PIC24FJ64GA002-E/SO - 16-bit 32MHz 64KB Flash MCU | Microchip
MPN: PIC24FJ64GA002-E/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.95 | $5.95 |
| 10 | $5.36 | $53.60 |
| 100 | $4.76 | $476.00 |
| 500 | $4.29 | $2,145.00 |
| 1,000 | $3.81 | $3,810.00 |
PIC24FJ64GA002-E/SO Overview
A 16-bit microcontroller is a microprocessor core with a 16-bit data path, instruction set, and registers, offering a balance between 8-bit simplicity and 32-bit performance. In the semiconductor taxonomy, the PIC24FJ64GA002 sits within microcontrollers -> embedded processors -> integrated circuits. The 16-bit MCU family (PIC24) is the bridge tier between Microchip's 8-bit PIC16/PIC18 lines and 32-bit PIC32 parts, giving designers substantially more compute headroom and addressable memory than 8-bit parts without the complexity of a 32-bit ARM Cortex-M core.
Key features include 16 MIPS performance at 32MHz CPU clock, 64KB self-programmable Flash with EEPROM emulation, 8KB SRAM, a 10-bit ADC with up to 13 analog channels, 5x16-bit timers, two UART modules, two SPI modules, and an I2C module. The -E suffix indicates the extended temperature grade (-40C to +125C), making the part suitable for industrial and harsh-environment designs.
Technically, the PIC24FJ64GA002 uses a modified Harvard architecture with a 16-bit datapath, 24-bit instructions, and a hardware multiplier that performs a 16x16-bit multiplication in one cycle. The device runs from 2.0V to 3.6V and supports nanoWatt sleep modes that drop quiescent current into the microamp range, enabling battery-powered designs.
Typical applications include industrial sensor nodes, low-power IoT endpoints, motor control front-ends, USB device interfaces (with on-chip USB 2.0 full-speed transceiver in select variants), home automation controllers, and educational/prototyping boards. The 28-pin SOIC wide-body footprint makes hand-soldering and rework straightforward for hobbyists and small-volume production.
When designing with this part, note that the 'E' suffix denotes the extended temperature grade (different from the -I grade which runs -40C to +85C). Engineers targeting AEC-Q100 automotive qualification should select a different PIC24F variant. For programming, Microchip's MPLAB X IDE with the XC16 compiler is the canonical toolchain; ICD 3 and PICkit 4 programmers/debuggers are supported out of the box.
This page synthesizes distributor pricing, parametric alternatives, and practical design considerations for the PIC24FJ64GA002-E/SO beyond the manufacturer datasheet, including a direct comparison with the closely related PIC24FJ64GA002-I/SO and PIC24FJ32GA002-E/SO drop-in equivalents.
Drop-in alternatives for PIC24FJ64GA002-E/SO — 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 PIC24FJ64GA002-E/SO (same form factor and footprint) — differing in Package, Operating Temperature, ADC, MSL Level, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ64GA002-I/SO
✅ Drop-In✓ In Stock
$3.78 / Unit
View Datasheet →PIC24FJ32GA002-E/SO
✅ Drop-In✓ In Stock
$2.45 / Unit
View Datasheet →PIC24FJ48GA002-E/SO
✅ Drop-In✓ In Stock
$2.55 / Unit
View Datasheet →PIC24FJ128GA002-E/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24FJ64GA002-E/SO Maximum Ratings & Electrical Characteristics
| Core | PIC24F 16-bit RISC |
| Architecture | Modified Harvard |
| Instruction Set | 16-bit data path, 24-bit instructions |
| Maximum CPU Speed | 32 MHz |
| Performance | 16 MIPS |
| Program Memory (Flash) | 64 KB (22K x 24 words) |
| Data Memory (RAM) | 8 KB |
| Operating Voltage | 2.0 V to 3.6 V |
| ADC | 10-bit, up to 13 channels |
| Timers | 5 x 16-bit |
| UART Modules | 2 |
| SPI Modules | 2 |
| I2C Modules | 1 |
| Operating Temperature | -40C to +125C (extended 'E' grade) |
| Package | 28-pin SOIC Wide (SO) |
| Mounting Type | Surface Mount |
| MSL Level | 1 |
| RoHS Status | Compliant |
PIC24FJ64GA002-E/SO Pin Configuration
| Pin 1 | MCLR — Master Clear (reset) input, active low |
| Pin 2 | RA0 — Port A bit 0 / analog input |
