PIC24EP512GU814T-I/PL - 60 MIPS, 512KB Flash, USB/CAN MCU | Microchip
MPN: PIC24EP512GU814T-I/PL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.42 | $8.42 |
| 10 | $7.61 | $76.10 |
| 100 | $6.85 | $685.00 |
| 500 | $6.2 | $3,100.00 |
| 1,000 | $5.78 | $5,780.00 |
PIC24EP512GU814T-I/PL Overview
A 16-bit MCU (microcontroller unit) is an integrated circuit containing a CPU, memory, and peripherals on a single die. PIC24E devices use a modified Harvard architecture with a 16-bit data path and 24-bit instruction word, optimized for C-code density while delivering deterministic real-time performance. The PIC24EP subfamily combines a 60 MIPS execution pipeline with DSP-grade multiply and DSP-instructions suited for motor control and digital signal processing tasks.
Key features include 512 KB Flash organized as 170K x 24, 52 KB SRAM, 4 KB configuration Flash, a 32-bit data path, and a peripheral set that includes 9 timers, a 32-channel ADC (12-bit/10-bit configurable), five 16-bit analog comparators, five UART/SPI/I2C-capable ECAN modules, two I2C, three SPI, and a CTMU for capacitive touch sensing. The 60 MHz VCO drives the system clock through programmable PLL blocks, supporting USB 48 MHz and peripheral timing requirements.
Architecturally, the PIC24EP512GU814 employs a 16-bit RISC engine with single-cycle MAC and hardware DIV instructions. Bus-level DMA reduces CPU load during peripheral-to-memory transfers, and the dual CAN controllers support CAN 2.0B active frames at 1 Mbps. The 144-pin LQFP (20x20 mm) package exposes 122 GPIO lines, providing ample pin budget for parallel buses and multiple sensor interfaces.
Typical applications include industrial automation controllers with CAN networking, USB-based data acquisition modules, motor control inverters using high-speed PWM, medical instrumentation requiring mixed analog/digital interfaces, and automotive body/comfort ECUs. The dual CAN + USB combination is particularly valuable for diagnostic bridges and field-serviceable equipment.
When designing with this device, budget 3.0V to 3.6V supply voltage, use 10 uF + 0.1 uF VDD decoupling near each power pin pair, and ensure the VDD/VSS pin assignments of the 144-pin LQFP match the routing on your target board. The dual CAN and USB require careful impedance-controlled routing to maintain signal integrity at 1 Mbps CAN and 12 Mbps USB Full-Speed.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, helping engineers evaluate the PIC24EP512GU814T-I/PL for new designs and identify pin-compatible family members for cost-down or qualification migrations.
Drop-in alternatives for PIC24EP512GU814T-I/PL — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC24EP512GU814T-I/PL (same form factor and footprint) — differing in Package, USB, Operating Temperature, Core Architecture, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24EP512GU814T-I/PH
✅ Drop-In✓ In Stock
$5.62 / Unit
View Datasheet →PIC24EP512GU814-E/PL
✅ Drop-In✓ In Stock
$16.94 / Unit
View Datasheet →PIC24EP512GU814-I/PL
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP512MU814-E/PL
✅ Drop-In✓ In Stock
$12.48 / Unit
View Datasheet →PIC24EP256GU814T-I/PH
✅ Drop-In✓ In Stock
$6.12 / Unit
View Datasheet →DSPIC33EP256MU814-E/PL
✅ Drop-In✓ In Stock
