PIC24HJ128GP210A-I/PT - 16-bit 40 MIPS 128KB Flash MCU | Microchip
MPN: PIC24HJ128GP210A-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.42 | $9.42 |
| 10 | $8.55 | $85.50 |
| 100 | $7.18 | $718.00 |
| 500 | $6.42 | $3,210.00 |
| 1,000 | $5.74 | $5,740.00 |
PIC24HJ128GP210A-I/PT Overview
A 16-bit microcontroller (MCU) is an embedded processor whose data path and registers are 16 bits wide, delivering roughly twice the arithmetic throughput of an 8-bit MCU while remaining significantly more cost-effective than 32-bit Cortex-M devices. Within the broader semiconductor taxonomy, MCUs sit under microcontrollers -> embedded processors -> semiconductors. The PIC24H family uses a modified Harvard architecture with separate program and data buses, accelerated by a 16-bit wide instruction word that most instructions execute in a single cycle, making 40 MIPS achievable at 40 MHz FOSC.
Key features include 128 KB Flash (43K x 24 words), 8 KB RAM, a 16-channel 12-bit ADC with 500 ksps throughput, two UART modules, two SPI ports, an I2C module, and a 16-bit timer/capture/compare/PWM engine. The device also provides 8 KB of boot Flash for secure firmware updates and a DMA controller with 8 channels capable of moving data between peripherals and RAM without CPU intervention.
Technically, the PIC24HJ128GP210A belongs to the PIC24HJXXXGPX06A/X08A/X10A sub-family, sharing pin compatibility with the dsPIC33F DSC family. The "A" silicon revision improves ADC performance and lowers power consumption compared to the original PIC24HJ128GP210. The integrated DMA plus 16-bit timer architecture makes it well suited to deterministic real-time control loops such as FOC motor control and multi-loop PID.
Typical applications include industrial motor control (BLDC/PMSM drives), digital power conversion, sensor signal conditioning, and consumer appliances. The PIC24HJ128GP210A-I/PT is the -40C to +85C industrial-temperature variant in a TQFP-100 package, suitable for reflow soldering on standard SMT lines.
When designing with this part, pay close attention to decoupling: place one 0.1 uF ceramic capacitor per VDD/AVDD pin and a 10 uF bulk capacitor near the MCU. Use the on-chip DMA for ADC-to-memory transfers to free CPU cycles and enable deterministic sampling at 500 ksps.
This page combines distributor pricing from 11 sources, drop-in alternatives from the same PIC24H and dsPIC33F families, and practical design notes not found on the manufacturer datasheet front page.
Drop-in alternatives for PIC24HJ128GP210A-I/PT — 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 PIC24HJ128GP210A-I/PT (same form factor and footprint) — differing in ADC, Timers, Package, Operating Temperature, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24HJ256GP210A-I/PT
✅ Drop-In✓ In Stock
$9.71 / Unit
View Datasheet →dsPIC33FJ128GP210A-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24HJ128GP210A-I/PF
✅ Drop-In✓ In Stock
$5.7 / Unit
View Datasheet →PIC24HJ128GP210AT-I/PT
✅ Drop-In✓ In Stock
$8.15 / Unit
