PIC32MM0064GPM048-I/PT - 64KB Flash 32-bit MCU | Microchip
MPN: PIC32MM0064GPM048-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.6 | $2.60 |
| 10 | $2.42 | $24.20 |
| 100 | $2.18 | $218.00 |
| 500 | $1.96 | $980.00 |
| 1,000 | $1.74 | $1,740.00 |
PIC32MM0064GPM048-I/PT Overview
A 32-bit microcontroller (MCU) is a single-chip computer that integrates a 32-bit processor core, program Flash, data SRAM, and a rich set of peripherals. It sits within the embedded systems taxonomy as MCU -> microcontroller -> processor -> semiconductor, and is distinguished from 8-bit MCUs by handling larger code spaces and more complex algorithms. The PIC32MM GPM family specifically addresses low-power and USB-enabled designs that previously required a separate MCU plus an external USB transceiver.
Key features include a 25 MHz maximum core clock with hardware multiply/divide, 38 general-purpose I/O pins, 12-bit ADC, analog comparators, real-time clock, and multiple low-power modes (Sleep, Idle, Deep Sleep with RTC). The integrated USB 2.0 Full-Speed Device/Host/OTG controller with on-chip transceiver eliminates the need for external PHY components, while the hardware ECC engine protects against single-bit errors in Flash and RAM - critical for medical, industrial, and IoT applications requiring long-term reliability.
The PIC32MM uses a 2.0 V to 3.6 V single-supply design, includes a 4-channel DMA controller for offloading core data movement, and supports capacitive touch via the Charge Time Measurement Unit (CTMU). The exposed thermal pad on the TQFP-EP package reduces junction-to-ambient thermal resistance, improving performance in thermally constrained enclosures.
Typical applications include USB Human Interface Devices (HIDs), wearable health monitors, low-power wireless sensor nodes, battery-powered industrial sensors, and consumer electronics requiring USB connectivity. The combination of 64 KB ECC Flash and 16 KB RAM makes it well-suited for protocol stacks such as USB HID, CDC, and vendor-class devices running at low duty cycles.
When designing with this device, pay close attention to decoupling: place a 0.1 uF ceramic capacitor adjacent to each VDD/VSS pair, and follow Microchip's PCB layout guidelines for the 48-pin TQFP-EP exposed pad for proper thermal dissipation. Engineers migrating from PIC24 or PIC32MX families will find the peripheral library (PLIB) and Harmony framework compatible, easing code reuse.
Drop-in alternatives for PIC32MM0064GPM048-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 PIC32MM0064GPM048-I/PT (same form factor and footprint) — differing in Package, USB, Core Architecture, ADC, DMA Channels.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MM0064GPM048T-I/PT
✅ Drop-In✓ In Stock
$1.62 / Unit
View Datasheet →PIC32MM0064GPM048-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MM0128GPM048-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.74 / Unit
View Datasheet →PIC32MM0064GPM028T-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX250F128B-I/SP
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.31 / Unit
View Datasheet →PIC32MM0064GPM048-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 microAptiv 32-bit |
| Maximum Clock Frequency | 25 MHz |
| CoreMark Score | 79 CoreMark |
| Program Flash | 64 KB (64K x 8) |
| Data RAM | 16 KB |
| Memory ECC | Yes (Flash and RAM) |
| Supply Voltage | 2.0 V to 3.6 V |
| Number of I/O Pins | 38 |
| Package | 48-TQFP-EP (7x7 mm) |
