PIC32MM0128GPM036-E/M2 - 32-bit 128KB ECC Flash MCU | Microchip
MPN: PIC32MM0128GPM036-E/M2 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $3.05 | $30.50 |
| 100 | $2.71 | $271.00 |
| 500 | $2.39 | $1,195.00 |
| 1,000 | $2.18 | $2,180.00 |
PIC32MM0128GPM036-E/M2 Overview
A 32-bit microcontroller (MCU) is an integrated circuit that combines a 32-bit processor core, program memory (typically Flash), data memory (SRAM), and a rich set of peripherals such as timers, communication interfaces, and analog blocks on a single silicon die. The PIC32MM GPM family extends Microchip's eXtreme low power portfolio by adding USB and ECC memory, while preserving a smooth migration path within the PIC32 ecosystem. ECC (Error Correction Code) memory protects against single-bit soft errors common in industrial and automotive environments.
Key features include 128KB Flash with single-bit ECC, 16KB SRAM, USB 2.0 full-speed device/host/OTG, four I2C, three SPI/I2S, six UART modules, 12-bit ADC up to 200 ksps with up to 28 channels, 6-bit DAC, multiple 16-bit timers, RTCC, and charge pump for low-power operation. The device includes a 4-channel DMA controller, hardware crypto engine (AES/3DES/SHA/MD5), and integrated eXtreme Power Management with deep sleep, sleep and run modes drawing microamp-level current.
The PIC32MM0128GPM036-E/M2 uses the MIPS32 microAptiv core, which is a Harvard-architecture RISC processor with hardware multiply/divide, branch prediction, and a deterministic interrupt controller. The 25 MHz maximum frequency yields 1.56 DMIPS/MHz, and the 79 CoreMark score is typical for the family. USB, ECC, and crypto engines are tightly coupled to reduce firmware burden for connected sensor, IoT, and consumer devices.
Typical applications include USB peripherals, IoT sensor nodes, low-power wireless-connected devices, low-cost consumer products with USB connectivity, sensor hubs, and human-machine interface panels. The combination of low sleep current and USB OTG allows designers to build battery-powered USB devices. Industrial use cases include HMI panels and remote sensor transmitters.
When designing with this MCU, place the 0.1 uF decoupling capacitor as close as possible to each VDD pin and use a 4.7 uF bulk capacitor on the main supply rail. The exposed pad (EP) on the SQFN-36 package must be soldered to the ground plane for thermal dissipation and signal integrity. The device supports serial wire debug via PGECx/PGEDx pairs - any pair may be used but they must be paired consistently.
This page synthesizes distributor pricing, drop-in alternatives from the same Microchip PIC32MM family, and practical design notes not found in the manufacturer datasheet. Source: Microchip PIC32MM GPM family datasheet.
Drop-in alternatives for PIC32MM0128GPM036-E/M2 — 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 PIC32MM0128GPM036-E/M2 (same form factor and footprint) — differing in Core Architecture, CoreMark Score, ADC, Operating Voltage, Communication Interfaces.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MM0128GPM036-I/M2
✅ Drop-In✓ In Stock
$2.56 / Unit
View Datasheet →PIC32MM0128GPM036T-I/M2
✅ Drop-In✓ In Stock
$1.95 / Unit
View Datasheet →PIC32MM0256GPM036-I/M2
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MM0064GPM036-I/M2
✅ Drop-In✓ In Stock
$1.03 / Unit
View Datasheet →PIC32MM0128GPM028-I/M6
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MM0128GPM036-E/M2 Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 microAptiv |
| Data Bus Width | 32-bit |
| Maximum Clock Frequency | 25 MHz |
| CoreMark Score | 79 |
| Flash Memory | 128 KB (with ECC) |