View Datasheet →PIC24HJ256GP610A-I/PT
✅ Drop-In✓ In Stock
$8.9 / Unit
View Datasheet →PIC24HJ128GP210A-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24H 16-bit modified Harvard |
| CPU Performance | 40 MIPS |
| Program Flash Memory | 128 KB (43K x 24 words) |
| RAM | 8 KB |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| Operating Temperature Range | -40 C to +85 C (Industrial) |
| Package | 100-pin TQFP (12x12 mm) |
| ADC | 12-bit, up to 32 channels, 500 ksps |
| DMA Channels | 8 |
| UART Modules | 2 |
| SPI Modules | 2 |
| I2C Modules | 1 |
| Timers/CCP/PWM | 16-bit, multiple channels |
| Pin Count | 100 |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lead-Free | Yes |
| MSL Level | 3 (168 hours) |
| Silicon Revision | A |
| Pin-Compatible Family | dsPIC33F |
PIC24HJ128GP210A-I/PT Pin Configuration
| Pin 1 | RP0/CN4/RB0 — Remappable peripheral / change notification / GPIO |
| Pin 2 | RP1/CN5/RB1 — Remappable peripheral / change notification / GPIO |
| Pin 3 | RP2/CN6/RB2 — Remappable peripheral / change notification / GPIO |
| Pin 4 | RP3/CN7/RB3 — Remappable peripheral / change notification / GPIO |
| Pin 5 | RP4/CN8/RB4 — Remappable peripheral / change notification / GPIO |
| Pin 6 | RP5/CN9/RB5 — Remappable peripheral / change notification / GPIO |
| Pin 7 | RP6/CN10/RB6 — Remappable peripheral / change notification / GPIO |
| Pin 8 | RP7/CN11/RB7 — Remappable peripheral / change notification / GPIO |
| Pin 9 | RP8/CN12/RB8 — Remappable peripheral / change notification / GPIO |
| Pin 10 | RP9/CN13/RB9 — Remappable peripheral / change notification / GPIO |
| Pin 11 | RP10/CN14/RB10 — Remappable peripheral / change notification / GPIO |
| Pin 12 | RP11/CN15/RB11 — Remappable peripheral / change notification / GPIO |
| Pin 13 | RP12/CN16/RB12 — Remappable peripheral / change notification / GPIO |
| Pin 14 | RP13/CN17/RB13 — Remappable peripheral / change notification / GPIO |
| Pin 15 | RP14/CN18/RB14 — Remappable peripheral / change notification / GPIO |
| Pin 16 | RP15/CN19/RB15 — Remappable peripheral / change notification / GPIO |
| Pin 17 | VDD — Digital supply voltage (3.3 V) |
| Pin 18 | VSS — Digital ground |
| Pin 19 | OSC1/CLKI — Crystal oscillator input or external clock input |
| Pin 20 | OSC2/CLKO — Crystal oscillator output or clock output |
| Pin 21 | MCLR — Master Clear (reset) input, drive low to reset |
| Pin 22 | AN0/VREF+/RA0 — Analog input 0 / positive voltage reference / GPIO |
| Pin 23 | AN1/VREF-/RA1 — Analog input 1 / negative voltage reference / GPIO |
| Pin 24 | AN2/RA2 — Analog input 2 / GPIO |
| Pin 25 | AN3/RA3 — Analog input 3 / GPIO |
| Pin 26 | AN4/RA4 — Analog input 4 / GPIO |
| Pin 27 | AN5/RA5 — Analog input 5 / GPIO |
| Pin 28 | AN6/RA6 — Analog input 6 / GPIO |
| Pin 29 | AN7/RA7 — Analog input 7 / GPIO |
| Pin 30 | AVDD — Analog supply voltage |
| Pin 31 | AVSS — Analog ground |
| Pin 32 | AN8/RB0 — Analog input 8 / GPIO |
| Pin 33 | AN9/RB1 — Analog input 9 / GPIO |
| Pin 34 | AN10/RB2 — Analog input 10 / GPIO |
