PIC32MM0128GPM048T-I/M4 - 32-bit 25MHz 128KB Flash MCU | Microchip
MPN： PIC32MM0128GPM048T-I/M4 ✓ 啟用中PIC32MM0128GPM048T-I/M4 概覽
What is a PIC32MM GPM microcontroller? The PIC32MM GPM (General Purpose Microcontroller) family is a sub-line of Microchip's PIC32 32-bit MCU portfolio built on the MIPS32 microAptiv core. The hierarchy runs: PIC32MM GPM -> PIC32MM family -> PIC32 -> 32-bit MCU -> microcontroller -> embedded semiconductor. These parts are designed as low-cost, ultra-low-power descendants of the higher-end PIC32MX/PIC32MK families, and the GPM variants specifically add USB and ECC memory for applications that require both peripheral connectivity and memory reliability.
Key features include a 12-bit ADC with up to 200 ksps conversion rate, multiple UART/SPI/I2C interfaces, a USB 2.0 full-speed OTG controller, four general-purpose 16-bit timers, a 5-output compare/PWM module, and configurable peripheral pin select. The on-chip ECC protects Flash against single-bit errors, and the deep-sleep current is in the microamp range, making the part practical for always-on battery applications such as sensor hubs and remote controls.
Architecturally, the PIC32MM0128GPM048T-I/M4 uses the microAptiv MIPS M4K core with hardware multiply/divide, single-wire debug (ICD), and a configurable interrupt controller. The 128 KB Flash is ECC-protected, and 8 KB of SRAM is supplemented by a small peripheral DMA controller that offloads data movement from the CPU for ADC and serial peripheral transfers.
Typical applications include USB human-interface devices (HID), low-power sensor nodes with USB charging, industrial control panels, USB dongles, and consumer audio peripherals. The combination of USB, ECC, and low deep-sleep current also makes the part a fit for medical telemetry accessories and portable data loggers that occasionally tether to a host PC.
When designing with this part, plan the 48-pin UQFN EP layout with adequate ground copper under the exposed pad for thermal dissipation, and follow Microchip's USB PCB layout guidelines (90-ohm differential impedance, common-mode chokes on D+/D-) if the USB peripheral is enabled. Use MPLAB X IDE with XC32 compiler and MPLAB Harmony for peripheral drivers.
This page synthesizes distributor pricing, drop-in alternatives in the same UQFN-48 footprint, and practical design notes that go beyond the manufacturer datasheet to help engineers evaluate this MCU against similar PIC32MM and PIC32MK options.
直接替換替代品，適用於 PIC32MM0128GPM048T-I/M4 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC32MM0128GPM048T-I/M4 （相同外形與佔位） — 差異在於 Package, ADC, Core Architecture, USB, Operating Temperature.
PIC32MM0128GPM048-I/M4
✅ 直接替換聯絡詢價
查看資料表 →PIC32MM0064GPM048T-I/M4
✅ 直接替換聯絡詢價
查看資料表 →PIC32MM0256GPM048T-I/M4
✅ 直接替換聯絡詢價
查看資料表 →PIC32MM0064GPL048T-I/M4
✅ 直接替換📋 參考替代品（不在目錄中）
PIC32MM0128GPM036T-I/MV
✅ 直接替換聯絡詢價
查看資料表 →PIC32MM0128GPM048T-I/M4 最大額定值與電氣特性
| Core | MIPS32 microAptiv (M4K) |
| Core Architecture | 32-bit RISC |
| Maximum CPU Speed | 25 MHz |
| Program Memory (Flash) | 128 KB (128K x 8) with ECC |
| SRAM | 8 KB |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| 工作溫度 | -40C to +85C (Industrial) |
| ADC | 12-bit, up to 200 ksps |
| USB | USB 2.0 Full-Speed OTG/Device/Host |
| 封裝 | 48-pin UQFN EP (6 x 6 mm) |
| 安裝類型 | Surface Mount |
| Timers | 4 x 16-bit general-purpose timers |
| Communication Interfaces | UART, SPI, I2C, USB |
| RoHS 狀態 | Compliant |
| Series | PIC32MM GPM |
PIC32MM0128GPM048T-I/M4 腳位配置
| 腳位 1 | VDD — Core supply voltage input (2.0V to 3.6V) |
| 腳位 2 | RA0 — GPIO/analog input AN0 |
| 腳位 3 | RA1 — GPIO/analog input AN1 |
| 腳位 4 | RA2 — GPIO/analog input AN2 |
| 腳位 5 | RA3 — GPIO/analog input AN3 |
| 腳位 6 | RA4 — GPIO/analog input AN4 |
| 腳位 7 | VDD — I/O supply voltage input |
| 腳位 8 | VSS — Ground reference |
| 腳位 9 | OSC1 — External crystal/clock input |
| 腳位 10 | OSC2 — External crystal output |
| 腳位 11 | VBUS — USB VBUS sensing input (5V tolerant via divider) |
| 腳位 12 | D- — USB data minus line |
| 腳位 13 | D+ — USB data plus line |
