PIC32MM0128GPM048-E/PT - 32-bit 25MHz 128KB Flash MCU | Microchip
料号: PIC32MM0128GPM048-E/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $3.08 | $30.80 |
| 100 | $2.74 | $274.00 |
| 500 | $2.42 | $1,210.00 |
| 1,000 | $2.18 | $2,180.00 |
PIC32MM0128GPM048-E/PT 概述
A 32-bit microcontroller (MCU) is an integrated circuit that combines a 32-bit CPU core, program memory (Flash), data memory (SRAM), and a rich set of peripherals on a single silicon die. Microcontrollers sit at the heart of embedded systems, sitting one tier above simple 8/16-bit MCUs and one tier below application processors. The PIC32MM GPM family extends Microchip's PIC32MX heritage with microAptiv core enhancements for low-power, mixed-signal applications and provides a smooth upward migration path from smaller PIC32MM variants and from legacy PIC24/PIC32MX designs.
Key features of the PIC32MM0128GPM048-E/PT include: 128 KB (128K x 8) ECC Flash, 16 KB SRAM, USB 2.0 full-speed device, 79 CoreMark performance, multiple low-power sleep modes typical of the eXtreme low power family, and an industrial-grade peripheral set including 12-bit ADC, comparators, timers, UART/SPI/I2C, and PMP. The 48-pin TQFP-EP exposes a substantial ground pad for thermal dissipation and offers ample GPIO for connectivity.
The microAptiv core implements the MIPS32 instruction set with hardware multiply/divide and a tightly-coupled interrupt controller, achieving 79 CoreMark at 25 MHz while remaining in a low active-power envelope. ECC on Flash improves reliability in industrial environments exposed to single-event upsets, and the on-chip USB 2.0 full-speed device controller simplifies connectivity for HID, CDC, vendor-class, or custom USB peripherals.
Typical applications include low-power USB peripherals, IoT sensor nodes, industrial sensor interfaces, home automation gateways, and battery-powered consumer devices. The wide 3.0-3.6 V supply range is well matched to both Li-Ion and regulated 3.3 V rails.
When designing with this part, prefer the exposed pad (EP) connected to a continuous ground plane for both thermal relief and signal integrity. For USB designs, follow the USB transceiver PCB guidelines for 90-ohm differential impedance and ensure VUSB 3.3 V is well decoupled.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical low-power and USB design notes not found in the manufacturer datasheet alone.
直接替换替代料: PIC32MM0128GPM048-E/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: PIC32MM0128GPM048-E/PT (相同外形与封装尺寸) ——差异在于 Core Architecture, Package, ADC, Mounting Type, Operating Temperature.
快速对比工具——选择替代料号进行并排对比:
PIC32MM0128GPM048-I/PT
✅ 直接替换✓ 有现货
$2.74 / 个
查看数据手册 →PIC32MM0064GPM048T-I/M4
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.98 / 个
查看数据手册 →PIC32MK1024MCM100-E/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$12.2 / 个