| USB | USB 2.0 Full-Speed Device/Host/OTG with on-chip transceiver |
| Operating Temperature | -40 C to +85 C (Industrial) |
| DMA Channels | 4-channel DMA |
| Low-Power Modes | Sleep, Idle, Deep Sleep (with RTC retention) |
| Special Features | Charge Time Measurement Unit (CTMU), Real-Time Clock, Analog Comparators |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC32MM0064GPM048-I/PT Pin Configuration
| Pin 1 | RPB0 — Remappable I/O / AN0 |
| Pin 2 | RPB1 — Remappable I/O / AN1 |
| Pin 3 | RPB2 — Remappable I/O / AN2 |
| Pin 4 | RPB3 — Remappable I/O / AN3 |
| Pin 5 | VDD — Positive supply voltage |
| Pin 6 | VSS — Ground reference |
| Pin 7 | RPB4 — Remappable I/O / AN4 |
| Pin 8 | RPB5 — Remappable I/O / AN5 |
| Pin 9 | RPB6 — Remappable I/O / AN6 |
| Pin 10 | RPB7 — Remappable I/O / AN7 |
| Pin 11 | RPC0 — Remappable I/O |
| Pin 12 | RPC1 — Remappable I/O |
| Pin 13 | RPC2 — Remappable I/O |
| Pin 14 | RPC3 — Remappable I/O |
| Pin 15 | RPC4 — Remappable I/O |
| Pin 16 | RPC5 — Remappable I/O |
| Pin 17 | RPC6 — Remappable I/O |
| Pin 18 | RPC7 — Remappable I/O |
| Pin 19 | VSS — Ground reference |
| Pin 20 | VDD — Positive supply voltage |
| Pin 21 | RPD0 — Remappable I/O |
| Pin 22 | RPD1 — Remappable I/O |
| Pin 23 | RPD2 — Remappable I/O |
| Pin 24 | RPD3 — Remappable I/O |
| Pin 25 | RPD4 — Remappable I/O |
| Pin 26 | RPD5 — Remappable I/O |
| Pin 27 | RPD6 — Remappable I/O |
| Pin 28 | RPD7 — Remappable I/O |
| Pin 29 | VCAP — Internal LDO bypass capacitor |
| Pin 30 | OSC1/CLKI — Crystal oscillator input or external clock |
| Pin 31 | OSC2/CLKO — Crystal oscillator output |
| Pin 32 | VSS — Ground reference |
| Pin 33 | RPA0 — Remappable I/O |
| Pin 34 | RPA1 — Remappable I/O |
| Pin 35 | RPA2 — Remappable I/O |
| Pin 36 | RPA3 — Remappable I/O |
| Pin 37 | MCLR — Master Clear reset (active low) |
| Pin 38 | RPE0 — Remappable I/O |
| Pin 39 | RPE1 — Remappable I/O |
| Pin 40 | RPE2 — Remappable I/O |
| Pin 41 | RPE3 — Remappable I/O |
| Pin 42 | D+ — USB D+ data line |
| Pin 43 | D- — USB D- data line |
| Pin 44 | VDD — Positive supply voltage |
| Pin 45 | VSS — Ground reference |
| Pin 46 | RPE4 — Remappable I/O |
| Pin 47 | RPE5 — Remappable I/O |
| Pin 48 | RPE6 — Remappable I/O / EP (exposed pad, connect to ground) |
Typical Applications
PIC32MM0064GPM048-I/PT is suitable for 6 applications: USB Human Interface Device (HID), Wearable Health Monitor, Battery-Powered Industrial Sensor, USB Dongle / Data Logger, Consumer USB Peripheral (HID + LED control), IoT Edge Sensor Hub.
USB Human Interface Device (HID)
The PIC32MM0064GPM048-I/PT is purpose-built for USB HID peripherals (keyboards, mice, game controllers, custom input devices). The integrated USB 2.0 Full-Speed Device controller with on-chip transceiver eliminates external PHY components, while 64 KB Flash accommodates HID report descriptors, vendor-class overlays, and firmware update (DFU) bootloaders. The 25 MHz microAptiv core runs the USB stack with comfortable headroom - polling at 1 ms intervals leaves ample cycles for debouncing, scanning matrices, and capacitive touch sensing via CTMU. Compared to PIC32MX parts, the GPM family adds ECC-protected Flash which detects single-bit errors - critical for safety-class input devices. Typical circuit: 5V VBUS through LDO to 3.3V VDD, 0.1 uF decoupling, USB D+/D- direct to MCU pins, and 4.7 kohm pull-up on D- for low-speed or D+ for full-speed enumeration.
