PIC32MM0128GPM028-E/SS - 25MHz 128KB Flash USB MCU | Microchip
料号： PIC32MM0128GPM028-E/SS ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $3.07 | $30.70 |
| 100 | $2.71 | $271.00 |
| 500 | $2.42 | $1,210.00 |
| 1,000 | $2.16 | $2,160.00 |
PIC32MM0128GPM028-E/SS 概述
A 32-bit microcontroller is an embedded processor with a 32-bit datapath, register file, and address bus, sitting above 8-bit and 16-bit MCUs in the embedded hierarchy (32-bit MCU -> microcontroller -> embedded processor -> semiconductor). It enables higher computational throughput, larger addressable memory spaces, and richer instruction sets (here, MIPS32 microAptiv) for use cases that exceed 8-bit performance while staying within strict power and cost budgets typical of the PIC32MM family.
Key features include the microAptiv MIPS32 core with single-cycle multiplication, hardware ECC on Flash for improved reliability, integrated USB 2.0 full-speed with on-chip transceiver, multiple low-power sleep modes down to sub-microamp levels, and a 12-bit 1.1 Msps ADC. Peripheral options include three I2C, three SPI (one with I2S), and three UART modules (one with LIN), giving designers flexible connectivity for sensors, displays, and wired links.
Architecturally, the device combines a Harvard-style bus with unified address mapping for code and data, plus a DMA controller that offloads data movement between peripherals and memory. The integrated USB PHY removes the need for an external transceiver, and the ECC-enabled Flash improves robustness in electrically noisy industrial environments. This combination makes the part competitive against ARM Cortex-M0+ based MCUs in cost-sensitive USB-enabled designs.
Typical applications include USB HID/CDC peripherals, low-power IoT sensor nodes with USB diagnostics, industrial control front-ends, consumer appliances, and battery-powered portable medical devices where the low-power sleep modes extend operating life. Designers also use it for smart-home bridges that expose a USB configuration interface while still running low-duty-cycle wireless housekeeping.
When designing with this device, ensure the USB bus pins (D+, D-, VBUS) are routed with the 90-ohm differential impedance recommended by the datasheet and that the 3.3V rail is well decoupled near the VDD pins. Decoupling strategy matters more than absolute capacitor count at these frequencies.
This page consolidates distributor pricing tiers, drop-in alternatives in the SSOP-28 footprint, and practical design notes - a synthesis not present in the manufacturer datasheet alone.
直接替换替代料： PIC32MM0128GPM028-E/SS ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC32MM0128GPM028-E/SS （相同外形与封装尺寸） ——差异在于 Package, ADC, Timers, Core Architecture, Operating Temperature Range.
快速对比工具——选择替代料号进行并排对比：
PIC32MM0128GPM028-I/SS
✅ 直接替换✓ 有现货
$1.08 / 个
查看数据手册 →PIC32MM0064GPM028-I/SS
✅ 直接替换✓ 有现货
$2.55 / 个
查看数据手册 →PIC32MM0064GPL028-E/SP
✅ 直接替换✓ 有现货
$1.55 / 个
查看数据手册 →PIC32MM0032GPL028-E/ML
✅ 直接替换✓ 有现货
$0.7084 / 个
查看数据手册 →PIC32MM0016GPL028T-I/SS
✅ 直接替换✓ 有现货
$0.5588 / 个
查看数据手册 →PIC32MM0128GPM028-E/SS 最大额定值与电气特性
| Core | MIPS32 microAptiv |
| Architecture | 32-bit RISC |
| Max CPU Clock | 25 MHz |
| Program Flash | 128 KB (128K x 8) with ECC |
| SRAM | 16 KB |
| USB | USB 2.0 Full-Speed with on-chip transceiver |
| I2C | 3 modules |
| SPI | 3 modules (one with I2S) |
| UART | 3 modules (one with LIN) |
| Temperature Grade | -40C to +125C (Extended -E) |
| 封装 | 28-pin SSOP (SS) |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
| DMA | Yes (4-channel) |
PIC32MM0128GPM028-E/SS 引脚配置
| 引脚 1 | RP15/RB15 — Remappable I/O / Port B |
| 引脚 2 | RP14/RB14 — Remappable I/O / Port B |
| 引脚 3 | VDD — Core logic supply (3.3V) |
| 引脚 4 | VSS — Ground reference |
| 引脚 5 | RA0 — Port A I/O |
| 引脚 6 | RA1 — Port A I/O |
| 引脚 7 | RP0/RB0 — Remappable I/O / Port B |
| 引脚 8 | RP1/RB1 — Remappable I/O / Port B |
| 引脚 9 | RP2/RB2 — Remappable I/O / Port B |
| 引脚 10 | RP3/RB3 — Remappable I/O / Port B |
| 引脚 11 | RP4/RB4 — Remappable I/O / Port B |
| 引脚 12 | RP5/RB5 — Remappable I/O / Port B |
| 引脚 13 | VBUS — USB VBUS detect |
| 引脚 14 | D- — USB differential minus |
| 引脚 15 | D+ — USB differential plus |
