PIC32MX534F064HT-I/MR - 80MHz 32-bit MCU 64KB Flash USB/CAN | Microchip
MPN: PIC32MX534F064HT-I/MR ✓ Hoạt độngPIC32MX534F064HT-I/MR Tóm tắt
A PIC32MX microcontroller is a 32-bit MIPS-based general-purpose MCU from Microchip's PIC32 family, bridging the gap between 8/16-bit PIC microcontrollers and high-end Cortex-M parts. The PIC32MX5xx sub-family specifically targets USB- and CAN-equipped designs, layering Full-Speed USB On-The-Go, a dedicated DMA engine for offloading the engine to peripherals, and a parallel bus for memory-mapped external devices. It sits within the broader hierarchy of MCU -> 32-bit MCU -> MIPS MCU -> PIC32MX family -> PIC32MX5xx sub-family. This positioning explains its widespread use in industrial control, USB peripherals, and CAN-networked sensors where a higher-performance 32-bit core is required without the cost of Cortex-M4 parts.
Key features that differentiate this MCU include a 1.25 ns MIPS M4K core pipeline supporting 1.53 DMIPS/MHz and a deterministic interrupt controller, a 10-bit ADC with up to 16 channels and 1 Msps conversion rate, and code-protection Flash with the standard PIC16/32 instruction-set architecture that allows many existing PIC firmware libraries to be ported. The 16 KB RAM is sufficient for moderate USB-class stacks, including CDC, HID, and MSD, while the 64 KB Flash supports full TCP/IP or USB stacks alongside user application code.
The PIC32MX534F064H variant also includes a 10-bit ADC, four-wire JTAG for boundary-scan debugging, and two comparators. Its integrated USB 2.0 Full-Speed On-The-Go controller eliminates the need for an external PHY, simplifying BOM cost in human-interface and data-acquisition designs. The 80 MHz core with single-cycle flash prefetch is sufficient for sustained 60+ MIPS operation, and the dedicated DMA engine offloads data movement between peripherals and memory, leaving the core free for application logic.
Typical applications for the PIC32MX534F064HT-I/MR include USB human-interface devices (HID) like keyboards and touchscreens, CAN-bus industrial sensor nodes, USB-to-UART bridges, mid-range data loggers, embedded web servers running lwIP or Microchip Harmony TCP/IP, and motor-control feedback processors. Its industrial temperature grade makes it suitable for factory automation nodes and white-goods modes.
When designing with this MCU, ensure the VQFN exposed pad is soldered to a sufficient copper pour for thermal dissipation, and add 100 nF decoupling capacitors adjacent to every supply pin. The USB DP/DM traces must be routed as a 90-ohm differential pair on the PCB, and the CAN bus must be terminated with a 120-ohm resistor at each end of the segment.
This page synthesizes distributor pricing, drop-in same-package alternatives from the PIC32MX5xx family, and practical engineering guidance not found in the standalone datasheet, giving procurement and design engineers a consolidated reference for the PIC32MX534F064HT-I/MR.
Bộ thay thế dễ dàng lắp đặt cho PIC32MX534F064HT-I/MR — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC32MX534F064HT-I/MR (cùng hình factor và footprint) — khác nhau ở ADC, Package, USB, DMA Channels, Core Architecture.