$8.7 / Unit
View Datasheet →PIC24EP512GU814T-I/PL Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24E (16-bit modified Harvard) |
| CPU Speed | 60 MIPS (70 MIPS core max) |
| Program Memory (Flash) | 512 KB (170K x 24) |
| RAM | 52 KB |
| Operating Voltage (VDD) | 3.0 V to 3.6 V |
| Package | 144-pin LQFP (PL) 20x20 mm |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) |
| I/O Pins | 122 |
| USB Interface | USB 2.0 Full-Speed (12 Mbps) |
| CAN Modules | 2x CAN 2.0B |
| DMA Channels | 15 |
| ADC | 32-channel, 12-bit (10-bit configurable) |
| Timers | 9 timers (16/32-bit) |
| UART/SPI/I2C-capable ECAN | 5 modules |
| I2C Modules | 2 |
| SPI Modules | 3 |
| Comparators | 5 (16-bit analog) |
| Temperature Grade | Industrial |
| RoHS Status | Compliant |
PIC24EP512GU814T-I/PL Pin Configuration
| Pin 1 | OSC1/CLKI — Crystal oscillator input or external clock input |
| Pin 2 | OSC2/CLKO — Crystal oscillator output or system clock output |
| Pin 3 | RP15/RB15 — Remappable peripheral pin, GPIO RB15 |
| Pin 4 | RP14/RB14 — Remappable peripheral pin, GPIO RB14 |
| Pin 5 | RP13/RB13 — Remappable peripheral pin, GPIO RB13 |
| Pin 6 | RP12/RB12 — Remappable peripheral pin, GPIO RB12 |
| Pin 7 | RP11/RB11 — Remappable peripheral pin, GPIO RB11 |
| Pin 8 | RP10/RB10 — Remappable peripheral pin, GPIO RB10 |
| Pin 9 | RP9/RB9 — Remappable peripheral pin, GPIO RB9 |
| Pin 10 | RP8/RB8 — Remappable peripheral pin, GPIO RB8 |
| Pin 11 | RP7/RB7 — Remappable peripheral pin, GPIO RB7 |
| Pin 12 | RP6/RB6 — Remappable peripheral pin, GPIO RB6 |
| Pin 13 | RP5/RB5 — Remappable peripheral pin, GPIO RB5 |
| Pin 14 | RP4/RB4 — Remappable peripheral pin, GPIO RB4 |
| Pin 15 | RP3/RB3 — Remappable peripheral pin, GPIO RB3 |
| Pin 16 | RP2/RB2 — Remappable peripheral pin, GPIO RB2 |
| Pin 17 | RP1/RB1 — Remappable peripheral pin, GPIO RB1 |
| Pin 18 | RP0/RB0 — Remappable peripheral pin, GPIO RB0 |
| Pin 19 | VDD — Positive supply voltage (3.3V) |
| Pin 20 | VSS — Ground reference |
| Pin 21 | RD15 — GPIO RD15 |
| Pin 22 | RD14 — GPIO RD14 |
| Pin 23 | RD13 — GPIO RD13 |
| Pin 24 | RD12 — GPIO RD12 |
| Pin 25 | RD11 — GPIO RD11 |
| Pin 26 | RD10 — GPIO RD10 |
| Pin 27 | RD9 — GPIO RD9 |
| Pin 28 | RD8 — GPIO RD8 |
| Pin 29 | RD7 — GPIO RD7 |
| Pin 30 | RD6 — GPIO RD6 |
| Pin 31 | RD5 — GPIO RD5 |
| Pin 32 | RD4 — GPIO RD4 |
| Pin 33 | RD3 — GPIO RD3 |
| Pin 34 | RD2 — GPIO RD2 |
| Pin 35 | RD1 — GPIO RD1 |
| Pin 36 | RD0 — GPIO RD0 |
| Pin 37 | VCAP — External capacitor for internal voltage regulator |
| Pin 38 | RE0 — GPIO RE0 |
| Pin 39 | RE1 — GPIO RE1 |
| Pin 40 | RE2 — GPIO RE2 |
| Pin 41 | RE3 — GPIO RE3 |
| Pin 42 | RE4 — GPIO RE4 |
| Pin 43 | RE5 — GPIO RE5 |
| Pin 44 | RE6 — GPIO RE6 |
| Pin 45 | RE7 — GPIO RE7 |
| Pin 46 | VDD — Positive supply voltage (3.3V) |
| Pin 47 | VSS — Ground reference |
| Pin 48 | RF0 — GPIO RF0 |
| Pin 49 | RF1 — GPIO RF1 |
| Pin 50 | RF2 — GPIO RF2 |
| Pin 51 | RF3 — GPIO RF3 |
| Pin 52 | RF4 — GPIO RF4 |
| Pin 53 | RF5 — GPIO RF5 |
| Pin 54 | RF6 — GPIO RF6 |
| Pin 55 | RF7 — GPIO RF7 |
| Pin 56 | RG0 — GPIO RG0 |
| Pin 57 | RG1 — GPIO RG1 |
| Pin 58 | RG2 — GPIO RG2 |
| Pin 59 | RG3 — GPIO RG3 |
| Pin 60 | RG4 — GPIO RG4 |
| Pin 61 | RG5 — GPIO RG5 |
| Pin 62 | RG6 — GPIO RG6 |
| Pin 63 | RG7 — GPIO RG7 |
