PIC24EP256GU814-I/PH - 70 MIPS 16-bit MCU, 256KB Flash, USB, Dual CAN | Microchip
Référence : PIC24EP256GU814-I/PH ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $20.83 | $20,83 |
| 10 | $18.95 | $189,50 |
| 100 | $16.42 | $1 642,00 |
| 500 | $14.18 | $7 090,00 |
| 1 000 | $12.95 | $12 950,00 |
PIC24EP256GU814-I/PH Présentation
A 16-bit microcontroller (MCU) is an embedded processor that fetches and executes instructions on 16-bit data paths, sitting architecturally between 8-bit MCUs (lower cost, simpler peripherals) and 32-bit ARM Cortex-M devices (higher performance, richer ecosystems). The PIC24EP256GU814 belongs to the hierarchy 16-bit MCU -> Digital Signal Controller (DSC) -> PIC24E family -> general-purpose high-performance tier, giving engineers DSP-class MAC throughput alongside deterministic interrupt response.
Key differentiating features include the 70 MIPS core with single-cycle hardware multiply and zero-overhead loops, four 16-bit timer/counter modules plus nine additional 16-bit general-purpose timers, a 12-bit ADC with up to 500 ksps conversion rate, and four DMA channels that offload data movement from the CPU. The integrated USB OTG controller eliminates an external PHY chip for many designs, while dual CAN 2.0B interfaces support industrial networking protocols such as CANopen and DeviceNet.
The PIC24E core is a 16-bit modified Harvard pipeline with a dedicated multiply/accumulate unit, enabling single-cycle MAC operations critical for closed-loop motor control and digital power conversion. Peripheral Pin Select (PPS) provides digital peripheral remapping for flexible PCB routing, and the 4-channel DMA engine sustains high-throughput peripheral interactions without CPU intervention.
Typical applications include industrial motor control (BLDC, PMSM, ACIM variable-frequency drives), USB-CAN bridge gateways for industrial automation, advanced sensor fusion platforms, automotive body and comfort ECUs, and embedded HMI controllers. The combination of high-resolution PWM, fast successive-approximation ADC, dual CAN, and USB OTG makes it especially suitable for industrial servo drives and CAN-based distributed control.
When designing with this MCU, keep the supply rail inside 3.0V to 3.6V and place decoupling capacitors close to every VDDCORE/VDD pin pair. The PPS feature simplifies layout, but analog and high-speed digital assignments must still be cross-checked against the datasheet pinout. The MPLAB Harmony configurator is recommended for peripheral initialization and code generation.
This page synthesizes distributor pricing, drop-in alternatives drawn from the same PIC24E family, and practical design notes not collected in the manufacturer datasheet alone.
Alternatives de remplacement direct pour PIC24EP256GU814-I/PH — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec PIC24EP256GU814-I/PH (même facteur de forme et même empreinte) — différant par ADC, Operating Temperature, Package, CAN, CPU Performance.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC24EP512GU814-I/PH
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC24EP128GU814-I/PH
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC24EP256GP806-I/PH
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
dsPIC33EP256MU810-I/PH
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
dsPIC33EP256GM310-I/PH
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
DSPIC33EP512GM710-I
✅ Remplacement direct✓ En stock
$10.1 / unité
Voir la fiche technique →PIC24EP512GU810-I/PH
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC24EP256GU814-I/PH Valeurs maximales et caractéristiques électriques
| Core Architecture | PIC24E (16-bit modified Harvard DSP) |
| Maximum CPU Speed | 70 MIPS |
| Program Flash Memory | 256 KB (85.5K x 24) |
| SRAM | 52 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| Température de fonctionnement | -40 C to +85 C (Industrial) |
