PIC24HJ12GP202T-I/SS - 16-bit MCU 40MIPS 12KB Flash | Microchip
MPN: PIC24HJ12GP202T-I/SS ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.57 | $25.70 |
| 100 | $2.28 | $228.00 |
| 500 | $2.04 | $1,020.00 |
| 1,000 | $1.83 | $1,830.00 |
| 3,000 | $1.65 | $4,950.00 |
PIC24HJ12GP202T-I/SS Overview
What is a PIC24H microcontroller? A 16-bit MCU (microcontroller unit) is a programmable processor that integrates CPU, memory, and peripherals on a single die. The PIC24H family is Microchip's high-performance 16-bit DSC/MCU line, positioned between 8-bit PIC16/PIC18 parts and 32-bit PIC32 parts in the taxonomy: 16-bit MCU -> microcontroller -> embedded processor -> semiconductor. The "H" denotes hardware multiply and divide support, making PIC24H parts suitable for digital signal processing and control loops.
Key features of this device include a 16-bit modified Harvard CPU, 21 general-purpose I/O pins, a 10-bit ADC (12-bit in some configurations per the manufacturer datasheet), four 16-bit timers, an input capture module, output compare module, two UART modules, one SPI module, and one I2C module. The "nanoWatt" power-management technology provides multiple power-down modes for battery-friendly operation, and the device operates from 3.0 V to 3.6 V across -40C to +85C industrial temperature range.
Architecturally, the PIC24HJ12GP202T-I/SS uses a modified Harvard architecture with separate program and data buses, allowing simultaneous instruction fetch and data access. The 40 MIPS throughput and 16-bit DSP-friendly instruction set suit closed-loop control, motor drive, and real-time signal conditioning. Code-compatible scalability within the PIC24H family simplifies migration to higher-pin-count or higher-memory variants such as the PIC24HJ32GP302/304 and PIC24HJ128GPX02/X04 families.
Typical applications include industrial motor control, digital power conversion, sensor signal conditioning, LED lighting control, low-cost motor drives, HVAC actuators, and consumer appliances. The combination of compact SSOP-28 footprint, low power modes, and 40 MIPS throughput targets cost-sensitive 16-bit designs.
When designing with this device, ensure the VDDCORE pin is decoupled with a 10 uF bulk capacitor and a 0.1 uF ceramic placed within 5 mm of the pin. Configure unused I/O as outputs low to minimize current draw, and follow Microchip's MPLAB X IDE and XC16 compiler toolchain for code generation. The device is supported by MPLAB Code Configurator (MCC) for rapid peripheral initialization.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives from the same PIC24H family, and practical design notes that complement the Microchip datasheet 70282E with engineering context suited for selection, sourcing, and PCB-level integration decisions.
Drop-in alternatives for PIC24HJ12GP202T-I/SS — 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 PIC24HJ12GP202T-I/SS (same form factor and footprint) — differing in Package, Timers, Core Architecture, Operating Temperature, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24HJ12GP202-I/SS
✅ Drop-In✓ In Stock
$3.1 / Unit
View Datasheet →PIC24HJ12GP202T-E/SS
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24HJ12GP201T-I/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24HJ12GP202T-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24FJ32KA302T-I/SS
✅ Drop-In📋 Reference alternative (not in catalog)
dsPIC33FJ12GP202T-I/SS
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24HJ12GP202T-I/SS Maximum Ratings & Electrical Characteristics
| Family | PIC24H 16-bit Microcontroller |
| Core Architecture | 16-bit Modified Harvard |
| CPU Speed | 40 MIPS (at 20 MHz FOSC) |
| Program Memory (Flash) | 12 KB (4K x 24) |
| Data RAM | 1 KB (1024 bytes) |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| I/O Pins | 21 |
| ADC | 10-bit / 12-bit (per configuration) |
| Timers | Four 16-bit |
| Communication | 2x UART, 1x SPI, 1x I2C |
| Operating Temperature | -40C to +85C (Industrial) |
| Package | 28-pin SSOP (209 mil) |
| Packaging | Tape and Reel (T suffix) |
| Mounting Type | Surface Mount |
| Power-Saving Modes | nanoWatt (Sleep, Idle, Doze) |
| Pin-Compatible Family | dsPIC33F |
| RoHS Status | Compliant |
PIC24HJ12GP202T-I/SS Pin Configuration
| Pin 1 | SDA/RP9/CN21 — I2C data / remappable peripheral |
| Pin 2 | SCL/RP8/CN20 — I2C clock / remappable peripheral |
| Pin 3 | RP7/CN19/PWM4H — Remappable I/O / PWM output |
