PIC32MM0128GPM048-I/PT - 32-bit 25MHz 128KB Flash MCU | Microchip
MPN: PIC32MM0128GPM048-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.41 | $4.41 |
| 10 | $3.96 | $39.60 |
| 100 | $3.51 | $351.00 |
| 500 | $3.08 | $1,540.00 |
| 1,000 | $2.74 | $2,740.00 |
PIC32MM0128GPM048-I/PT Overview
A microcontroller (MCU) is a single-chip computer containing a processor core, program memory, data memory, and a rich set of on-chip peripherals such as timers, ADC, communication controllers, and GPIO. The PIC32MM GPM family belongs to the wider hierarchy of 32-bit microcontrollers -> embedded microcontrollers -> microprocessors -> semiconductors, and the MIPS32 microAptiv core places this device in the same architectural family used by high-volume IoT and consumer electronics designs.
Key features of the PIC32MM0128GPM048-I/PT include 128 KB Flash with ECC protection, 16 KB SRAM, hardware USB 2.0 full-speed support, a 12-bit ADC with up to 1 Msps sampling, multiple Enhanced Compare/PWM/PWM outputs, and a rich peripheral set covering I2C, SPI, UART, and Real-Time Clock. The device supports operating voltages from 2.0 V to 3.6 V and is targeted at low-power, cost-sensitive USB-enabled embedded designs.
Typical applications include USB HID peripherals, low-power IoT sensor nodes, consumer electronics with USB connectivity, motor control sub-systems, and HMI front panels. The combination of ECC Flash and USB on-chip makes this MCU particularly suitable for medical accessories, industrial sensors, and battery-powered devices that require reliable code execution plus a standardized communication interface.
When designing with the PIC32MM0128GPM048-I/PT, observe Microchip's MPLAB X IDE configuration bits and the recommended decoupling scheme. The exposed thermal pad must be soldered to a grounded copper pour for thermal and electrical performance, and the 48-TQFP-EP land pattern should follow IPC-7351 guidelines.
This page synthesizes distributor pricing, pin-compatible alternatives within the PIC32MM family, and practical design notes not aggregated in the manufacturer datasheet, helping engineers select and qualify this MCU for production.
Drop-in alternatives for PIC32MM0128GPM048-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 PIC32MM0128GPM048-I/PT (same form factor and footprint) — differing in Package, Core Architecture, Operating Temperature, ADC, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MM0128GPM048T-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MM0064GPM048T-I/M4
✅ Drop-In✓ In Stock
$1.98 / Unit
View Datasheet →PIC32MM0128GPM048-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 microAptiv |
| Family | PIC32MM GPM |
| Bit Width | 32-bit |
| Maximum CPU Clock | 25 MHz |
| Program Flash Memory | 128 KB (128K x 8) |
| SRAM | 16 KB |
| Flash ECC | Yes |
| USB | USB 2.0 Full-Speed Device |
| ADC | 12-bit, up to 1 Msps |
| Operating Voltage | 2.0 V to 3.6 V |
| Package | 48-pin TQFP-EP (7x7 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) |
| MSL Level | 3 |
| RoHS Status | Compliant |
PIC32MM0128GPM048-I/PT Pin Configuration
| Pin 1 | RA0 — GPIO / analog input |
| Pin 2 | RA1 — GPIO / analog input |
| Pin 3 | RA2 — GPIO / analog input |
| Pin 4 | RA3 — GPIO / analog input |
| Pin 5 | RA4 — GPIO / analog input |
| Pin 6 | VDD — Positive supply voltage |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RB0 — GPIO / programming |
| Pin 9 | RB1 — GPIO / programming |
| Pin 10 | RB2 — GPIO / analog input |
| Pin 11 | RB3 — GPIO / analog input |
| Pin 12 | RB4 — GPIO / analog input |
| Pin 13 | RB5 — GPIO / analog input |
| Pin 14 | RB6 — GPIO / analog input |
| Pin 15 | RB7 — GPIO / analog input |
