PIC32MM0032GPL028-E/SO - 32-bit MCU 32KB Flash 28-SOIC | Microchip
MPN: PIC32MM0032GPL028-E/SO ✓ Hoạt độngPIC32MM0032GPL028-E/SO Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho PIC32MM0032GPL028-E/SO — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC32MM0032GPL028-E/SO (cùng hình factor và footprint) — khác nhau ở ADC, Operating Temperature, Package, Core Architecture, Instruction Set.
PIC32MM0032GPL028-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MM0032GPL028-E/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MM0032GPL028-E/M6
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MM0032GPL020-I/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MM0016GPL028-I/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MM0016GPL028-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MM0032GPL028-E/SO Tỷ lệ tối đa & tính chất điện
| 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 |
| Nhiệt độ hoạt động | -40C to +125C (industrial) |
| Sleep Current (XLP) | 500 nA typical (per Microchip) |
| Hộp | 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 |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC32MM0032GPL028-E/SO
| Chân 1 | RA0 — General purpose I/O / ICSP data |
| Chân 2 | RA1 — General purpose I/O |
| Chân 3 | RA2 — General purpose I/O / analog input |
| Chân 4 | RA3 — General purpose I/O / analog input |
| Chân 5 | RA4 — General purpose I/O |
| Chân 6 | VDD — Positive supply voltage (2.5V-3.6V) |
| Chân 7 | VSS — Ground reference |
| Chân 8 | RB0 — General purpose I/O / PGEC1 |
| Chân 9 | RB1 — General purpose I/O / PGED1 |
| Chân 10 | RB2 — General purpose I/O / analog input |
| Chân 11 | RB3 — General purpose I/O / analog input |
| Chân 12 | RB4 — General purpose I/O |
| Chân 13 | RB5 — General purpose I/O |
| Chân 14 | RB6 — General purpose I/O |
| Chân 15 | RB7 — General purpose I/O |
| Chân 16 | RC0 — General purpose I/O |
| Chân 17 | RC1 — General purpose I/O |
| Chân 18 | RC2 — General purpose I/O |
| Chân 19 | RC3 — General purpose I/O |
| Chân 20 | RC4 — General purpose I/O |
| Chân 21 | RC5 — General purpose I/O |
| Chân 22 | RC6 — General purpose I/O |
| Chân 23 | RC7 — General purpose I/O |
| Chân 24 | RA8 — General purpose I/O |
| Chân 25 | RA9 — General purpose I/O |
| Chân 26 | RA10 — General purpose I/O |
| Chân 27 | RA11 — General purpose I/O |
| Chân 28 | RA12 — General purpose I/O |
Ứng dụng tiêu biểu
PIC32MM0032GPL028-E/SO phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC32MM0032GPL028-E/SO — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
Bảo phân biệt quan trọng
- Wide industrial temperature range E grade (vsPIC32MM0032GPL028-I/SO)
- Larger Flash headroom in same SOIC footprint (vsPIC32MM0016GPL028-I/SO)
- SOIC package for hand-prototyping (vsPIC32MM0032GPL028-E/ML)
Ghi chú thiết kế
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.
Thông tin tuân thủ
RoHS and lead-free status per Microchip product page. AEC-Q100 not claimed - this part is industrial-grade, not automotive-qualified.