| GPIO Pins | 83 |
| ADC | 12-bit, up to 500 ksps |
| 16-bit Timers | 4 (plus 9 additional 16-bit general-purpose) |
| USB | USB 2.0 Full-Speed OTG |
| CAN | 2 x CAN 2.0B |
| DMA Channels | 4 |
| Boîtier | 144-pin TQFP (PH) 16x16 mm |
| Type de montage | Surface Mount |
| Peripheral Pin Select (PPS) | Yes |
| Statut RoHS | Compliant |
| Lead-Free | Yes |
Configuration des broches de PIC24EP256GU814-I/PH
| Broche 1 | PMD0 — Parallel Master Port Data 0 / GPIO |
| Broche 2 | PMD1 — Parallel Master Port Data 1 / GPIO |
| Broche 3 | PMD2 — Parallel Master Port Data 2 / GPIO |
| Broche 4 | PMD3 — Parallel Master Port Data 3 / GPIO |
| Broche 5 | PMD4 — Parallel Master Port Data 4 / GPIO |
| Broche 6 | PMD5 — Parallel Master Port Data 5 / GPIO |
| Broche 7 | PMD6 — Parallel Master Port Data 6 / GPIO |
| Broche 8 | PMD7 — Parallel Master Port Data 7 / GPIO |
| Broche 9 | VSS — Ground reference |
| Broche 10 | VDD — Digital supply 3.3V |
| Broche 11 | PMD8 — Parallel Master Port Data 8 / GPIO |
| Broche 12 | PMD9 — Parallel Master Port Data 9 / GPIO |
| Broche 13 | PMD10 — Parallel Master Port Data 10 / GPIO |
| Broche 14 | PMD11 — Parallel Master Port Data 11 / GPIO |
| Broche 15 | PMD12 — Parallel Master Port Data 12 / GPIO |
| Broche 16 | PMD13 — Parallel Master Port Data 13 / GPIO |
| Broche 17 | PMD14 — Parallel Master Port Data 14 / GPIO |
| Broche 18 | PMD15 — Parallel Master Port Data 15 / GPIO |
| Broche 19 | VSS — Ground reference |
| Broche 20 | VDD — Digital supply 3.3V |
| Broche 21 | PMA0 — Parallel Master Port Address 0 |
| Broche 22 | PMA1 — Parallel Master Port Address 1 |
| Broche 23 | PMA2 — Parallel Master Port Address 2 |
| Broche 24 | PMA3 — Parallel Master Port Address 3 |
| Broche 25 | PMA4 — Parallel Master Port Address 4 |
| Broche 26 | PMA5 — Parallel Master Port Address 5 |
| Broche 27 | PMA6 — Parallel Master Port Address 6 |
| Broche 28 | PMA7 — Parallel Master Port Address 7 |
| Broche 29 | PMA8 — Parallel Master Port Address 8 |
| Broche 30 | PMA9 — Parallel Master Port Address 9 |
| Broche 31 | PMA10 — Parallel Master Port Address 10 |
| Broche 32 | PMRD — Parallel Master Port Read Strobe |
| Broche 33 | VSS — Ground reference |
| Broche 34 | VDD — Digital supply 3.3V |
| Broche 35 | PMWR — Parallel Master Port Write Strobe |
| Broche 36 | PMCS — Parallel Master Port Chip Select |
| Broche 37 | AN0 — Analog Input 0 / GPIO |
| Broche 38 | AN1 — Analog Input 1 / GPIO |
| Broche 39 | AN2 — Analog Input 2 / GPIO |
| Broche 40 | AN3 — Analog Input 3 / GPIO |
| Broche 41 | AN4 — Analog Input 4 / GPIO |
| Broche 42 | AN5 — Analog Input 5 / GPIO |
| Broche 43 | AN6 — Analog Input 6 / GPIO |
| Broche 44 | AN7 — Analog Input 7 / GPIO |
| Broche 45 | AN8 — Analog Input 8 / GPIO |
| Broche 46 | AN9 — Analog Input 9 / GPIO |
| Broche 47 | AVSS — Analog ground |
| Broche 48 | AVDD — Analog supply 3.3V |
| Broche 49 | AN10 — Analog Input 10 / GPIO |
| Broche 50 | AN11 — Analog Input 11 / GPIO |
| Broche 51 | AN12 — Analog Input 12 / GPIO |
| Broche 52 | AN13 — Analog Input 13 / GPIO |
| Broche 53 | AN14 — Analog Input 14 / GPIO |
| Broche 54 | AN15 — Analog Input 15 / GPIO |
| Broche 55 | AN16 — Analog Input 16 / GPIO |
| Broche 56 | AN17 — Analog Input 17 / GPIO |
| Broche 57 | AN18 — Analog Input 18 / GPIO |
| Broche 58 | AN19 — Analog Input 19 / GPIO |
| Broche 59 | VSS — Ground reference |
| Broche 60 | VDD — Digital supply 3.3V |
| Broche 61 | OC1 — Output Compare 1 / GPIO |
| Broche 62 | OC2 — Output Compare 2 / GPIO |
| Broche 63 | OC3 — Output Compare 3 / GPIO |
| Broche 64 | OC4 — Output Compare 4 / GPIO |
| Broche 65 | OC5 — Output Compare 5 / GPIO |
| Broche 66 | OC6 — Output Compare 6 / GPIO |
| Broche 67 | OC7 — Output Compare 7 / GPIO |
| Broche 68 | OC8 — Output Compare 8 / GPIO |
| Broche 69 | IC1 — Input Capture 1 / GPIO |
| Broche 70 | IC2 — Input Capture 2 / GPIO |
| Broche 71 | IC3 — Input Capture 3 / GPIO |
