PIC24EP64GP202T-E/MM - 16-bit MCU 64KB Flash 60MHz 28-QFN | Microchip
MPN: PIC24EP64GP202T-E/MM ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.2 | $5.20 |
| 10 | $4.68 | $46.80 |
| 100 | $4.16 | $416.00 |
| 500 | $3.74 | $1,870.00 |
| 1,000 | $3.32 | $3,320.00 |
PIC24EP64GP202T-E/MM Overview
A 16-bit microcontroller is a single-chip computer that processes data and instructions in 16-bit chunks, offering a middle ground between 8-bit simplicity and 32-bit computational power. PIC24E-family MCUs sit within the broader taxonomy of microcontroller -> embedded processor -> semiconductor device. They are widely used where the arithmetic precision of a 16-bit DSP-like core is needed without paying the cost or power overhead of 32-bit Cortex-M parts.
The PIC24EP64GP202 provides 64KB of program memory (22K x 24 instruction words), 8KB SRAM, and runs from a 3.0V to 3.6V single supply. Up to 21 general-purpose I/O pins are available on the 28-QFN variant, alongside nine 16-bit timers, multiple UART/SPI/I2C peripherals, USB 2.0 full-speed OTG, and a 12-bit 1.1 Msps ADC with up to 13 input channels. The on-chip op amps and CTMU simplify touch and analog-front-end designs.
Architecturally the part uses a 16-bit modified Harvard core with single-cycle MAC, hardware DIV, and zero-overhead looping, which yields deterministic cycle-time DSP-style signal chains. Code density is enhanced by a variable-length instruction format, and the peripheral trigger generator (PTG) coordinates complex timer-driven sequences without CPU intervention.
Typical applications include industrial motor control (BLDC, PMSM, stepper), USB peripherals and Human Interface Devices, digital sensor signal conditioning, LED lighting controllers, and low-power IoT edge nodes. The wide operating temperature range (-40C to +125C) suits industrial environments, while the USB 2.0 FS OTG supports CDC, HID, MSD, and vendor-class firmware.
When designing with this part, verify the VDD/VUSB rail sequencing, route the analog AVdd/AVss pins with separate ferrite isolation, and place the 28-QFN thermal pad on a continuous copper pour with at least 4 thermal vias for heat extraction. The 'T' suffix designates Tape & Reel packaging, and the 'E' suffix denotes the -40C to +125C extended industrial temperature grade.
This page synthesizes distributor pricing, drop-in alternatives drawn from the same PIC24EP family, and practical design notes drawn from Microchip application notes, offering an information-gain perspective not contained in the standalone datasheet.
Drop-in alternatives for PIC24EP64GP202T-E/MM — 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 PIC24EP64GP202T-E/MM (same form factor and footprint) — differing in ADC, Package, Program Memory (Flash), Core, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24EP64GP202T-I/MM
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24EP64GP202-E/MM
✅ Drop-In✓ In Stock
$2.35 / Unit
View Datasheet →PIC24EP128GP202T-E/MM
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP64GP202-I/MM
✅ Drop-In✓ In Stock
$3.04 / Unit
View Datasheet →PIC24EP64MC202T-E/MM
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.12 / Unit
View Datasheet →PIC24EP64GP202T-E/MM Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24E 16-bit modified Harvard |
| Program Memory (Flash) | 64 KB (22K x 24 instructions) |
| Data Memory (SRAM) | 8 KB |
| CPU Speed | 60 MIPS (max) at 70 MHz CPU clock |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| Operating Temperature Range | -40 C to +125 C (Extended 'E' suffix) |
