PIC24FJ128DA206-I/MR - 16-Bit 32MHz MCU w/ 128KB Flash & USB-OTG | Microchip
MPN: PIC24FJ128DA206-I/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.42 | $7.42 |
| 10 | $6.68 | $66.80 |
| 100 | $5.95 | $595.00 |
| 500 | $5.32 | $2,660.00 |
| 1,000 | $4.71 | $4,710.00 |
PIC24FJ128DA206-I/MR Overview
A PIC microcontroller is a microcontroller unit - a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile working memory (SRAM), and a rich peripheral set into one package. The PIC24FJ family uses a 16-bit modified Harvard RISC architecture that delivers roughly 16 MIPS at 32 MHz, occupying a tier between 8-bit AVR/PIC16 parts and 32-bit Cortex-M devices. Within Microchip's portfolio, PIC24F sits in the low-power 16-bit segment, alongside dsPIC33 for digital signal control and PIC32MX/ME for 32-bit applications. PIC24FJ128DA206 sits inside the PIC24FJ 'DA' sub-family, distinguished by its integrated graphics controller and USB-OTG.
Key features include 128 KB self-programmable Flash with EEPROM emulation, 96 KB SRAM, hardware graphics acceleration supporting displays up to 4.3" WQVGA (480x272), a USB 2.0 full-speed OTG transceiver, up to 52 dedicated digital I/O, a 10-bit ADC with up to 16 channels and 500 ksps, two UARTs, two SPI, two I2C, a Real-Time-Clock and Calendar (RTCC), and five 16-bit timers. An integrated CTMU and DMA engine offload touch sensing and data movement from the core.
Typical applications include human-machine interface panels in home appliances, industrial terminals with color TFT LCDs, USB-equipped point-of-sale terminals, medical measurement devices with graphical readouts, automotive infotainment auxiliary displays, and consumer electronics that need both USB device/host connectivity and a graphical UI. The components in this design benefit from the integrated graphics controller and PMP, which directly drive TFT panels.
Designers should note that the 64-pin VQFN package requires careful PCB layout - the exposed thermal pad must be soldered to a sufficiently large copper pour (typically >=1 square inch) for thermal dissipation and electrical ground reference. Decouple VDD/VUSB with 100 nF ceramic capacitors placed within 3 mm of each supply pin.
Drop-in alternatives for PIC24FJ128DA206-I/MR — 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 PIC24FJ128DA206-I/MR (same form factor and footprint) — differing in Package, ADC, Operating Temperature, Program Memory (Flash), Family.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ256DA206-I/MR
✅ Drop-In✓ In Stock
$6.8 / Unit
View Datasheet →PIC24FJ128DA106-I/MR
✅ Drop-In✓ In Stock
$2.4 / Unit
View Datasheet →PIC24FJ256DA210-I/MR
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24FJ128DA206-I/MR Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24F 16-bit RISC (modified Harvard) |
| Family | PIC24FJ 'DA' series (with graphics + USB-OTG) |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Flash Memory | 128 KB (43K x 24 words) |
| SRAM | 96 KB |
| Operating Voltage | 2.0 V to 3.6 V |
| Package | 64-pin VQFN (9x9 mm) with exposed thermal pad |
| USB Controller | USB 2.0 Full-Speed On-The-Go (OTG) |
| Graphics Controller | Integrated, drives up to 4.3" WQVGA (480x272) |
| Parallel Master Port (PMP) | Yes, 16-bit, for direct TFT connection |
| ADC | 10-bit, up to 16 channels, 500 ksps |