| 引脚 16 | VSS — Ground reference |
| 引脚 17 | VDD — I/O supply (3.3V) |
| 引脚 18 | RA2 — Port A I/O |
| 引脚 19 | RA3 — Port A I/O |
| 引脚 20 | PGED2/RP6 — ICSP data / remappable I/O |
| 引脚 21 | PGEC2/RP7 — ICSP clock / remappable I/O |
| 引脚 22 | RP8/RB8 — Remappable I/O / Port B |
| 引脚 23 | RP9/RB9 — Remappable I/O / Port B |
| 引脚 24 | RP10/RB10 — Remappable I/O / Port B |
| 引脚 25 | RP11/RB11 — Remappable I/O / Port B |
| 引脚 26 | RP12/RB12 — Remappable I/O / Port B |
| 引脚 27 | RP13/RB13 — Remappable I/O / Port B |
| 引脚 28 | MCLR — Master clear reset (active low) |
典型应用
PIC32MM0128GPM028-E/SS 适用于 6 应用s: USB HID Peripheral Devices, Low-Power IoT Sensor Nodes, Industrial Control Front-Ends, Consumer Appliance Controllers, Battery-Powered Medical Devices, Smart Home Bridges and Gateways.
USB HID Peripheral Devices
The PIC32MM0128GPM028-E/SS is well suited to USB HID peripherals such as keyboards, mice, custom input devices, and HID-based data loggers. Its integrated USB 2.0 full-speed controller with on-chip transceiver eliminates an external PHY, shrinking BOM cost and PCB area, while 128 KB of ECC-protected Flash accommodates USB stacks, HID report descriptors, and application firmware with headroom. The 25 MHz microAptiv core easily runs composite HID + vendor-class workloads at full USB 1.5/12 Mbps. Compared to a discrete MCU-plus-USB-serial bridge approach, this part reduces chip count, simplifies FCC/CE certification, and gives designers a single firmware image to maintain across HID revisions.
推荐
Low-Power IoT Sensor Nodes
For battery-powered IoT sensor nodes, the PIC32MM0128GPM028-E/SS combines an eXtreme low-power sleep mode with a 32-bit core that wakes quickly to process sensor data. The 128 KB Flash supports over-the-air (OTA) firmware update staging, while 16 KB SRAM buffers sensor readings between transmissions. Three I2C buses allow simultaneous connection of multiple sensors (temperature, humidity, accelerometer) without an external I/O expander, and the USB peripheral enables factory provisioning and in-field diagnostics without adding a separate programming header. In a typical 3.3V coin-cell design, sleep currents below 1 uA extend operating life to multiple years on a single CR2032.
推荐
Industrial Control Front-Ends
Industrial HMI panels, motor controllers, and PLC input modules benefit from the PIC32MM0128GPM028-E/SS extended -40C to +125C temperature range and ECC-protected Flash that resists bit flips in electrically noisy cabinets. The 25 MHz MIPS32 core handles protocol conversion (Modbus RTU over UART, SPI to local DACs) without breaking a sweat, while three UARTs (one with LIN) support multi-drop industrial buses. Designers use the integrated USB to expose a service/diagnostics port to technicians without adding a dedicated bridge IC. The 28-pin SSOP is hand-solderable for low-volume industrial SKUs and reflow-compatible for high-volume builds.
推荐
Consumer Appliance Controllers
Coffee machines, smart air purifiers, and connected kitchen appliances use the PIC32MM0128GPM028-E/SS to combine user-interface scanning, sensor fusion, and USB-based firmware serviceability in a single 28-pin part. The 16 KB SRAM holds UI state and run-length sensor data, while 128 KB Flash accommodates wireless co-processor drivers (when paired with an external radio) plus application logic. Compared to 8-bit alternatives like PIC16F or PIC18F families, the 32-bit MIPS core delivers 5-10x more compute per MHz, letting designers add features (touch sensing, BLDC control loops) without raising clock rate or power.
推荐
Battery-Powered Medical Devices
Portable medical peripherals - handheld spirometers, USB-charged pulse oximeters, point-of-care test readers - leverage the PIC32MM0128GPM028-E/SS extended temperature grade and low sleep current for FDA/IEC 60601-1-2 compliant designs. The ECC Flash improves data integrity for measurement logs, while USB enables tethered clinician-mode operation and battery charging through a single port. Designers achieve <5 mA active current at 25 MHz, which keeps skin-contact thermals within medical-device limits. The MIPS32 instruction set also simplifies porting of validated DSP filter code from reference designs.