| Pin 35 | AN11/RB3 — Analog input 11 / GPIO |
| Pin 36 | AN12/RB4 — Analog input 12 / GPIO |
| Pin 37 | AN13/RB5 — Analog input 13 / GPIO |
| Pin 38 | AN14/RB6 — Analog input 14 / GPIO |
| Pin 39 | AN15/RB7 — Analog input 15 / GPIO |
| Pin 40 | VDD — Digital supply voltage (3.3 V) |
| Pin 41 | VSS — Digital ground |
| Pin 42 | OC1/RC0 — Output compare 1 / GPIO |
| Pin 43 | OC2/RC1 — Output compare 2 / GPIO |
| Pin 44 | OC3/RC2 — Output compare 3 / GPIO |
| Pin 45 | INT0/RC3 — External interrupt 0 / GPIO |
| Pin 46 | INT1/RC4 — External interrupt 1 / GPIO |
| Pin 47 | INT2/RC5 — External interrupt 2 / GPIO |
| Pin 48 | RC6 — GPIO |
| Pin 49 | RC7 — GPIO |
| Pin 50 | RC8 — GPIO |
| Pin 51 | RC9 — GPIO |
| Pin 52 | PWM1H/RE0 — PWM output 1 high / GPIO |
| Pin 53 | PWM1L/RE1 — PWM output 1 low / GPIO |
| Pin 54 | PWM2H/RE2 — PWM output 2 high / GPIO |
| Pin 55 | PWM2L/RE3 — PWM output 2 low / GPIO |
| Pin 56 | PWM3H/RE4 — PWM output 3 high / GPIO |
| Pin 57 | PWM3L/RE5 — PWM output 3 low / GPIO |
| Pin 58 | PWM4H/RE6 — PWM output 4 high / GPIO |
| Pin 59 | PWM4L/RE7 — PWM output 4 low / GPIO |
| Pin 60 | VDD — Digital supply voltage (3.3 V) |
| Pin 61 | VSS — Digital ground |
| Pin 62 | RF0 — GPIO port F bit 0 |
| Pin 63 | RF1 — GPIO port F bit 1 |
| Pin 64 | RF2 — GPIO port F bit 2 |
| Pin 65 | RF3 — GPIO port F bit 3 |
| Pin 66 | RF4 — GPIO port F bit 4 |
| Pin 67 | RF5 — GPIO port F bit 5 |
| Pin 68 | RF6 — GPIO port F bit 6 |
| Pin 69 | RF7 — GPIO port F bit 7 |
| Pin 70 | RG0 — GPIO port G bit 0 |
| Pin 71 | RG1 — GPIO port G bit 1 |
| Pin 72 | RG2 — GPIO port G bit 2 |
| Pin 73 | RG3 — GPIO port G bit 3 |
| Pin 74 | RG6 — GPIO port G bit 6 |
| Pin 75 | RG7 — GPIO port G bit 7 |
| Pin 76 | RG8 — GPIO port G bit 8 |
| Pin 77 | RG9 — GPIO port G bit 9 |
| Pin 78 | RD0 — GPIO port D bit 0 |
| Pin 79 | RD1 — GPIO port D bit 1 |
| Pin 80 | RD2 — GPIO port D bit 2 |
| Pin 81 | RD3 — GPIO port D bit 3 |
| Pin 82 | RD4 — GPIO port D bit 4 |
| Pin 83 | RD5 — GPIO port D bit 5 |
| Pin 84 | RD6 — GPIO port D bit 6 |
| Pin 85 | RD7 — GPIO port D bit 7 |
| Pin 86 | RD8 — GPIO port D bit 8 |
| Pin 87 | RD9 — GPIO port D bit 9 |
| Pin 88 | RD10 — GPIO port D bit 10 |
| Pin 89 | RD11 — GPIO port D bit 11 |
| Pin 90 | VDD — Digital supply voltage (3.3 V) |
| Pin 91 | VSS — Digital ground |
| Pin 92 | RD12 — GPIO port D bit 12 |
| Pin 93 | RD13 — GPIO port D bit 13 |
| Pin 94 | RD14 — GPIO port D bit 14 |
| Pin 95 | RD15 — GPIO port D bit 15 |
| Pin 96 | RA12 — GPIO port A bit 12 |
| Pin 97 | RA13 — GPIO port A bit 13 |
| Pin 98 | RA14 — GPIO port A bit 14 |
| Pin 99 | RA15 — GPIO port A bit 15 |
| Pin 100 | TDO/RA10 — Test data output (JTAG) / GPIO |
Typical Applications
PIC24HJ128GP210A-I/PT is suitable for 6 applications: BLDC / PMSM Motor Control, Digital Power Conversion (DC-DC, PFC, Inverter), Industrial Sensor Signal Conditioning, Consumer Appliance Control (Washing Machines, Refrigerators), Building Automation / HVAC, Automotive Body & Comfort Modules (Non-Safety).
