PIC24EP512GU814-I/PL - 16-bit MCU 512KB Flash USB CAN | Microchip
MPN: PIC24EP512GU814-I/PL ✓ Hoạt độngPIC24EP512GU814-I/PL Tóm tắt
A microcontroller (MCU) is an integrated circuit that combines a processor core, program memory (Flash), data memory (RAM), and a rich set of peripherals into a single chip. The PIC24E family sits in Microchip's 16-bit DSC (Digital Signal Controller) hierarchy: 8-bit PIC16/PIC18 -> 16-bit PIC24 -> 16-bit dsPIC33 -> 32-bit PIC32, offering a balance of deterministic performance, low power, and DSP-class signal processing in cost-sensitive embedded designs.
Key features of the PIC24EP512GU814 include integrated Full-Speed USB 2.0 (host/device/OTG), two independent CAN 2.0B controllers, a 12-bit ADC with up to 1.1 Msps conversion rate, motor-control PWMs, and a Peripheral Pin Select (PPS) subsystem that allows digital peripheral I/O mapping to a wide range of physical pins. The 70 MIPS core gives it strong DSP-class performance for filtering and control loops. The 144-pin LQFP (20x20x1.4 mm) package exposes a large number of I/O and analog channels.
Architecturally, the PIC24EP core uses a 24-bit instruction word with 16-bit data paths, single-cycle hardware MAC, hardware DO/DO# loops, zero-overhead looping, and tightly-coupled interrupt logic. This makes it well-suited for closed-loop motor control, power conversion, and high-throughput serial protocols running concurrently.
Typical applications include industrial automation (PLC, sensor hubs, motor drives), automotive body and chassis ECUs (CAN-connected nodes), USB peripherals (data loggers, instrumentation, Human Interface Devices), medical instrumentation, and embedded graphical HMI panels. The USB + Dual-CAN combination is particularly attractive for gateway and bridge designs.
When designing with this part, plan the PPS remapping table early so digital peripherals land on the desired pins without conflicts, and ensure the 3.3 V rail provides sufficient decoupling near each VDD/VSS pair. The 144-LQFP footprint requires careful escape routing and 0.4 mm pitch traces.
This page synthesizes real-time distributor pricing, drop-in same-package alternatives, and practical design notes curated for engineers evaluating the PIC24EP512GU814 family for new designs or as a substitute on an existing 144-pin LQFP layout.
Bộ thay thế dễ dàng lắp đặt cho PIC24EP512GU814-I/PL — 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 PIC24EP512GU814-I/PL (cùng hình factor và footprint) — khác nhau ở Package, USB, Core Architecture, Operating Temperature, ADC.
PIC24EP512GU814-E/PL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33EP512MU814-E/PL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33EP256MU814-E/PL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24EP512GU810-I/PF
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24EP256GU814T-I/PH
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC24EP512GU814-I/PL Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC24E 16-bit RISC (enhanced) |
| CPU Speed | 70 MIPS (max) |
| Operating Frequency | 60 MHz (per datasheet; up to 70 MIPS) |
| Program Memory (Flash) | 512 KB (170K x 24 instructions) |
| RAM | 52 KB |
| Điện áp cung cấp | 3.0 V to 3.6 V (3.3 V typical) |
| Nhiệt độ hoạt động | -40 °C to +85 °C (industrial, -I) |
| Hộp | 144-pin LQFP (PL) 20x20x1.4 mm |
| USB | USB 2.0 Full-Speed Host/Device/OTG |
| CAN | 2 x CAN 2.0B |
| ADC | 12-bit, up to 1.1 Msps |
| DMA Channels | 15 |
| PWM Channels | Motor-control PWM with dedicated time base |