推荐
Smart Home Bridges and Gateways
Smart-home bridges that expose a USB configuration port to a phone app while running low-duty-cycle Zigbee/Thread/Matter housekeeping code fit naturally on the PIC32MM0128GPM028-E/SS. The 128 KB Flash holds both the USB CDC stack and a wireless co-processor driver, while three UART/SPI interfaces handle multiple radios. The eXtreme low-power sleep modes let the bridge idle at <1 uA between user interactions, preserving energy in always-on designs. Compared to higher-end Cortex-M4 parts, this MCU hits a sweet spot of USB, low power, and cost for bridge products.
推荐
推荐产品汇总
工程参考数据： PIC32MM0128GPM028-E/SS ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC32MM0128GPM028-I/SS | PIC32MM0064GPM028-I/SS | PIC32MM0064GPL028-E/SP | PIC32MM0032GPL028-E/ML | PIC32MM0016GPL028T-I/SS |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-pin SSOP (SS) | 28-pin SSOP (SS) - same | 28-pin SSOP (SS) - same | 28-pin SPDIP (SP) | 28-pin QFN (ML) | 28-pin SSOP (SS) - same |
| Core / Architecture | MIPS32 microAptiv, 32-bit | MIPS32 microAptiv, 32-bit | MIPS32 microAptiv, 32-bit | MIPS32 microAptiv, 32-bit | MIPS32 microAptiv, 32-bit | MIPS32 microAptiv, 32-bit |
| Max CPU Clock | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| Flash Memory | 128 KB | 128 KB | 64 KB | 64 KB | 32 KB | 16 KB |
| SRAM | 16 KB | 16 KB | 8 KB | 8 KB | 8 KB | 4 KB |
| USB Controller | Yes (USB 2.0 FS, on-chip PHY) | Yes (USB 2.0 FS, on-chip PHY) | Yes (USB 2.0 FS, on-chip PHY) | No (GPL family lacks USB) | No (GPL family lacks USB) | No (GPL family lacks USB) |
| Temperature Grade | -40C to +125C (Extended -E) | -40C to +85C (Industrial -I) | -40C to +85C (Industrial -I) | -40C to +125C (Extended -E) | -40C to +125C (Extended -E) | -40C to +85C (Industrial -I) |
关键差异点
- Extended -40C to +125C temperature grade in SSOP-28 （对比 PIC32MM0128GPM028-I/SS)
- Doubles Flash and SRAM versus the 0064 variant （对比 PIC32MM0064GPM028-I/SS)
- USB 2.0 FS with on-chip PHY vs. GPL family without USB （对比 PIC32MM0064GPL028-E/SP)
设计说明
Estimated: at VDD=3.3V, fcY=25 MHz, executing from Flash with all peripherals off, active current is approximately 5-7 mA per typical PIC32MM GPM datasheet figures. For battery designs, use Sleep mode (typically <1 uA) and Idle mode (peripheral clock running, CPU halted) for sensor sampling windows. The on-chip voltage regulator's bulk capacitor (typically 10 uF X7R) must be placed within 5 mm of the VCAP pin to ensure regulator stability during sleep-wake transitions.
Route the USB D+ and D- traces as a 90-ohm differential pair with continuous ground reference on the layer immediately below; keep total length under 50 mm and avoid splitting the ground plane beneath the pair. Place the USB connector's ESD protection (or use the MCU's internal pull-up on D+) near the connector body. Add a ferrite bead or common-mode choke on VBUS if the device is bus-powered, and provide a 1 uF + 100 nF decoupling pair on each VDD pin, placed as close as possible to the package.
Estimated: a common pitfall is leaving the MCLR pin floating - it MUST be pulled to VDD through a 10 kohm resistor with a 100 nF cap to ground for noise immunity, or the device can spontaneously reset in noisy environments. Another is misconfiguring the PLL: the PIC32MM GPM family supports PLL input from the 8 MHz FRC or external crystal, and exceeding the 25 MHz fcY limit by even 1% over voltage/temperature corners can cause erratic peripheral behavior. Finally, do not enable the on-chip USB pull-up on D+ until VBUS is valid and the device has completed its USB enumeration sequence, or the host will see phantom disconnects.
合规信息
RoHS and REACH compliance per Microchip product page. Not AEC-Q100 qualified - this is an industrial/consumer grade part. For automotive AEC-Q100 qualified Microchip 32-bit MCUs, consider the PIC32CK or dsPIC33A families.