| Pin 16 | RB8 — GPIO |
| Pin 17 | RB9 — GPIO |
| Pin 18 | RB10 — GPIO |
| Pin 19 | RB11 — GPIO |
| Pin 20 | RB12 — GPIO |
| Pin 21 | RB13 — GPIO |
| Pin 22 | RB14 — GPIO |
| Pin 23 | RB15 — GPIO |
| Pin 24 | RC0 — GPIO |
| Pin 25 | RC1 — GPIO |
| Pin 26 | RC2 — GPIO |
| Pin 27 | RC3 — GPIO |
| Pin 28 | RC4 — GPIO |
| Pin 29 | RC5 — GPIO |
| Pin 30 | RC6 — GPIO |
| Pin 31 | RC7 — GPIO |
| Pin 32 | RC8 — GPIO |
| Pin 33 | RC9 — GPIO |
| Pin 34 | VDD — Positive supply voltage |
| Pin 35 | VSS — Ground reference |
| Pin 36 | RC10 — GPIO |
| Pin 37 | RC11 — GPIO |
| Pin 38 | RC12 — GPIO |
| Pin 39 | RC13 — GPIO |
| Pin 40 | RC14 — GPIO |
| Pin 41 | RC15 — GPIO |
| Pin 42 | D+ — USB D+ data line |
| Pin 43 | D- — USB D- data line |
| Pin 44 | VUSB — USB transceiver supply |
| Pin 45 | OSC1 — Crystal oscillator input |
| Pin 46 | OSC2 — Crystal oscillator output |
| Pin 47 | MCLR — Master Clear / reset |
| Pin 48 | PGED1 — Programming data / GPIO |
| Pin EP | EP — Exposed thermal pad, must be soldered to ground pour |
Typical Applications
PIC32MM0128GPM048-I/PT is suitable for 6 applications: USB HID Peripherals, Low-Power IoT Sensor Nodes, Consumer Electronics with USB Connectivity, Industrial Sensor and Control Modules, HMI Front Panels with USB Connectivity, Battery-Powered Medical Accessories.
USB HID Peripherals
The PIC32MM0128GPM048-I/PT fits USB Human Interface Device peripherals thanks to its integrated USB 2.0 full-speed device controller and 128 KB Flash ECC memory that comfortably holds USB HID stacks plus application firmware. Placed as the central MCU with USB D+/D- routed to a Type-B or Mini-B connector, the part eliminates the need for an external USB controller. The 25 MHz MIPS32 microAptiv core delivers deterministic throughput for HID report polling, and the 12-bit ADC up to 1 Msps supports analogue control inputs like joystick axes or push-button voltage dividers.
Recommended
Low-Power IoT Sensor Nodes
The PIC32MM0128GPM048-I/PT is suited to battery-powered IoT sensor nodes because the eXtreme low power PIC32MM GPM family targets sub-mA sleep currents while still delivering 32-bit performance when awake. Deployed as the sensing-and-transmit MCU, the part runs the on-chip 12-bit ADC to digitize sensor signals at up to 1 Msps, then wakes to transmit aggregated data over UART, SPI, or I2C to a host radio module. The 2.0 V to 3.6 V supply range permits direct connection to single-cell Li-ion or 2xAA chemistries without boost converters.
Recommended
Consumer Electronics with USB Connectivity
Consumer devices such as gaming peripherals, audio controllers, and PC accessories benefit from the PIC32MM0128GPM048-I/PT's USB device capability combined with 128 KB Flash for application code and 16 KB SRAM for data buffers. The MCU is placed between the USB VBUS-derived 3.3 V rail and the device's peripheral load, with firmware implementing HID, CDC, or vendor-specific USB classes. Designers should note the 48-TQFP-EP footprint's exposed pad must be soldered to a grounded copper pour for thermal dissipation and electrical reference per Microchip layout guidelines.
Recommended
Industrial Sensor and Control Modules
For industrial 24V-derived modules regulated to 3.3 V, the PIC32MM0128GPM048-I/PT provides 32-bit deterministic control of digital I/O, encoder inputs, and low-speed analogue channels via its 12-bit ADC. The -40C to +85C industrial temperature rating supports factory-floor deployments. The MCU's PWM and Enhanced Compare peripherals drive MOSFET or solenoid actuators at deterministic switching rates, while the 25 MHz core executes PID or state-machine control loops with microsecond response times.
