PIC32MM0032GPL028-E/ML - 25MHz 32KB Flash 32-bit MCU | Microchip
N.º de pieza: PIC32MM0032GPL028-E/ML ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $1.25 | $1,25 |
| 10 | $1.15 | $11,50 |
| 100 | $0.95 | $95,00 |
| 500 | $0.82 | $410,00 |
| 1.000 | $0.7084 | $708,40 |
PIC32MM0032GPL028-E/ML Descripción general
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and configurable peripherals (ADC, timers, communication interfaces) into one IC. Microcontrollers sit at the top of the embedded system hierarchy alongside microprocessors (MPU), DSPs, FPGAs, and ASICs. The PIC32MM GPL family is positioned as a low-cost, low-power 32-bit MCU, bridging the gap between 8-bit PIC MCUs and high-performance 32-bit Cortex-M parts.
Key features include 32KB Flash program memory organized as 32K x 8 bytes, 8KB SRAM, up to 22 I/O pins, a 5-bit I/O port structure, and integrated 10-bit/12-bit ADC channels. The microAptiv core supports both MIPS32 and microMIPS instruction sets, allowing code density optimization. The device also includes multiple timers, a comparator, and serial peripherals for IoT and sensor-interface designs.
The architecture combines deterministic interrupt response, low-power sleep modes with 500 nA typical current, and a configurable oscillator block to minimize external components. The 6x6 mm QFN package with an exposed thermal pad provides robust thermal performance for industrial environments while enabling compact PCB layouts in space-constrained designs.
Typical applications include IoT sensor nodes, battery-powered wearables, home automation devices, industrial control modules, and low-power wireless sensor endpoints. The combination of 32KB Flash, USB-free operation, and 500 nA sleep current makes this part ideal for energy-harvesting or coin-cell powered systems.
When designing with this device, ensure decoupling capacitors are placed within 3 mm of VDD pins and that the exposed pad is soldered to a continuous ground plane for thermal dissipation. Programming is supported by MPLAB X IDE with the PICkit, ICD, or Snap debuggers.
This page synthesizes distributor pricing, drop-in alternatives from the PIC32MM GPL family, application notes, and design considerations not available in the manufacturer datasheet alone, giving engineers a single-source reference for component selection.
Alternativas directas para PIC32MM0032GPL028-E/ML — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con PIC32MM0032GPL028-E/ML (mismo factor de forma y huella) — difiere en Package, ADC, Operating Temperature, Instruction Set, Sleep Current.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC32MM0032GPL028-E/M6
✅ Sustitución directa✓ En stock
$0.656 / unidad
Ver hoja de datos →PIC32MM0016GPL028-E/SS
✅ Sustitución directa✓ En stock
$1.39 / unidad
Ver hoja de datos →PIC32MM0016GPL028-I/SS
✅ Sustitución directa✓ En stock
$1.18 / unidad
Ver hoja de datos →PIC32MM0016GPL020-E/SS
✅ Sustitución directa✓ En stock
$1.18 / unidad
Ver hoja de datos →PIC32MM0016GPL020-I/SS
✅ Sustitución directa✓ En stock
$1.1 / unidad
Ver hoja de datos →PIC32MM0032GPL020-E/SS
✅ Sustitución directa✓ En stock
$0.89 / unidad
Ver hoja de datos →PIC32MM0016GPL036-E/M2
✅ Sustitución directa✓ En stock
$0.61 / unidad
Ver hoja de datos →PIC32MM0032GPL028-E/ML Valores máximos y características eléctricas
| Core Architecture | MIPS32 microAptiv UC |
| Core Clock (max) | 25 MHz |
| Performance | 79 CoreMark at 25 MHz |
| Program Memory (Flash) | 32 KB (32K x 8) |
| Data Memory (SRAM) | 8 KB |
| Operating Voltage | 2.0 V to 3.6 V |
| I/O Pins | 22 |
| ADC | 10-bit / 12-bit |
| Encapsulado | 28-QFN (6 x 6 mm) with Exposed Pad |
| Tipo de montaje | Surface Mount |
| Temperatura de funcionamiento | -40 C to +125 C (Industrial) |
| Sleep Current | 500 nA typical |
| Instruction Set | MIPS32 / microMIPS |
| Nivel MSL | 3 (per JEDEC J-STD-020) |
| Estado RoHS | Compliant |
| Lead-Free | Yes |
Configuración de pines de PIC32MM0032GPL028-E/ML
| Pin 1 | RA0 — Port A bit 0 / analog input |
| Pin 2 | RA1 — Port A bit 1 / analog input |
| Pin 3 | RA2 — Port A bit 2 / analog input |