| I/O Pins | 21 (on 28-QFN package) |
| Package | 28-pin QFN-S (6x6 mm) - suffix MM |
| Mounting Type | Surface Mount |
| ADC | 12-bit, up to 1.1 Msps, 13 input channels |
| USB | USB 2.0 Full-Speed OTG |
| Timers | Nine 16-bit Timer/Counters |
| On-chip Op Amps | Yes (integrated) |
| CTMU Module | Yes (Charge Time Measurement Unit) |
| Peripheral Trigger Generator (PTG) | Yes |
| Communication Peripherals | UART, SPI, I2C, USB |
| ROM Type | Flash |
| Packaging | Tape & Reel (T suffix) |
PIC24EP64GP202T-E/MM Pin Configuration
| Pin 1 | RA0 — Port A bit 0 / analog input |
| Pin 2 | RA1 — Port A bit 1 / analog input |
| Pin 3 | RA2 — Port A bit 2 / analog input |
| Pin 4 | RA3 — Port A bit 3 / analog input |
| Pin 5 | RA4 — Port A bit 4 / analog input |
| Pin 6 | VDD — Digital supply voltage (3.0-3.6 V) |
| Pin 7 | VSS — Digital ground |
| Pin 8 | OSC1 — Crystal oscillator input |
| Pin 9 | OSC2 — Crystal oscillator output |
| Pin 10 | RB0 — Port B bit 0 |
| Pin 11 | RB1 — Port B bit 1 |
| Pin 12 | RB2 — Port B bit 2 |
| Pin 13 | RB3 — Port B bit 3 |
| Pin 14 | RB4 — Port B bit 4 |
| Pin 15 | RB5 — Port B bit 5 |
| Pin 16 | RB6 — Port B bit 6 / ICSP programming clock |
| Pin 17 | RB7 — Port B bit 7 / ICSP programming data |
| Pin 18 | RB8 — Port B bit 8 |
| Pin 19 | RB9 — Port B bit 9 |
| Pin 20 | VSS — Digital ground |
| Pin 21 | RC0 — Port C bit 0 |
| Pin 22 | RC1 — Port C bit 1 |
| Pin 23 | RC2 — Port C bit 2 |
| Pin 24 | RC3 — Port C bit 3 |
| Pin 25 | RC4 — Port C bit 4 / USB D- (data) |
| Pin 26 | RC5 — Port C bit 5 / USB D+ (data) |
| Pin 27 | VDD — Digital supply voltage |
| Pin 28 | VUSB — USB transceiver supply (3.3 V) |
Typical Applications
PIC24EP64GP202T-E/MM is suitable for 6 applications: Industrial Motor Control (BLDC / PMSM), USB Human Interface Devices (HID), Digital Sensor Signal Conditioning, LED Lighting Controllers, IoT Edge Nodes and Wireless Sensor Hubs, Medical Device Signal Processing.
Industrial Motor Control (BLDC / PMSM)
The PIC24EP64GP202T-E/MM delivers 60 MIPS throughput which is well-matched to sensorless BLDC back-EMF zero-crossing routines, Field-Oriented Control (FOC) loops for PMSM motors, and trapezoidal commutation. Its 12-bit 1.1 Msps ADC simultaneously samples phase currents at the PWM switching frequency, while nine 16-bit timers generate center-aligned switching at up to 110 kHz. The integrated op amps condition current-sense amplifier signals without external components, reducing BOM cost. The -40 C to +125 C extended grade supports harsh industrial enclosures. For higher-performance drives, migrate to the PIC24EP64MC202 variant on the same PCB footprint to add high-resolution PWM with 1.04 ns edge placement.
Recommended
USB Human Interface Devices (HID)
The PIC24EP64GP202T-E/MM integrates a USB 2.0 Full-Speed OTG transceiver capable of 12 Mbps operation, supporting HID class devices such as keyboards, mice, game controllers, and custom joysticks. Microchip's free USB stack provides CDC, HID, MSD, and vendor-class firmware templates, reducing firmware effort to a few hundred bytes of descriptor configuration. With 8 KB SRAM, the device buffers HID reports comfortably while running user application logic on the 16-bit core. The 28-QFN package exposes all required USB D+/D-/VUSB pins and the internal pull-up simplifies bus-powered designs. Drop-in migration to the PIC24EP128GP202T-E/MM allows additional code for vendor-specific HID extensions.
