PIC24EP512GU814-E/PL - 16-Bit MCU, 512KB Flash, USB, 2x CAN | Microchip
MPN: PIC24EP512GU814-E/PL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $26.78 | $26.78 |
| 10 | $24.51 | $245.10 |
| 100 | $21.83 | $2,183.00 |
| 500 | $19.12 | $9,560.00 |
| 1,000 | $16.94 | $16,940.00 |
PIC24EP512GU814-E/PL Overview
A 16-bit MCU (microcontroller unit) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals including timers, communication interfaces, and analog blocks. The PIC24E family specifically targets high-performance embedded applications, sitting in the hierarchy: PIC24E -> 16-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. It is widely adopted where 8-bit MCUs lack computational headroom but full 32-bit processors are overkill.
Key features include dual 10/12-bit ADC blocks capable of up to 500 ksps each, USB On-The-Go (OTG), dual CAN 2.0B interfaces, nine 16-bit timers plus nine input capture and nine output compare/PWM channels, an 8-bit Parallel Master Port (PMP) for graphics displays, and a hardware Real-Time Clock and Calendar (RTCC). The CPU operates at up to 60 MHz internal oscillator with PLL scaling to the 70 MIPS throughput.
Architecturally, the PIC24EP uses a modified Harvard RISC core with a 16-bit instruction word and 24-bit instruction path, giving it strong code density and a deterministic instruction cycle. Its dual CAN modules support CAN 2.0B active with acceptance filters, while the USB OTG controller provides full-speed (12 Mbps) device/host/OTG operation without an external transceiver PHY for device mode.
Typical applications include automotive body and powertrain ECUs, industrial PLCs, motor control with field-oriented control (FOC) algorithms, medical patient monitors, and CAN-connected sensor hubs. The combination of dual CAN, USB, and 70 MIPS core is uncommon at this integration level and price.
Designers should note that the -E/PL variant operates from 3.0V to 3.6V only (no internal 5V tolerance on I/O); a 3.3V LDO is required when sourced from a 5V rail. The 144-pin LQFP package requires a 4-layer PCB with continuous ground plane for SI/EMI compliance in CAN-bus applications.
This page synthesizes distributor stock levels, drop-in alternatives from the same PIC24E family, and practical design notes that complement the 622-page Microchip datasheet rather than duplicating it.
Drop-in alternatives for PIC24EP512GU814-E/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 PIC24EP512GU814-E/PL (same form factor and footprint) — differing in Operating Temperature, Package, ADC, Core Architecture, I/O Pins.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24EP512GU814-I/PL
✅ Drop-In✓ In Stock
$11.5 / Unit
View Datasheet →DSPIC33EP512MU814-E/PL
✅ Drop-In✓ In Stock
$12.48 / Unit
View Datasheet →PIC24EP256GU814-E/PH
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP512GU814-E/PH
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP512GU814-E/PL Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit PIC24E RISC (modified Harvard) |
| Maximum CPU Speed | 70 MIPS @ 60 MHz |
| Program Memory (Flash) | 512 KB (170K x 24 words) |
| Data SRAM | 52 KB |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| Operating Temperature | -40 C to +125 C (automotive -E grade) |
| Package | 144-pin LQFP (PL), 20 x 20 mm, 1.4 mm thickness |
| Mounting Type | Surface Mount |
| I/O Pins | 83 |
| ADC | Dual 10/12-bit, up to 500 ksps, 32 channels |
| USB | USB 2.0 Full-Speed OTG |
| CAN | 2x CAN 2.0B active |
| Timers | 9x 16-bit, 9x Input Capture, 9x Output Compare/PWM |
| Parallel Master Port (PMP) | 8-bit PMP for graphics LCDs/External memory |
| DMA | 8-channel DMA |
| RTCC | Hardware Real-Time Clock and Calendar |
| RoHS Status | Compliant |
| MSL Level | 3 (168 hours) |
PIC24EP512GU814-E/PL 144-pin lqfp (pl), 20 x 20 mm, 1.4 mm thickness Pin Configuration Guide
Pin configuration for PIC24EP512GU814-E/PL (144-pin lqfp (pl), 20 x 20 mm, 1.4 mm thickness package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for PIC24EP512GU814-E/PL.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC24EP512GU814-E/PL is suitable for 6 applications: Automotive Body and Powertrain ECUs, Industrial CAN-Bus Sensor Hubs, Brushless DC (BLDC) Motor Control, Medical Patient Monitoring Devices, Building Automation Controllers, USB-CAN Gateway Bridges.
