PIC24EP64GP203-I/M5 - 16-bit 70 MIPS MCU 64KB Flash 36-VTLA | Microchip
MPN: PIC24EP64GP203-I/M5 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.62 | $5.62 |
| 10 | $5.05 | $50.50 |
| 100 | $4.49 | $449.00 |
| 500 | $3.93 | $1,965.00 |
| 1,000 | $3.37 | $3,370.00 |
PIC24EP64GP203-I/M5 Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O. The PIC24E family sits in the dsPIC/PIC24 16-bit DSC architecture family within Microchip's broader 8/16/32-bit MCU portfolio. PIC24E devices add high-performance peripherals such as high-speed PWM, operational amplifiers, comparators, CTMU (Charge Time Measurement Unit), and the Peripheral Trigger Generator (PTG) for advanced timing and signal-conditioning tasks. The 70 MIPS core delivers excellent performance and code density for high-end general-purpose embedded applications.
Key features include 64 KB (22K x 24) of Flash with self-programmability, 8 KB of RAM, a 16-bit CPU with hardware multiply/divide, three on-chip op-amps, four comparators, a 12-bit ADC with up to 16 channels (depending on variant), CTMU for touch and time measurement, and the Peripheral Trigger Generator. The 36-VTLA package has only 5x5 mm board area, ideal for space-constrained designs. Industrial-grade -40C to +85C operation, plus rich connectivity including I2C, SPI, UART, and high-speed PWM make it suitable for motor control and digital power conversion.
Typical applications include digital power conversion (PFC, LLC, full-bridge converters), high-performance motor control (sensorless FOC, BLDC/PMSM drives), advanced sensor conditioning (using the on-chip op-amps, CTMU, and comparators), industrial control and automation, and LED lighting controllers. The CTMU enables cost-effective capacitive touch interfaces, and the PTG allows autonomous peripheral sequencing without CPU intervention for deterministic timing in safety-relevant loops.
When designing with this part, follow Microchip's recommended decoupling scheme: a 100 nF low-ESR ceramic placed within 2 mm of each power pair, plus a bulk 4.7-10 uF tantalum or ceramic on the main supply. Use Microchip's MPLAB X IDE and MPLAB XC16 compiler for firmware development; pick ICD 3 or PICkit 4 for in-circuit programming and debugging.
Drop-in alternatives for PIC24EP64GP203-I/M5 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
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View Datasheet →PIC24EP32GP203-I/M5
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dsPIC33EP64GP203-I/M5
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PIC24EP64GP203-I/M5 Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24E 16-bit DSC core |
| CPU Core Performance | 70 MIPS |
| Program Memory | 64 KB Flash (22K x 24 words) |
| Data Memory (SRAM) | 8 KB |
| Operating Voltage (Vdd) | 3.0 V to 3.6 V |
| Operating Temperature Range | -40C to +85C (Industrial) |
| Package | 36-pin VTLA (5x5 mm) |
| Mounting Type | Surface Mount |
| On-chip Op-Amps | 3 |
| On-chip Comparators | 4 |
| CTMU | Yes (Charge Time Measurement Unit) |
| Peripheral Trigger Generator (PTG) | Yes |
| ADC | 12-bit SAR |
| Communication Interfaces | I2C, SPI, UART |
| High-Speed PWM | Yes |
| DMA Channels | Yes (per device family) |
| Lead-Free / RoHS | Lead-free / RoHS compliant |
PIC24EP64GP203-I/M5 Pin Configuration
| Pin 1 | VDD — Digital supply voltage (3.0–3.6 V) |
| Pin 2 | RA0 — GPIO / analog input / op-amp / peripheral pin select |
| Pin 3 | RA1 — GPIO / analog input / op-amp / peripheral pin select |
| Pin 4 | RA2 — GPIO / analog input / op-amp / peripheral pin select |
| Pin 5 | RA3 — GPIO / analog input / op-amp / peripheral pin select |
| Pin 6 | RA4 — GPIO / analog input / peripheral pin select |
| Pin 7 | AVDD — Analog supply voltage (3.0–3.6 V) |
| Pin 8 | AVSS — Analog ground |
| Pin 9 | RB0 — GPIO / PGEDx programming data |
| Pin 10 | RB1 — GPIO / PGECx programming clock |
| Pin 11 | RB2 — GPIO / peripheral pin select |
| Pin 12 | RB3 — GPIO / peripheral pin select |
| Pin 13 | RB4 — GPIO / peripheral pin select |
| Pin 14 | RB5 — GPIO / peripheral pin select |
| Pin 15 | RB6 — GPIO / peripheral pin select |