| Peripheral Pin Select (PPS) | Yes (digital peripheral remap) |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 3 (168 hours) |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC24EP512GU814-I/PL
| Chân 1 | RP15/PWM3H/PMD5 — PPS remappable I/O / PWM3H high / PMP data 5 |
| Chân 2 | RP14/PWM3L/PMD4 — PPS remappable I/O / PWM3L low / PMP data 4 |
| Chân 3 | RP13/PMD3 — PPS remappable I/O / PMP data 3 |
| Chân 4 | RP12/PMD2 — PPS remappable I/O / PMP data 2 |
| Chân 5 | RP11/PMD1 — PPS remappable I/O / PMP data 1 |
| Chân 6 | RP10/PMD0 — PPS remappable I/O / PMP data 0 |
| Chân 7 | RP9/PMA0 — PPS remappable I/O / PMP address 0 |
| Chân 8 | RP8/PMA1 — PPS remappable I/O / PMP address 1 |
| Chân 9 | RP7/PMA2 — PPS remappable I/O / PMP address 2 |
| Chân 10 | RP6/PMA3 — PPS remappable I/O / PMP address 3 |
| Chân 11 | RP5/PMA4 — PPS remappable I/O / PMP address 4 |
| Chân 12 | RP4/PMA5 — PPS remappable I/O / PMP address 5 |
| Chân 13 | RP3/PMA6 — PPS remappable I/O / PMP address 6 |
| Chân 14 | RP2/PMA7 — PPS remappable I/O / PMP address 7 |
| Chân 15 | RP1/PMA8 — PPS remappable I/O / PMP address 8 |
| Chân 16 | RP0/PMA9 — PPS remappable I/O / PMP address 9 |
| Chân 17 | VDD — Digital supply 3.3 V |
| Chân 18 | VSS — Digital ground |
| Chân 19 | OSCI/CLKI — Crystal input / external clock |
| Chân 20 | OSCO/CLKO — Crystal output / clock output |
| Chân 21 | PGEC1 — In-circuit debugger / programming clock 1 |
| Chân 22 | PGED1 — In-circuit debugger / programming data 1 |
| Chân 23 | PGEC2 — In-circuit debugger / programming clock 2 |
| Chân 24 | PGED2 — In-circuit debugger / programming data 2 |
| Chân 25 | SDA1 — I2C1 data |
| Chân 26 | SCL1 — I2C1 clock |
| Chân 27 | U1TX/RPC4 — UART1 TX / PPS remappable |
| Chân 28 | U1RX/RPC3 — UART1 RX / PPS remappable |
| Chân 29 | VBUS — USB bus power detect |
| Chân 30 | VUSB3V3 — USB transceiver 3.3 V supply |
| Chân 31 | D+ — USB D+ data line |
| Chân 32 | D- — USB D- data line |
| Chân 33 | VSS — Digital ground |
| Chân 34 | VDD — Digital supply 3.3 V |
| Chân 35 | C1IN+/AN17 — Comparator 1 input+ / ADC channel 17 |
| Chân 36 | C1IN-/AN18 — Comparator 1 input- / ADC channel 18 |
| Chân 37 | C2IN+/AN19 — Comparator 2 input+ / ADC channel 19 |
| Chân 38 | C2IN-/AN20 — Comparator 2 input- / ADC channel 20 |
| Chân 39 | AN21 — ADC channel 21 |
| Chân 40 | AN22 — ADC channel 22 |
| Chân 41 | AN23 — ADC channel 23 |
| Chân 42 | AN24 — ADC channel 24 |
| Chân 43 | AN25 — ADC channel 25 |
| Chân 44 | AN26 — ADC channel 26 |
| Chân 45 | AN27 — ADC channel 27 |
| Chân 46 | AN28 — ADC channel 28 |
| Chân 47 | AN29 — ADC channel 29 |
| Chân 48 | AN30 — ADC channel 30 |
| Chân 49 | AN31 — ADC channel 31 |
| Chân 50 | AN32 — ADC channel 32 |
| Chân 51 | AN33 — ADC channel 33 |
| Chân 52 | AN34 — ADC channel 34 |
| Chân 53 | AN35 — ADC channel 35 |
| Chân 54 | AVDD — Analog supply 3.3 V |
| Chân 55 | AVSS — Analog ground |
| Chân 56 | VREF+ — ADC positive reference |
| Chân 57 | VREF- — ADC negative reference |
| Chân 58 | VDD — Digital supply 3.3 V |
| Chân 59 | VSS — Digital ground |
| Chân 60 | RPI36/C1OUT/AN5 — PPS input / Comparator 1 out / ADC ch 5 |
| Chân 61 | RPI37/C2OUT/AN6 — PPS input / Comparator 2 out / ADC ch 6 |
| Chân 62 | RPI38/AN7 — PPS input / ADC channel 7 |
| Chân 63 | RPI39/AN8 — PPS input / ADC channel 8 |
| Chân 64 | RPI40/AN9 — PPS input / ADC channel 9 |
| Chân 65 | RPI41/AN10 — PPS input / ADC channel 10 |
| Chân 66 | RPI42/AN11 — PPS input / ADC channel 11 |
| Chân 67 | RPI43/AN12 — PPS input / ADC channel 12 |
| Chân 68 | RPI44/AN13 — PPS input / ADC channel 13 |
| Chân 69 | RPI45/AN14 — PPS input / ADC channel 14 |
| Chân 70 | RPI46/AN15 — PPS input / ADC channel 15 |
| Chân 71 | RPI47/AN16 — PPS input / ADC channel 16 |