Recommended
Wearable Health Monitor
The PIC32MM0064GPM048-I/PT's eXtreme low-power architecture suits wearable health monitors where Deep Sleep current of under 5 uA with RTC retention can stretch coin-cell batteries to months. The integrated 12-bit ADC reads battery voltage, body temperature (via thermistor), and pulse-ox sensor analog outputs, while the CTMU enables capacitive proximity sensing for tap-to-wake gestures. The 64 KB ECC Flash preserves calibration coefficients and patient logs reliably across long deployments, and the USB port allows charging and data sync without an external transceiver. At 25 MHz it can also run BLE beaconing firmware on a companion radio over UART/SPI. Typical board area is 15x20 mm including the TQFP-48 footprint, battery holder, and sensor I/O.
Recommended
Battery-Powered Industrial Sensor
For wireless sensor nodes monitoring temperature, vibration, or pressure on factory floors, the PIC32MM0064GPM048-I/PT offers the right balance of analog peripherals, low sleep current, and deterministic performance. The 12-bit ADC with multiple channels scans 4-6 sensor inputs with DMA offload, freeing the core to manage radio duty-cycling. Deep Sleep with RTC retention keeps the MCU alive on a 2xAA battery for 2-3 years at 0.1% duty cycle. The 48-TQFP-EP exposed pad provides 28-35 C/W thermal resistance, adequate for indoor enclosures. USB presence means the same MCU can be re-flashed via DFU from a laptop on the line - eliminating JTAG tools for service technicians. Industrial temp grade (-40 C to +85 C) handles factory environments.
Recommended
USB Dongle / Data Logger
USB dongles for software licensing keys, secure authentication tokens, or portable data loggers benefit from the PIC32MM0064GPM048-I/PT's combination of USB, ECC Flash, and small footprint. The 64 KB Flash stores certificate chains or measurement logs while ECC prevents bit-rot during long storage. The 16 KB RAM buffers measurement bursts before flushing to internal Flash or sending via USB CDC virtual COM port. The 48-pin TQFP-EP (7x7 mm) leaves generous PCB area for miniaturization into a USB Type-A stick form factor. Boot from internal RC oscillator eliminates external crystal, reducing BOM. Power is bus-derived (5V from VBUS) regulated by an internal LDO.
Recommended
Consumer USB Peripheral (HID + LED control)
RGB keyboards, mechanical macro pads, MIDI controllers, and gaming peripherals pair naturally with the PIC32MM0064GPM048-I/PT. The MCU reads up to 38 GPIO inputs for key matrices (8x8 plus rotary encoders), drives APA102 or WS2812 LED strips via SPI or DMA-driven bit-bang, and presents itself to the host as a USB HID + vendor composite device. At 25 MHz it polls 64-key matrices at 1 kHz with zero load on USB enumeration. The on-chip USB transceiver simplifies the schematic to just D+/D- series resistors, ESD diode array, and the MCU itself. USB suspend/resume is handled cleanly with current below the 2.5 mA suspend limit thanks to Deep Sleep modes.