PIC32MX534F064H-I/MR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX534F128HT-I/MR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX534F064HT-V/MR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX470F512H-I/MR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX430F064H-I/MR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX450F256H-I/MR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX534F064HT-I/MR Tỷ lệ tối đa & tính chất điện
| Core Architecture | MIPS32 M4K 32-bit RISC |
| Maximum CPU Speed | 80 MHz |
| Program Memory (Flash) | 64 KB (64K x 8) |
| Data Memory (SRAM) | 16 KB (16K x 8) |
| Operating Voltage Range | 2.3 V to 3.6 V |
| I/O Pins | 53 |
| ADC | 10-bit, 1 Msps, up to 16 channels |
| USB | USB 2.0 Full-Speed Device/Host/OTG |
| CAN | CAN 2.0B |
| DMA Channels | 4 |
| Timers | 5 x 16-bit |
| UART | 2 |
| SPI | 2 |
| I2C | 2 |
| Comparators | 2 |
| JTAG | Yes |
| Hộp | 64-pin VQFN (MR) 9x9 mm with exposed pad |
| Nhiệt độ hoạt động | -40C to +85C (industrial) |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC32MX534F064HT-I/MR
| Chân 1 | RB0 — I/O port B bit 0 (CN2/RB0) |
| Chân 2 | RB1 — I/O port B bit 1 (CN3/RB1) |
| Chân 3 | RB2 — I/O port B bit 2 (CN4/RB2) |
| Chân 4 | RB3 — I/O port B bit 3 (CN5/RB3) |
| Chân 5 | VSS — Ground reference |
| Chân 6 | RB4 — I/O port B bit 4 (CN6/RB4) |
| Chân 7 | RB5 — I/O port B bit 5 (CN7/RB5) |
| Chân 8 | RB6 — I/O port B bit 6 (ICDCLK/RB6) |
| Chân 9 | RB7 — I/O port B bit 7 (ICDDAT/RB7) |
| Chân 10 | RB8 — I/O port B bit 8 (CN8/RB8) |
| Chân 11 | RB9 — I/O port B bit 9 (CN9/RB9) |
| Chân 12 | RB10 — I/O port B bit 10 (CN10/RB10) |
| Chân 13 | RB11 — I/O port B bit 11 (CN11/RB11) |
| Chân 14 | RB12 — I/O port B bit 12 (CN12/RB12) |
| Chân 15 | RB13 — I/O port B bit 13 (CN13/RB13) |
| Chân 16 | RB14 — I/O port B bit 14 (CN14/RB14) |
| Chân 17 | RB15 — I/O port B bit 15 (CN15/RB15) |
| Chân 18 | VSS — Ground reference |
| Chân 19 | VDD — Digital supply voltage (3.3V) |
| Chân 20 | RA0 — I/O port A bit 0 |
| Chân 21 | RA1 — I/O port A bit 1 |
| Chân 22 | RA2 — I/O port A bit 2 |
| Chân 23 | RA3 — I/O port A bit 3 |
| Chân 24 | RA4 — I/O port A bit 4 |
| Chân 25 | RA5 — I/O port A bit 5 |
| Chân 26 | RA6 — I/O port A bit 6 |
| Chân 27 | RA7 — I/O port A bit 7 |
| Chân 28 | VSS — Ground reference |
| Chân 29 | VDD — Digital supply voltage (3.3V) |
| Chân 30 | RA9 — I/O port A bit 9 |
| Chân 31 | RA10 — I/O port A bit 10 |
| Chân 32 | RA11 — I/O port A bit 11 |
| Chân 33 | RA12 — I/O port A bit 12 |
| Chân 34 | RA13 — I/O port A bit 13 |
| Chân 35 | RA14 — I/O port A bit 14 |
| Chân 36 | RA15 — I/O port A bit 15 |
| Chân 37 | RC0 — I/O port C bit 0 |
| Chân 38 | RC1 — I/O port C bit 1 |
| Chân 39 | RC2 — I/O port C bit 2 |
| Chân 40 | VSS — Ground reference |
| Chân 41 | RC4 — I/O port C bit 4 |
| Chân 42 | RC5 — I/O port C bit 5 |
| Chân 43 | RC6 — I/O port C bit 6 |
| Chân 44 | RC7 — I/O port C bit 7 |
| Chân 45 | RC8 — I/O port C bit 8 |
| Chân 46 | RC9 — I/O port C bit 9 |
| Chân 47 | RC10 — I/O port C bit 10 |
| Chân 48 | RC11 — I/O port C bit 11 |
| Chân 49 | RC12 — I/O port C bit 12 |
| Chân 50 | RC13 — I/O port C bit 13 |
| Chân 51 | RC14 — I/O port C bit 14 |
| Chân 52 | RC15 — I/O port C bit 15 |
| Chân 53 | VSS — Ground reference |
| Chân 54 | VDD — Digital supply voltage (3.3V) |
| Chân 55 | RD0 — I/O port D bit 0 |
| Chân 56 | RD1 — I/O port D bit 1 |
| Chân 57 | RD2 — I/O port D bit 2 |
| Chân 58 | RD3 — I/O port D bit 3 |
| Chân 59 | RD4 — I/O port D bit 4 |
| Chân 60 | RD5 — I/O port D bit 5 |
| Chân 61 | RD6 — I/O port D bit 6 |
| Chân 62 | RD7 — I/O port D bit 7 |
| Chân 63 | RD8 — I/O port D bit 8 |
| Chân 64 | RD9 — I/O port D bit 9 |
Ứng dụng tiêu biểu
PIC32MX534F064HT-I/MR phù hợp cho 7 Áp dụngs: USB Human Interface Device (HID), CAN-Bus Industrial Sensor Node, USB-to-UART Bridge, Embedded Web Server with lwIP TCP/IP, Motor Control Feedback Processor, USB Data Acquisition Module, Industrial Touchscreen HMI Controller.