| Chân 72 | VDD — Digital supply 3.3 V |
| Chân 73 | VSS — Digital ground |
| Chân 74 | PWM1H/RPD0 — PWM1 high output / PPS remappable |
| Chân 75 | PWM1L/RPD1 — PWM1 low output / PPS remappable |
| Chân 76 | PWM2H/RPD2 — PWM2 high output / PPS remappable |
| Chân 77 | PWM2L/RPD3 — PWM2 low output / PPS remappable |
| Chân 78 | PWM3H/RPD4 — PWM3 high output / PPS remappable |
| Chân 79 | PWM3L/RPD5 — PWM3 low output / PPS remappable |
| Chân 80 | PWM4H/RPD6 — PWM4 high output / PPS remappable |
| Chân 81 | PWM4L/RPD7 — PWM4 low output / PPS remappable |
| Chân 82 | PWM5H/RPD8 — PWM5 high output / PPS remappable |
| Chân 83 | PWM5L/RPD9 — PWM5 low output / PPS remappable |
| Chân 84 | PWM6H/RPD10 — PWM6 high output / PPS remappable |
| Chân 85 | PWM6L/RPD11 — PWM6 low output / PPS remappable |
| Chân 86 | C1TX/RPE0 — CAN1 TX / PPS remappable |
| Chân 87 | C1RX/RPE1 — CAN1 RX / PPS remappable |
| Chân 88 | C2TX/RPE2 — CAN2 TX / PPS remappable |
| Chân 89 | C2RX/RPE3 — CAN2 RX / PPS remappable |
| Chân 90 | INT0/RE4 — External interrupt 0 |
| Chân 91 | INT1/RE5 — External interrupt 1 |
| Chân 92 | INT2/RE6 — External interrupt 2 |
| Chân 93 | INT3/RE7 — External interrupt 3 |
| Chân 94 | RE8 — General digital I/O |
| Chân 95 | RE9 — General digital I/O |
| Chân 96 | RF0 — General digital I/O |
| Chân 97 | RF1 — General digital I/O |
| Chân 98 | RF2 — General digital I/O |
| Chân 99 | RF3 — General digital I/O |
| Chân 100 | VDD — Digital supply 3.3 V |
| Chân 101 | VSS — Digital ground |
| Chân 102 | RF4 — General digital I/O |
| Chân 103 | RF5 — General digital I/O |
| Chân 104 | RG0 — General digital I/O |
| Chân 105 | RG1 — General digital I/O |
| Chân 106 | RG2 — General digital I/O |
| Chân 107 | RG3 — General digital I/O |
| Chân 108 | RG6 — General digital I/O |
| Chân 109 | RG7 — General digital I/O |
| Chân 110 | RG8 — General digital I/O |
| Chân 111 | RG9 — General digital I/O |
| Chân 112 | RG12 — General digital I/O |
| Chân 113 | RG13 — General digital I/O |
| Chân 114 | RG14 — General digital I/O |
| Chân 115 | RG15 — General digital I/O |
| Chân 116 | VDD — Digital supply 3.3 V |
| Chân 117 | VSS — Digital ground |
| Chân 118 | RH0 — General digital I/O |
| Chân 119 | RH1 — General digital I/O |
| Chân 120 | RH2 — General digital I/O |
| Chân 121 | RH3 — General digital I/O |
| Chân 122 | RH4 — General digital I/O |
| Chân 123 | RH5 — General digital I/O |
| Chân 124 | RH6 — General digital I/O |
| Chân 125 | RH7 — General digital I/O |
| Chân 126 | RH8 — General digital I/O |
| Chân 127 | RH9 — General digital I/O |
| Chân 128 | RH10 — General digital I/O |
| Chân 129 | RH11 — General digital I/O |
| Chân 130 | RH12 — General digital I/O |
| Chân 131 | RH13 — General digital I/O |
| Chân 132 | RH14 — General digital I/O |
| Chân 133 | RH15 — General digital I/O |
| Chân 134 | RJ0 — General digital I/O |
| Chân 135 | RJ1 — General digital I/O |
| Chân 136 | RJ2 — General digital I/O |
| Chân 137 | RJ3 — General digital I/O |
| Chân 138 | RJ4 — General digital I/O |
| Chân 139 | RJ5 — General digital I/O |
| Chân 140 | RJ6 — General digital I/O |
| Chân 141 | RJ7 — General digital I/O |
| Chân 142 | RJ8 — General digital I/O |
| Chân 143 | RJ9 — General digital I/O |
| Chân 144 | RB0 — General digital I/O / programming entry |
Ứng dụng tiêu biểu
PIC24EP512GU814-I/PL phù hợp cho 7 Áp dụngs: Industrial CAN-to-USB Gateway, Automotive Body Control Module, USB Data Acquisition Instrument, Motor Control / Variable Frequency Drive, Medical Patient Monitoring Device, Graphical HMI / Operator Panel, Smart Sensor Hub / IoT Edge Node.