Automotive Body and Powertrain ECUs
The PIC24EP512GU814-E/PL is engineered for automotive electronic control units where its 70 MIPS 16-bit core, dual CAN 2.0B interfaces, and -40C to +125C qualified operating range directly address body and powertrain requirements. The 512 KB Flash accommodates OBD-II diagnostic stacks, AUTOSAR MCAL drivers, and bootloaders with firmware-update staging area, while 52 KB SRAM buffers large CAN message queues. The dual independent CAN channels enable gateway topologies bridging powertrain CAN at 500 kbps and body CAN at 125 kbps, plus SAE J1939 protocol stacks for commercial vehicles. AEC-Q100 grade 1 qualification via the -E suffix, plus integrated safety features (windowed WDT, hardware CRC, ECC on Flash) support ISO 26262 ASIL-B functional safety goals.
Recommended
Industrial CAN-Bus Sensor Hubs
In industrial automation, the PIC24EP512GU814-E/PL serves as the central controller of distributed CANOpen or DeviceNet sensor hubs that aggregate data from multiple field sensors. Its dual CAN interfaces allow bridging between a higher-speed factory CAN bus and a lower-speed sensor cluster, while 512 KB Flash hosts full CANOpen stack (CiA 401/402/404 device profiles) plus application logic. The dual 10/12-bit 500 ksps ADCs simultaneously sample analog sensor inputs (temperature, pressure, flow) without software multiplexing delay. The 83 available I/O pins handle multiple digital inputs and PWM outputs for actuator control. Industrial -40C to +85C operation is supported via the -I variant.
Recommended
Brushless DC (BLDC) Motor Control
The PIC24EP512GU814-E/PL runs sensorless and sensored BLDC motor control algorithms including trapezoidal commutation, sinusoidal drive, and field-oriented control (FOC) at its 70 MIPS core throughput. The nine PWM outputs with independent duty cycle, phase shift, and dead-time control drive a 3-phase inverter with center-aligned or edge-aligned switching at up to 1 ns PWM resolution. Dual 500 ksps ADCs simultaneously sample two phase currents (via inline shunt resistors) and the DC bus voltage, enabling single-cycle FOC updates with no ADC latency. Hardware QEI interfaces support encoder/sensor inputs. For higher-end servo control with DSP acceleration, the pin-compatible dsPIC33EP512MU814-E/PL adds single-cycle MAC operations.
Recommended
Medical Patient Monitoring Devices
The PIC24EP512GU814-E/PL is suitable for mid-range medical patient monitors that require reliable connectivity, multiple analog channels, and a long product lifecycle. Its USB OTG interface supports tethered data transfer to bedside display consoles, while CAN connectivity links bedside modules to a central patient information system. The 12-bit ADC at 500 ksps captures ECG, SpO2, and temperature analog front-ends with adequate resolution. Hardware RTCC timestamps each vital-sign measurement to the second for clinical records. The 512 KB Flash hosts RTOS plus protocol stacks (USB CDC, CANOpen Medical Device profile), and the LQFP-144 footprint enables compact 100 x 100 mm monitor PCBs.
Recommended
Building Automation Controllers
The PIC24EP512GU814-E/PL functions as a BACnet or Modbus building-automation controller that integrates HVAC, lighting, and access-control subsystems. Its dual CAN channels connect to BACnet MS/TP networks at 76.8 to 125 kbps while the USB OTG port serves a maintenance interface or touch-panel HMI. The 83 I/O pins directly drive triac outputs for light dimming and relay control for HVAC dampers, eliminating external I/O expanders. 512 KB Flash hosts BACnet stack, scheduling firmware, and configuration data with over-the-air update capability. Operating from -40C to +85C (industrial grade -I variant), it tolerates rooftop plant-room environments.