| Pin 4 | RP6/CN18/PWM4L — Remappable I/O / PWM output |
| Pin 5 | RP5/CN17/PWM3H — Remappable I/O / PWM output |
| Pin 6 | RP4/CN16/PWM3L — Remappable I/O / PWM output |
| Pin 7 | RP3/CN15/PWM2H — Remappable I/O / PWM output |
| Pin 8 | RP2/CN14/PWM2L — Remappable I/O / PWM output |
| Pin 9 | RP1/CN13/PWM1H — Remappable I/O / PWM output |
| Pin 10 | RP0/CN12/PWM1L — Remappable I/O / PWM output |
| Pin 11 | VSS — Ground reference |
| Pin 12 | OSC1/CLKI — Crystal oscillator input or external clock |
| Pin 13 | OSC2/CLKO — Crystal oscillator output |
| Pin 14 | MCLR — Master Clear (reset) input |
| Pin 15 | PGED2/ANSB0 — ICD programming data / analog input |
| Pin 16 | PGEC2/ANSB1 — ICD programming clock / analog input |
| Pin 17 | AN0/CN2 — Analog input / change notification |
| Pin 18 | AN1/CN3 — Analog input / change notification |
| Pin 19 | AN2/CN4 — Analog input / change notification |
| Pin 20 | AN3/CN5 — Analog input / change notification |
| Pin 21 | VDD — Positive supply voltage (3.0-3.6V) |
| Pin 22 | VSS — Ground reference |
| Pin 23 | U1TX/RP10/CN22 — UART1 TX / remappable I/O |
| Pin 24 | U1RX/RP11/CN23 — UART1 RX / remappable I/O |
| Pin 25 | RP12/CN24/PWM5H — Remappable I/O / PWM output |
| Pin 26 | RP13/CN25/PWM5L — Remappable I/O / PWM output |
| Pin 27 | RP14/CN26/PWM6H — Remappable I/O / PWM output |
| Pin 28 | RP15/CN27/PWM6L — Remappable I/O / PWM output |
Typical Applications
PIC24HJ12GP202T-I/SS is suitable for 6 applications: Brushless DC Motor Control, Digital Power Conversion (DC-DC), Sensor Signal Conditioning Hub, LED Lighting Control, HVAC Actuator and Valve Control, Consumer Appliance Control.
Brushless DC Motor Control
The PIC24HJ12GP202T-I/SS fits BLDC motor control applications thanks to its 40 MIPS throughput and 16-bit PIC24H core. With 25 ns instruction cycles, the MCU can run sensorless back-EMF zero-crossing detection and PI speed-control loops at 20 kHz PWM rates. The four 16-bit timers provide dedicated PWM channels for three-phase inverter control, and the 21 GPIO pins allocate directly to phase enable signals, fault inputs, and Hall-sensor feedback. The 10-bit ADC samples motor current through shunt resistors for torque-loop closure. Combined with the SSOP-28 footprint suitable for compact inverter PCBs, this part targets small BLDC fans, pumps, and appliance drives where cost is critical but DSP-like performance is required.
Recommended
Digital Power Conversion (DC-DC)
The PIC24HJ12GP202T-I/SS suits digital DC-DC converter control with its 40 MIPS throughput, 16-bit arithmetic, and 10-bit ADC for voltage/current sensing. The deterministic instruction timing enables precise PID control loops for buck, boost, and SEPIC topologies operating at 200-500 kHz switching frequencies. The 1 KB RAM supports two-channel control-history buffering and adaptive gain scheduling. With 21 GPIO pins, the MCU can drive PWM outputs for primary switch control, synchronous rectifier timing, and fault-flag handling. Industrial-grade temperature range and nanoWatt power-saving modes extend use to always-on telecom and industrial supply rails.
Recommended
Sensor Signal Conditioning Hub
The PIC24HJ12GP202T-I/SS serves as a sensor-conditioning hub for industrial sensor modules thanks to its 10-bit ADC, two UART channels, and 21 GPIO pins. The MCU can sample multiple analog sensor inputs (thermistors, strain gauges, pressure sensors) at 100 kSPS aggregate rates and process linearization, calibration, and digital filtering in firmware. The two UARTs simplify simultaneous connection to a host controller and a debug port, while the I2C bus supports digital sensor extensions such as accelerometers and gyroscopes. The 12 KB Flash accommodates sensor-fusion routines and protocol stacks for Modbus RTU or LIN slave implementations.
Recommended
LED Lighting Control
The PIC24HJ12GP202T-I/SS drives LED lighting controllers with its 16-bit timers capable of multi-channel PWM generation at high resolution. Each 16-bit timer paired with the output-compare peripheral delivers 16-bit PWM resolution for smooth dimming curves in architectural and stage lighting. The 40 MIPS throughput handles DMX-512 or DALI protocol parsing in real time without dropping frames. With 1 KB RAM, the MCU buffers incoming control commands and supports scene memory. The industrial temperature range suits outdoor architectural lighting enclosures, and the SSOP-28 footprint enables compact driver-board designs.