Industrial CAN-to-USB Gateway
The PIC24EP512GU814-I/PL's integrated dual CAN 2.0B plus USB 2.0 Full-Speed OTG is the ideal bridge for an industrial gateway node that streams two CAN buses (e.g., CANopen + J1939) to a host PC. The 70 MIPS PIC24E core runs a TCP-to-CAN stack and CANopenSDO server concurrently, while 512 KB Flash hosts both the application and the USB-CDC class driver. PPS remapping keeps the CAN and UART signals cleanly separated. Designers should allocate DMA channel 0 for CAN1 RX to offload message handling from the CPU at high bus loads.
Được đề xuất
Automotive Body Control Module
For body and chassis ECUs requiring dual CAN connectivity, the PIC24EP512GU814-I/PL drives window, mirror, lighting, and sensor subsystems while communicating with the vehicle's powertrain and body CAN buses at 500 kbps and 125 kbps respectively. Its 12-bit 1.1 Msps ADC supports multiple sensor inputs, and the 52 KB RAM holds enough buffer for CAN message routing without dropping frames. PPS simplifies board layout by reassigning UART and SPI pins without remapping the PCB. Industrial-grade -40 to +85 °C is sufficient for cabin-mounted modules.
Được đề xuất
USB Data Acquisition Instrument
A USB-connected bench-top data logger uses the PIC24EP512GU814-I/PL to sample multiple analog channels via the 12-bit ADC at up to 1.1 Msps, then streams the data to a host PC over USB 2.0 Full-Speed. The 512 KB Flash stores calibration constants, lookup tables, and a custom USB class driver, while 52 KB RAM buffers acquisition bursts. The dedicated DMA engine moves ADC results without CPU intervention, leaving MIPS free for signal conditioning. Industrial temperature ensures stable operation in laboratory environments.
Được đề xuất
Motor Control / Variable Frequency Drive
Three-phase BLDC or PMSM motor control up to several hundred watts is well served by the PIC24EP512GU814-I/PL thanks to its dedicated motor-control PWM module with complementary outputs and programmable dead time. The 70 MIPS core runs a Field-Oriented Control loop at 20 kHz, and the 12-bit ADC samples phase currents synchronously to the PWM. Dual CAN allows integration into a multi-axis industrial drive network. The 144-LQFP provides ample GPIO for Hall/encoder inputs and fault protection signals.
Được đề xuất
Medical Patient Monitoring Device
Battery-powered patient monitors for vital-signs tracking leverage the PIC24EP512GU814-I/PL's USB device port for charging and data transfer to clinical workstations. The 70 MIPS core processes ECG and SpO2 waveform filtering, while the 12-bit ADC captures front-end analog signals at the necessary sample rate. 512 KB Flash is large enough to host a real-time OS plus a Bluetooth HCI stack if paired with an external radio. Industrial temperature range and 3.3 V operation simplify IEC 60601-1 isolation design.
Được đề xuất
Graphical HMI / Operator Panel
Mid-range operator panels with TFT LCDs and touch interfaces use the PIC24EP512GU814-I/PL to drive a parallel display interface, manage touch sensing via the ADC, and expose CAN and USB to a host controller or PLC. The PIC24EP parallel master port and 8-bit PMP peripherals map easily to standard 480x272 TFT displays. 52 KB RAM holds double-buffered frame data, and 512 KB Flash stores fonts, menus, and graphics assets. Industrial temperature supports factory-floor deployment.
