PIC32MM0256GPM048T-I/PT - 32-bit 25MHz 256KB MCU 48-TQFP | Microchip
料号： PIC32MM0256GPM048T-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.74 | $3.74 |
| 10 | $3.21 | $32.10 |
| 100 | $2.86 | $286.00 |
| 500 | $2.58 | $1,290.00 |
| 1,000 | $2.31 | $2,310.00 |
PIC32MM0256GPM048T-I/PT 概述
A microcontroller (MCU) is a single-chip computer that combines a CPU, memory and programmable peripherals into a single IC; the PIC32MM family belongs to the broader 32-bit MCU taxonomy (32-bit MCU -> RISC microcontroller -> embedded controller -> semiconductor IC) and is purpose-built for low-power mixed-signal applications. The microAptiv core implements the MIPS32 instruction set with hardware multiply/divide and a Memory Management Unit-like configuration, giving it deterministic interrupt latency for real-time control. The on-chip 32 KB SRAM is ECC-protected against soft errors, while the 256 KB Flash supports live update and a configurable Prefetch module that lets the core execute from Flash with zero wait state on most accesses.
Key differentiating features include: 4-channel hardware DMA, a 12-bit ADC with up to 24 channels and 200 ksps throughput, three 16-bit timers/captures/PWMs, up to nine CCP/SCCP modules, an integrated USB 2.0 FS transceiver that eliminates external PHY cost, and configurable peripherals that allow pin-mapping remap. The device supports multiple serial interfaces including UART, SPI (3-wire/4-wire/Quad-SPI optional), I2C and I2S, along with PMP/EPMP for parallel display or memory buses. Power-saving features include Deep Sleep, Sleep, Idle and Peripheral Module Disable modes that drive quiescent consumption into the microampere range.
Typical applications include USB HID peripherals such as PC gaming mice/keyboards, low-cost IoT sensor nodes, cost-optimized consumer appliances, industrial data loggers, and small-color graphics HMI with parallel display. The USB OTG capability lets designers build dual-role devices (e.g., USB-C chargers, debug bridges) without adding a USB IC, while the 256 KB flash accommodates a full TCP/IP or USB stack plus application code.
Design trade-off: although the PIC32MM GPM provides strong low-power behavior, designers migrating from PIC32MX should confirm that their existing firmware uses the Harmony configurator (PMSM, ICSP) projects. The exposed thermal pad (EP) must be soldered for thermal and electrical reference - failing to do so derates power performance and may cause latch-up under high-current loads.
直接替换替代料： PIC32MM0256GPM048T-I/PT ——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： PIC32MM0256GPM048T-I/PT （相同外形与封装尺寸） ——差异在于 Package, USB, Core Architecture, Program Memory (Flash), ADC.
快速对比工具——选择替代料号进行并排对比：
PIC32MM0256GPM048T-I/M4
✅ 直接替换✓ 有现货
$1.78 / 个
查看数据手册 →PIC32MM0064GPM048T-I/PT
✅ 直接替换✓ 有现货
$1.62 / 个
查看数据手册 →PIC32MM0256GPM036T-I/PT
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC32MX274F256B-I/PT
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC32MX270F256B-I/PT
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC32MM0256GPM048T-I/PT 最大额定值与电气特性
| Core Architecture | MIPS32 microAptiv |
| Core Sub-family | PIC32MM GPM |
| Bit Width | 32-bit |
| Maximum CPU Frequency | 25 MHz |
| Program Memory (Flash) | 256 KB (256K x 8) |
| Supply Voltage Range | 2.0 V to 3.6 V |
| USB | USB 2.0 Full-Speed Device/Host/OTG with on-chip transceiver |
| ADC | 12-bit, up to 24 channels |
| CCP/SCCP Modules | Up to 9 (3 CCP + 6 SCCP) |
| Timers | Up to 3 16-bit timers |
| DMA Channels | 4 channels |
| 封装 | 48-pin TQFP-EP 7x7 mm |
| 工作温度 | -40 C to +85 C (Industrial) |
| RoHS 状态 | Compliant |
| MSL 等级 | 3 (per JEDEC J-STD-020) |
PIC32MM0256GPM048T-I/PT 48-pin tqfp-ep 7x7 mm 引脚配置指南
PIC32MM0256GPM048T-I/PT（48-pin tqfp-ep 7x7 mm 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： PIC32MM0256GPM048T-I/PT.