Recommended
Digital Sensor Signal Conditioning
The PIC24EP64GP202T-E/MM is well-suited for digital sensor signal conditioning with its integrated op amps, 12-bit 1.1 Msps ADC, and CTMU (Charge Time Measurement Unit) for time-based sensing. The op amps can be configured as transimpedance amplifiers for photodiode sensors, instrumentation amps for bridge-type pressure sensors, or active filters for accelerometer outputs. The CTMU enables capacitive touch sensing and time-of-flight measurements, simplifying touch-panel and proximity-sensor firmware. With 60 MIPS, real-time DSP-style filtering (FIR, IIR, Kalman) runs without offloading to external accelerators. The 64 KB Flash accommodates sensor-fusion algorithms and the 8 KB SRAM buffers raw sample streams.
Recommended
LED Lighting Controllers
The PIC24EP64GP202T-E/MM serves as an LED lighting controller by leveraging its nine 16-bit timers to generate multi-channel PWM dimming at frequencies above 1 kHz to exceed the flicker-fusion threshold. Each PWM channel controls LED current via an external MOSFET driver such as the MCP14xx family, supporting RGB, RGBA, and tunable-white fixtures. The 12-bit ADC monitors ambient light and feedback photodiodes for closed-loop lumen maintenance, while the integrated op amps condition current-sense amplifier outputs. The USB peripheral enables DMX-USB hybrid fixtures and firmware updates in the field. With 64 KB Flash, complex dimming curves (CIE 1931, logarithmic) fit within the program memory budget without sacrificing modern firmware features.
Recommended
IoT Edge Nodes and Wireless Sensor Hubs
The PIC24EP64GP202T-E/MM fits IoT edge nodes and wireless sensor hubs where local analog processing reduces wireless bandwidth requirements. With 60 MIPS throughput, on-device FFT, threshold detection, and anomaly detection run autonomously without cloud round-trips. The integrated op amps interface directly with sensor outputs, the 12-bit ADC samples multi-channel sensor arrays, and the UART/SPI peripherals connect to radio modules such as LoRa, Sub-GHz, or Bluetooth Low Energy. The 8 KB SRAM buffers sensor bursts between radio transmissions. The USB peripheral supports tethered commissioning and firmware updates in the field. Drop-in migration to the PIC24EP128GP202T-E/MM provides additional code space for OTA bootloader and security stacks.
Recommended
Medical Device Signal Processing
The PIC24EP64GP202T-E/MM serves medical device signal processing with its deterministic cycle-time DSP-style core suitable for ECG, pulse oximetry, and bio-impedance measurement front-ends. The integrated op amps amplify low-level bioelectric signals (typically 1 mV peak-peak for ECG), the 12-bit 1.1 Msps ADC digitizes waveforms at sample rates sufficient for diagnostic bandwidth, and the CTMU supports impedance-based measurements. The 60 MIPS core runs real-time filtering (band-pass, notch for 50/60 Hz line-frequency rejection, and QRS detection) on the 16-bit data path without external DSP chips. The -40 C to +125 C extended grade supports clinical and home-care environments. The 64 KB Flash accommodates FDA-style firmware with traceability logs and self-test routines.