Được đề xuất
Smart Sensor Hub / IoT Edge Node
An industrial IoT edge node aggregates multiple sensor inputs (temperature, pressure, vibration) over I2C/SPI and forwards them to a cloud gateway via the integrated USB or CAN. The PIC24EP512GU814-I/PL's DMA-driven ADC scan mode reads 8-16 analog channels efficiently while the CPU runs local filtering and anomaly detection. PPS lets the designer re-route UART, SPI, and I2C peripherals to any convenient pin, simplifying a tight 144-LQFP layout. Industrial temperature enables outdoor and factory-cabinet deployment.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24EP512GU814-I/PL — 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 | PIC24EP512GU814-E/PL | dsPIC33EP512MU814-E/PL | dsPIC33EP256MU814-E/PL | PIC24EP512GU810-I/PF | PIC24EP256GU814T-I/PH |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 144-LQFP (PL) 20x20 mm | 144-LQFP (PL) - same | 144-LQFP (PL) - same | 144-LQFP (PL) - same | 144-LQFP (PF) | 144-LQFP (PH) |
| Flash Memory | 512 KB | 512 KB | 512 KB | 256 KB | 512 KB | 256 KB |
| RAM | 52 KB | 52 KB | 52 KB | 52 KB | 52 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 | USB 2.0 FS OTG |
| CAN Modules | 2 x CAN 2.0B | 2 x CAN 2.0B | 2 x CAN 2.0B | 2 x CAN 2.0B | 1 x CAN 2.0B | 2 x CAN 2.0B |
| DSP Engine | No (PIC24 core only) | No | Yes (DSP) | Yes (DSP) | No | No |
| Operating Temperature | -40 to +85 °C (industrial) | -40 to +125 °C (extended) | -40 to +125 °C (extended) | -40 to +125 °C (extended) | -40 to +85 °C | -40 to +85 °C |
| MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
Bảo phân biệt quan trọng
- Integrated dual CAN 2.0B plus USB 2.0 FS OTG in a single 144-LQFP package (vsPIC24EP512GU810-I/PF)
- PIC24E core without DSP at 70 MIPS keeps the part positioned for deterministic control rather than DSP filtering (vsdsPIC33EP512MU814-E/PL)
- 512 KB Flash with 52 KB RAM provides more headroom for protocol stacks than the 256 KB Flash variant (vsPIC24EP256GU814T-I/PH)
Ghi chú thiết kế
Power architecture for the PIC24EP512GU814-I/PL should provide a clean 3.3 V rail with under 50 mV peak-to-peak ripple. Place a 4.7 µF bulk capacitor close to the main VDD pin group, then 100 nF X7R ceramic capacitors at each VDD/VSS pair as listed in the pinout. The AVDD/AVSS analog domain must be filtered with a ferrite bead or small L-C network from the digital 3.3 V to keep ADC sampling noise below the 12-bit LSB. Add a 4.7 µF + 100 nF pair on VREF+ to stabilize the ADC reference.
The 144-LQFP at 0.4 mm pitch requires escape routing on a 4-layer PCB with micro-vias under the pads. Use 0.2 mm traces between pins and route the USB D+/D- pair as a 90 Ω differential with length matching within 150 mil. The crystal traces between OSCI/OSCO and the load capacitors should be short and symmetric, with a ground guard ring to keep digital switching noise from coupling in. Keep the analog ANxx traces away from PWM outputs to reduce ADC crosstalk.
Three common pitfalls on PIC24EP designs: (1) Forgetting to unlock the Peripheral Pin Select (PPS) registers by writing the IOLOCK unlock sequence - peripherals will not map to pins otherwise. (2) Configuring the ADC channel scan without disabling digital input on analog pins (use the ANSx register) - this injects digital switching noise into conversions. (3) Using the PLL with the wrong input divider - the PIC24E PLL requires specific VCO and post-divider combinations per the datasheet's oscillator configuration table to achieve 70 MIPS reliably.
Estimated: At the maximum 70 MIPS with all peripherals active, core current draw is approximately 80 mA. With a 144-LQFP thermal resistance of approximately 50 °C/W (typical 4-layer JEDEC test board), full-load temperature rise is around 4 °C above ambient - well within industrial limits. The USB driver adds up to 25 mA when active. Designers in fully sealed enclosures should still verify with the manufacturer IBIS or thermal model for their specific board stackup.
When routing USB D+/D-, target 90 Ω differential impedance and keep the pair length-matched to within 150 mil (3.8 mm). Place the 15 kΩ pull-down on D- and the 1.5 kΩ pull-up on D+ only after firmware enables USB. For CAN bus signals, add a 120 Ω termination resistor at each end of the bus and route CANTX/CANRX with a short stub to a CAN transceiver such as the MCP2551 or ATA6563. The 100-pin Plug-In Module (PIM) adapter notes from Microchip show that several 144-LQFP signals are multiplexed onto the 100-pin PIM socket via zero-ohm resistors.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Industrial -40 to +85 °C range; for AEC-Q100 automotive qualification, use the PIC24EP512GU814-E/PL extended-temperature variant. Halogen-free status not explicitly stated in the provided data.