Recommended
HMI Front Panels with USB Connectivity
Human-machine interface front panels using USB to host PLCs or industrial PCs benefit from the PIC32MM0128GPM048-I/PT's USB 2.0 device plus 128 KB Flash that hosts display drivers, button debouncing, and LED control logic. Placed behind a sealed membrane keypad, the MCU scans rows and columns via GPIO, drives indicator LEDs through PWM channels, and reports state changes over USB HID to the host controller. The 48-pin TQFP-EP provides ample GPIO for 4x4 key matrices plus display driver signals.
Recommended
Battery-Powered Medical Accessories
Medical USB-connected accessories such as glucose meters, pill dispensers, and portable monitors leverage the PIC32MM0128GPM048-I/PT's combination of USB device, ECC Flash, and eXtreme low power sleep modes. The 128 KB ECC-protected Flash ensures code integrity required by medical firmware standards, while 16 KB SRAM buffers data between the on-chip 12-bit ADC and USB transfers to the host application. Operating from a single-cell Li-ion via a low-dropout 3.3 V regulator extends battery life between charges.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MM0128GPM048-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MM0128GPM048T-I/PT | PIC32MM0064GPM048T-I/M4 | PIC32MK1024MCM100T-I/PT |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 48-TQFP-EP (7x7) | 48-TQFP-EP (7x7) | 48-TQFP (different body) | 100-TQFP |
| Flash Memory | 128 KB | 128 KB | 64 KB | 1024 KB |
| SRAM | 16 KB | 16 KB | 8 KB | 256 KB |
| Max CPU Clock | 25 MHz | 25 MHz | 25 MHz | 120 MHz |
| USB | USB 2.0 FS Device | USB 2.0 FS Device | USB 2.0 FS Device | USB 2.0 FS Device + Host |
| Operating Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.3 V to 3.6 V |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Pricing (USD qty 1) | 4.41 | similar | lower | higher |
Key Differentiators
- Lowest-cost 128 KB Flash PIC32MM with USB and 48-pin TQFP-EP (vs PIC32MM0064GPM048T-I/M4)
- eXtreme low power architecture for battery applications (vs PIC32MK1024MCM100T-I/PT)
- Wider operating voltage range supports diverse battery chemistries (vs PIC32MK1024MCM100T-I/PT)
Design Notes
The 48-pin TQFP-EP package features an exposed thermal pad that MUST be soldered to a grounded copper pour of at least 1 square inch for proper thermal dissipation and electrical reference. Per Microchip's recommended land pattern (IPC-7351 compliant), the EP pad should have multiple thermal vias to the internal ground plane. Omitting the EP solder connection will degrade thermal performance and may cause the device to overheat at sustained 25 MHz operation with active peripherals.
Place 100 nF decoupling capacitors as close as possible to every VDD/VSS pin pair on the PIC32MM0128GPM048-I/PT. Add a bulk 10 uF ceramic or tantalum capacitor near the main VDD supply pin to handle USB inrush currents when the device is enumerated. For USB applications, route the VUSB pin through a ferrite bead or filter to isolate USB transceiver noise from the digital supply rail. The 2.0 V to 3.6 V range permits direct USB VBUS regulation via a low-dropout regulator.
Do not skip the MCLR pull-up resistor on the PIC32MM0128GPM048-I/PT - the Master Clear input requires a 10 kohm pull-up to VDD for normal operation. For the USB D+/D- lines, ensure 15 kohm pull-down resistors are present on each line as required by USB 2.0 specification, or use the MCU's internal pull-downs if enabled in configuration bits. Always configure unused GPIO pins as digital outputs driving low to minimize power consumption in the eXtreme low power modes.
Compliance Information
RoHS and lead-free compliant per Microchip product environmental compliance page. Not AEC-Q100 qualified; for automotive applications consider PIC32MK AEC-Q100 variants. REACH compliance status confirmed via Microchip product declaration.