PIC32MM0128GPM048-E/PT - 32-bit 25MHz 128KB Flash MCU | Microchip
MPN: PIC32MM0128GPM048-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $3.08 | $30.80 |
| 100 | $2.74 | $274.00 |
| 500 | $2.42 | $1,210.00 |
| 1,000 | $2.18 | $2,180.00 |
PIC32MM0128GPM048-E/PT Overview
A 32-bit microcontroller (MCU) is an integrated circuit that combines a 32-bit CPU core, program memory (Flash), data memory (SRAM), and a rich set of peripherals on a single silicon die. Microcontrollers sit at the heart of embedded systems, sitting one tier above simple 8/16-bit MCUs and one tier below application processors. The PIC32MM GPM family extends Microchip's PIC32MX heritage with microAptiv core enhancements for low-power, mixed-signal applications and provides a smooth upward migration path from smaller PIC32MM variants and from legacy PIC24/PIC32MX designs.
Key features of the PIC32MM0128GPM048-E/PT include: 128 KB (128K x 8) ECC Flash, 16 KB SRAM, USB 2.0 full-speed device, 79 CoreMark performance, multiple low-power sleep modes typical of the eXtreme low power family, and an industrial-grade peripheral set including 12-bit ADC, comparators, timers, UART/SPI/I2C, and PMP. The 48-pin TQFP-EP exposes a substantial ground pad for thermal dissipation and offers ample GPIO for connectivity.
The microAptiv core implements the MIPS32 instruction set with hardware multiply/divide and a tightly-coupled interrupt controller, achieving 79 CoreMark at 25 MHz while remaining in a low active-power envelope. ECC on Flash improves reliability in industrial environments exposed to single-event upsets, and the on-chip USB 2.0 full-speed device controller simplifies connectivity for HID, CDC, vendor-class, or custom USB peripherals.
Typical applications include low-power USB peripherals, IoT sensor nodes, industrial sensor interfaces, home automation gateways, and battery-powered consumer devices. The wide 3.0-3.6 V supply range is well matched to both Li-Ion and regulated 3.3 V rails.
When designing with this part, prefer the exposed pad (EP) connected to a continuous ground plane for both thermal relief and signal integrity. For USB designs, follow the USB transceiver PCB guidelines for 90-ohm differential impedance and ensure VUSB 3.3 V is well decoupled.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical low-power and USB design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC32MM0128GPM048-E/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-E/PT (same form factor and footprint) — differing in Core Architecture, Package, ADC, Mounting Type, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MM0128GPM048-I/PT
✅ Drop-In✓ In Stock
$2.74 / Unit
View Datasheet →PIC32MM0064GPM048T-I/M4
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.98 / Unit
View Datasheet →PIC32MK1024MCM100-E/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$12.2 / Unit
View Datasheet →PIC32MM0128GPM048-E/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 microAptiv (PIC32MM) |
| Core Size | 32-bit |
| Max CPU Frequency | 25 MHz |
| Program Memory (Flash) | 128 KB (128K x 8) with ECC |
| Data Memory (SRAM) | 16 KB |
| CoreMark Score | 79 |
| Operating Voltage (VDD) | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +125C (Extended) |
| USB Interface | USB 2.0 Full-Speed Device |
| Package | 48-pin TQFP-EP (7x7 mm) with exposed pad |
| Mounting Type | Surface Mount |
| Flash ECC | Yes |
| Family | PIC32MM GPM (eXtreme Low Power) |
| MSL Level | 3 (168 hours) |
| RoHS Status | Compliant |
PIC32MM0128GPM048-E/PT Pin Configuration
| Pin 1 | RPB0/AN0/C1IND/C2INB/PMPD0 — GPIO/AN0 |
| Pin 2 | RPB1/AN1/C1INC/C3INB/PMPD1 — GPIO/AN1 |
| Pin 3 | RPB2/AN2/C2IND/C3INC/PMPD2 — GPIO/AN2 |
| Pin 4 | RPB3/AN3/C1INA/C2INA/PMPD3 — GPIO/AN3 |
| Pin 5 | RPB4/AN4/C1INB/VBUS/USBD-/PMPD4 — GPIO/AN4/USB D- |
| Pin 6 | RPB5/AN5/C1INA/VBUS/USBD+/PMPD5 — GPIO/AN5/USB D+ |
| Pin 7 | VDD — Core supply (3.0-3.6 V) |
| Pin 8 | VSS — Ground |
| Pin 9 | RPC0/PMPD6 — GPIO/PMP |
| Pin 10 | RPC1/PMPD7 — GPIO/PMP |
| Pin 11 | RPC2/PMPWR — GPIO/PMP write strobe |
| Pin 12 | RPC3/PMPRD — GPIO/PMP read strobe |
| Pin 13 | RPC4/PMPBEE — GPIO/PMP enable |
| Pin 14 | RPC5/PMPCS — GPIO/PMP chip select |
| Pin 15 | RPC6/PMPD8 — GPIO/PMP |
| Pin 16 | RPC7/PMPD9 — GPIO/PMP |
| Pin 17 | VUSB — USB 3.3 V supply |
| Pin 18 | VSS — Ground |
| Pin 19 | RPG6/SOSC2 — Secondary oscillator / GPIO |
| Pin 20 | RPG7/SOSC1 — Secondary oscillator / GPIO |
| Pin 21 | RPG8/RF3/PMPD15 — GPIO |
| Pin 22 | RPG9/RF2 — GPIO |
| Pin 23 | VDD — Core supply |
| Pin 24 | VSS — Ground |
