PIC32MM0032GPL028-E/SO - 32-bit MCU 32KB Flash 28-SOIC | Microchip
Référence : PIC32MM0032GPL028-E/SO ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $1.42 | $1,42 |
| 10 | $1.28 | $12,80 |
| 100 | $1.1 | $110,00 |
| 500 | $0.95 | $475,00 |
| 1 000 | $0.82 | $820,00 |
PIC32MM0032GPL028-E/SO Présentation
A 32-bit microcontroller (MCU) is a single-chip computer that integrates a CPU core, Flash program memory, SRAM data memory, and a rich set of on-chip peripherals (timers, ADC, comparators, communication interfaces). It belongs to the broader hierarchy of embedded controllers -> microcontrollers -> 32-bit microcontrollers -> MIPS-based microcontrollers -> Integrated Circuits. Compared with 8-bit and 16-bit MCUs, 32-bit devices offer higher computational throughput, larger addressable memory, and richer peripherals for the same power budget.
Key features of the PIC32MM0032GPL028-E/SO include eXtreme Low Power (XLP) sleep modes down to 500 nA, four 16-bit timers/counters, a 12-bit ADC with up to 200 ksps conversion rate, multiple UART, SPI and I2C peripherals, and 21 general-purpose I/O pins. The integrated microMIPS instruction set compresses common instructions to reduce code footprint by approximately 30% versus standard MIPS, leaving more of the 32KB Flash for application code.
The microAptiv UC core incorporates single-cycle hardware multiply/divide and a deterministic interrupt controller, enabling predictable real-time response for sensor sampling, motor control loops, and user-interface tasks. A peripheral trigger system allows hardware event-driven operation without CPU wake-up, further reducing average power consumption.
Typical applications include IoT sensor nodes, low-cost consumer electronics, battery-powered medical monitoring, HMI touch pads, and USB/LoRa/BLE host bridges. The wide operating temperature range of -40C to +125C supports both indoor commercial and industrial environments.
When designing with this part, allocate at least one ICSP pair (PGECx/PGEDx) for in-circuit programming and debugging; the device supports multiple PGECx/PGEDx pin pairs, but they must be used in matched pairs. Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the supply pin.
This page synthesizes distributor pricing, drop-in alternative MPNs, and practical design notes that complement the manufacturer datasheet, giving engineers a single reference for BOM decisions, footprint reuse, and trade-off analysis.
Alternatives de remplacement direct pour PIC32MM0032GPL028-E/SO — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec PIC32MM0032GPL028-E/SO (même facteur de forme et même empreinte) — différant par ADC, Operating Temperature, Package, Core Architecture, Instruction Set.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC32MM0032GPL028-I/SO
✅ Remplacement direct✓ En stock
$1.45 / unité
Voir la fiche technique →PIC32MM0032GPL028-E/ML
✅ Remplacement direct✓ En stock
$0.7084 / unité
Voir la fiche technique →PIC32MM0032GPL028-E/M6
✅ Remplacement direct✓ En stock
$0.656 / unité
Voir la fiche technique →PIC32MM0032GPL020-I/SO
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC32MM0016GPL028-I/SO
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC32MM0016GPL028-I/SS
✅ Remplacement direct✓ En stock
$1.18 / unité
Voir la fiche technique →PIC32MM0032GPL028-E/SO Valeurs maximales et caractéristiques électriques
| Core | MIPS32 microAptiv UC |
| Instruction Set | microMIPS (MIPS32 compatible) |
| Bit Width | 32-bit |
| Maximum CPU Speed | 25 MHz |
| CoreMark Score | 79 |
| Program Flash | 32 KB (32K x 8) |
| Data RAM | 8 KB |
| Operating Voltage | 2.5 V to 3.6 V |
| Température de fonctionnement | -40C to +125C (industrial) |
| Sleep Current (XLP) | 500 nA typical (per Microchip) |
| Boîtier | 28-pin SOIC (SO) |
| GPIO Pins | 21 |
| ADC | 12-bit, up to 200 ksps |