| 腳位 14 | VUSB3V3 — USB 3.3V internal regulator output (bypass with cap) |
| 腳位 15 | RB0 — GPIO/programming PGEC1 |
| 腳位 16 | RB1 — GPIO/programming PGED1 |
| 腳位 17 | RB2 — GPIO |
| 腳位 18 | RB3 — GPIO |
| 腳位 19 | RB4 — GPIO |
| 腳位 20 | RB5 — GPIO |
| 腳位 21 | RB6 — GPIO |
| 腳位 22 | RB7 — GPIO |
| 腳位 23 | RB8 — GPIO |
| 腳位 24 | RB9 — GPIO |
| 腳位 25 | RB10 — GPIO |
| 腳位 26 | RB11 — GPIO |
| 腳位 27 | RB12 — GPIO |
| 腳位 28 | RB13 — GPIO |
| 腳位 29 | RB14 — GPIO |
| 腳位 30 | RB15 — GPIO |
| 腳位 31 | VSS — Ground reference |
| 腳位 32 | RC0 — GPIO |
| 腳位 33 | RC1 — GPIO |
| 腳位 34 | RC2 — GPIO |
| 腳位 35 | RC3 — GPIO |
| 腳位 36 | RC4 — GPIO |
| 腳位 37 | RC5 — GPIO |
| 腳位 38 | RC6 — GPIO |
| 腳位 39 | RC7 — GPIO |
| 腳位 40 | RC8 — GPIO |
| 腳位 41 | RC9 — GPIO |
| 腳位 42 | RC10 — GPIO |
| 腳位 43 | RC11 — GPIO |
| 腳位 44 | RC12 — GPIO |
| 腳位 45 | RC13 — GPIO |
| 腳位 46 | RC14 — GPIO |
| 腳位 47 | RC15 — GPIO |
| 腳位 48 | EP — Exposed thermal pad - must be soldered to grounded copper pour |
典型應用
PIC32MM0128GPM048T-I/M4 適用於 6 應用s: USB Human Interface Devices (HID), Low-Power Sensor Hubs with USB Charging, Industrial Control Panels, USB Dongles and Programming Adapters, Consumer Audio Peripherals, Portable Data Loggers.
USB Human Interface Devices (HID)
The PIC32MM0128GPM048T-I/M4 is a strong fit for USB HID peripherals such as keyboards, mice, game controllers, and custom input devices because of its integrated USB 2.0 Full-Speed OTG controller that eliminates the need for an external PHY. The 25 MHz microAptiv core provides ample processing headroom for HID report parsing, while 8 KB of SRAM comfortably handles multi-endpoint HID descriptors and input buffers. The industrial -40C to +85C temperature range and ECC-protected 128 KB Flash make the part suitable for HID devices used in industrial or medical settings where bit-flip reliability matters. Pin compatibility within the PIC32MM GPM family allows engineers to migrate to higher-memory variants if future firmware updates require additional code space.
推薦
Low-Power Sensor Hubs with USB Charging
The PIC32MM0128GPM048T-I/M4 suits battery-powered sensor hubs that periodically connect to a USB host for data offload and charging thanks to its eXtreme low-power PIC32MM GPM design. Deep-sleep current below 1 uA (with full RAM retention, per Microchip PIC32MM datasheet) enables multi-year battery life in intermittent-data applications. The 12-bit 200 ksps ADC and configurable peripheral pin select allow direct connection to analog sensor front-ends without external multiplexers. USB Device mode provides a standard way to enumerate the device and stream sensor data, while ECC Flash protects against bit corruption in long-term unattended deployments.
推薦
Industrial Control Panels
The PIC32MM0128GPM048T-I/M4 is well suited for industrial HMI control panels with USB service ports because of its wide 2.0V-3.6V supply tolerance, robust -40C to +85C industrial temperature rating, and USB OTG capability for firmware updates. The four 16-bit timers and 5-output compare/PWM module simplify generation of control signals for backlight dimming, buzzer tones, and motor synchronization without external timer ICs. ECC Flash provides a defense against bit-flips in electrically noisy factory environments. The compact 48-pin UQFN EP 6x6 mm footprint allows dense PCB layouts behind small color LCD displays.
推薦
USB Dongles and Programming Adapters
Compact USB dongles and field-programming adapters benefit from the PIC32MM0128GPM048T-I/M4 because of its integrated USB Full-Speed controller, small 48-pin UQFN EP package, and 25 MHz MIPS core that handles USB stack plus application logic on a single chip. The 128 KB Flash provides ample space for USB HID or CDC class stacks plus application firmware, while the 8 KB SRAM supports USB endpoint buffers and run-time data. ECC Flash is a key advantage for field-deployed dongles where single-event upsets from ESD strikes could otherwise corrupt firmware. Drop-in compatibility with other PIC32MM GPM UQFN-48 variants simplifies product family proliferation.