| SRAM | 16 KB |
| Operating Voltage | 2.0 V to 3.6 V |
| Operating Temperature Range | -40 C to +125 C (E grade) |
| Package | 36-pin SQFN (6x6 mm) with exposed pad |
| Mounting Type | Surface Mount |
| USB | USB 2.0 Full-Speed Device/Host/OTG |
| ADC | 12-bit, up to 200 ksps |
| DAC | 6-bit |
| I/O Pins | 27 |
| Communication Interfaces | 4x I2C, 3x SPI/I2S, 6x UART |
| DMA | 4-channel |
| Crypto Engine | AES, 3DES, SHA, MD5 |
| MSL Level | MSL3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC32MM0128GPM036-E/M2 Pin Configuration
| Pin 1 | RB2 — General purpose I/O / analog |
| Pin 2 | RB3 — General purpose I/O / analog |
| Pin 3 | RB4 — General purpose I/O |
| Pin 4 | RB5 — General purpose I/O |
| Pin 5 | RB6 — General purpose I/O |
| Pin 6 | RB7 — General purpose I/O |
| Pin 7 | VSS — Ground |
| Pin 8 | VDD — Power supply 2.0V-3.6V |
| Pin 9 | RA0 — General purpose I/O / analog |
| Pin 10 | RA1 — General purpose I/O / analog |
| Pin 11 | RA2 — General purpose I/O / analog |
| Pin 12 | RA3 — General purpose I/O / analog |
| Pin 13 | RA4 — General purpose I/O |
| Pin 14 | RA5 — General purpose I/O |
| Pin 15 | RA6 — General purpose I/O |
| Pin 16 | RA7 — General purpose I/O |
| Pin 17 | VSS — Ground |
| Pin 18 | VDD — Power supply |
| Pin 19 | RB8 — General purpose I/O |
| Pin 20 | RB9 — General purpose I/O |
| Pin 21 | RB10 — General purpose I/O |
| Pin 22 | RB11 — General purpose I/O |
| Pin 23 | RB12 — General purpose I/O |
| Pin 24 | RB13 — General purpose I/O |
| Pin 25 | RB14 — General purpose I/O |
| Pin 26 | RB15 — General purpose I/O |
| Pin 27 | VSS — Ground |
| Pin 28 | VDD — Power supply |
| Pin 29 | RC0 — General purpose I/O |
| Pin 30 | RC1 — General purpose I/O |
| Pin 31 | RC2 — General purpose I/O |
| Pin 32 | RC3 — General purpose I/O |
| Pin 33 | RC4 — General purpose I/O |
| Pin 34 | RC5 — General purpose I/O |
| Pin 35 | RC6 — General purpose I/O |
| Pin 36 | RC7 — General purpose I/O / USB |
| Pin EP | EP — Exposed thermal pad - must be soldered to ground |
Typical Applications
PIC32MM0128GPM036-E/M2 is suitable for 6 applications: USB Peripherals and HID Devices, Battery-Powered IoT Sensor Nodes, Low-Cost Consumer USB Devices, Industrial HMI Panels, Remote Sensor Transmitters, Connected Medical Devices.
USB Peripherals and HID Devices
The PIC32MM0128GPM036-E/M2 is ideal for USB peripherals thanks to its integrated USB 2.0 Full-Speed Device/Host/OTG controller and 128KB ECC Flash. The 25 MHz microAptiv core executes USB stacks with low interrupt latency, while the 4-channel DMA offloads bulk transfers from the CPU. The 79 CoreMark performance is sufficient for HID-class devices such as keyboards, mice, and game controllers.
Recommended
Battery-Powered IoT Sensor Nodes
The PIC32MM0128GPM036-E/M2's eXtreme low power design with microamp-level deep sleep current makes it well-suited for battery-powered IoT sensor nodes. Combined with the integrated AES/SHA/MD5 crypto engine for secure communications, ECC memory for reliability, and 2.0V-3.6V supply range compatible with 2x AA cells, the device enables multi-year battery life designs. The 12-bit ADC with up to 28 channels supports multi-sensor aggregation.
Recommended
Low-Cost Consumer USB Devices
The PIC32MM0128GPM036-E/M2 balances cost and capability for consumer USB products such as charging controllers, USB-to-UART bridges, and USB audio class devices. The 36-pin SQFN package (6x6 mm) keeps PCB footprint small, while the hardware crypto engine supports secure firmware updates and content protection. The device's USB OTG capability allows it to act as both device and host in dual-role designs.