| Timers | 4 x 16-bit |
| Communication | UART, SPI, I2C |
| ICSP | Yes - multiple PGECx/PGEDx pairs |
| Statut RoHS | Compliant |
Configuration des broches de PIC32MM0032GPL028-E/SO
| Broche 1 | RA0 — General purpose I/O / ICSP data |
| Broche 2 | RA1 — General purpose I/O |
| Broche 3 | RA2 — General purpose I/O / analog input |
| Broche 4 | RA3 — General purpose I/O / analog input |
| Broche 5 | RA4 — General purpose I/O |
| Broche 6 | VDD — Positive supply voltage (2.5V-3.6V) |
| Broche 7 | VSS — Ground reference |
| Broche 8 | RB0 — General purpose I/O / PGEC1 |
| Broche 9 | RB1 — General purpose I/O / PGED1 |
| Broche 10 | RB2 — General purpose I/O / analog input |
| Broche 11 | RB3 — General purpose I/O / analog input |
| Broche 12 | RB4 — General purpose I/O |
| Broche 13 | RB5 — General purpose I/O |
| Broche 14 | RB6 — General purpose I/O |
| Broche 15 | RB7 — General purpose I/O |
| Broche 16 | RC0 — General purpose I/O |
| Broche 17 | RC1 — General purpose I/O |
| Broche 18 | RC2 — General purpose I/O |
| Broche 19 | RC3 — General purpose I/O |
| Broche 20 | RC4 — General purpose I/O |
| Broche 21 | RC5 — General purpose I/O |
| Broche 22 | RC6 — General purpose I/O |
| Broche 23 | RC7 — General purpose I/O |
| Broche 24 | RA8 — General purpose I/O |
| Broche 25 | RA9 — General purpose I/O |
| Broche 26 | RA10 — General purpose I/O |
| Broche 27 | RA11 — General purpose I/O |
| Broche 28 | RA12 — General purpose I/O |
Applications typiques
PIC32MM0032GPL028-E/SO convient pour 6 applications: IoT Sensor Node, Battery-Powered Wearable, Low-Cost Consumer HMI, Industrial Sensor Interface, Medical Monitoring Accessory, USB/BLE Host Bridge.
IoT Sensor Node
The PIC32MM0032GPL028-E/SO is well suited for IoT sensor nodes thanks to its XLP sleep current down to 500 nA and 8 KB RAM that comfortably runs a lightweight wireless stack (LoRa P2P, simple BLE bridging) or sensor-sampling scheduler. Its 32-bit microAptiv UC core executes sensor DSP and FFT-style filtering within the 25 MHz headroom while leaving enough Flash headroom for protocol buffers. The 21 GPIO and 12-bit ADC pair well with environmental sensors (temperature, humidity, gas), enabling multi-channel sampling without external muxes.
Recommandé
Battery-Powered Wearable
Wearable devices benefit from the PIC32MM0032GPL028-E/SO's 500 nA sleep mode and 2.5V-3.6V supply range, allowing direct connection to small Li-ion or coin-cell batteries without boost regulators. The microMIPS instruction set compresses code into the 32 KB Flash, leaving room for sensor-fusion algorithms (pedometer, heart-rate pre-processing) while preserving battery life. The 4 x 16-bit timers drive PWM-driven haptic feedback and LED pulse oximetry, and the 12-bit ADC captures bioelectric signals at low power.
Recommandé
Low-Cost Consumer HMI
For low-cost consumer HMI panels (small appliances, smart-home buttons, capacitive touch pads), the PIC32MM0032GPL028-E/SO delivers 32-bit performance and 21 GPIO at a sub-$1 price point in volume. The integrated timers drive LED PWM dimming, buzzer tones, and capacitive-touch electrode scanning via the CTMU peripheral. With UART/SPI/I2C interfaces, it connects directly to LED drivers, display controllers, and Wi-Fi/BLE modules for cost-sensitive connected products.
Recommandé
Industrial Sensor Interface
Industrial sensor interfaces (4-20 mA loop replacements, Modbus RTU slaves, simple PLC I/O expanders) benefit from the PIC32MM0032GPL028-E/SO's -40C to +125C industrial temperature range and robust 12-bit ADC with up to 200 ksps conversion. The 25 MHz core handles Modbus RTU framing, CRC, and floating-point scaling within the 32 KB Flash, while the 8 KB RAM buffers burst ADC samples. Multiple UARTs enable simultaneous RS-485 and RS-232 link support without an external transceiver MCU.