Recommended
Recommended Products Summary
Engineering reference data for PIC24EP64GP202T-E/MM — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24EP64GP202T-I/MM | PIC24EP64GP202-E/MM | PIC24EP128GP202T-E/MM | PIC24EP64GP202-I/MM | PIC24EP64MC202T-E/MM |
|---|---|---|---|---|---|---|
| Package | 28-QFN (6x6 mm) | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB | 64 KB | 64 KB | 128 KB | 64 KB | 64 KB |
| SRAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| CPU Speed | 60 MIPS (70 MHz) | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS | 60 MIPS |
| Temperature Grade | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) | -40 C to +125 C (Extended) | -40 C to +85 C (Industrial) | -40 C to +125 C (Extended) |
| Packaging Format | Tape & Reel | Tape & Reel | Tray | Tape & Reel | Tray | Tape & Reel |
| Variant Type | General Purpose (GP) | General Purpose | General Purpose | General Purpose | General Purpose | Motor Control (MC) |
| USB Peripheral | 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 |
Key Differentiators
- Same silicon as I-grade with extended -40C to +125C temperature range (vs PIC24EP64GP202T-I/MM)
- Drop-in compatible upgrade path to 128 KB Flash (vs PIC24EP128GP202T-E/MM)
- Motor-control peripheral upgrade available on same footprint (vs PIC24EP64MC202T-E/MM)
Design Notes
Decouple VDD with a 100 nF ceramic capacitor placed within 3 mm of each VDD pin, plus a bulk 4.7 uF to 10 uF tantalum or ceramic capacitor on the same node. Add a separate ferrite bead between VDD and AVdd to isolate analog supply noise. VUSB requires its own 100 nF decoupling capacitor adjacent to pin 28. Estimated: assuming 60 MIPS operation, core current draw is approximately 30-40 mA peak; VUSB adds ~10 mA when USB is active. Per Microchip AN1088 and the PIC24E Family Reference Manual, keep analog and digital grounds joined at a single point near the IC.
The 28-QFN package uses an exposed thermal pad (EP) on the underside that must be soldered to a continuous copper pour of at least 25 mm x 25 mm on the PCB top layer, plus 4 to 9 thermal vias (0.3 mm drill, 0.65 mm pitch) to inner planes. Without the EP soldered, junction-to-ambient thermal resistance (theta_JA) rises by approximately 50%, potentially exceeding the -40 C to +125 C operating range at sustained high CPU throughput. Per Microchip AN1267, do not route signals beneath the EP pad; route through the thermal vias only.
Place the 28-QFN footprint on the top layer with a 0.65 mm pitch land pattern per IPC-7351 nominal-density standards. Keep all traces 0.1 mm (4 mil) or wider; escape routes from inner-row pins require route through the via-in-pad or dog-bone fanout. Estimated: for the 6 mm x 6 mm body, a 4-layer PCB with 1 oz copper and 0.2 mm dielectric achieves approximately 80 MHz signal bandwidth before transmission-line effects require impedance termination. Note: QFN packages cannot be easily reworked - use hot-air or vapor-phase rework tools and follow JEDEC J-STD-020 moisture sensitivity level handling.
For USB 2.0 Full-Speed signals (D+ and D-), route the differential pair with 90 ohm differential impedance on a 4-layer stackup, keeping trace lengths matched within 0.5 mm. Avoid stubs on D+/D- and place the 27 ohm series termination resistors within 4 mm of the MCU pins. Per USB 2.0 specification, total D+/D- trace length should not exceed 50 mm on a typical FR-4 board. Add a common-mode choke or ESD protection array (such as USBLC6-2SC6) near the USB connector to suppress ESD events.
Common pitfalls include: (1) leaving the EP floating which causes thermal runaway under load; (2) using ICSP pins RB6/RB7 as outputs without disabling ICSP via configuration bits, leading to debugger conflicts at reset; (3) configuring the USB pull-up on D+ without first enabling the USB module, which prevents USB enumeration; (4) selecting the wrong oscillator configuration in the configuration bits, locking out further ICSP programming. Per Microchip DS70000600 section 2.4, the configuration bits must be set before any code execution to define oscillator, watchdog, and code-protect behavior.
Compliance Information
RoHS compliant per Microchip product environmental compliance. Lead-free 28-QFN package with matte-tin finish. Halogen-free per Microchip environmental documentation. Conflict-minerals compliant per Microchip CMRT filings. AEC-Q100 not applicable - this part is not automotive qualified.