Recommended
Industrial HMI Panels
Industrial Human-Machine Interface (HMI) panels benefit from the PIC32MM0128GPM036-E/M2's extended -40C to +125C temperature range and 27 GPIO pins. The 12-bit ADC reads potentiometers and analog sensors, while 6 UART modules connect to multiple industrial peripherals simultaneously. ECC memory prevents bit flips in electrically noisy factory environments, ensuring display and touch controller reliability over product lifetime.
Recommended
Remote Sensor Transmitters
Remote wireless sensor transmitters leverage the PIC32MM0128GPM036-E/M2's low-power modes and integrated peripherals. Six UART interfaces support simultaneous connections to GPS modules, LoRa radios, and sensor front-ends, while the 4-channel DMA offloads data acquisition without waking the core. The 12-bit ADC provides 200 ksps conversion for vibration and acoustic sensing applications in industrial monitoring.
Recommended
Connected Medical Devices
Connected medical devices leverage the PIC32MM0128GPM036-E/M2's hardware AES/SHA crypto engine to secure patient data transmission and the ECC Flash to ensure firmware integrity. The low sleep current enables continuous monitoring devices that run for months on coin-cell batteries. USB OTG support simplifies charging and data transfer cradles. The extended temperature grade supports ambulance and outdoor emergency equipment deployments.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MM0128GPM036-E/M2 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MM0128GPM036-I/M2 | PIC32MM0128GPM036T-I/M2 | PIC32MM0256GPM036-I/M2 | PIC32MM0064GPM036-I/M2 |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 36-pin SQFN (6x6 mm) | 36-pin SQFN (6x6 mm) - same | 36-pin SQFN (6x6 mm) - same | 36-pin SQFN (6x6 mm) - same | 36-pin SQFN (6x6 mm) - same |
| Flash Memory | 128 KB ECC | 128 KB ECC | 128 KB ECC | 256 KB ECC | 64 KB ECC |
| SRAM | 16 KB | 16 KB | 16 KB | 32 KB | 8 KB |
| Core Frequency | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| Operating Temperature | -40 C to +125 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| Core Architecture | MIPS32 microAptiv | MIPS32 microAptiv | MIPS32 microAptiv | MIPS32 microAptiv | MIPS32 microAptiv |
| USB | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG |
Key Differentiators
- Extended temperature grade qualification (vs PIC32MM0128GPM036-I/M2)
- Higher Flash capacity in same package (vs PIC32MM0064GPM036-I/M2)
- Cost-effective vs higher-density variant (vs PIC32MM0256GPM036-I/M2)
Design Notes
Place 0.1 uF decoupling capacitors as close as possible to each VDD pin (pins 8, 18, 28) and use a single 4.7 uF bulk capacitor on the main supply rail. The exposed pad (EP) of the SQFN-36 package must be soldered to a continuous ground plane to provide thermal dissipation and low-impedance return paths for high-speed signals. Vias in the EP pad improve thermal conductivity to inner PCB layers.
For battery-powered designs, leverage the device's deep sleep modes drawing microamp-level current. Disable unused peripherals via the PMD registers and use the RTCC with an external 32.768 kHz crystal for wake-up timing. The wide 2.0V-3.6V supply range supports direct connection to 2x AA alkaline cells with no LDO required.
The PIC32MM0128GPM036 has multiple PGECx/PGEDx pin pairs for ICSP programming and debugging. Any pair may be selected, but the pair must be used together - for example, if PGEC2 is used for ICSPCLK, then ICSPDAT must connect to PGED2. Mixing pins from different pairs prevents successful programming. Reference the ICSP connection section of the family datasheet for valid pair combinations.
Compliance Information
RoHS compliant per Microchip product page. Lead-free finish. Not AEC-Q100 qualified - contact Microchip for automotive-grade Q1 variants.