| Pin 3 | RA1 — Port A bit 1 / analog input |
| Pin 4 | RB0 — Port B bit 0 / programming clock |
| Pin 5 | RB1 — Port B bit 1 / programming data |
| Pin 6 | RB2 — Port B bit 2 |
| Pin 7 | RB3 — Port B bit 3 |
| Pin 8 | VSS — Ground reference |
| Pin 9 | OSC1 — Crystal oscillator input |
| Pin 10 | OSC2 — Crystal oscillator output |
| Pin 11 | RB4 — Port B bit 4 |
| Pin 12 | RA2 — Port A bit 2 / analog input |
| Pin 13 | RA3 — Port A bit 3 / analog input |
| Pin 14 | RA4 — Port A bit 4 |
| Pin 15 | AVSS — Analog ground |
| Pin 16 | RA5 — Port A bit 5 / analog input |
| Pin 17 | RA6 — Port A bit 6 |
| Pin 18 | RA7 — Port A bit 7 |
| Pin 19 | AVDD — Analog supply voltage |
| Pin 20 | VDD — Digital supply voltage |
| Pin 21 | RB5 — Port B bit 5 |
| Pin 22 | RB6 — Port B bit 6 / ICSP clock |
| Pin 23 | RB7 — Port B bit 7 / ICSP data |
| Pin 24 | RB8 — Port B bit 8 |
| Pin 25 | RB9 — Port B bit 9 |
| Pin 26 | RC0 — Port C bit 0 |
| Pin 27 | RC1 — Port C bit 1 |
| Pin 28 | RC2 — Port C bit 2 |
Typical Applications
PIC24FJ64GA002-E/SO is suitable for 6 applications: Industrial Sensor Node, Low-Power IoT Endpoint, Motor Control Front-End, Home Automation Controller, Educational and Prototyping Boards, Data Acquisition Module.
Industrial Sensor Node
The PIC24FJ64GA002-E/SO is well suited for industrial sensor nodes where its 16 MIPS performance, 8KB RAM, and dual UART/SPI peripherals allow simultaneous Modbus RTU and SPI sensor reads. The 10-bit ADC with up to 13 channels can sample multiple analog sensors such as temperature, pressure, and 4-20mA loop inputs. The -40C to +125C extended temperature grade ensures reliable operation near motors, PLCs, and outdoor enclosures. According to Microchip's family datasheet, the nanoWatt sleep modes drop quiescent current to a few microamps, enabling battery-backed sensor nodes that sleep between measurement intervals. A typical design pairs the MCU with an RS-485 transceiver on UART1 and an SPI ADC on SPI1, leaving UART2 available for firmware updates or debug logging.
Recommended
Low-Power IoT Endpoint
For battery-powered IoT endpoints the PIC24FJ64GA002-E/SO offers a 2.0V to 3.6V operating range compatible with two-AA cells or a single Li-ion cell. Its nanoWatt sleep modes and fast wake-up time from the 32KB device library allow duty-cycled sensor reporting that extends battery life to months. The 64KB Flash accommodates Over-The-Air (OTA) update bootloaders plus application code, while 8KB RAM handles network protocol buffers such as MQTT or CoAP. The on-chip UART/SPI/I2C interfaces can directly drive wireless modules like the MRF24J40 or LoRa SX1278 transceiver without external bus expanders.
Recommended
Motor Control Front-End
The PIC24FJ64GA002-E/SO can serve as a BLDC or stepper motor control front-end, leveraging its five 16-bit timers to generate PWM signals with microsecond resolution. The hardware multiplier and 16 MIPS throughput allow real-time commutation algorithms, current sensing via the 10-bit ADC, and serial telemetry through UART. The extended -40C to +125C temperature range tolerates the thermal environment inside motor housings and industrial machinery. Designs typically pair the MCU with external gate drivers and current-sense amplifiers; the PIC24F PWM peripheral with complementary outputs and dead-band control simplifies three-phase inverter implementations.
Recommended
Home Automation Controller
In home automation, the PIC24FJ64GA002-E/SO can act as a room-level controller managing lighting, HVAC, and security peripherals over UART, SPI, and I2C. The 64KB Flash easily fits a state-machine-based control scheduler plus Zigbee or Z-Wave bridge firmware, while 8KB RAM supports protocol stacks and event buffers. The 13-channel 10-bit ADC reads analog sensors such as LDR light sensors, NTC thermistors, and potentiometers. The wide 28-pin SOIC footprint allows hand-soldering for prototyping and easy rework during development, which is important for small-scale smart-home product runs.