| Digital I/O Pins | Up to 52 (multi-function, shared with peripherals) |
| Timers | 5 x 16-bit timers/counters |
| Communication Interfaces | 2x UART, 2x SPI, 2x I2C, USB OTG |
| RTCC | Real-Time Clock and Calendar with alarm |
| DMA | 8-channel DMA controller |
| CTMU | Charge Time Measurement Unit for touch sensing |
| Operating Temperature | -40 C to +85 C (industrial grade, suffix -I) |
| Mounting Type | Surface Mount (QFN-EP) |
| MSL Level | 3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant |
| Tube Quantity | 40 pcs/tube (per Microchip packaging spec) |
PIC24FJ128DA206-I/MR Pin Configuration
| Pin 1 | RA0 — Port A bit 0 / analog input / reference 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 |
| Pin 6 | RA5 — Port A bit 5 |
| Pin 7 | RA6 — Port A bit 6 |
| Pin 8 | RA7 — Port A bit 7 |
| Pin 9 | RB0 — Port B bit 0 / PGED1 (programming) |
| Pin 10 | RB1 — Port B bit 1 / PGEC1 (programming) |
| Pin 11 | RB2 — Port B bit 2 |
| Pin 12 | RB3 — Port B bit 3 |
| Pin 13 | RB4 — Port B bit 4 |
| Pin 14 | RB5 — Port B bit 5 |
| Pin 15 | RB6 — Port B bit 6 |
| Pin 16 | RB7 — Port B bit 7 |
| Pin 17 | RC1 — Port C bit 1 |
| Pin 18 | RC2 — Port C bit 2 |
| Pin 19 | RC3 — Port C bit 3 |
| Pin 20 | RC4 — Port C bit 4 |
| Pin 21 | VSS — Ground |
| Pin 22 | VDD — Digital supply voltage 2.0-3.6V |
| Pin 23 | RD0 — Port D bit 0 / PMP data |
| Pin 24 | RD1 — Port D bit 1 / PMP data |
| Pin 25 | RD2 — Port D bit 2 / PMP data |
| Pin 26 | RD3 — Port D bit 3 / PMP data |
| Pin 27 | RD4 — Port D bit 4 / PMP data |
| Pin 28 | RD5 — Port D bit 5 / PMP data |
| Pin 29 | RD6 — Port D bit 6 / PMP data |
| Pin 30 | RD7 — Port D bit 7 / PMP data |
| Pin 31 | RE0 — Port E bit 0 / PMP control |
| Pin 32 | RE1 — Port E bit 1 / PMP control |
| Pin 33 | RE2 — Port E bit 2 / PMP control |
| Pin 34 | RE3 — Port E bit 3 / PMP control |
| Pin 35 | RE4 — Port E bit 4 / PMP control |
| Pin 36 | RE5 — Port E bit 5 / PMP control |
| Pin 37 | RE6 — Port E bit 6 / PMP control |
| Pin 38 | RE7 — Port E bit 7 / PMP control |
| Pin 39 | RF0 — Port F bit 0 |
| Pin 40 | RF1 — Port F bit 1 |
| Pin 41 | RF2 — Port F bit 2 |
| Pin 42 | RF3 — Port F bit 3 |
| Pin 43 | RF4 — Port F bit 4 |
| Pin 44 | RF5 — Port F bit 5 |
| Pin 45 | RF6 — Port F bit 6 |
| Pin 46 | RF7 — Port F bit 7 |
| Pin 47 | RG0 — Port G bit 0 |
| Pin 48 | RG1 — Port G bit 1 |
| Pin 49 | RG2 — Port G bit 2 |
| Pin 50 | RG3 — Port G bit 3 |
| Pin 51 | VSS — Ground |
| Pin 52 | VDD — Digital supply voltage |
| Pin 53 | SDA1 — I2C1 data / RG7 |
| Pin 54 | SCL1 — I2C1 clock / RG6 |
| Pin 55 | D+ — USB D+ data line |
| Pin 56 | D- — USB D- data line |
| Pin 57 | VBUS — USB VBUS sense |
| Pin 58 | VUSB — USB internal regulator output |
| Pin 59 | RC12 — Port C bit 12 / SOSCO crystal out |
| Pin 60 | RC13 — Port C bit 13 |
| Pin 61 | RC14 — Port C bit 14 / SOSCI crystal in |
| Pin 62 | RC15 — Port C bit 15 |
| Pin 63 | ENVREG — Voltage regulator enable |
| Pin 64 | DISVREG — Voltage regulator disable / POR |
| Pin EP | EP — Exposed thermal pad - must be soldered to ground plane |
Typical Applications
PIC24FJ128DA206-I/MR is suitable for 7 applications: Home Appliance HMI Panels, Industrial Control Terminals, USB-Connected Medical Devices, Point-of-Sale and Kiosk Terminals, Automotive Auxiliary Displays, Consumer Electronics with USB, Smart Home Touch Panels.