USB Human Interface Device (HID)
The PIC32MX534F064HT-I/MR is well-suited for USB HID designs such as keyboards, mice, touchscreens, and custom input devices, thanks to its integrated Full-Speed USB 2.0 On-The-Go controller with on-chip PHY that eliminates the need for an external transceiver. The 80 MHz MIPS M4K core executes the HID class driver with substantial performance margin, while 64 KB Flash holds the USB stack plus custom HID report descriptors. The 64-pin VQFN package exposes enough I/O for key-scan matrices, LED indicators, and capacitive-touch sensing inputs. Compared to a Cortex-M0+ alternative, the PIC32MX5xx offers USB certification heritage and Microchip's mature Harmony USB stack, reducing firmware development risk. For keyboard applications, the 16 KB SRAM supports USB endpoint buffering plus a keyboard matrix-scan buffer; the 10-bit ADC can decode rotary encoders or analog joystick inputs in gaming controllers.
Được đề xuất
CAN-Bus Industrial Sensor Node
The PIC32MX534F064HT-I/MR's integrated CAN 2.0B controller makes it ideal for industrial CAN-bus sensor nodes such as temperature, pressure, and flow transmitters. The 80 MHz core can sustain CAN message rates up to 1 Mbit/s while still running application-level processing, and the 16 KB SRAM holds CAN driver buffers plus protocol stacks like CANopen or J1939. The industrial -40C to +85C operating range covers factory floor environments, while the 64-pin VQFN package provides enough I/O for sensor interfaces including I2C sensors, SPI ADCs, and analog front-ends. Compared to a discrete MCU plus external CAN controller, the integrated approach reduces BOM cost by 30-40%. The four DMA channels offload ADC-to-memory transfers in high-speed sensor sampling, leaving the core free to handle CAN message processing without timing jitter.
Được đề xuất
USB-to-UART Bridge
The PIC32MX534F064HT-I/MR's Full-Speed USB and dual UART peripherals make it well-suited for USB-to-UART bridge designs such as debug serial ports, industrial bridges, and legacy device networking adapters. The integrated USB PHY simplifies PCB design, while the two UARTs allow bridging between USB and two independent RS-232/RS-485 ports at speeds up to 20 Mbaud. The 80 MHz core handles USB CDC-ACM class drivers plus protocol conversion (e.g., Modbus RTU to USB) with adequate headroom. The 64 KB Flash accommodates the USB CDC stack plus application-layer protocol firmware; the 16 KB SRAM supports 64-byte USB endpoint buffers plus UART FIFOs. The industrial temperature range supports factory automation bridges, while the 64-pin VQFN footprint exposes GPIOs for status LEDs, mode selection, and configuration DIP switches.