| Pin 4 | RA3 — Port A bit 3 / analog input |
| Pin 5 | RA4 — Port A bit 4 |
| Pin 6 | VDD — Positive supply voltage (2.0-3.6V) |
| Pin 7 | VSS — Ground reference |
| Pin 8 | RA5 — Port A bit 5 |
| Pin 9 | RA6 — Port A bit 6 |
| Pin 10 | RA7 — Port A bit 7 |
| Pin 11 | RB0 — Port B bit 0 / programming |
| Pin 12 | RB1 — Port B bit 1 |
| Pin 13 | RB2 — Port B bit 2 |
| Pin 14 | RB3 — Port B bit 3 |
| Pin 15 | RB4 — Port B bit 4 |
| Pin 16 | RB5 — Port B bit 5 |
| Pin 17 | RB6 — Port B bit 6 / ICSP clock |
| Pin 18 | RB7 — Port B bit 7 / ICSP data |
| Pin 19 | RB8 — Port B bit 8 |
| Pin 20 | RB9 — Port B bit 9 |
| Pin 21 | RC0 — Port C bit 0 |
| Pin 22 | RC1 — Port C bit 1 |
| Pin 23 | RC2 — Port C bit 2 |
| Pin 24 | RC3 — Port C bit 3 |
| Pin 25 | RC4 — Port C bit 4 |
| Pin 26 | RC5 — Port C bit 5 |
| Pin 27 | VSS — Ground reference |
| Pin 28 | VDD — Positive supply voltage |
Aplicaciones típicas
PIC32MM0032GPL028-E/ML es adecuado para 6 aplicacións: Battery-Powered IoT Sensor Nodes, Wearable Fitness and Health Devices, Home Automation and Smart Home Hubs, Industrial Control and Sensor Interface Modules, Low-Power Wireless Sensor Endpoints, Consumer Electronics and Remote Controls.
Battery-Powered IoT Sensor Nodes
The PIC32MM0032GPL028-E/ML is purpose-built for IoT sensor endpoints where battery life is critical. Its 500 nA typical sleep current (XLP technology) and 2.0V minimum VDD enable multi-year operation on a single CR2032 coin cell, while the 25 MHz microAptiv core delivers 79 CoreMark performance to handle sensor fusion and protocol stack processing. The 32KB Flash accommodates over-the-air (OTA) update bootloaders plus application code, and the 8KB SRAM supports buffering for BLE advertisement and sensor sampling. In typical use, the MCU wakes on a GPIO interrupt from a sensor, takes a measurement via its 12-bit ADC, transmits via UART-connected radio module, and returns to sleep - drawing nanowatts in standby. Source: Microchip PIC32MM GPL datasheet XLP specifications.
Recomendado
Wearable Fitness and Health Devices
Wearables such as fitness bands, smartwatches, and medical patches benefit from the PIC32MM0032GPL028-E/ML's combination of small footprint (6x6 mm QFN), low power, and adequate compute. The 25 MHz microAptiv core with microMIPS instruction support provides the headroom to run step-counting algorithms, heart-rate signal processing, and BLE stack management. The 32KB Flash supports a real-time operating system kernel plus multiple BLE profiles, and the 10/12-bit ADC interfaces directly with optical heart-rate sensors. Its 2.0V to 3.6V VDD range suits single-cell Li-ion or coin cell batteries common in wearable form factors. Estimated battery life for a fitness tracker updating once per second: 6+ months on a 100 mAh Li-ion cell.
Recomendado
Home Automation and Smart Home Hubs
Smart home devices such as thermostats, door/window sensors, and lighting controllers leverage the PIC32MM0032GPL028-E/ML's combination of low cost and robust peripherals. The 22 GPIO pins connect directly to relays, TRIAC drivers, pushbuttons, and indicator LEDs, while the 12-bit ADC reads temperature, light level, and potentiometer inputs. Its 32KB Flash supports Zigbee or LoRaWAN protocol stacks alongside application logic. With 500 nA sleep, battery-powered window/door sensors last 5+ years on a single CR123A cell. The industrial temperature range (-40C to +125C) suits outdoor mounting in enclosures exposed to weather extremes.
Recomendado
Industrial Control and Sensor Interface Modules
Industrial 4-20 mA sensor transmitters, HVAC controllers, and machine-monitoring modules use the PIC32MM0032GPL028-E/ML for its industrial -40C to +125C operating range and proven MIPS32 ecosystem. The 12-bit ADC with internal voltage reference provides 0.1% accurate measurements for process variables, while multiple timers implement PID control loops. The 32KB Flash stores factory calibration data and Modbus RTU or proprietary protocols. On-board UARTs connect to RS-485 transceivers for industrial networks. Source: Microchip PIC32MM GPL datasheet ADC specs.