Recommended
HVAC Actuator and Valve Control
The PIC24HJ12GP202T-I/SS is well matched to HVAC actuator and valve-control applications with its deterministic 25 ns instruction cycle and multiple timers for servo-loop control. The MCU can drive proportional valves, damper actuators, and stepper motors for zone-level temperature regulation, using its 10-bit ADC to read thermistor and pressure-sensor inputs. The two UARTs support Modbus RTU slave communication with HVAC controllers. nanoWatt power-saving modes help meet standby-power regulations, and the -40C to +85C industrial temperature range covers rooftop equipment enclosures and basement mechanical rooms.
Recommended
Consumer Appliance Control
The PIC24HJ12GP202T-I/SS targets consumer appliance designs such as small kitchen appliances, washing-machine sub-modules, and air purifiers with its 40 MIPS performance, 12 KB Flash, and compact SSOP-28 footprint. The MCU handles user-interface scanning via GPIO matrices, drives triac-fired heater or motor loads through optoisolated outputs, and reads sensors for safety shutdown. The I2C bus supports alphanumeric or graphic display modules for user feedback. Industrial-grade temperature range accommodates under-cabinet or garage installations, and the nanoWatt modes help meet standby power regulations for ENERGY STAR-rated appliances.
Recommended
Recommended Products Summary
Engineering reference data for PIC24HJ12GP202T-I/SS — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24HJ12GP202-I/SS | PIC24HJ12GP202T-E/SS | PIC24HJ12GP201T-I/SS | dsPIC33FJ12GP202T-I/SS |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-pin SSOP (209 mil) | 28-pin SSOP - same | 28-pin SSOP - same | 28-pin SSOP - same | 28-pin SSOP - same |
| Core Architecture | PIC24H 16-bit MCU, 40 MIPS | PIC24H 16-bit MCU, 40 MIPS | PIC24H 16-bit MCU, 40 MIPS | PIC24H 16-bit MCU, 40 MIPS | dsPIC33F 16-bit DSC, 40 MIPS with DSP engine |
| Flash Memory | 12 KB | 12 KB | 12 KB | 12 KB | 12 KB |
| RAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Packaging | Tape and Reel | Tube | Tape and Reel | Tape and Reel | Tape and Reel |
| DSP Engine | No | No | No | No | Yes (MAC engine) |
Key Differentiators
- Drop-in Extended temperature variant available in same package (vs PIC24HJ12GP202T-E/SS)
- DSP-capable sibling for signal-processing migration (vs dsPIC33FJ12GP202T-I/SS)
- Lower-cost variant with reduced peripheral set (vs PIC24HJ12GP201T-I/SS)
Design Notes
Decouple VDD with a 10 uF bulk tantalum or ceramic and a 0.1 uF ceramic placed within 5 mm of the supply pin; per Microchip datasheet 70282E. The internal voltage regulator on VDDCORE also requires a 10 uF bulk and 0.1 uF ceramic. Place the bulk capacitors first, then the high-frequency ceramics, and connect grounds to a low-impedance plane. Avoid running noisy switching traces between VDD and the bulk capacitor pads to prevent injection of supply noise into the analog reference.
Route the crystal traces (OSC1/OSC2) symmetrically and keep them short - under 10 mm - to avoid stray capacitance. Place the crystal and load capacitors within 5 mm of the MCU. Surround the oscillator block with a ground guard ring connected to the analog ground plane. The MCLR pin requires a 10 kohm pull-up to VDD and a 100 nF decoupling capacitor; the ICSP connector for PGEx/PGDx should include ESD protection diodes if the connector is exposed to operators.
Do not leave unused I/O pins floating - configure them as digital outputs driving low to minimize shoot-through current. Avoid enabling the on-chip ADC without its dedicated VDDCORE reference - the ADC accuracy depends on a stable analog supply. The configuration bits (FSEC, FOSCSEL, FWDT) must be programmed correctly; an unprogrammed CWDT bit will leave the watchdog active after reset, causing unexpected resets in firmware loops.
Estimated: At maximum operating current (~30 mA active at 40 MIPS, 3.3 V) the device dissipates approximately 0.1 W. With the SSOP-28 package theta_JA of approximately 80 C/W (per Microchip datasheet ECN guidelines), junction-to-ambient temperature rise is approximately 8 C - well within industrial -40C to +85C limits. For closed enclosures without airflow, derate ambient temperature by 10 C to maintain margin.
Compliance Information
RoHS and REACH compliant per Microchip product environmental compliance page. Not AEC-Q100 qualified - for automotive designs consult Microchip's automotive-grade PIC24H variants. Lead-free and halogen-free per Microchip product specifications.