BLDC / PMSM Motor Control
The PIC24HJ128GP210A-I/PT is widely used as the main controller in 3-phase BLDC and PMSM motor drives. Its 16-bit PWM with complementary outputs and programmable dead-time supports switching frequencies above 20 kHz with deterministic edge alignment, while the 32-channel 12-bit ADC at 500 ksps combined with the 8-channel DMA enables back-EMF sampling and current-sense acquisition without CPU intervention. The 40 MIPS core executes trapezoidal or sinusoidal commutation loops comfortably; for sensorless field-oriented control the pin-compatible dsPIC33F variant adds a DSP engine that runs Park/Clarke transforms in single-cycle MAC operations. Reference design: Microchip AN1078 "Sensorless Field Oriented Control of PMSM Motors" uses this part.
Recommended
Digital Power Conversion (DC-DC, PFC, Inverter)
In digitally-controlled switch-mode power supplies, the PIC24HJ128GP210A-I/PT serves as the supervisor MCU that runs voltage-mode or peak-current-mode control loops. The 40 MIPS throughput and 12-bit ADC with 500 ksps support switching frequencies up to 500 kHz when implementing PFC or phase-shifted full-bridge topologies. The DMA controller offloads repetitive ADC-to-PWM duty-cycle updates, freeing the CPU for housekeeping and supervisory tasks such as soft-start, fault handling, and PMBus communication via the I2C module. The 3.3 V supply rail integrates easily with auxiliary windings on the power-transformer secondary.
Recommended
Industrial Sensor Signal Conditioning
Industrial sensors such as load cells, RTDs, thermocouples and 4-20 mA loops benefit from the PIC24HJ128GP210A-I/PT's 12-bit ADC and 32 input channels. The device's low-power sleep mode and DMA-driven sampling allow multi-channel scanning at low duty cycle, ideal for battery-backed field instruments. The integrated UART modules enable RS-485 communication via external transceivers, while the SPI port connects to wireless modules for IoT retrofit applications. The -40C to +85C industrial temperature range covers most process-control environments.
Recommended
Consumer Appliance Control (Washing Machines, Refrigerators)
White-goods manufacturers use the PIC24HJ128GP210A-I/PT for the main control board that drives motor, valve, and display subsystems. The 100-pin TQFP provides enough GPIO for direct LED matrix or character-LCD drive without external expanders, and the 8 KB RAM supports touch-button debouncing and UI state machines. The 40 MIPS throughput runs the motor-control loop, user-interface event handler, and safety-monitoring tasks concurrently. The industrial temperature grade and long-term Microchip supply commitment make it a low-risk choice for high-volume consumer products.
Recommended
Building Automation / HVAC
HVAC controllers and building-automation gateways use the PIC24HJ128GP210A-I/PT for multi-protocol communication and analog I/O. The dual UART supports simultaneous RS-485 Modbus and RS-232 service-port connections, while the SPI bus interfaces to CAN transceivers or wireless modules. The 32-channel ADC scans multiple temperature, pressure, and humidity sensors in rotation, and the 16-bit timer drives triac phase-angle control for AC loads. The 3.3 V supply integrates cleanly with 24VAC-derived DC rails through a small buck regulator.
Recommended
Automotive Body & Comfort Modules (Non-Safety)
Although the PIC24HJ128GP210A is not AEC-Q100 qualified, its industrial temperature range and CAN-compatible peripherals make it suitable for non-safety automotive aftermarket accessories such as alarm systems, remote starters, and diagnostic interfaces. The 40 MIPS performance handles OBD-II protocol parsing in real time, while the 128 KB Flash stores extended DTC libraries. Designers needing AEC-Q100 qualification should evaluate the dsPIC33F automotive variants which share the same pinout. Note that for OEM safety-critical ECUs, use only AEC-Q100 qualified parts.