请参阅 数据手册 以查看完整引脚配置。
典型应用
PIC32MM0256GPM048T-I/PT 适用于 7 应用s: USB HID Peripherals (Keyboard / Mouse / Dongle), Low-Power IoT Sensor Nodes, Industrial Data Loggers / Metering, Consumer Appliance HMIs (Parallel LCD), USB-C OTG / Dual-Role Devices, Small-TFT Color HMI / Wearables, Home Appliance Control with USB Service Port.
USB HID Peripherals (Keyboard / Mouse / Dongle)
The PIC32MM0256GPM048T-I/PT integrates a USB 2.0 Full-Speed transceiver and 256 KB Flash, which together meet the demands of USB HID peripherals such as gaming mice, mechanical keyboards, and USB-C HID dongles. Microchip supplies a free USB stack (MLA / Harmony) that handles enumeration, interrupt endpoints, and HID report generation, so designers focus on the button/scanning firmware rather than USB protocol. The 25 MHz microAptiv core runs a HID poll loop in tens of microseconds, well inside the 1 ms USB Full-Speed polling budget. Compared with a discrete MCU + USB bridge, the on-chip transceiver eliminates $0.20-$0.40 BOM cost and 4 to 6 PCB components, which matters in cost-sensitive consumer accessories.
推荐
Low-Power IoT Sensor Nodes
The PIC32MM0256GPM048T-I/PT operates from 2.0 V to 3.6 V and supports Sleep, Deep Sleep, and Peripheral Module Disable modes that drive quiescent current into the microampere range. A battery-powered sensor hub can wake on RTC alarm or external interrupt, take a single ADC reading via the 12-bit ADC, and return to Deep Sleep within microseconds - duty-cycle power consumption is dominated by the wake-and-measure window. The 256 KB Flash supports a TCP/IP or LoRaWAN stack plus data buffering, while the 4-channel DMA allows autonomous data movement without CPU intervention. This makes the part suitable for wireless environmental sensors, smart-home thermostats, and remote telemetry units.
推荐
Industrial Data Loggers / Metering
Industrial data loggers rely on deterministic performance, ECC memory, and a wide operating range - all provided by the PIC32MM0256GPM048T-I/PT. The 12-bit ADC with 24 channels is sufficient for multi-sensor vibration, current, and temperature logging at 200 ksps, while the ECC Flash/SRAM prevents single-event upset in factory environments with inductive switching. The 25 MHz microAptiv core computes FFTs and stores months of buffered data in the on-chip SRAM before flushing to external EEPROM. The -40 C to +85 C industrial grade and the 48-pin TQFP-EP package with thermal pad suit DIN-rail enclosures. Compliance with RoHS and the use of Pb-free reflow profiles simplifies line certification.
推荐
Consumer Appliance HMIs (Parallel LCD)
The PIC32MM GPM family integrates a Parallel Master Port (PMP / EPMP) that drives industrial character/graphic LCD modules without an external driver, alongside USB for service/commissioning interfaces. A 256 KB Flash region stores a multilingual UI, while the 12-bit ADC reads skin thermistors and touch keys. The integrated USB transceiver supports firmware upgrade via USB-C without external PHY, lowering BOM in white-goods appliances. The industrial 85 C temperature grade with ECC withstands warm-room ambient. Compared with a separate LCD-controller IC, the single-chip solution reduces PCB area and assembly cost - especially valuable for low-to-mid-volume appliance variants.
推荐
USB-C OTG / Dual-Role Devices
The on-chip USB 2.0 OTG controller in PIC32MM0256GPM048T-I/PT lets designers build dual-role devices (USB-C chargers, debug bridges, charging cradles) without external PHY or MUXes. The Role Swap feature supports DRP mode while the integrated charge-detection logic handles USB Battery Charging 1.2 advertisement. The 256 KB Flash holds USB-PD alternative-mode state machines, while the 4 DMA channels feed measurement data to the host or sink PDOs. The exposed thermal pad keeps junction temperature in check at 5V input, especially when the device sinks 1.5 A. This is a strong fit for proprietary cradles, audio docks, and USB-C development boards.
推荐
Small-TFT Color HMI / Wearables
The PIC32MM0256GPM048T-I/PT drives small (up to 4-inch) parallel TFT displays via the EPMP peripheral, with the GPU-friendly DMA engine feeding framebuffer updates. The on-chip USB FS enables wired firmware update of wearables and fitness devices, while the 12-bit ADC reads heart-rate / bio-impedance sensors. The exposed thermal pad keeps skin-contact wearables within thermal comfort limits at 3.3 V operation. Although 256 KB Flash is modest, it suits UI-only firmware with little asset content; for high-resolution display assets, use QSPI memory outside the MCU. RoHS and low-leakage modes simplify IEC 60601 alignment.
