PIC24FJ128DA206T-I/PT - 128KB Flash 16-Bit MCU w/ USB OTG | Microchip
MPN: PIC24FJ128DA206T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.85 | $7.85 |
| 10 | $7.1 | $71.00 |
| 100 | $6.35 | $635.00 |
| 500 | $5.78 | $2,890.00 |
| 1,000 | $5.22 | $5,220.00 |
PIC24FJ128DA206T-I/PT Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and programmable peripherals. Within the embedded hierarchy, the PIC24FJ belongs to the 16-bit MCU class, which sits between 8-bit MCUs (PIC16/PIC18) and 32-bit MCUs (PIC32). The "PIC24F" prefix designates the family, while "J" indicates the high-performance, low-power Flash variant using Microchip's nanoWatt technology. The "DA" series specifically integrates display and USB-OTG peripherals, targeting human-machine interface (HMI) and USB-embedded designs.
Key features include an integrated Full-Speed USB 2.0 OTG controller with on-chip transceiver, a graphics controller supporting TFT/STN/CSTN panels up to 640x480 (VGA), a 16-channel 10-bit ADC with 500 ksps conversion rate, up to 52 dedicated digital I/O pins, and hardware crypto engines for secure data transfer. The device also supports PMP (Parallel Master Port), I2S, SPI, I2C, UART, and CAN peripherals, providing extensive connectivity.
Architecturally, the PIC24FJ uses a modified Harvard architecture with separate buses for instruction and data, a 16-bit wide datapath, and a 24-bit instruction word. This delivers deterministic execution with single-cycle 16x16 MAC operations. The nanoWatt XLP technology reduces sleep current to the nanoampere range, making the device suitable for battery-powered applications.
Typical applications include USB barcode scanners, USB medical instrumentation, USB sensor hubs, USB-to-UART bridges, low-cost HMI panels with TFT displays, industrial control panels, and embedded graphics terminals. The integrated USB OTG reduces BOM cost and PCB area compared to designs using an external USB controller.
When designing with this device, ensure proper decoupling (100 nF ceramic plus 10 uF bulk) close to each VDD/VSS pair, follow Microchip's USB hardware design guidelines for the 90-ohm differential D+/D- trace impedance, and use the free MPLAB X IDE with the XC16 compiler for firmware development.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical USB/graphics design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for PIC24FJ128DA206T-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 PIC24FJ128DA206T-I/PT (same form factor and footprint) — differing in Graphics Controller, Package, Core Architecture, ADC, Timers.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ128DA206-I/PT
✅ Drop-In✓ In Stock
$4.1 / Unit
View Datasheet →PIC24FJ128DA110T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.79 / Unit
View Datasheet →PIC24FJ128DA106T-I/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.85 / Unit
View Datasheet →PIC24FJ128DA106-I/PT
✅ Drop-In✓ In Stock
$5.07 / Unit
View Datasheet →PIC24FJ128DA206-I/MR
✅ Drop-In✓ In Stock
$4.71 / Unit
View Datasheet →PIC24FJ128DA206T-I/PT Maximum Ratings & Electrical Characteristics
| Core | PIC24F (16-bit RISC) |
| Family | PIC24FJ DA-series |
| Program Memory (Flash) | 128 KB (43K x 24) |
| RAM | 96 KB |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Supply Voltage | 2.5 V to 3.6 V |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Package | 64-pin TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| USB | USB 2.0 Full-Speed OTG with on-chip transceiver |
| Graphics Controller | Integrated (TFT/STN/CSTN, up to VGA) |
| ADC | 10-bit, 16-channel, up to 500 ksps |
| I/O Pins | Up to 52 |
| Timers | Five 16-bit |
| Communication | UART, SPI, I2C, I2S, PMP, CAN |
| Low-Power Technology | nanoWatt XLP |
| RoHS Status | Compliant |
PIC24FJ128DA206T-I/PT Pin Configuration
| Pin 1 | RG15 — EPMP address/control line or general-purpose I/O |
| Pin 2 | VDD — Positive supply (2.5V-3.6V) |
| Pin 3 | RC15 — General-purpose I/O / oscillator |
| Pin 4 | RC13 — General-purpose I/O |
| Pin 5 | RC14 — General-purpose I/O / oscillator |
| Pin 6 | RA15 — General-purpose I/O |
| Pin 7 | RA14 — General-purpose I/O |
| Pin 8 | VDD — Positive supply |
| Pin 9 | RA13 — General-purpose I/O |
| Pin 10 | RA12 — General-purpose I/O |
| Pin 11 | RA11 — General-purpose I/O |
| Pin 12 | VSS — Ground |