| Pin 25 | OSC1/CLKI/RA0 — Crystal input or ext clock |
| Pin 26 | OSC2/CLKO/RA1 — Crystal output |
| Pin 27 | RPA8/PMPA8 — GPIO/PMP |
| Pin 28 | RPA9/PMPA9 — GPIO/PMP |
| Pin 29 | RPC8/PMPD10 — GPIO/PMP |
| Pin 30 | RPC9/PMPD11 — GPIO/PMP |
| Pin 31 | RPB6/PMPA14/PGC — GPIO/ICSP clock |
| Pin 32 | RPB7/PMPA15/PGD — GPIO/ICSP data |
| Pin 33 | RPB8/USBOEN — GPIO/USB output enable |
| Pin 34 | RPB9/SDA1/SDAA1 — I2C1 data / GPIO |
| Pin 35 | RPB10/SCL1 — I2C1 clock / GPIO |
| Pin 36 | RPB11/PMPD12 — GPIO/PMP |
| Pin 37 | RPB12/PMPD13 — GPIO/PMP |
| Pin 38 | RPB13/PMPD14 — GPIO/PMP |
| Pin 39 | RPB14/AN6/C2INB — GPIO/AN6 |
| Pin 40 | RPB15/AN7/C3INB — GPIO/AN7 |
| Pin 41 | VDD — Core supply |
| Pin 42 | VSS — Ground |
| Pin 43 | RPD0/RTCC — GPIO/RTCC |
| Pin 44 | RPD1/REFI — GPIO/reference input |
| Pin 45 | RPD2/REFO — GPIO/reference output |
| Pin 46 | RPD3/RPF0 — GPIO |
| Pin 47 | RPD4/RPF1 — GPIO |
| Pin 48 | RPD5/RPF2 — GPIO |
Typical Applications
PIC32MM0128GPM048-E/PT is suitable for 6 applications: USB HID Peripheral Devices, IoT Sensor Nodes and Edge Devices, Industrial Sensor Interfaces, Home Automation Gateways and Bridges, Battery-Powered Consumer Devices, Human Interface Devices (HID) and Custom USB Peripherals.
USB HID Peripheral Devices
Recommended
IoT Sensor Nodes and Edge Devices
Recommended
Industrial Sensor Interfaces
Recommended
Home Automation Gateways and Bridges
Recommended
Battery-Powered Consumer Devices
Recommended
Human Interface Devices (HID) and Custom USB Peripherals
Recommended
Recommended Products Summary
Engineering reference data for PIC32MM0128GPM048-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MM0128GPM048-I/PT | PIC32MM0064GPM048T-I/M4 | PIC32MK1024MCM100-E/PT |
|---|---|---|---|---|
| Package | 48-TQFP-EP (7x7) | 48-TQFP-EP (7x7) - same | 48-TQFP-EP - same footprint | 100-TQFP - NOT pin-compatible with 48-TQFP-EP |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | MIPS32 microAptiv | MIPS32 microAptiv - same | MIPS32 microAptiv - same | MIPS32 M-Class (higher perf) |
| Max CPU Frequency | 25 MHz | 25 MHz | 25 MHz | 120 MHz (much higher) |
| Flash | 128 KB ECC | 128 KB ECC - same | 64 KB ECC (-50%) | 1 MB ECC (8x larger) |
| SRAM | 16 KB | 16 KB | 8 KB (-50%) | 256 KB (16x larger) |
| USB | USB 2.0 FS Device | USB 2.0 FS Device - same | USB 2.0 FS Device - same | USB 2.0 HS + FS + dual role |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) |
Key Differentiators
- Higher temperature grade than industrial (I) variant (vs PIC32MM0128GPM048-I/PT)
- Double the Flash with ECC of the 64 KB family variant (vs PIC32MM0064GPM048T-I/M4)
- Lower power profile than PIC32MK (vs PIC32MK1024MCM100-E/PT)
Design Notes
Connect the 48-TQFP-EP exposed thermal pad to a continuous ground plane with at least 9 thermal vias (0.3 mm drill, 0.6 mm pad) for both thermal dissipation and low-inductance ground. Per Microchip AN-1267, this is required for reliable operation in extended temperature (E) variants. Keep high-speed USB traces (D+/D-) at 90 ohms differential and route over a continuous ground reference plane.
Decouple each VDD pin with a 100 nF ceramic capacitor placed within 2 mm of the pin; add a bulk 4.7 uF capacitor near the MCU. VUSB requires its own 100 nF plus a 4.7 uF bulk per Microchip USB hardware design guidelines. Failing to decouple VUSB independently can cause USB enumeration failures even if VDD is clean. Use ferrite beads if the USB bus is shared with noisy regulators.
Do not leave unused pins floating; configure them as digital outputs or inputs with the internal weak pull-up enabled. Floating analog pins (ANx) can cause shoot-through current in the analog mux and degrade ADC accuracy. Always set the JTAG/ICSP pins (PGECx/PGEDx) to their debug configuration before programming, or use the ICSP pairs explicitly (PGEC2/PGED2, etc.) as noted in the datasheet.
Route USB D+ and D- as a 90-ohm differential pair with matched lengths (<2 mm skew) and no stubs. Place the common-mode choke and ESD protection array within 5 mm of the USB connector. Avoid running the USB pair near switching regulator inductors or other noisy traces; cross only at 90 degrees if necessary. Keep the USB shield ground connection to the board ground within 5 mm of the connector entry.
Compliance Information
RoHS compliant per Microchip product page and distributor listings. Not AEC-Q100 qualified; for automotive designs, evaluate PIC32MM AEC-Q100 variants or higher-grade PIC32MK families. Lead-free and halogen-free per Microchip material declaration.