PIC32MX270F512L-50I/PT - 50MHz 32-bit MCU 512KB Flash | Microchip
MPN: PIC32MX270F512L-50I/PT ✓ فعالPIC32MX270F512L-50I/PT نمای کلی
A 32-bit microcontroller (MCU) is a microprocessor optimized for embedded control, integrating CPU core, memory, and peripherals on a single die. Within the broader taxonomy, the PIC32MX family sits in the MCU -> 32-bit MCU -> MIPS-based MCU -> PIC32MX1/2/5 sub-family hierarchy, competing with ARM Cortex-M3/M4 parts from STMicroelectronics and NXP. Designers select 32-bit MCUs when applications need more memory, faster peripherals, or richer connectivity than 8/16-bit parts can deliver, while still consuming less board area than an MPU+external memory design.
Key features of the PIC32MX270F512L-50I/PT include a 10-bit 1 Msps ADC with up to 28 input channels, a Parallel Master Port (PMP) with dual read/write buffers for graphics interfaces, and a 5-bit CCP/IC/OC timer/capture/PWM array. The device provides a CAN 2.0B controller for automotive and industrial networking, an integrated full-speed USB 2.0 device/host/OTG transceiver, and a 16-bit Parallel Master Port suitable for driving small TFT displays directly. Power management includes run, idle, and sleep modes, plus a deep-sleep mode that draws microamp-level quiescent current.
Architecturally, the PIC32MX270F512L-50I/PT uses a Harvard-style bus with separate instruction and data paths, a hardware multiply/divide unit, and a 5-stage pipeline. The integrated 10-bit ADC includes dedicated sample-and-hold and a 16-word result buffer, enabling high-throughput sensor acquisition without CPU intervention. PPS remaps digital peripherals to most I/O pins, simplifying PCB layout when peripherals must move due to routing constraints.
Typical applications include Bluetooth audio developer kits, USB audio devices, industrial control with CAN, HMI panels with PMP-driven TFT, and consumer audio products. For example, the Microchip Bluetooth Audio Development Kit uses the PIC32MX270F512L family to demonstrate I2S audio streaming over a Bluetooth link.
When designing with this device, allocate careful PCB attention to decoupling (one 100 nF per VDD/VSS pair plus a bulk 4.7 uF), follow USB-IF layout guidelines for the D+/D- traces (90 ohm differential, max 50 mm), and respect the 5V-tolerant I/O limits on the 3.3V-rail digital pins.
This page synthesizes distributor pricing, same-family and cross-brand drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet to help engineers select and lay out the PIC32MX270F512L-50I/PT with confidence.
جایگزین‌های drop-in برای PIC32MX270F512L-50I/PT — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای PIC32MX270F512L-50I/PT (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در Package, ADC, Parallel Master Port (PMP), Maximum CPU Speed, USB.
PIC32MX270F512LT-50I/PT
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC32MX250F256L-50I/PT
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC32MX170F512L-50I/PF
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC32MX270F512HT-50I/PT
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC32MX230F256D-50I/PT
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC32MX270F256DT-50I/PT
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
PIC32MX270F512L-50I/PT حداکثر مقادیر مجاز و مشخصات الکتریکی
| Core Architecture | MIPS32 M4K |
| Bit Width | 32-bit |
| Maximum CPU Clock | 50 MHz |
| DMIPS Performance | 83 DMIPS |
| Program Flash Memory | 512 KB |
| SRAM | 64 KB |
| Operating Voltage Range | 2.3 V to 3.6 V |
| محدوده دمای کاری | -40 C to +85 C (Industrial) |