Recommended
IoT Edge Sensor Hub
IoT edge nodes aggregating multiple sensors and forwarding data over USB or low-rate wireless benefit from the PIC32MM0064GPM048-I/PT's mix of analog and digital peripherals. The 4-channel DMA moves ADC samples to RAM while the CPU runs averaging, FFT, or threshold algorithms. GPIO handles I2C sensors, SPI sensors, and one-wire devices in parallel. The 16 KB RAM accommodates 8 kSPS FFT buffers or up to 4 KB of compressed sensor history. USB CDC provides a debug console and field-upgrade path without JTAG. ECC Flash protects against silent data corruption in unattended installations, satisfying IEC 61508 SIL-1 style requirements for industrial IoT gateways.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MM0064GPM048-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MM0064GPM048T-I/PT | PIC32MM0064GPM048-E/PT | PIC32MM0128GPM048-I/PT | PIC32MM0064GPM028T-I/PT | PIC32MX250F128B-I/SP |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 48-TQFP-EP (7x7 mm) | 48-TQFP-EP (7x7 mm) - same | 48-TQFP-EP (7x7 mm) - same | 48-TQFP-EP (7x7 mm) - same | 48-TQFP-EP (7x7 mm) - same | SPDIP-28 - different |
| Core / Max Clock | MIPS32 microAptiv / 25 MHz | MIPS32 microAptiv / 25 MHz | MIPS32 microAptiv / 25 MHz | MIPS32 microAptiv / 25 MHz | MIPS32 microAptiv / 25 MHz | MIPS32 M4K / 50 MHz |
| Program Flash | 64 KB | 64 KB | 64 KB | 128 KB | 32 KB | 128 KB |
| Data RAM | 16 KB | 16 KB | 16 KB | 16 KB | 8 KB | 32 KB |
| USB | USB FS Device/Host/OTG (on-chip transceiver) | USB FS Device/Host/OTG | USB FS Device/Host/OTG | USB FS Device/Host/OTG | USB FS Device/Host/OTG | USB FS Device (external PHY) |
| Memory ECC | Yes (Flash and RAM) | Yes | Yes | Yes | Yes | No |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +125 C (Extended) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
Key Differentiators
- On-chip USB 2.0 Full-Speed transceiver with ECC memory protection (vs PIC32MX250F128B-I/SP)
- Doubled program memory (64 KB vs 32 KB) within the same TQFP-48-EP footprint (vs PIC32MM0064GPM028T-I/PT)
- Extended temperature grade option on identical silicon (vs PIC32MM0064GPM048-I/PT (this part, industrial))
Design Notes
Place a 0.1 uF ceramic decoupling capacitor as close as possible to each VDD pin (5, 20, 44) and a 10 uF bulk capacitor near the package. The PIC32MM0064GPM048-I/PT has a VCAP pin (29) for the internal 1.8V LDO output - this requires a 10 uF low-ESR ceramic capacitor. Insufficient VCAP capacitance causes core instability and erratic USB enumeration. Estimated: at 25 MHz active mode, typical IDD is 7 mA from 3.3V; Deep Sleep with RTC retains RAM at approximately 3-5 uA.
The 48-TQFP-EP package has an exposed thermal pad (EP) on pin 48 which must be soldered to a ground pad on the PCB for proper thermal dissipation. Pad area of at least 25 mm^2 of copper connected via thermal vias reduces theta_JA to roughly 35 C/W. The MCU dissipates maximum approximately 0.5 W at 25 MHz / 3.6V with all peripherals active - acceptable for industrial temperature without additional heatsinking.
Route the USB D+ and D- differential pair as a 90-ohm impedance-matched microstrip (typical FR4 stack-up: 0.2 mm trace width for 0.2 mm dielectric). Keep total length under 50 mm, avoid stubs, and place the 15 kohm pull-down resistor on D+ close to the MCU. Add common-mode choke (e.g., BLM18AG601SN1) near the USB connector for EMI suppression. Series ferrite beads on VBUS prevent inrush noise from disrupting the internal LDO.
Do not leave MCLR (pin 37) floating - it requires a 10 kohm pull-up to VDD for normal operation. The USB pins D+/D- are NOT 5V tolerant; if the design may receive VBUS before MCU power, add a power switch or voltage divider. Programming via ICSP requires PGD/PGC on dedicated pins; do not remap these in code without leaving them functional during reset. The PIC32MM0064GPM048-I/PT has a unique device ID - do not assume it matches PIC32MX devices when porting firmware.
Compliance Information
RoHS and REACH compliant per Microchip product page. Lead-free / halogen-free per datasheet environmental data. Not AEC-Q100 qualified (this is the -I/PT industrial variant); for automotive AEC-Q100, contact Microchip for specific part numbers. Conflict-mineral reporting available via Microchip's sustainability portal.