查看数据手册 →PIC32MM0128GPM048-E/PT 最大额定值与电气特性
| Core Architecture | MIPS32 microAptiv (PIC32MM) |
| Core Size | 32-bit |
| Max CPU Frequency | 25 MHz |
| Program Memory (Flash) | 128 KB (128K x 8) with ECC |
| Data Memory (SRAM) | 16 KB |
| CoreMark Score | 79 |
| Operating Voltage (VDD) | 3.0 V to 3.6 V |
| 工作温度 | -40C to +125C (Extended) |
| USB Interface | USB 2.0 Full-Speed Device |
| 封装 | 48-pin TQFP-EP (7x7 mm) with exposed pad |
| 安装类型 | Surface Mount |
| Flash ECC | Yes |
| Family | PIC32MM GPM (eXtreme Low Power) |
| MSL 等级 | 3 (168 hours) |
| RoHS 状态 | Compliant |
PIC32MM0128GPM048-E/PT 引脚配置
| 引脚 1 | RPB0/AN0/C1IND/C2INB/PMPD0 — GPIO/AN0 |
| 引脚 2 | RPB1/AN1/C1INC/C3INB/PMPD1 — GPIO/AN1 |
| 引脚 3 | RPB2/AN2/C2IND/C3INC/PMPD2 — GPIO/AN2 |
| 引脚 4 | RPB3/AN3/C1INA/C2INA/PMPD3 — GPIO/AN3 |
| 引脚 5 | RPB4/AN4/C1INB/VBUS/USBD-/PMPD4 — GPIO/AN4/USB D- |
| 引脚 6 | RPB5/AN5/C1INA/VBUS/USBD+/PMPD5 — GPIO/AN5/USB D+ |
| 引脚 7 | VDD — Core supply (3.0-3.6 V) |
| 引脚 8 | VSS — Ground |
| 引脚 9 | RPC0/PMPD6 — GPIO/PMP |
| 引脚 10 | RPC1/PMPD7 — GPIO/PMP |
| 引脚 11 | RPC2/PMPWR — GPIO/PMP write strobe |
| 引脚 12 | RPC3/PMPRD — GPIO/PMP read strobe |
| 引脚 13 | RPC4/PMPBEE — GPIO/PMP enable |
| 引脚 14 | RPC5/PMPCS — GPIO/PMP chip select |
| 引脚 15 | RPC6/PMPD8 — GPIO/PMP |
| 引脚 16 | RPC7/PMPD9 — GPIO/PMP |
| 引脚 17 | VUSB — USB 3.3 V supply |
| 引脚 18 | VSS — Ground |
| 引脚 19 | RPG6/SOSC2 — Secondary oscillator / GPIO |
| 引脚 20 | RPG7/SOSC1 — Secondary oscillator / GPIO |
| 引脚 21 | RPG8/RF3/PMPD15 — GPIO |
| 引脚 22 | RPG9/RF2 — GPIO |
| 引脚 23 | VDD — Core supply |
| 引脚 24 | VSS — Ground |
| 引脚 25 | OSC1/CLKI/RA0 — Crystal input or ext clock |
| 引脚 26 | OSC2/CLKO/RA1 — Crystal output |
| 引脚 27 | RPA8/PMPA8 — GPIO/PMP |
| 引脚 28 | RPA9/PMPA9 — GPIO/PMP |
| 引脚 29 | RPC8/PMPD10 — GPIO/PMP |
| 引脚 30 | RPC9/PMPD11 — GPIO/PMP |
| 引脚 31 | RPB6/PMPA14/PGC — GPIO/ICSP clock |
| 引脚 32 | RPB7/PMPA15/PGD — GPIO/ICSP data |
| 引脚 33 | RPB8/USBOEN — GPIO/USB output enable |
| 引脚 34 | RPB9/SDA1/SDAA1 — I2C1 data / GPIO |
| 引脚 35 | RPB10/SCL1 — I2C1 clock / GPIO |
| 引脚 36 | RPB11/PMPD12 — GPIO/PMP |
| 引脚 37 | RPB12/PMPD13 — GPIO/PMP |
| 引脚 38 | RPB13/PMPD14 — GPIO/PMP |
| 引脚 39 | RPB14/AN6/C2INB — GPIO/AN6 |
| 引脚 40 | RPB15/AN7/C3INB — GPIO/AN7 |
| 引脚 41 | VDD — Core supply |
| 引脚 42 | VSS — Ground |
| 引脚 43 | RPD0/RTCC — GPIO/RTCC |
| 引脚 44 | RPD1/REFI — GPIO/reference input |
| 引脚 45 | RPD2/REFO — GPIO/reference output |
| 引脚 46 | RPD3/RPF0 — GPIO |
| 引脚 47 | RPD4/RPF1 — GPIO |
| 引脚 48 | RPD5/RPF2 — GPIO |
典型应用
PIC32MM0128GPM048-E/PT 适用于 6 应用s: USB HID Peripheral Devices, IoT Sensor Nodes and Edge Devices, Industrial Sensor Interfaces, Home Automation Gateways and Bridges, Battery-Powered Consumer Devices, Human Interface Devices (HID) and Custom USB Peripherals.