| Broche 72 | IC4 — Input Capture 4 / GPIO |
| Broche 73 | INT0 — External Interrupt 0 / GPIO |
| Broche 74 | INT1 — External Interrupt 1 / GPIO |
| Broche 75 | INT2 — External Interrupt 2 / GPIO |
| Broche 76 | T1CK — Timer1 Clock Input / GPIO |
| Broche 77 | T2CK — Timer2 Clock Input / GPIO |
| Broche 78 | T3CK — Timer3 Clock Input / GPIO |
| Broche 79 | VSS — Ground reference |
| Broche 80 | VDD — Digital supply 3.3V |
| Broche 81 | U1RX — UART1 Receive / GPIO (PPS) |
| Broche 82 | U1TX — UART1 Transmit / GPIO (PPS) |
| Broche 83 | U2RX — UART2 Receive / GPIO (PPS) |
| Broche 84 | U2TX — UART2 Transmit / GPIO (PPS) |
| Broche 85 | U3RX — UART3 Receive / GPIO (PPS) |
| Broche 86 | U3TX — UART3 Transmit / GPIO (PPS) |
| Broche 87 | SDO1 — SPI1 Data Out / GPIO (PPS) |
| Broche 88 | SDI1 — SPI1 Data In / GPIO (PPS) |
| Broche 89 | SCK1 — SPI1 Clock / GPIO (PPS) |
| Broche 90 | SS1 — SPI1 Slave Select / GPIO (PPS) |
| Broche 91 | SDO2 — SPI2 Data Out / GPIO (PPS) |
| Broche 92 | SDI2 — SPI2 Data In / GPIO (PPS) |
| Broche 93 | SCK2 — SPI2 Clock / GPIO (PPS) |
| Broche 94 | SS2 — SPI2 Slave Select / GPIO (PPS) |
| Broche 95 | SDA1 — I2C1 Data / GPIO (PPS) |
| Broche 96 | SCL1 — I2C1 Clock / GPIO (PPS) |
| Broche 97 | SDA2 — I2C2 Data / GPIO (PPS) |
| Broche 98 | SCL2 — I2C2 Clock / GPIO (PPS) |
| Broche 99 | VSS — Ground reference |
| Broche 100 | VDD — Digital supply 3.3V |
| Broche 101 | CAN1RX — CAN1 Receive / GPIO (PPS) |
| Broche 102 | CAN1TX — CAN1 Transmit / GPIO (PPS) |
| Broche 103 | CAN2RX — CAN2 Receive / GPIO (PPS) |
| Broche 104 | CAN2TX — CAN2 Transmit / GPIO (PPS) |
| Broche 105 | DPLUS — USB D+ data line |
| Broche 106 | DMINUS — USB D- data line |
| Broche 107 | VBUS — USB VBUS sense input |
| Broche 108 | VUSB — USB internal transceiver supply |
| Broche 109 | DPDT — USB OTG DPDT switch control |
| Broche 110 | RPGEC — ICSP programming clock |
| Broche 111 | RPGED — ICSP programming data |
| Broche 112 | MCLR — Master Clear reset input (active low) |
| Broche 113 | VSS — Ground reference |
| Broche 114 | VDD — Digital supply 3.3V |
| Broche 115 | OSC1 — Crystal oscillator input |
| Broche 116 | OSC2 — Crystal oscillator output |
| Broche 117 | SOSC1 — Secondary crystal oscillator input (32.768 kHz) |
| Broche 118 | SOSC2 — Secondary crystal oscillator output |
| Broche 119 | REFCLKO — Reference clock output / GPIO |
| Broche 120 | RTCC1 — RTCC output / GPIO |
| Broche 121 | CN0 — Change Notification input 0 / GPIO |
| Broche 122 | CN1 — Change Notification input 1 / GPIO |
| Broche 123 | CN2 — Change Notification input 2 / GPIO |
| Broche 124 | CN3 — Change Notification input 3 / GPIO |
| Broche 125 | CN4 — Change Notification input 4 / GPIO |
| Broche 126 | CN5 — Change Notification input 5 / GPIO |
| Broche 127 | CN6 — Change Notification input 6 / GPIO |
| Broche 128 | CN7 — Change Notification input 7 / GPIO |
| Broche 129 | VSS — Ground reference |
| Broche 130 | VDD — Digital supply 3.3V |
| Broche 131 | GPIO0 — General-purpose I/O 0 |
| Broche 132 | GPIO1 — General-purpose I/O 1 |
| Broche 133 | GPIO2 — General-purpose I/O 2 |
| Broche 134 | GPIO3 — General-purpose I/O 3 |
| Broche 135 | GPIO4 — General-purpose I/O 4 |
| Broche 136 | GPIO5 — General-purpose I/O 5 |
| Broche 137 | GPIO6 — General-purpose I/O 6 |
| Broche 138 | GPIO7 — General-purpose I/O 7 |
| Broche 139 | GPIO8 — General-purpose I/O 8 |
| Broche 140 | GPIO9 — General-purpose I/O 9 |
| Broche 141 | GPIO10 — General-purpose I/O 10 |
| Broche 142 | GPIO11 — General-purpose I/O 11 |
| Broche 143 | TDO — JTAG Test Data Out |
| Broche 144 | TDI — JTAG Test Data In |
Applications typiques
PIC24EP256GU814-I/PH convient pour 7 applications: Industrial BLDC Motor Control, USB-CAN Industrial Gateway, Automotive Body and Comfort ECU, Digital Power Conversion (PFC, LLC), Sensor Fusion Platform, Embedded HMI Controller, Medical Monitoring Device Controller.