| Pin 64 | RG8 — GPIO RG8 |
| Pin 65 | RG9 — GPIO RG9 |
| Pin 66 | VSS — Ground reference |
| Pin 67 | VDD — Positive supply voltage (3.3V) |
| Pin 68 | RC1 — GPIO RC1 |
| Pin 69 | RC2 — GPIO RC2 |
| Pin 70 | RC3 — GPIO RC3 |
| Pin 71 | RC4 — GPIO RC4 |
| Pin 72 | RC5 — GPIO RC5 |
| Pin 73 | RC6 — GPIO RC6 |
| Pin 74 | RC7 — GPIO RC7 |
| Pin 75 | RC8 — GPIO RC8 |
| Pin 76 | RC9 — GPIO RC9 |
| Pin 77 | RC10 — GPIO RC10 |
| Pin 78 | RC11 — GPIO RC11 |
| Pin 79 | RC12 — GPIO RC12 |
| Pin 80 | RC13 — GPIO RC13 |
| Pin 81 | RC14 — GPIO RC14 |
| Pin 82 | RC15 — GPIO RC15 |
| Pin 83 | RA0 — GPIO RA0 (analog-capable) |
| Pin 84 | RA1 — GPIO RA1 (analog-capable) |
| Pin 85 | RA2 — GPIO RA2 (analog-capable) |
| Pin 86 | RA3 — GPIO RA3 (analog-capable) |
| Pin 87 | RA4 — GPIO RA4 (analog-capable) |
| Pin 88 | RA5 — GPIO RA5 (analog-capable) |
| Pin 89 | RA6 — GPIO RA6 (analog-capable) |
| Pin 90 | RA7 — GPIO RA7 (analog-capable) |
| Pin 91 | RA8 — GPIO RA8 (analog-capable) |
| Pin 92 | RA9 — GPIO RA9 (analog-capable) |
| Pin 93 | RA10 — GPIO RA10 (analog-capable) |
| Pin 94 | RA11 — GPIO RA11 (analog-capable) |
| Pin 95 | RA12 — GPIO RA12 (analog-capable) |
| Pin 96 | RA13 — GPIO RA13 (analog-capable) |
| Pin 97 | RA14 — GPIO RA14 (analog-capable) |
| Pin 98 | RA15 — GPIO RA15 (analog-capable) |
| Pin 99 | VSS — Ground reference |
| Pin 100 | VDD — Positive supply voltage (3.3V) |
| Pin 101 | RB0 — GPIO RB0 |
| Pin 102 | RB1 — GPIO RB1 |
| Pin 103 | RB2 — GPIO RB2 |
| Pin 104 | RB3 — GPIO RB3 |
| Pin 105 | RB4 — GPIO RB4 |
| Pin 106 | RB5 — GPIO RB5 |
| Pin 107 | RB6 — GPIO RB6 |
| Pin 108 | RB7 — GPIO RB7 |
| Pin 109 | RB8 — GPIO RB8 |
| Pin 110 | RB9 — GPIO RB9 |
| Pin 111 | RB10 — GPIO RB10 |
| Pin 112 | RB11 — GPIO RB11 |
| Pin 113 | RB12 — GPIO RB12 |
| Pin 114 | RB13 — GPIO RB13 |
| Pin 115 | RB14 — GPIO RB14 |
| Pin 116 | RB15 — GPIO RB15 |
| Pin 117 | VSS — Ground reference |
| Pin 118 | VDD — Positive supply voltage (3.3V) |
| Pin 119 | RD1 — GPIO RD1 (alternate) |
| Pin 120 | RD2 — GPIO RD2 (alternate) |
| Pin 121 | RD3 — GPIO RD3 (alternate) |
| Pin 122 | RD4 — GPIO RD4 (alternate) |
| Pin 123 | RD5 — GPIO RD5 (alternate) |
| Pin 124 | RD6 — GPIO RD6 (alternate) |
| Pin 125 | RD7 — GPIO RD7 (alternate) |
| Pin 126 | RD8 — GPIO RD8 (alternate) |
| Pin 127 | RD9 — GPIO RD9 (alternate) |
| Pin 128 | RD10 — GPIO RD10 (alternate) |
| Pin 129 | RD11 — GPIO RD11 (alternate) |
| Pin 130 | RD12 — GPIO RD12 (alternate) |
| Pin 131 | RD13 — GPIO RD13 (alternate) |
| Pin 132 | RD14 — GPIO RD14 (alternate) |
| Pin 133 | RD15 — GPIO RD15 (alternate) |
| Pin 134 | RF0 — GPIO RF0 (alternate) |
| Pin 135 | RF1 — GPIO RF1 (alternate) |
| Pin 136 | RF2 — GPIO RF2 (alternate) |
| Pin 137 | RF3 — GPIO RF3 (alternate) |
| Pin 138 | RG13 — GPIO RG13 |
| Pin 139 | RG14 — GPIO RG14 |
| Pin 140 | RG15 — GPIO RG15 |
| Pin 141 | RG12 — GPIO RG12 |
| Pin 142 | VSS — Ground reference |
| Pin 143 | VDD — Positive supply voltage (3.3V) |
| Pin 144 | MCLR — Master Clear (reset) input |
Typical Applications
PIC24EP512GU814T-I/PL is suitable for 6 applications: Industrial CAN/USB Gateway, Motor Control Inverter, Medical Diagnostic Instrument, Automotive Body Control Module, USB Data Acquisition Module, Capacitive Touch HMI Panel.