Recommended
Educational and Prototyping Boards
The PIC24FJ64GA002-E/SO is a popular choice for educational and prototyping boards due to its manageable 28-pin SOIC package and rich peripheral set. Students and makers can experiment with ADC sampling, UART/SPI/I2C communications, and timer-based PWM generation without the cost penalty of larger 100-pin devices. The 64KB Flash provides ample headroom for bootloader experiments and incremental feature development. According to Microchip's documentation, the chip is fully supported by MPLAB X IDE, the XC16 compiler, and PICkit programmers, making it ideal for university curricula and hobbyist projects.
Recommended
Data Acquisition Module
For data acquisition modules, the PIC24FJ64GA002-E/SO combines a 10-bit ADC with up to 13 input channels, dual UART for sensor and host communications, and SPI for connecting to external high-speed ADCs. The 8KB RAM can buffer acquisition bursts while the 64KB Flash stores configuration tables and calibration coefficients. The wide -40C to +125C temperature range allows deployment in outdoor or factory environments. According to Microchip's datasheet, the ADC supports automatic channel scanning, reducing CPU overhead during multi-channel sweep measurements.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ64GA002-E/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ64GA002-I/SO | PIC24FJ32GA002-E/SO | PIC24FJ48GA002-E/SO |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-pin SOIC Wide | 28-pin SOIC Wide (same) | 28-pin SOIC Wide (same) | 28-pin SOIC Wide (same) |
| Flash Memory | 64 KB | 64 KB (same) | 32 KB (-50%) | 48 KB (-25%) |
| RAM | 8 KB | 8 KB (same) | 8 KB (same) | 8 KB (same) |
| Maximum CPU Clock | 32 MHz | 32 MHz (same) | 32 MHz (same) | 32 MHz (same) |
| Operating Temperature | -40C to +125C (Extended 'E') | -40C to +85C (Industrial 'I') | -40C to +125C (Extended 'E') | -40C to +125C (Extended 'E') |
| Operating Voltage | 2.0V to 3.6V | 2.0V to 3.6V (same) | 2.0V to 3.6V (same) | 2.0V to 3.6V (same) |
| ADC | 10-bit, up to 13 channels | 10-bit, up to 13 channels (same) | 10-bit, up to 13 channels (same) | 10-bit, up to 13 channels (same) |
| USB Peripheral | No (GA family) | No (same) | No (same) | No (same) |
Key Differentiators
- Extended -40C to +125C temperature grade (vs PIC24FJ64GA002-I/SO)
- Double the Flash memory of PIC24FJ32GA002 (vs PIC24FJ32GA002-E/SO)
- 28-pin SOIC easy-to-solder package (vs PIC24FJ64GA004 (44-pin TQFP))
Design Notes
Decouple VDD with a 10uF bulk capacitor close to the pin and a 0.1uF ceramic bypass as close to the MCU supply pin as possible. Place the AVDD/AVSS analog supply rail filters (typically 10 ohm ferrite plus 10uF/0.1uF) to keep ADC noise low. The PIC24FJ64GA002-E/SO operates from 2.0V to 3.6V; ensure your LDO has at least 200mV of headroom below 3.6V to avoid regulator dropout during transients.
Route the MCLR pin with a short trace to the reset pull-up resistor and decoupling capacitor to minimize noise injection. The OSC1/OSC2 crystal traces should be short, symmetric, and surrounded by a ground pour to avoid coupling noise into the system clock. Avoid routing high-speed switching signals (PWM, SPI clock) directly parallel to the ADC analog input traces to prevent digital-to-analog crosstalk.
Do not assume the 28-pin and 44-pin variants share pinouts - the PIC24FJ64GA004 has more I/O pins in a larger package. Verify the device configuration bits (FOSC, FWDT, etc.) in your code before locking the MCU, as incorrect config bits are a common cause of bricked boards that cannot be reprogrammed without an ICD. According to Microchip's documentation, the -E grade and -I grade have identical electrical behavior; the only difference is the operating temperature window.
Compliance Information
RoHS and lead-free compliant per Microchip product page. The -E grade is industrial extended temperature, not AEC-Q100 qualified. For automotive, choose a dedicated PIC24F AEC-Q100 variant such as PIC24FJ64GA004-I/PT.