Industrial BLDC Motor Control
The PIC24EP256GU814-I/PH's 70 MIPS core with single-cycle MAC and four 16-bit timers makes it well suited for field-oriented control (FOC) of BLDC and PMSM motors in industrial drives. Its 12-bit ADC sampling at 500 ksps captures back-EMF and phase currents at the PWM switching frequency without aliasing, while the high-resolution PWM module generates complementary 3-phase outputs with programmable dead time. With USB OTG and dual CAN integrated, the same MCU runs the motor loop and exposes diagnostics to factory networks.
Recommandé
USB-CAN Industrial Gateway
The PIC24EP256GU814-I/PH integrates USB 2.0 Full-Speed OTG and two independent CAN 2.0B controllers on a single die, enabling compact USB-to-CAN or CAN-to-CAN bridge gateways for factory automation. The 4-channel DMA sustains USB Full-Speed 12 Mbps traffic while the CPU services CAN arbitration and acceptance filtering without packet loss. The 52 KB SRAM holds large CAN receive buffers, and the 70 MIPS core runs upper-layer protocols such as CANopen or J1939 in firmware.
Recommandé
Automotive Body and Comfort ECU
Automotive body controllers for seat adjustment, mirror folding, and climate zones benefit from the PIC24EP256GU814-I/PH's dual CAN interfaces, PWM channels, and ADC bank, all running from a single 3.3V rail. The 83 GPIO pins drive multiple loads directly and the Peripheral Pin Select feature simplifies PCB routing by remapping digital peripherals to any available I/O. The -40C to +85C industrial temperature rating suits under-dash cabin environments; for harsher under-hood placement, Microchip's AEC-Q100-qualified dsPIC variants are recommended.
Recommandé
Digital Power Conversion (PFC, LLC)
The PIC24EP256GU814-I/PH drives bridgeless PFC and resonant LLC converters where the 70 MIPS core executes average-current-mode control loops at 100 kHz switching with margin for adaptive control. The high-speed 12-bit ADC captures inductor current and input voltage simultaneously, while 4-channel DMA offloads sample sequencing so the CPU focuses on loop math. Peripheral Pin Select lets the engineer assign PWM outputs and ADC triggers to convenient pins for clean PCB layout.
Recommandé
Sensor Fusion Platform
Multi-sensor data aggregation platforms use the PIC24EP256GU814-I/PH's 70 MIPS throughput to combine IMU, pressure, and temperature streams via SPI/I2C while pushing pre-processed data over USB or CAN. The 52 KB SRAM holds rolling sensor buffers and the 4-channel DMA sustains 1 MSPS SPI transfers from external ADCs without CPU stalls. PPS routing keeps the mixed-signal PCB layout flexible, and the 12-bit ADC provides backup measurement for system diagnostics.
Recommandé
Embedded HMI Controller
The PIC24EP256GU814-I/PH drives small TFT-LCD HMI panels via PMP/EPMP, GPIO, and timer peripherals while the USB OTG exposes the touch interface to host PCs for firmware upload. The 256 KB Flash holds graphical assets and the 52 KB SRAM serves as the frame buffer for displays up to QVGA resolution. The high-resolution PWM module backlight-dims without flicker, and CAN connectivity lets the HMI panel talk to a larger CAN network in industrial equipment.