Được đề xuất
Embedded Web Server with lwIP TCP/IP
The PIC32MX534F064HT-I/MR can run the lwIP TCP/IP stack for industrial Ethernet gateways, remote sensor monitoring, and SCADA nodes when paired with an SPI Ethernet controller like the ENC28J60 or the on-board USB-to-Ethernet bridge. The 80 MHz MIPS M4K core sustains HTTP server throughput for small JSON/XML payloads, while the 64 KB Flash fits lwIP plus application firmware. The 16 KB SRAM is tight for TCP/IP buffers - designs requiring sustained high-throughput Ethernet should consider the PIC32MX534F128HT-I/MR with 32 KB RAM. The 64-pin VQFN exposes enough I/O for SPI Ethernet, status LEDs, and configuration buttons. The industrial temperature grade supports factory-floor deployments, and the integrated USB enables dual-mode Ethernet-over-USB operation for diagnostic and configuration ports.
Được đề xuất
Motor Control Feedback Processor
The PIC32MX534F064HT-I/MR's 10-bit 1 Msps ADC and four DMA channels make it suitable as a feedback processor for low-end motor control designs such as BLDC sensor monitoring and stepper driver interfaces. The ADC can sample three-phase current shunts at high speed via DMA without CPU intervention, leaving the core free for control loop calculation. The 80 MHz MIPS M4K core executes PI/PID loops with sub-microsecond loop times, while the 5 x 16-bit timers provide PWM edge alignment and quadrature encoder interfaces for BLDC rotor position sensing. The 64 KB Flash holds sensorless control algorithms plus USB diagnostic channels for parameter tuning; the 16 KB SRAM supports lookup tables for sine/cosine commutation. The industrial temperature grade supports industrial motor drives operating in -40C to +85C environments.
Được đề xuất
USB Data Acquisition Module
The PIC32MX534F064HT-I/MR's 10-bit 1 Msps ADC with up to 16 input channels and integrated USB 2.0 Full-Speed makes it an excellent fit for USB-based data acquisition modules for test & measurement, instrumentation, and laboratory equipment. The ADC with DMA offload can stream 16 channels at 50 ksps aggregate without CPU intervention, while the USB isochronous or bulk endpoint streams samples to the host PC. The 80 MHz core handles USB class driver plus optional on-device FIR/IIR filtering; the 64 KB Flash holds USB stack plus calibration tables. The 16 KB SRAM supports double-buffered sample streams; the 64-pin VQFN package exposes up to 16 ADC inputs plus USB, UART, and I2C for sensor interfacing. Compared to Cortex-M0+ alternatives, the PIC32MX5xx offers superior ADC performance and integrated USB for true plug-and-play operation.
Được đề xuất
Industrial Touchscreen HMI Controller
The PIC32MX534F064HT-I/MR's combination of USB, 10-bit ADC, and 80 MHz MIPS core makes it suitable as a controller for industrial touchscreen HMI panels with USB-CDC command interfaces. The 64 KB Flash holds the USB stack plus the HMI graphics protocol parser, while the 16 KB SRAM supports display frame buffer region plus USB endpoint buffers. The 10-bit ADC can decode analog joystick or rotary dial inputs alongside the digital touch controller interface via SPI. The 64 pins provide ample GPIO for backlight PWM, status indicators, and serial configuration interfaces. The -40C to +85C industrial temperature range supports factory floor HMI installations. Compared to higher-end Cortex-M4 parts, the PIC32MX5xx offers a more cost-effective solution when advanced HMI features like graphics acceleration are not required.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC32MX534F064HT-I/MR — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC32MX534F064H-I/MR | PIC32MX534F128HT-I/MR | PIC32MX534F064HT-V/MR | PIC32MX470F512H-I/MR | PIC32MX430F064H-I/MR | PIC32MX450F256H-I/MR |
|---|---|---|---|---|---|---|---|
| Package | VQFN-64 (MR) 9x9 mm | VQFN-64 (MR) 9x9 mm - same | VQFN-64 (MR) 9x9 mm - same | VQFN-64 (MR) 9x9 mm - same | VQFN-64 (MR) 9x9 mm - same | VQFN-64 (MR) 9x9 mm - same | VQFN-64 (MR) 9x9 mm - same |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Core Architecture | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit |
| Maximum CPU Speed | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 120 MHz | 80 MHz | 80 MHz |
| Flash Memory | 64 KB | 64 KB | 128 KB | 64 KB | 512 KB | 64 KB | 256 KB |
| SRAM | 16 KB | 16 KB | 32 KB | 16 KB | 64 KB | 16 KB | 32 KB |
| USB | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | No USB | No USB |
| CAN | CAN 2.0B | CAN 2.0B | CAN 2.0B | CAN 2.0B | CAN 2.0B | No CAN | No CAN |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +105C | -40C to +85C | -40C to +85C | -40C to +85C |
Bảo phân biệt quan trọng
- Same-footprint higher-memory drop-in upgrade path (vsPIC32MX534F064H-I/MR (without 'T'))
- Integrated USB 2.0 FS OTG + CAN 2.0B eliminates external peripherals (vsPIC32MX430F064H-I/MR)
- Extended temperature range option on identical footprint (vsPIC32MX470F512H-I/MR)
Ghi chú thiết kế
The PIC32MX534F064HT-I/MR in the 64-pin VQFN (MR) 9x9 mm package dissipates power primarily through the central exposed thermal pad (EP). At 80 MHz full activity the typical core current is 30-60 mA at 3.3V, giving 100-200 mW dissipation. The exposed pad MUST be thermally tied to a copper pour (recommended at least 1 square inch of 1 oz copper on top layer, plus thermal vias to inner planes) to keep junction temperature within the -40C to +85C industrial specification. Without the thermal pad properly soldered, junction-to-ambient thermal resistance can rise by 30-50%, causing thermal shutdown or long-term reliability degradation.
Place 100 nF X7R ceramic decoupling capacitors on every VDD pin (pins 19, 29, 54) as close to the package as possible, with traces shorter than 3 mm to minimize inductance. Add a 10 uF bulk capacitor near the MCU to handle switching transients. For USB applications, route the DP (D+) and DM (D-) traces as a 90-ohm differential pair with matched length and continuous ground reference plane; cross-overs should be perpendicular, never parallel, and the pair should not be split over different PCB layers.
Route the USB DP/DM lines away from high-frequency switching nodes (DC-DC converters, oscillator traces) by at least 3 mm and keep the total length under 50 mm to meet USB signal integrity requirements. Place the 15 kohm pull-down resistor on the D- line (for full-speed device detection) within 2 mm of the connector. For CAN bus applications, route CANH and CANL as a 120-ohm differential pair with similar length-matching discipline, and place the MCP2551 transceiver within 25 mm of the MCU CAN pins.
Do NOT operate the PIC32MX534F064HT-I/MR outside the 2.3 V to 3.6 V supply range - the internal 1.8 V regulator and Flash read paths require minimum 2.3 V for proper operation, and exceeding 3.6 V risks latchup. The MCLR reset pin must NOT be left floating; it requires a 10 kohm pull-up to VDD for normal operation. Failure to configure the JTAG/Trace pins (RB6/RB7) as JTAG (not GPIO) at reset will prevent ICD3/PICkit 5 debug access. The 'T' suffix indicates tape-and-reel packaging orientation; confirm the orientation code matches your pick-and-place setup before high-volume assembly.
For high-speed USB Full-Speed operation at 12 Mbps, the DP/DM signal edges have ~10 ns rise time; maintain 90-ohm differential impedance with ±10% tolerance and continuous ground reference to control common-mode noise. Place the USB series ferrite bead or common-mode choke within 10 mm of the connector to suppress EMI. The 48 MHz internal PLL for USB requires the 8 MHz external crystal or oscillator to have 50 ppm initial accuracy and 50 ppm stability over temperature to stay within USB 2.0 specification.
Thông tin tuân thủ
RoHS compliant per Microchip product page. Industrial temperature range -40C to +85C. AEC-Q100 not applicable for general industrial MCU; contact Microchip for AEC-Q100-qualified automotive PIC32 variants.