Home Appliance HMI Panels
The PIC24FJ128DA206-I/MR is purpose-built for graphical user interfaces in home appliances such as coffee machines, washing machines, ovens, and smart thermostats. Its integrated graphics controller drives 4.3-inch WQVGA (480x272) TFT panels directly through the 16-bit Parallel Master Port, eliminating the need for an external display driver IC - critical for sub-$30 BOM designs. The 96 KB SRAM is sufficient for double-buffered color framebuffers plus USB and Wi-Fi co-processor communication buffers. The integrated CTMU simplifies capacitive touch sensing for membrane overlays. At 32 MHz / 16 MIPS, the device comfortably runs Microchip's graphics library, button handling, and a small TCP/IP stack simultaneously.
Recommended
Industrial Control Terminals
For factory-floor HMI panels, operator terminals, and process-control displays, the PIC24FJ128DA206-I/MR delivers industrial temperature range (-40 C to +85 C), USB-OTG for configuration file import/export, and 96 KB SRAM for trend-graph buffers. The 16-bit PIC24F core handles real-time control loops while the integrated graphics controller offloads display refresh. The Parallel Master Port interfaces to industrial TFT panels with resistive touch via a separate ADC channel; the CTMU enables capacitive touch without an extra IC. Engineers can use the RTCC for time-stamped event logging.
Recommended
USB-Connected Medical Devices
The PIC24FJ128DA206-I/MR is well suited for USB-tethered medical devices such as glucose meters, spirometers, and portable diagnostic tools. The integrated USB-OTG controller provides USB 2.0 Full-Speed device connectivity for PC-based firmware updates and patient-data export without an external PHY. The 96 KB SRAM supports USB endpoint buffers plus waveform caches, while the 16-bit ADC with 500 ksps digitizes sensor inputs. The 16 MIPS core runs Microchip's USB stack and a small RTOS simultaneously. Designers should note that medical applications require additional regulatory certifications beyond the MCU's own compliance.
Recommended
Point-of-Sale and Kiosk Terminals
Self-service kiosks and compact POS terminals benefit from the PIC24FJ128DA206-I/MR's combination of USB-OTG (for receipt printer, barcode scanner, NFC reader), integrated graphics controller (for color TFT customer-facing display), and PMP (for direct panel connection). The 32 MHz CPU can handle encrypted card swipe protocols and graphic animation concurrently. 96 KB SRAM supports multiple framebuffers and USB class driver stacks. The 64-pin VQFN package fits within the tight 80x60 mm board footprint typical of compact POS designs.
Recommended
Automotive Auxiliary Displays
For non-safety automotive applications such as rear-seat entertainment control panels, climate-control HMI, and aftermarket infotainment displays, the PIC24FJ128DA206-I/MR delivers the necessary peripherals and industrial temperature range. USB-OTG enables firmware updates from a USB stick, while the graphics controller drives 4.3-inch WQVGA panels with mechanical or capacitive touch. Designers should pair this MCU with an external CAN transceiver for body-network integration; the part itself does not include CAN. Note: PIC24FJ128DA206 is not AEC-Q100 qualified - choose PIC24FJ128DA206-E/MR variants or dsPIC33 for true automotive designs.
Recommended
Consumer Electronics with USB
The PIC24FJ128DA206-I/MR suits consumer products such as digital photo frames, USB-connected audio players, programmable thermostats, and smart-home control hubs. USB-OTG enables both PC connectivity and USB-host mode for memory sticks or external peripherals. The integrated graphics controller drives small TFT/OLED displays for status and configuration, while the 16 MIPS core handles user input, protocol stack (Wi-Fi co-processor interface), and graphics refresh. The 96 KB SRAM accommodates USB class drivers plus UI buffers. RoHS compliance and lead-free packaging simplify global consumer-product certification.