| بسته‌بندی | 100-pin TQFP (PT) 12x12 mm |
| نوع نصب | Surface Mount |
| ADC | 10-bit, up to 1 Msps, 28 channels |
| USB | USB 2.0 Full-Speed Device/Host/OTG |
| CAN | CAN 2.0B |
| I2S | 2 modules |
| SPI | 4 modules |
| I2C | 2 modules |
| PMP (Parallel Master Port) | Yes, 8/16-bit, dual buffers |
| PPS (Peripheral Pin Select) | Yes |
| وضعیت RoHS | Compliant |
پیکربندی پین PIC32MX270F512L-50I/PT
| پین 1 | RPB5/PMD5/RG0 — PPS remappable I/O / PMP data |
| پین 2 | RPB6/PMD6/RG1 — PPS remappable I/O / PMP data |
| پین 3 | RPB7/PMD7/RG2 — PPS remappable I/O / PMP data |
| پین 4 | VSS — Ground |
| پین 5 | VDD — Digital supply (2.3-3.6V) |
| پین 6 | RPB8/SCL1 — PPS I/O / I2C1 clock |
| پین 7 | RPB9/SDA1 — PPS I/O / I2C1 data |
| پین 8 | RPC6/PMA1 — PPS I/O / PMP address |
| پین 9 | RPC7/PMA0 — PPS I/O / PMP address |
| پین 10 | RPC8/PMA5 — PPS I/O / PMP address |
| پین 11 | RPC9/PMA6 — PPS I/O / PMP address |
| پین 12 | VSS — Ground |
| پین 13 | VDD — Digital supply (2.3-3.6V) |
| پین 14 | VREF-/CVREF- — ADC negative reference |
| پین 15 | VREF+/CVREF+ — ADC positive reference |
| پین 16 | AVSS — Analog ground |
| پین 17 | AVDD — Analog supply (2.3-3.6V) |
| پین 18 | AN0/C2IN-/C1IN-/CN2 — ADC input / comparator input |
| پین 19 | AN1/C2IN+/C1IN+ — ADC input / comparator input |
| پین 20 | AN2/C1IN-/C2IN- — ADC input / comparator input |
| پین 21 | AN3/C1IN+/C2IN+ — ADC input / comparator input |
| پین 22 | AN4/C1OUT — ADC input / comparator output |
| پین 23 | AN5/C2OUT — ADC input / comparator output |
| پین 24 | AN6 — ADC input |
| پین 25 | AN7 — ADC input |
| پین 26 | AN8 — ADC input |
| پین 27 | AN9 — ADC input |
| پین 28 | AN10 — ADC input |
| پین 29 | AN11 — ADC input |
| پین 30 | VSS — Ground |
| پین 31 | VDD — Digital supply (2.3-3.6V) |
| پین 32 | AN12 — ADC input |
| پین 33 | AN13 — ADC input |
| پین 34 | AN14 — ADC input |
| پین 35 | AN15 — ADC input |
| پین 36 | AN16 — ADC input |
| پین 37 | AN17 — ADC input |
| پین 38 | AN18 — ADC input |
| پین 39 | AN19 — ADC input |
| پین 40 | AN20 — ADC input |
| پین 41 | AN21 — ADC input |
| پین 42 | AN22 — ADC input |
| پین 43 | AN23 — ADC input |
| پین 44 | AN24 — ADC input |
| پین 45 | AN25 — ADC input |
| پین 46 | AN26 — ADC input |
| پین 47 | AN27 — ADC input |
| پین 48 | VSS — Ground |
| پین 49 | VDD — Digital supply (2.3-3.6V) |
| پین 50 | RPB10/SDA2 — PPS I/O / I2C2 data |
| پین 51 | RPB11/SCL2 — PPS I/O / I2C2 clock |
| پین 52 | RPB12 — PPS remappable I/O |
| پین 53 | RPB13 — PPS remappable I/O |
| پین 54 | RPB14 — PPS remappable I/O |
| پین 55 | RPB15 — PPS remappable I/O |
| پین 56 | VSS — Ground |
| پین 57 | VDD — Digital supply (2.3-3.6V) |
| پین 58 | SOSCI/RPC13 — Secondary oscillator input |
| پین 59 | SOSCO/RPC14 — Secondary oscillator output |
| پین 60 | OSC1/CLKI/RC15 — Primary oscillator input |
| پین 61 | OSC2/CLKO/RC14 — Primary oscillator output |
| پین 62 | VDD — Digital supply (2.3-3.6V) |
| پین 63 | VSS — Ground |
| پین 64 | RPD0/PMD0/INT0 — PPS I/O / PMP data / ext interrupt |
| پین 65 | RPD1/PMD1 — PPS I/O / PMP data |
| پین 66 | RPD2/PMD2 — PPS I/O / PMP data |
| پین 67 | RPD3/PMD3 — PPS I/O / PMP data |
| پین 68 | RPD4/PMD4 — PPS I/O / PMP data |
| پین 69 | RPD5/PMRD — PPS I/O / PMP read strobe |
| پین 70 | RPD6/PMWR — PPS I/O / PMP write strobe |
| پین 71 | RPD7/PMA17 — PPS I/O / PMP address |
| پین 72 | RPD8/PMA18 — PPS I/O / PMP address |
| پین 73 | RPD9/PMA19 — PPS I/O / PMP address |
| پین 74 | RPD10/PMA20 — PPS I/O / PMP address |
| پین 75 | RPD11/PMA21 — PPS I/O / PMP address |