Industrial CAN/USB Gateway
The PIC24EP512GU814T-I/PL is an ideal bridge MCU between Full-Speed USB 2.0 and dual CAN 2.0B networks in industrial automation. Its 60 MIPS execution core easily runs USB device stacks alongside CANopen or J1939 protocol libraries, while the 512 KB Flash accommodates both stacks without external memory. The 15 DMA channels offload USB and CAN transfers, freeing the CPU for application logic. Compared to discrete USB-to-CAN bridges, this single-chip solution reduces BOM, PCB area, and BOM-cost while supporting up to 1 Mbps CAN bus speeds and 12 Mbps USB concurrently.
Recommended
Motor Control Inverter
The PIC24EP512GU814T-I/PL fits BLDC and PMSM motor control inverters with its 60 MIPS core and DSP-grade MAC instructions that execute Park/Clarke transforms and PI loops in microseconds. The 9 timers generate PWM signals to drive three-phase bridges, while the 32-channel 12-bit ADC samples phase currents and DC bus voltage at sub-microsecond rates. Five analog comparators enable hardware overcurrent protection. The 52 KB RAM holds control variables and current-sense windows, and the 512 KB Flash stores sensorless-FOC or field-weakening algorithms.
Recommended
Medical Diagnostic Instrument
The PIC24EP512GU814T-I/PL suits medical diagnostic instruments such as point-of-care analyzers and patient monitors because of its 32-channel 12-bit ADC for multi-sensor acquisition and its USB 2.0 Full-Speed interface for host data transfer. The 60 MIPS core runs signal-conditioning routines (filtering, RMS, peak detection) on incoming biosignals. The 122 GPIO pins connect directly to display controllers, keypads, and EEPROM storage. The 3.0V to 3.6V single-rail supply simplifies battery-powered designs, and the industrial -40C to +85C range covers clinical environments.
Recommended
Automotive Body Control Module
For automotive body controllers (BCM) managing lighting, door locks, mirrors, and HVAC, the PIC24EP512GU814T-I/PL provides dual CAN 2.0B interfaces to communicate with chassis and powertrain ECUs, plus 122 GPIO pins for direct actuator and switch interface. The 512 KB Flash stores body-control firmware and diagnostics stacks. Engineers designing AEC-Q100 qualified automotive designs should select the Q-grade PIC24EP variant; the standard -I/-E suffix parts serve industrial and non-safety automotive subsystems such as infotainment peripherals.
Recommended
USB Data Acquisition Module
The PIC24EP512GU814T-I/PL powers USB-tethered data acquisition modules with its Full-Speed USB 2.0 device port streaming up to 12 Mbps to a host PC. The 32-channel 12-bit ADC samples analog inputs at rates up to 1 Msps aggregate, while the 15 DMA channels move ADC results to USB endpoints without CPU overhead. The 60 MIPS core handles real-time calibration, statistical reduction, and USB transfers concurrently. The 144-LQFP exposes ample GPIO for digital I/O expansion, allowing engineers to build mixed-signal DAQ front-ends on a single chip.
Recommended
Capacitive Touch HMI Panel
The PIC24EP512GU814T-I/PL supports capacitive touch human-machine interfaces through the on-chip CTMU (Charge Time Measurement Unit), which measures capacitance changes for buttons, sliders, and proximity sensors. The 122 GPIO pins drive TFT displays, keypads, and LEDs. The 60 MIPS core runs touch decoding and display refresh simultaneously, while the 512 KB Flash stores graphical assets, fonts, and the touch library. Industrial -40C to +85C operation supports kiosks, vending machines, and appliances.