Recommended
Smart Home Touch Panels
For wall-mounted smart-home control panels with 4.3-inch color touchscreens, the PIC24FJ128DA206-I/MR integrates all required peripherals: graphics controller for TFT driving, CTMU for capacitive touch sensing, USB-OTG for commissioning and firmware upload, and RTCC for time-based scheduling. The 96 KB SRAM is sufficient for small GUI frameworks like Microchip's graphics library plus Wi-Fi/BLE co-processor command buffers. The 64-pin VQFN package keeps the back panel under 12 mm thin. The industrial temperature range ensures operation across climate-controlled indoor environments.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ128DA206-I/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ256DA206-I/MR | PIC24FJ128DA106-I/MR | PIC24FJ256DA210-I/MR |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | VQFN-64 (9x9 mm) with EP | VQFN-64 (9x9 mm) with EP - same | VQFN-64 (9x9 mm) with EP - same | VQFN-64 (9x9 mm) with EP - same |
| Flash Memory | 128 KB | 256 KB | 128 KB | 256 KB |
| SRAM | 96 KB | 96 KB | 32 KB | 96 KB |
| Maximum CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| USB Controller | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | None (no USB) | USB 2.0 Full-Speed OTG |
| Graphics Controller | Yes, 4.3" WQVGA (480x272) | Yes, 4.3" WQVGA | Yes, 4.3" WQVGA | Yes, 4.3" WQVGA |
| Operating Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| Approximate Unit Price (qty 1) | $7.42 | $9.80 | $5.95 | $10.20 |
Key Differentiators
- Doubling Flash headroom without changing footprint (vs PIC24FJ256DA206-I/MR)
- USB-OTG vs no USB at lower cost (vs PIC24FJ128DA106-I/MR)
- Lower SRAM as a deliberate cost optimization (vs PIC24FJ128DA106-I/MR)
- Same peripherals in higher-pin variants for larger displays (vs PIC24FJ128DA110-I/BG)
Design Notes
The 64-pin VQFN-EP package's exposed thermal pad MUST be soldered directly to the PCB ground plane to provide both thermal dissipation and a low-impedance ground reference. For designs in enclosed enclosures with limited airflow, allocate a copper pour of at least 0.5 square inch connected to the EP through thermal vias (typically 9-12 vias in a 3x3 grid). Without proper EP soldering, junction temperature can rise 15-20 C above ambient at typical MCU operating currents, reducing long-term reliability.
Decoupling is critical for mixed-signal MCU designs. Place a 100 nF X7R ceramic capacitor within 3 mm of each VDD pin (pins 22 and 52) and a 10 uF bulk capacitor near the voltage regulator output. For USB applications, add a 1 nF to 4.7 uF capacitor on VUSB (pin 58) for USB transceiver stability. The VBAT supply for RTCC requires its own decoupling if used. Trace lengths from the MCU to the USB connector should be matched to within 2 mm to maintain 90 ohm differential impedance.
Common pitfalls when designing with PIC24FJ128DA206 include: (1) configuring the voltage regulator (ENVREG/DISVREG pins) - leave DISVREG floating for internal regulator mode, (2) not initializing the PMP/Graphics Controller timing for the specific TFT panel - check the panel datasheet, (3) exceeding 96 KB SRAM with USB class driver buffers plus framebuffer (leave at least 8 KB free for stack), and (4) forgetting to enable the CTMU before touch sensing. The Microchip MPLAB Code Configurator generates initialization code that prevents most of these issues.
For USB-OTG designs, keep the D+ and D+ traces matched within 2 mm, route over a continuous ground plane, and place the 27-ohm series termination resistors within 5 mm of the MCU pins. The VBUS pin requires a 10 uF capacitor as specified by USB 2.0 OTG spec. For graphics applications, keep the PMP data bus (RD0-RD7) and control signals (RE0-RE7) length-matched to within 10 mm of each other to avoid display glitches at full speed.
Compliance Information
RoHS compliant per Microchip product page and distributor listings. Industrial temperature grade only (-40 to +85 C, suffix -I) - not AEC-Q100 qualified for automotive. Choose PIC24EP or dsPIC33 AEC-Q100 variants for automotive designs.
