm if using the on-chip full-speed USB. The exposed pad EP must connect to ground through at least 4 thermal vias for proper heat dissipation.
Do not program the PIC32MM0064GPL020-I/ML with the wrong configuration words - in particular, set the correct oscillator mode (HS vs XT) for the external crystal and enable the PLL only after confirming the input frequency range. Do not leave unused I/O pins floating: tie them as outputs or enable the internal weak pull-ups to prevent shoot-through current in Sleep mode. Finally, when migrating from PIC24F XLP code, note that peripheral library names differ; use MPLAB Harmony or MCC for portable code generation.
Compliance Information
RoHS and REACH compliant per Microchip product page. AEC-Q100 is not_applicable - this is a general-purpose MCU, not automotive-qualified (look at PIC32MX or PIC32MK automotive variants). Halogen-free status not stated on the official product page summary.