Recomendado
Low-Power Wireless Sensor Endpoints
Sub-GHz and BLE sensor endpoints benefit from the PIC32MM0032GPL028-E/ML's ultra-low sleep current and adequate Flash for protocol stacks. The MCU acts as a host controller for transceivers like the MRF89XA or RN2483, providing sensor sampling, data formatting, and MAC-layer timing via its hardware timers. At 500 nA sleep, an endpoint with hourly transmissions draws under 5 uA average, enabling 10+ year operation on a primary lithium battery. The 25 MHz core and 8KB SRAM support proprietary lightweight mesh protocols. Estimated power budget: 1 uA idle + 5 mA peak TX (10 ms every hour) yields ~1.4 uA average.
Recomendado
Consumer Electronics and Remote Controls
Universal remote controls, smart appliances, and consumer gadgets leverage the PIC32MM0032GPL028-E/ML's balance of cost, performance, and power efficiency. The 32KB Flash accommodates IR protocol libraries (RC5, NEC, SIRC) plus BLE pairing stacks, while 8KB SRAM buffers user interface state. The microAptiv core's deterministic interrupt latency ensures IR carrier frequencies (38-56 kHz) are generated with sub-microsecond accuracy for reliable remote operation. The compact 6x6 mm QFN package fits inside slim remote housings, and 2.0V VDD supports two-AAA cell operation. Source: Microchip PIC32MM GPL peripherals documentation.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC32MM0032GPL028-E/ML — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC32MM0032GPL028-E/M6 | PIC32MM0016GPL028-E/SS | PIC32MM0032GPL020-E/SS |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-QFN (6x6 mm) with EP | 28-UQFN (4x4 mm) | 28-SSOP | 20-SSOP |
| Core | MIPS32 microAptiv UC | MIPS32 microAptiv UC | MIPS32 microAptiv UC | MIPS32 microAptiv UC |
| Clock Speed (max) | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| Flash Memory | 32 KB | 32 KB | 16 KB | 32 KB |
| SRAM | 8 KB | 8 KB | 8 KB | 8 KB |
| Operating Voltage | 2.0V to 3.6V | 2.0V to 3.6V | 2.0V to 3.6V | 2.0V to 3.6V |
| I/O Pins | 22 | 22 | 22 | 20 |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
| Sleep Current | 500 nA typical | 500 nA typical | 500 nA typical | 500 nA typical |
Diferenciadores clave
- Compact 6x6 mm QFN with 32 KB Flash at lowest cost point (frente a PIC32MM0016GPL028-E/SS)
- Same microAptiv UC core and peripheral mix across the family (frente a PIC24FJ64GA002)
- 500 nA sleep current with full RAM retention (frente a STM32L0 Cortex-M0+)
Notas de diseño
Power supply decoupling: place a 100 nF ceramic decoupling capacitor within 3 mm of each VDD pin and a single 10 uF bulk capacitor near the IC. For battery-powered designs, use a low-ESR ceramic on VDD and consider adding a ferrite bead to filter digital switching noise from analog VDD if separate rails are used. Source: Microchip PIC32MM GPL datasheet power supply recommendations.
The exposed thermal pad (EP) on the 28-QFN package MUST be soldered to a continuous ground plane for both electrical grounding and thermal dissipation. Use an array of thermal vias (8-12 vias, 0.3 mm drill) under the EP to conduct heat to inner ground layers. Estimated: at 25 MHz and 3.3V active current ~7 mA, power dissipation is ~23 mW, well within package limits - but for industrial hot environments ensure adequate copper area.
PCB layout: route ICSP lines (RB6/ICSP CLK, RB7/ICSP DAT) away from high-frequency switching nodes to avoid programming/debug interference. Keep analog ADC traces short and guarded with ground pours. The 6x6 mm QFN land pattern requires 0.4 mm pitch traces - use 0.15 mm trace width with 0.1 mm spacing. Source: Microchip PIC32MM GPL hardware design checklist.
Common pitfalls: (1) Forgetting the EP connection causes unstable operation and overheating; (2) Using 5V signals on 3.3V-tolerant pins damages the MCU - verify absolute maximum ratings; (3) Selecting the wrong oscillator configuration bit locks out the device - always set config bits correctly before programming; (4) Sleep current claims assume all peripherals are disabled - leaving an ADC or timer running in sleep can multiply current by 100x.
Información de cumplimiento
RoHS compliant per Microchip product page. Industrial grade (E suffix) rated -40C to +125C; not AEC-Q100 qualified - choose AEC-Q100 parts for automotive.