| Pin 16 | RB7 — GPIO / peripheral pin select |
| Pin 17 | RC0 — GPIO / peripheral pin select |
| Pin 18 | RC1 — GPIO / peripheral pin select |
| Pin 19 | RC2 — GPIO / peripheral pin select |
| Pin 20 | RC3 — GPIO / peripheral pin select |
| Pin 21 | RC4 — GPIO / peripheral pin select |
| Pin 22 | RC5 — GPIO / peripheral pin select |
| Pin 23 | RC6 — GPIO / peripheral pin select |
| Pin 24 | RC7 — GPIO / peripheral pin select |
| Pin 25 | RD0 — GPIO / peripheral pin select |
| Pin 26 | RD1 — GPIO / peripheral pin select |
| Pin 27 | RD2 — GPIO / peripheral pin select |
| Pin 28 | RD3 — GPIO / peripheral pin select |
| Pin 29 | RD4 — GPIO / peripheral pin select |
| Pin 30 | RD5 — GPIO / peripheral pin select |
| Pin 31 | RD6 — GPIO / peripheral pin select |
| Pin 32 | RD7 — GPIO / peripheral pin select |
| Pin 33 | VSS — Digital ground |
| Pin 34 | OSCI — Crystal oscillator input / external clock |
| Pin 35 | OSCO — Crystal oscillator output |
| Pin 36 | MCLR — Master clear (reset, active-low) |
Typical Applications
PIC24EP64GP203-I/M5 is suitable for 6 applications: Digital Power Conversion (PFC/LLC), Sensorless BLDC / PMSM Motor Control, Industrial Sensor Signal Conditioning, LED Lighting Controllers, Capacitive Touch HMI, General Industrial Control & Automation.
Digital Power Conversion (PFC/LLC)
The PIC24EP64GP203-I/M5 fits digital power conversion because its 70 MIPS core closes voltage and current control loops within sub-microsecond intervals while the on-chip 12-bit ADC samples feedback signals synchronously to the PWM. The PTG lets the device sequence ADC sampling, comparator triggering, and PWM updates autonomously, offloading CPU work for deterministic switching-frequency operation. Compared with a software-only loop on a slower MCU, the GP203's hardware PWM+ADC trigger reduces jitter to a few tens of nanoseconds. Per the Microchip PIC24E family datasheet, three on-chip op-amps and four comparators directly condition current-shunt signals. This combination suits 200W–2kW PFC and LLC converter controllers where deterministic switching is critical.
Recommended
Sensorless BLDC / PMSM Motor Control
The PIC24EP64GP203-I/M5 is well-matched to sensorless BLDC and PMSM motor drives: three on-chip op-amps condition phase-current shunt signals, four comparators detect BEMF zero-cross events for rotor position estimation, and high-speed PWM drives a three-phase inverter at 20–100 kHz. The 70 MIPS core runs sensorless FOC algorithms in real time, while the CTMU provides accurate timing for thermal protection. Per the Microchip product page, the GP203 variant is the general-purpose sister of the PIC24EP64MC203 motor-control variant. The 36-VTLA (5x5 mm) footprint keeps the entire controller board under 25 mm × 25 mm, ideal for compact fan, pump, and e-bike drives.
Recommended
Industrial Sensor Signal Conditioning
The PIC24EP64GP203-I/M5 is suitable for industrial sensor signal conditioning thanks to its three on-chip op-amps, four comparators, and 12-bit ADC that together form a complete analog front-end on a single chip. The op-amps amplify low-level bridge or thermocouple signals, comparators detect threshold crossings for alarms, and the ADC digitises the result. The CTMU enables capacitive touch and humidity-sensing interfaces without external components. Per Microchip datasheet, the industrial -40C to +85C temperature range supports factory-floor deployment. The compact 36-VTLA package fits inside sealed sensor housings.
Recommended
LED Lighting Controllers
The PIC24EP64GP203-I/M5 fits high-end LED lighting controllers that need precise dimming and color-mixing control. The 70 MIPS core runs DMX-512, DALI, or 0–10 V dimming protocols, while the high-speed PWM channels generate 16-bit color-mixing PWM at audio-beyond frequencies to eliminate flicker. The CTMU enables capacitive touch sliders for lighting control panels. Per Microchip PIC24E family datasheet, the 8 KB RAM is sufficient for color-space conversion and gamma correction. The 3.0–3.6 V supply is compatible with step-down converters from the 12/24 V LED bus.