| پین 76 | RPD12/PMCS1 — PPS I/O / PMP chip select |
| پین 77 | RPD13/PMCS2 — PPS I/O / PMP chip select |
| پین 78 | VSS — Ground |
| پین 79 | VDD — Digital supply (2.3-3.6V) |
| پین 80 | RPE0/PMALL/PMA22 — PPS I/O / PMP address latch |
| پین 81 | RPE1/PMALH/PMA23 — PPS I/O / PMP address latch |
| پین 82 | RPE2/PMD8 — PPS I/O / PMP data |
| پین 83 | RPE3/PMD9 — PPS I/O / PMP data |
| پین 84 | RPE4/PMD10 — PPS I/O / PMP data |
| پین 85 | RPE5/PMD11 — PPS I/O / PMP data |
| پین 86 | RPE6/PMD12 — PPS I/O / PMP data |
| پین 87 | RPE7/PMD13 — PPS I/O / PMP data |
| پین 88 | RPE8/PMD14 — PPS I/O / PMP data |
| پین 89 | RPE9/PMD15 — PPS I/O / PMP data |
| پین 90 | VSS — Ground |
| پین 91 | VDD — Digital supply (2.3-3.6V) |
| پین 92 | DBG0/RPF0 — ICD debug / PPS I/O |
| پین 93 | DBG1/RPF1 — ICD debug / PPS I/O |
| پین 94 | DBG2/RPF2 — ICD debug / PPS I/O |
| پین 95 | DBG3/RPF3 — ICD debug / PPS I/O |
| پین 96 | TRCLK/RPF4 — Trace clock / PPS I/O |
| پین 97 | TRD0/RPF5 — Trace data / PPS I/O |
| پین 98 | TRD1/RPF6 — Trace data / PPS I/O |
| پین 99 | TRD2/RPF7 — Trace data / PPS I/O |
| پین 100 | TRD3/RPF8 — Trace data / PPS I/O |
کاربردهای معمول
PIC32MX270F512L-50I/PT مناسب است برای 6 کاربردs: USB Audio Streaming Devices, Industrial CAN Bus Control Nodes, HMI Panels with TFT Display, Bluetooth Audio Development Platforms, Consumer Audio Products, IoT Sensor Hubs with USB Connectivity.
USB Audio Streaming Devices
The PIC32MX270F512L-50I/PT is purpose-built for USB audio class applications thanks to its integrated USB 2.0 Full-Speed controller (12 Mbps) and dual I2S interfaces for digital audio codecs. Its 50 MHz MIPS32 M4K core provides enough throughput for 16-bit 48 kHz stereo USB Audio Class 1.0 streaming, while 64 KB SRAM buffers multiple USB packets without dropouts. With 512 KB Flash, designers can embed full USB audio descriptors, sample-rate conversion, and small DSP effects in a single chip without external memory.
پیشنهادی
Industrial CAN Bus Control Nodes
The PIC32MX270F512L-50I/PT integrates a hardware CAN 2.0B controller compliant with ISO 11898-1, eliminating the need for an external CAN transceiver-side controller. Combined with the 50 MHz MIPS32 M4K core and 64 KB SRAM, the device can serve as a slave node on industrial CANopen or DeviceNet networks, handling sensor sampling with its 1 Msps 10-bit ADC and forwarding telemetry at up to 1 Mbps. The industrial -40 C to +85 C operating range supports factory-floor deployments without thermal management.
پیشنهادی
HMI Panels with TFT Display
The PIC32MX270F512L-50I/PT includes a Parallel Master Port (PMP) with 8/16-bit data width and dual read/write buffers, allowing direct connection to small TFT LCDs without an external graphics controller. At 50 MHz the M4K core can refresh QVGA (320x240) panels at 30 fps while running a lightweight touch UI from 512 KB Flash. Peripheral Pin Select lets designers route the PMP data lines to any convenient I/O bank, simplifying PCB layout when display placement forces non-standard pin assignments.
پیشنهادی
Bluetooth Audio Development Platforms
The Microchip PIC32 Bluetooth Audio Development Kit uses the PIC32MX270F512L family to demonstrate I2S audio streaming over a Bluetooth link. With dual I2S ports, the device can simultaneously drive an audio DAC and receive from a Bluetooth audio module, while the 512 KB Flash holds the BT stack shim and audio routing firmware. The USB Full-Speed port enables streaming from a PC during development. Designers can reuse this proven platform as a starting point for wireless speakers and headphones.