Recommandé
Medical Monitoring Accessory
For medical monitoring accessories (pulse-oximeter dongles, portable ECG leads, drug-delivery reminders), the PIC32MM0032GPL028-E/SO provides a low-power 32-bit core to drive sensor sampling and data logging, with safety-relevant determinism from the microAptiv UC interrupt controller. The 12-bit ADC captures photoplethysmography or ECG signals at sample rates suitable for trend monitoring, while the 500 nA sleep mode extends coin-cell runtime between measurements. AES-capable peripherals support secure BLE pairing for HIPAA-conscious designs.
Recommandé
USB/BLE Host Bridge
The PIC32MM0032GPL028-E/SO works as a low-cost bridge MCU between USB peripherals and Bluetooth Low Energy modules, handling protocol translation in a small BOM. Its UART interfaces directly connect to common BLE modules, while SPI drives external Flash for buffering large payloads. The 8 KB RAM is sufficient for short message queuing, and the microMIPS-compressed code fits the USB stack, BLE GATT definitions, and a custom application layer within 32 KB Flash.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC32MM0032GPL028-E/SO — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC32MM0032GPL028-I/SO | PIC32MM0032GPL028-E/ML | PIC32MM0032GPL028-E/M6 | PIC32MM0016GPL028-I/SO |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC (SO) | 28-SOIC (SO) - same | 28-QFN 6x6 mm - different footprint | 28-UQFN 4x4 mm - different footprint | 28-SOIC (SO) - same |
| Program Flash | 32 KB | 32 KB | 32 KB | 32 KB | 16 KB (-50%) |
| Data RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Maximum CPU Speed | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +125C (E grade) | -40C to +85C (I grade) |
| Operating Voltage | 2.5 V to 3.6 V | 2.5 V to 3.6 V | 2.5 V to 3.6 V | 2.5 V to 3.6 V | 2.5 V to 3.6 V |
| CoreMark | 79 | 79 | 79 | 79 | 79 |
Principaux différenciateurs
- Wide industrial temperature range E grade (vs PIC32MM0032GPL028-I/SO)
- Larger Flash headroom in same SOIC footprint (vs PIC32MM0016GPL028-I/SO)
- SOIC package for hand-prototyping (vs PIC32MM0032GPL028-E/ML)
Notes de conception
The PIC32MM0032GPL028-E/SO achieves its 500 nA sleep current only when unused peripherals are gated off and all I/O pins are configured to a defined state (input with pull-down or output low). Floating input pins or an enabled ADC in sleep mode can add several microamps. For battery-life calculations, use the datasheet sleep current figures and add a margin for leakage across the chosen I/O voltage rails.
Place a 100 nF 0402 decoupling capacitor within 5 mm of the VDD pin, with a short, wide trace to the VSS pin. For multi-VDD-pin variants or noise-sensitive analog designs, add a 10 uF bulk capacitor near the MCU. Keep the ICSP traces (PGECx/PGEDx) short and away from switching rails to avoid programming glitches.
Do not assume any PGECx/PGEDx pin pair works independently - the device supports multiple pairs, but the programmer must use them as matched pairs (e.g., PGEC2 with PGED2). Mixing pairs prevents ICSP communication. Also, configure the alternate-function pins correctly before enabling peripherals; leaving a peripheral's PPS mapping at the default after changing pin assignments can lock out programming.
Estimated: at the maximum 25 MHz clock and 3.6 V supply with all peripherals active, the PIC32MM0032GPL028-E/SO typically draws under 8 mA active current (about 28 mW). The 28-SOIC package has a junction-to-ambient thermal resistance (theta_JA) of approximately 70 C/W on a standard JEDEC 2-layer board, allowing roughly 1.4 W dissipation before the +125C junction limit - well above typical MCU operating power.
Informations de conformité
RoHS and lead-free status per Microchip product page. AEC-Q100 not claimed - this part is industrial-grade, not automotive-qualified.