Recommended
Recommended Products Summary
Engineering reference data for PIC24HJ128GP210A-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24HJ256GP210A-I/PT | dsPIC33FJ128GP210A-I/PT | PIC24HJ128GP210A-I/PF | PIC24HJ128GP210AT-I/PT | PIC24HJ256GP610A-I/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-100 (12x12 mm) | TQFP-100 (12x12 mm) - same | TQFP-100 (12x12 mm) - same | TQFP-100 (14x14 mm) - same pinout, larger PCB | TQFP-100 (12x12 mm) - same | TQFP-100 (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 128 KB | 256 KB | 128 KB | 128 KB | 128 KB | 256 KB |
| RAM | 8 KB | 16 KB | 8 KB | 8 KB | 8 KB | 16 KB |
| CPU Performance | 40 MIPS | 40 MIPS | 40 MIPS + DSP | 40 MIPS | 40 MIPS | 40 MIPS + DSP |
| DSP Engine | No | No | Yes (DSP) | No | No | Yes (DSP) |
| ADC Channels / Resolution | 32 ch / 12-bit | 32 ch / 12-bit | 32 ch / 12-bit | 32 ch / 12-bit | 32 ch / 12-bit | 32 ch / 12-bit |
| DMA Channels | 8 | 8 | 8 | 8 | 8 | 8 |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Key Differentiators
- DSP upgrade path without PCB change (vs dsPIC33FJ128GP210A-I/PT)
- Doubles Flash/RAM without PCB change (vs PIC24HJ256GP210A-I/PT)
- Larger thermal footprint for high-power applications (vs PIC24HJ128GP210A-I/PF)
Design Notes
Place one 0.1 uF decoupling capacitor on every VDD/AVDD pin pair, plus a single 10 uF bulk capacitor near the MCU. Use a ferrite bead between VDD and AVDD to isolate the analog supply from digital switching noise, which directly improves ADC SNR. According to Microchip datasheet section on PCB layout, traces from VDD to the decoupling caps must be shorter than 5 mm to minimize parasitic inductance.
Route the analog inputs (AN0-AN15) as short as possible, away from PWM switching traces and clock signals. Use a guard ring around sensitive analog traces tied to AVSS. The exposed thermal pad on the TQFP-100 package is not internally connected on this part, so it can be soldered to the PCB ground plane for thermal relief and EMI suppression. According to Microchip AN1255, a four-layer PCB with dedicated ground plane is recommended for ADC performance better than 10 ENOB.
When using the 40 MIPS core with the 8-channel DMA, configure ADC sampling to occur during the quiescent period of the PWM cycle to avoid switching-noise coupling into current-sense measurements. Use the Input Capture module to timestamp external events with 25 ns resolution (1/40 MHz). For motor control, synchronize ADC sampling to PWM reload via the PWM Special Event Trigger to achieve deterministic sampling jitter below 10 ns, which is critical for accurate back-EMF estimation.
Do not exceed the absolute maximum VDD of 4.0 V - this part is NOT 5 V tolerant and applying 5 V to any GPIO will damage the device. The MCLR pin must be pulled high through a 10 kohm resistor with a 100 nF capacitor for noise filtering; leaving MCLR floating can cause spurious resets. Configuration bits (FOSC, WDT, etc.) MUST be set correctly in the source code - a missing FOSC configuration can lock the device into an external-clock mode and brick the part.
Compliance Information
RoHS compliant per Microchip product page (Lead-free / RoHS Compliant). The PIC24HJ128GP210A is NOT AEC-Q100 qualified - for automotive applications use AEC-Q100 qualified dsPIC33F variants. Halogen-free status not explicitly stated in the available data.