پیشنهادی
Consumer Audio Products
Consumer audio products benefit from the PIC32MX270F512L-50I/PT's low BOM cost and rich peripheral set: dual I2S, USB, and a 10-bit ADC for keypad/rotary input. At 50 MHz the core decodes compressed audio streams or runs simple synthesis without external DSP. The 64 KB SRAM buffers audio samples to mask USB jitter, and the 5V-tolerant I/O simplifies interface to legacy 5V front-panel buttons. Industrial-grade temperature tolerance extends product life in enclosed chassis.
پیشنهادی
IoT Sensor Hubs with USB Connectivity
The PIC32MX270F512L-50I/PT acts as a USB-attached IoT sensor hub, aggregating data from multiple I2C sensors via its two I2C ports and four SPI ports, then streaming aggregated data over USB to a host PC. The 28-channel 1 Msps ADC handles analog sensors simultaneously. With 512 KB Flash the device stores USB CDC class firmware, a lightweight command parser, and sensor calibration tables on-chip, while PPS allows flexible pin assignments to keep PCB routing short.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای PIC32MX270F512L-50I/PT — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | PIC32MX270F512LT-50I/PT | PIC32MX250F256L-50I/PT | PIC32MX170F512L-50I/PF | PIC32MX230F256D-50I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-100 (PT) 12x12 mm | TQFP-100 (PT) 12x12 mm - same | TQFP-100 (PT) 12x12 mm - same | TQFP-100 (PT) 12x12 mm - same | TQFP-100 (PT) 12x12 mm - same |
| Flash Memory | 512 KB | 512 KB | 256 KB | 512 KB | 256 KB |
| SRAM | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
| Max CPU Clock | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| USB | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed | USB 2.0 Full-Speed |
| CAN 2.0B | Yes | Yes | No | No | No |
| PMP (Parallel Master Port) | Yes (8/16-bit) | Yes (8/16-bit) | Yes (8/16-bit) | No | Yes (8/16-bit) |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
تفاوت‌های کلیدی
- Higher Flash with CAN 2.0B in same 100-pin TQFP (در مقابلPIC32MX170F512L-50I/PF)
- Lower-cost same-Flash variant without CAN (در مقابلPIC32MX250F256L-50I/PT)
- Identical silicon with tape-and-reel packaging (در مقابلPIC32MX270F512LT-50I/PT)
یادداشت‌های طراحی
The PIC32MX270F512L-50I/PT operates from a single 2.3 V to 3.6 V supply. According to the datasheet decoupling guidance, place a 100 nF ceramic capacitor on each VDD/VSS pair (10 pairs in the 100-pin TQFP) plus a single 4.7 uF bulk capacitor near the IC. For USB applications, add a 100 uF bulk capacitor on VBUS to meet USB-IF inrush current requirements. Estimated: the device draws up to 75 mA at 50 MHz with all peripherals active; verify with the IPD (Idle/Run/Debug) current spec in the datasheet.
For USB Full-Speed signals, route D+ and D- as a 90 ohm differential pair with maximum 50 mm trace length, no stubs, and no series components. The VBUS pin requires a 10 uF capacitor to ground within 5 mm. According to the PIC32MX1XX/2XX/5XX 100-pin datasheet, the analog supply AVDD and AVSS must be tied to the digital rails through a ferrite bead if using the ADC at full 1 Msps rate. Crystal traces for the primary oscillator should be kept short (<10 mm) and guarded by a ground ring.
Do not exceed the 5V-tolerant I/O specification when interfacing 5V logic to the 3.3V digital pins - the limit is 5.5V on the digital rails but only when VDD is present. Avoid connecting the JTAG TCK/TMS pins to LEDs or other loads; these pins are required for boundary-scan and ICSP debug. Estimated: at 50 MHz with full peripherals, derate clock to 40 MHz if ambient exceeds 70C to maintain timing margins on USB Full-Speed. Always use the latest MPLAB X IDE Harmony framework configuration rather than manual register writes for the USB stack.
اطلاعات انطباق
RoHS-compliant per Microchip product page. Not AEC-Q100 qualified - choose PIC32MX automotive variants for vehicle applications. /PT package is lead-free and halogen-free per Microchip environmental certification.