Recommended
Capacitive Touch HMI
The PIC24EP64GP203-I/M5 integrates a Charge Time Measurement Unit (CTMU) that simplifies capacitive touch-button and slider implementation without external touch ICs. The 70 MIPS core runs the touch-scanning firmware and the host protocol, while 8 KB RAM and 64 KB Flash accommodate mTouch libraries and application code. The on-chip op-amps can be reused as analog front-ends for additional sensing. Per Microchip's mTouch documentation, this device supports up to 16 touch channels with 1 ms scan rates. The 36-VTLA package suits small appliance control panels.
Recommended
General Industrial Control & Automation
The PIC24EP64GP203-I/M5 serves general industrial control and automation as a mid-range control MCU combining deterministic real-time performance and rich peripherals. The 70 MIPS core runs PLC-style ladder logic or state machines, the high-speed PWM drives solenoids and valves, and the UART/SPI/I2C interfaces connect to sensors and actuators. Per Microchip's product page, the -I industrial temperature grade supports -40C to +85C factory-floor deployment. The 64 KB Flash is ample for communication stacks (Modbus RTU, CANOpen slave) plus application logic, and the 36-VTLA package fits in DIN-rail mounted modules.
Recommended
Recommended Products Summary
Engineering reference data for PIC24EP64GP203-I/M5 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24EP64GP202-I/M5 | PIC24EP64GP203-I/TL | PIC24EP32GP203-I/M5 | PIC24EP64MC203-I/M5 | dsPIC33EP64GP203-I/M5 |
|---|---|---|---|---|---|---|
| Package | 36-VTLA (5x5 mm) | 36-VTLA (5x5 mm) - same | 36-VTLA (5x5 mm) - same | 36-VTLA (5x5 mm) - same | 36-VTLA (5x5 mm) - same | 36-VTLA (5x5 mm) - same |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Flash Memory | 64 KB | 32 KB (-50%) | 64 KB - same | 32 KB (-50%) | 64 KB - same | 64 KB - same |
| RAM | 8 KB | 8 KB - same | 8 KB - same | 8 KB - same | 8 KB - same | 8 KB - same |
| Core / MIPS | PIC24E 16-bit / 70 MIPS | PIC24E 16-bit / 70 MIPS | PIC24E 16-bit / 70 MIPS | PIC24E 16-bit / 70 MIPS | PIC24E MC 16-bit / 70 MIPS | dsPIC33 DSC 16-bit / 70 MIPS |
| On-chip Op-Amps | 3 | 3 - same | 3 - same | 3 - same | 3 - same | 3 - same |
| On-chip Comparators | 4 | 4 - same | 4 - same | 4 - same | 4 - same | 4 - same |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
Key Differentiators
- Compact 5x5 mm VTLA with full PIC24E feature integration (vs PIC24EP64GP202-I/M5)
- General-purpose variant vs Motor Control variant (vs PIC24EP64MC203-I/M5)
- On-chip op-amps + comparators eliminate external analog front-end (vs Discrete op-amp + MCU solution)
Design Notes
Place a 100 nF low-ESR ceramic decoupling capacitor within 2 mm of every VDD/AVDD pair, plus a 4.7–10 uF bulk capacitor on the main VDD rail. Separate analog (AVSS) and digital ground (VSS) planes and join them at a single point under the IC. The PIC24E core draws transient currents up to ~50 mA at 70 MIPS, so inadequate decoupling can cause ADC sampling errors in motor-control applications. Per Microchip's PIC24E datasheet section on power considerations, poor decoupling degrades ADC SNR by 3-5 dB.
Route the crystal traces (OSCI/OSCO) as short as possible (<10 mm) and shield them with a guard ground. Place the crystal within 5 mm of the MCU and avoid routing analog signals beneath it to prevent coupling. The 5x5 mm VTLA package has a thermal pad that requires several vias (typically 5-9) to a bottom heat-spreader layer for adequate thermal dissipation. Use a 4-layer PCB for motor control to keep digital switching noise away from sensitive analog op-amp inputs.
Do not assume any GPIO is 5V tolerant - the PIC24EP64GP203-I/M5 is a 3.3V-only MCU and inputs above VDD+0.3V can damage the IC. Always level-shift signals from 5V peripherals using a resistive divider or dedicated level shifter. Also, the MCLR pin must have a pull-up resistor (typically 10 kΩ) and a 100 nF capacitor for noise immunity, or the MCU may reset spuriously. Per the Microchip datasheet, missing the MCLR capacitor leads to reset glitches in electrically noisy motor-control environments.
Compliance Information
Lead-free / RoHS compliant per Microchip product page. The -I suffix denotes industrial temperature grade (-40C to +85C), not automotive AEC-Q100. For AEC-Q100 qualified variants consult Microchip's automotive product family.