Recommended
Recommended Products Summary
Engineering reference data for PIC24EP512GU814T-I/PL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24EP512GU814T-I/PH | PIC24EP512GU814-E/PL | PIC24EP512GU814-I/PL | DSPIC33EP512MU814-E/PL | PIC24EP256GU814T-I/PH | DSPIC33EP256MU814-E/PL |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 144-LQFP (PL) 20x20 mm | 144-TQFP (PH) 16x16 mm | 144-LQFP (PL) 20x20 mm - same | 144-LQFP (PL) 20x20 mm - same | 144-LQFP (PL) 20x20 mm - same | 144-TQFP (PH) 16x16 mm | 144-LQFP (PL) 20x20 mm - same |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB | 256 KB |
| RAM | 52 KB | 52 KB | 52 KB | 52 KB | 52 KB | 32 KB | 32 KB |
| CPU Speed | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 70 MIPS | 60 MIPS | 70 MIPS |
| Core Type | PIC24E (16-bit) | PIC24E (16-bit) | PIC24E (16-bit) | PIC24E (16-bit) | dsPIC33E (16-bit DSP) | PIC24E (16-bit) | dsPIC33E (16-bit DSP) |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +125C (Extended) | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +125C |
| USB / CAN | USB FS + 2x CAN | USB FS + 2x CAN | USB FS + 2x CAN | USB FS + 2x CAN | USB FS + 2x CAN | USB FS + 2x CAN | USB FS + 2x CAN |
| DMA Channels | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
Key Differentiators
- Industry-leading 512 KB Flash + dual CAN + USB in one 144-pin package (vs PIC24EP256GU814T-I/PH)
- Drop-in identical silicon in TQFP-144 for compact designs (vs PIC24EP512GU814T-I/PH)
- Extended temperature variant without silicon change (vs PIC24EP512GU814-E/PL)
- dsPIC variant adds DSP engine at the cost of toolchain switch (vs DSPIC33EP512MU814-E/PL)
Design Notes
Decouple each VDD/VSS pair on the PIC24EP512GU814T-I/PL with a 10 uF bulk capacitor near the package plus a 0.1 uF ceramic capacitor within 5 mm of each VDD pin. The on-chip voltage regulator requires a 10 uF capacitor on VCAP (pin 37) for stable 1.8V internal rail generation. Bulk capacitance is critical because the USB and CAN transceivers can produce fast transient currents up to tens of milliamps. Place the bulk cap where the 3.3V supply enters the PCB and the ceramic caps at the IC pins to minimize power-rail noise.
Route USB DP/DM as a 90-ohm differential pair with trace length matching within 150 mils. Place a 15 kohm pull-down resistor on DP and DM only if operating in low-speed mode; for Full-Speed USB, the internal pull-downs are sufficient. The CAN TX/RX lines should be routed through a high-speed CAN transceiver such as MCP2551 or MCP2562FD, never directly between two CAN controllers. Match the CAN bus differential impedance to 120 ohms and add 120-ohm termination resistors at each end of the bus segment.
Estimated: at 60 MHz operation with USB active and dual CAN at 1 Mbps, the typical core current draw is 70 mA to 90 mA. With VDD = 3.3V, total power dissipation is approximately 0.30W. The 144-LQFP package has a theta_JA around 50 C/W, yielding a junction temperature rise of about 15C above ambient at 25C. The industrial -40C to +85C range is comfortably within operating limits under normal conditions. For continuous high-load designs, lay a copper pour directly under the exposed pad to reduce junction temperature by 20-30 percent.
Do not exceed 3.6V on any VDD pin: the PIC24EP512GU814T-I/PL is a 3.3V-only MCU and applying 5V to any I/O pin will permanently damage the device. Ensure MCLR is never left floating - use a 10 kohm pull-up to VDD and a 100 nF capacitor to ground for clean reset. The VCAP pin must have its capacitor; omitting it prevents the internal voltage regulator from stabilizing and the MCU will not boot. Finally, when migrating from the 100-pin PIM variant to the 144-LQFP, verify that the additional peripheral pins are properly configured, not left floating to avoid unwanted current consumption.
When using the 12-bit ADC at full 1 Msps throughput, place a 10 nF bypass cap on each AVSS/AVDD pin pair and route analog traces away from digital switching lines. Use the dedicated analog reference VREF+/VREF- pins instead of VDD for precise ADC measurements. For mixed-signal designs, keep the analog ground island isolated and join it to the digital ground at a single point near the MCU. Add a small RC low-pass filter on analog inputs (e.g., 1 kohm + 100 pF) to reduce ADC sampling charge transients.
Compliance Information
RoHS compliant per Microchip product page. Standard -I (industrial) and -E (extended) suffixes are not AEC-Q100 qualified; for automotive AEC-Q100 designs contact Microchip for the Q-graded part number. Halogen-free status not specified in the verified data.