Recommandé
Medical Monitoring Device Controller
The PIC24EP256GU814-I/PH's deterministic interrupt response and 70 MIPS core make it a candidate for patient monitoring peripherals such as infusion pump controllers, pulse-oximetry front-ends, and bedside alert panels. The 12-bit ADC samples sensor signals at 500 ksps with low noise, and the USB OTG allows easy PC connectivity for data logging. The industrial temperature range and proven PIC24E architecture support the reliability expectations of medical device manufacturers.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC24EP256GU814-I/PH — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC24EP512GU814-I/PH | PIC24EP128GU814-I/PH | PIC24EP256GP806-I/PH | dsPIC33EP256MU810-I/PH | dsPIC33EP256GM310-I/PH | DSPIC33EP512GM710-I | PIC24EP512GU810-I/PH |
|---|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 144-pin TQFP (PH) 16x16 mm | 144-pin TQFP (PH) - same | 144-pin TQFP (PH) - same | 144-pin TQFP (PH) - same | 144-pin TQFP (PH) - same | 144-pin TQFP (PH) - same | 144-pin TQFP (PH) - same | 144-pin TQFP (PH) - same |
| Core Architecture | PIC24E (16-bit MCU) | PIC24E (same) | PIC24E (same) | PIC24E (same) | dsPIC33EP (DSC with DSP) | dsPIC33EP (DSC with DSP) | dsPIC33EP (DSC with DSP) | PIC24E (same) |
| Flash Memory | 256 KB | 512 KB | 128 KB | 256 KB | 256 KB | 256 KB | 512 KB | 512 KB |
| Maximum CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| USB OTG | Yes (USB 2.0 FS) | Yes (same) | Yes | No | Yes (USB 2.0 FS) | No | No | No |
| CAN Modules | 2 (CAN 2.0B) | 2 (same) | 2 | 1 | 2 | 1 | 2 | 2 |
| GPIO Pins | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 83 |
| Supply Voltage | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V |
Principaux différenciateurs
- Integrated USB OTG plus dual CAN on a 16-bit MCU (vs PIC24EP256GP806-I/PH)
- Higher Flash density than lower-tier GU814 variants (vs PIC24EP128GU814-I/PH)
- MCU simplicity versus DSC upgrade path (vs dsPIC33EP256MU810-I/PH)
Notes de conception
Operate the PIC24EP256GU814-I/PH from a regulated 3.0V to 3.6V supply. Place a 10 uF bulk capacitor plus a 0.1 uF ceramic bypass on every VDD/VSS pin pair to suppress switching noise. The AVDD/AVSS pins drive the ADC; route AVDD through a ferrite bead from VDD and place a 10 uF + 0.1 uF decoupling network within 5 mm of the AVDD pin. Avoid sharing the analog ground return with high-current digital loads to prevent ADC reference contamination.
Route the 144-pin TQFP with at least 4 inner ground planes and keep crystal traces (OSC1/OSC2, SOSC1/SOSC2) under 10 mm. Place the main 8 MHz or 12 MHz crystal within 5 mm of OSC1/OSC2 with a ground guard ring. The USB D+/D- lines must be 90 ohm differential with no stubs and routed to the connector on the same layer. Keep the ICSP PGEC/PGED pair short and add a 20 pF capacitor between PGEC and VSS for robust in-circuit programming as recommended by Microchip errata notes.
Do not exceed 3.6V on VDD or apply reverse polarity; the PIC24EP256GU814-I/PH lacks internal reverse protection. Verify Peripheral Pin Select (PPS) mapping during code bring-up - misconfigured PPS locks peripherals silently. Configure the JTAG/MSDAP pins (TDO/TDI) as GPIO if JTAG is unused, otherwise floating inputs can cause unintended current draw. The MCLR pin requires a 10 kohm pull-up to VDD and a 100 nF capacitor to ground for in-circuit programming; omitting the cap causes programming failures.
Separate analog and digital ground planes with a single-point stitch under the AVDD decoupling network. Place the 12-bit ADC traces away from PWM switching lines by at least 3 trace widths. The four DMA channels can sustain high-throughput ADC and SPI transfers - assign dedicated DMA channels to ADC1 and SPI1/SPI2 for deterministic latency in motor control or sensor-fusion loops.
Informations de conformité
Microchip PIC24EP family is RoHS and REACH compliant per the manufacturer product page. The /PH variant is industrial-grade (-40C to +85C), not AEC-Q100 qualified - for AEC-Q100 automotive applications, Microchip recommends the dsPIC33EP AEC-Q100 variants. Lead-free and halogen-free confirmed in the datasheet mechanical section.