Recommended
USB-CAN Gateway Bridges
The PIC24EP512GU814-E/PL is a natural fit for USB-to-CAN gateway bridges used in automotive diagnostics, industrial bus analyzers, and CAN-based firmware updaters. The USB OTG controller provides a 12 Mbps Full-Speed USB interface to a host PC, while dual CAN channels simultaneously interface to two independent CAN buses for cross-traffic or bus-monitoring applications. The 70 MIPS throughput handles full-speed CAN traffic (1 Mbit) at near-100% bus utilization with protocol parsing and timestamping in firmware, plus a 1 MB/s USB CDC bulk transfer channel. 52 KB SRAM is sufficient for buffering multiple CAN frames between USB and CAN without dropping packets.
Recommended
Recommended Products Summary
Engineering reference data for PIC24EP512GU814-E/PL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24EP512GU814-I/PL | dsPIC33EP512MU814-E/PL | PIC24EP256GU814-E/PH | PIC24EP512GU814-E/PH |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 144-pin LQFP (PL) 20x20 mm | 144-pin LQFP (PL) 20x20 mm - same | 144-pin LQFP (PL) 20x20 mm - same | 144-pin LQFP (PH) 16x16 mm - same pin count, smaller footprint | 144-pin LQFP (PH) 16x16 mm - same pin count, smaller footprint |
| Flash | 512 KB | 512 KB | 512 KB | 256 KB (-50%) | 512 KB |
| SRAM | 52 KB | 52 KB | 52 KB | 32 KB (-38%) | 52 KB |
| CPU Core | PIC24E, 70 MIPS | PIC24E, 70 MIPS | dsPIC33E, 70 MIPS + DSP engine | PIC24E, 70 MIPS | PIC24E, 70 MIPS |
| CAN Interfaces | 2x CAN 2.0B | 2x CAN 2.0B | 2x CAN 2.0B | 2x CAN 2.0B | 2x CAN 2.0B |
| 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 |
| Temperature Range | -40C to +125C (Automotive -E) | -40C to +85C (Industrial -I) | -40C to +125C (Automotive -E) | -40C to +125C (Automotive -E) | -40C to +125C (Automotive -E) |
| DSP Engine | No | No | Yes (single-cycle MAC) | No | No |
Key Differentiators
- Drop-in DSP upgrade path with identical footprint (vs dsPIC33EP512MU814-E/PL)
- Industrial temp option reduces cost when automotive range is not needed (vs PIC24EP512GU814-I/PL)
- Smaller-footprint option for space-constrained PCBs (vs PIC24EP512GU814-E/PH)
Design Notes
The PIC24EP512GU814-E/PL operates from a single 3.0V to 3.6V supply and requires a decoupling capacitor network: 100 nF X7R on each VDD/AVDD pin pair plus a bulk 10 uF tantalum or ceramic near the package. The internal voltage regulator core draws peak currents of 80 mA during Flash programming; insufficient bulk capacitance causes VDD sag and Flash write errors. Use a low-ESR 4.7 uF or 10 uF ceramic (X5R/X7R) in parallel with 100 nF on each AVDD pin to suppress ADC reference noise.
For CAN-bus and USB designs, use a 4-layer PCB with a dedicated ground plane and a power plane split between VDD and AVDD. Place the 8 MHz primary crystal within 5 mm of the OSCI/OSCO pins with a continuous ground reference plane beneath. Route the differential USB D+/D- traces as 90 ohm differential pairs with length matching within 1 mm and keep them isolated from switching nodes (PWM, CAN TX/RX). Series termination on CAN_H/CAN_L close to the MCU improves signal integrity on long bus stubs.
Three frequent pitfalls: (1) Forgetting that I/O pins are NOT 5V tolerant - applying 5V to any digital I/O will damage the part; use a level translator when interfacing 5V peripherals. (2) Using the wrong ADC configuration - the PIC24E has two ADC modules that must be enabled and configured independently; sampling rates above 500 ksps require ADC dedicated to a single channel with specific acquisition timing. (3) Forgetting PPS (Peripheral Pin Select) configuration - on the 144-pin variants most peripherals can be remapped to multiple pins via PPS registers that must be unlocked via CFGCON.IOLOCK before configuration.
Compliance Information
AEC-Q100 qualified for automotive applications (E suffix). Microchip product page lists RoHS/REACH compliance. Halogen-free per JESD709. Conflict minerals declaration available from Microchip.