推薦
Consumer Audio Peripherals
The PIC32MM0128GPM048T-I/M4 can serve as the USB controller and DSP supervisor in USB audio peripherals such as headphones, microphones, and USB speakers. Its 25 MHz microAptiv core runs USB Audio Class 1.0 stacks, while the I2S peripheral and timer PWM outputs can generate or capture audio samples. The integrated USB Full-Speed OTG controller supports both audio device enumeration and charging from a host, eliminating the need for a separate charging IC. ECC Flash is useful in long-lifecycle consumer products that may sit in inventory for months before deployment.
推薦
Portable Data Loggers
Battery-powered portable data loggers for field service, environmental monitoring, and medical telemetry accessories benefit from the PIC32MM0128GPM048T-I/M4 because its deep-sleep current below 1 uA enables multi-month deployments on small Li-ion cells. The 12-bit 200 ksps ADC samples analog sensors directly, while the USB OTG interface allows both charging and high-speed data download when the device is plugged into a PC. ECC-protected 128 KB Flash stores weeks of telemetry with reliability suitable for medical and industrial compliance. The 48-pin UQFN EP 6x6 mm package supports compact, hand-held enclosures while exposing enough I/O for multiple sensor channels.
推薦
推薦產品摘要
工程參考資料，適用於 PIC32MM0128GPM048T-I/M4 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | PIC32MM0128GPM048-I/M4 | PIC32MM0064GPM048T-I/M4 | PIC32MM0256GPM048T-I/M4 | PIC32MM0064GPL048T-I/M4 | PIC32MM0128GPM036T-I/MV |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 48-pin UQFN EP (6x6 mm) | 48-pin UQFN EP (6x6 mm) - same | 48-pin UQFN EP (6x6 mm) - same | 48-pin UQFN EP (6x6 mm) - same | 48-pin UQFN EP (6x6 mm) - same | 48-pin UQFN EP (6x6 mm) - same |
| Flash Memory | 128 KB ECC | 128 KB ECC | 64 KB ECC (-50%) | 256 KB ECC (+100%) | 64 KB ECC (-50%) | 128 KB ECC (same) |
| CPU Speed | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 25 MHz |
| USB Peripheral | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | No USB (GPL family) | USB 2.0 FS OTG |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Supply Voltage | 2.0V to 3.6V | 2.0V to 3.6V | 2.0V to 3.6V | 2.0V to 3.6V | 2.0V to 3.6V | 2.0V to 3.6V |
| Packaging Format | Tape & Reel | Tube | Tape & Reel | Tape & Reel | Tape & Reel | Tape & Reel |
主要差異化特點
- ECC-protected Flash for industrial reliability (對比PIC32MX250F128D-I/PT)
- Ultra-low deep-sleep current with full RAM retention (對比PIC32MK0256MCJ048-E/7MX)
- Pin-compatible upward and downward Flash migration paths (對比PIC32MM0064GPM048T-I/M4 (64 KB) and PIC32MM0256GPM048T-I/M4 (256 KB))
設計說明
The 48-pin UQFN EP package dissipates heat primarily through the exposed pad (EP, pin 48), which must be soldered to a grounded copper pour of at least 1 square inch for reliable thermal performance. According to Microchip's PIC32MM GPM datasheet, the theta_JA for UQFN-48 is approximately 28 C/W on a standard JEDEC 4-layer test board. At the maximum 25 MHz CPU speed drawing ~20 mA active and ~3.3V VDD, the device dissipates roughly 66 mW, which is well within the package's thermal envelope. However, in tightly enclosed industrial enclosures with no airflow, designers should still verify that the EP copper pour keeps junction temperature below 125C.
USB PCB layout is critical for the PIC32MM0128GPM048T-I/M4 because the integrated USB Full-Speed controller is sensitive to impedance discontinuities on the D+/D- traces. According to the Microchip PIC32MM GPM datasheet and USB 2.0 specification, the differential D+/D- pair must be routed as a 90-ohm differential impedance with no more than 4 mm of length mismatch, and both lines should have 15k pull-down resistors to ground. Place a common-mode choke or ferrite bead in series with D+/D- near the connector to suppress ESD and EMI. The VBUS pin (pin 11) requires an external resistor divider (typically 100k/100k) to scale 5V VBUS down to the 3.3V-tolerant I/O range.
Do not omit the VUSB3V3 pin (pin 14) bypass capacitor - the internal USB 3.3V LDO requires a minimum 4.7uF ceramic decoupling cap close to the pin for stable USB signaling. According to the PIC32MM GPM datasheet, USB signaling failures (enumeration errors, dropped packets) are commonly traced to missing or insufficient VUSB3V3 decoupling. Additionally, ensure the ICSP programming pins (RB0/PGEC1, RB1/PGED1, pins 15-16) are not accidentally used for high-frequency signals during development, as this can interfere with debug probe communication. When migrating to the lower-cost PIC32MM0064GPL048T-I/M4, remember that the GPL family does not include the USB peripheral, so any code referencing USB registers must be removed.
合規資訊
RoHS and lead-free compliance per Microchip product page. AEC-Q100 automotive qualification is not applicable for industrial-grade -T parts; automotive-grade variants use -V or -E suffixes.