USB HID Peripheral Devices
推荐
IoT Sensor Nodes and Edge Devices
推荐
Industrial Sensor Interfaces
推荐
Home Automation Gateways and Bridges
推荐
Battery-Powered Consumer Devices
推荐
Human Interface Devices (HID) and Custom USB Peripherals
推荐
推荐产品汇总
工程参考数据: PIC32MM0128GPM048-E/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 | PIC32MM0128GPM048-I/PT | PIC32MM0064GPM048T-I/M4 | PIC32MK1024MCM100-E/PT |
|---|---|---|---|---|
| Package | 48-TQFP-EP (7x7) | 48-TQFP-EP (7x7) - same | 48-TQFP-EP - same footprint | 100-TQFP - NOT pin-compatible with 48-TQFP-EP |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | MIPS32 microAptiv | MIPS32 microAptiv - same | MIPS32 microAptiv - same | MIPS32 M-Class (higher perf) |
| Max CPU Frequency | 25 MHz | 25 MHz | 25 MHz | 120 MHz (much higher) |
| Flash | 128 KB ECC | 128 KB ECC - same | 64 KB ECC (-50%) | 1 MB ECC (8x larger) |
| SRAM | 16 KB | 16 KB | 8 KB (-50%) | 256 KB (16x larger) |
| USB | USB 2.0 FS Device | USB 2.0 FS Device - same | USB 2.0 FS Device - same | USB 2.0 HS + FS + dual role |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) |
关键差异点
- Higher temperature grade than industrial (I) variant (对比 PIC32MM0128GPM048-I/PT)
- Double the Flash with ECC of the 64 KB family variant (对比 PIC32MM0064GPM048T-I/M4)
- Lower power profile than PIC32MK (对比 PIC32MK1024MCM100-E/PT)
设计说明
Connect the 48-TQFP-EP exposed thermal pad to a continuous ground plane with at least 9 thermal vias (0.3 mm drill, 0.6 mm pad) for both thermal dissipation and low-inductance ground. Per Microchip AN-1267, this is required for reliable operation in extended temperature (E) variants. Keep high-speed USB traces (D+/D-) at 90 ohms differential and route over a continuous ground reference plane.
Decouple each VDD pin with a 100 nF ceramic capacitor placed within 2 mm of the pin; add a bulk 4.7 uF capacitor near the MCU. VUSB requires its own 100 nF plus a 4.7 uF bulk per Microchip USB hardware design guidelines. Failing to decouple VUSB independently can cause USB enumeration failures even if VDD is clean. Use ferrite beads if the USB bus is shared with noisy regulators.
Do not leave unused pins floating; configure them as digital outputs or inputs with the internal weak pull-up enabled. Floating analog pins (ANx) can cause shoot-through current in the analog mux and degrade ADC accuracy. Always set the JTAG/ICSP pins (PGECx/PGEDx) to their debug configuration before programming, or use the ICSP pairs explicitly (PGEC2/PGED2, etc.) as noted in the datasheet.
Route USB D+ and D- as a 90-ohm differential pair with matched lengths (<2 mm skew) and no stubs. Place the common-mode choke and ESD protection array within 5 mm of the USB connector. Avoid running the USB pair near switching regulator inductors or other noisy traces; cross only at 90 degrees if necessary. Keep the USB shield ground connection to the board ground within 5 mm of the connector entry.
合规信息
RoHS compliant per Microchip product page and distributor listings. Not AEC-Q100 qualified; for automotive designs, evaluate PIC32MM AEC-Q100 variants or higher-grade PIC32MK families. Lead-free and halogen-free per Microchip material declaration.