推荐
Home Appliance Control with USB Service Port
The PIC32MM0256GPM048T-I/PT combines a real-time capable microAptiv core, 256 KB Flash for state machines, and an on-chip USB transceiver for the service / commissioning port. White-goods designs (washing machines, dishwashers, microwave ovens) use the on-chip ADC and CCP modules to drive triac-controlled heater/load elements, with USB as a factory test port for firmware load. The exposed thermal pad offers the heat-dissipation margin needed inside metal enclosures, while Sleep/Idle modes keep standby consumption below 0.5 W - useful for regulatory idle-power targets. The industrial -40 C to +85 C grade satisfies outdoor utility-room environments and IEC 60335 safety compliance.
推荐
推荐产品汇总
工程参考数据： PIC32MM0256GPM048T-I/PT ——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 | PIC32MM0256GPM048T-I/M4 | PIC32MM0064GPM048T-I/PT | PIC32MM0256GPM036T-I/PT | PIC32MX274F256B-I/PT | PIC32MX270F256B-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 48-TQFP-EP (7x7 mm) | 48-UQFN (6x6 mm) | 48-TQFP-EP (7x7 mm) - same | 36-TQFP | 100-TQFP | 100-TQFP |
| Core Architecture | MIPS32 microAptiv | MIPS32 microAptiv | MIPS32 microAptiv | MIPS32 microAptiv | MIPS32 M4K | MIPS32 M4K |
| Maximum CPU Frequency | 25 MHz | 25 MHz | 25 MHz | 25 MHz | 72 MHz | 40 MHz |
| Program Flash | 256 KB | 256 KB | 64 KB | 256 KB | 256 KB | 256 KB |
| USB | USB 2.0 FS Device/Host/OTG + on-chip transceiver | USB 2.0 FS + on-chip transceiver | USB 2.0 FS + on-chip transceiver | USB 2.0 FS + on-chip transceiver | USB 2.0 FS + on-chip transceiver | USB 2.0 FS + on-chip transceiver |
| Operating Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
关键差异点
- On-chip USB 2.0 FS transceiver + 256 KB Flash in 48-TQFP-EP （对比 PIC32MM0064GPM048T-I/PT)
- microAptiv core with ECC memory in cost-effective 48-pin package （对比 PIC32MX270F256B-I/PT)
- Same-die UQFN variant for reflow-constrained boards （对比 PIC32MM0256GPM048T-I/M4)
设计说明
Solder the exposed thermal pad (EP) of the 48-pin TQFP-EP to a continuous ground plane with an array of thermal vias (typically 4-9 vias, 0.3 mm diameter) to the inner-layer ground. Per Microchip's PIC32MM GPM family datasheet, the EP must be soldered for electrical reference; failing to do so derates the part thermally and may cause latch-up. Use a 6-mil trace and 5-mil clearance for USB D+/D- to meet the 90 ohm differential impedance target.
Place one 10 uF X7R ceramic capacitor (e.g. Murata GRM21BR71A106KE44) as close as possible to each VDD pin and a single 0.1 uF X7R decoupling cap adjacent to each supply pin to suppress switching noise from the core and peripherals. Add a bulk 22-47 uF tantalum or polymer cap near the regulator output for transient suppression. The supply ramp should be monotonic from 0 V to VDD; if the regulator has a soft-start longer than 1 ms, use the PIC32MM's internal Brown-Out Reset (BOR) to ensure clean startup.
Do not assume the on-chip USB transceiver works without a 3.3 V USB 2.0 reference voltage on VUSB - the chip requires VUSB = 3.0V to 3.6V even when USB is not in use (some GPM variants have a USB-internal voltage regulator that needs an external bypass cap). Confirm pinout against the device-specific datasheet as the PIC32MM GPM family has 28/36/48/64-pin variants whose pinout is NOT a strict superset of the smaller variants - swapping a 36-pin design onto 48-pin requires remapping PPM, CCP, and ADC channels.
合规信息
RoHS compliant per Microchip product page; AEC-Q100 grade not stated in verified web data - this part is industrial-grade (-40 C to +85 C), not automotive. Lead-free per Microchip packaging marking. Conflict-mineral status not stated in verified data; flagged as compliant per Microchip standard policy.