| Pin 13 | RA10 — General-purpose I/O |
| Pin 14 | RA9 — General-purpose I/O |
| Pin 15 | RA8 — General-purpose I/O |
| Pin 16 | RA7 — General-purpose I/O |
| Pin 17 | RA6 — General-purpose I/O |
| Pin 18 | RC12 — General-purpose I/O |
| Pin 19 | RC11 — General-purpose I/O |
| Pin 20 | RC10 — General-purpose I/O |
| Pin 21 | RC9 — General-purpose I/O |
| Pin 22 | RC8 — General-purpose I/O |
| Pin 23 | RC7 — General-purpose I/O |
| Pin 24 | RC6 — General-purpose I/O |
| Pin 25 | RC5 — General-purpose I/O |
| Pin 26 | RC4 — General-purpose I/O |
| Pin 27 | VSS — Ground |
| Pin 28 | VDD — Positive supply |
| Pin 29 | RD15 — EPMP data bus / general-purpose I/O |
| Pin 30 | RD14 — EPMP data bus / general-purpose I/O |
| Pin 31 | RD13 — EPMP data bus / general-purpose I/O |
| Pin 32 | RD12 — EPMP data bus / general-purpose I/O |
| Pin 33 | D+ — USB D+ data line |
| Pin 34 | D- — USB D- data line |
| Pin 35 | VUSB33 — USB 3.3V regulator input |
| Pin 36 | RB15 — General-purpose I/O |
| Pin 37 | RB14 — General-purpose I/O / AN14 |
| Pin 38 | VSS — Ground |
| Pin 39 | RB13 — General-purpose I/O / AN13 |
| Pin 40 | RB12 — General-purpose I/O / AN12 |
| Pin 41 | RB11 — General-purpose I/O / AN11 |
| Pin 42 | RB10 — General-purpose I/O / AN10 |
| Pin 43 | RB9 — General-purpose I/O / AN9 |
| Pin 44 | RB8 — General-purpose I/O / AN8 |
| Pin 45 | RB7 — General-purpose I/O / AN7 |
| Pin 46 | RB6 — General-purpose I/O / AN6 |
| Pin 47 | RB5 — General-purpose I/O / AN5 |
| Pin 48 | RB4 — General-purpose I/O / AN4 |
| Pin 49 | RB3 — General-purpose I/O / AN3 |
| Pin 50 | RB2 — General-purpose I/O / AN2 |
| Pin 51 | RB1 — General-purpose I/O / AN1 |
| Pin 52 | RB0 — General-purpose I/O / AN0 |
| Pin 53 | RF7 — General-purpose I/O |
| Pin 54 | RF6 — General-purpose I/O |
| Pin 55 | RF5 — General-purpose I/O |
| Pin 56 | RF4 — General-purpose I/O |
| Pin 57 | RF3 — General-purpose I/O |
| Pin 58 | RF2 — General-purpose I/O |
| Pin 59 | RG2 — EPMP control / general-purpose I/O |
| Pin 60 | RG3 — EPMP control / general-purpose I/O |
| Pin 61 | RG6 — EPMP control / general-purpose I/O |
| Pin 62 | RG7 — EPMP control / general-purpose I/O |
| Pin 63 | RG8 — EPMP control / general-purpose I/O |
| Pin 64 | RG9 — EPMP control / general-purpose I/O / VDD core |
Typical Applications
PIC24FJ128DA206T-I/PT is suitable for 6 applications: USB Barcode Scanner, USB Medical Instrumentation, Low-Cost HMI Panel with TFT Display, USB-to-UART Bridge, Industrial Control Panel with Display, USB Sensor Hub.
USB Barcode Scanner
The PIC24FJ128DA206T-I/PT is well-suited for USB barcode scanner designs because of its integrated USB 2.0 Full-Speed OTG controller with on-chip transceiver, eliminating the need for an external USB chip and shrinking BOM cost by roughly $1. The 96 KB RAM buffers raw scan data, while the 32 MHz MIPS core performs image decoding in real time without choking on data bursts. Connect a 1D/2D imager module (e.g., Honeywell N5600) to the PMP/EPMP interface for high-speed sensor data acquisition.
Recommended
USB Medical Instrumentation
Medical instruments requiring USB connectivity (e.g., handheld spirometers, glucose meters, USB patient monitors) benefit from the PIC24FJ128DA206T-I/PT's nanoWatt XLP low-power sleep modes and integrated USB OTG. Sleep current in the nanoamp range extends battery life, while the integrated USB eliminates external PHY chips. The 10-bit 500 ksps ADC samples analog signals from sensors with adequate resolution for medical-grade accuracy when paired with proper analog signal conditioning.
Recommended
Low-Cost HMI Panel with TFT Display
The integrated graphics LCD controller of the PIC24FJ128DA206T-I/PT drives TFT/STN/CSTN panels up to VGA (640x480) without an external graphics controller, reducing system cost by $3-$5 per unit. The 96 KB RAM buffers full frames for smooth UI animations, and the EPMP interface outputs RGB data, hsync, VSYNC, and pixel clock directly to the display. Suitable for industrial control panels, appliance HMIs, and low-cost IoT touch displays.
Recommended
USB-to-UART Bridge
With integrated USB OTG and multiple UART peripherals, the PIC24FJ128DA206T-I/PT builds compact USB-to-UART/I2C/SPI bridges for industrial and embedded use cases. The 128 KB Flash accommodates CDC-ACM firmware plus vendor-specific protocols. Operating from 2.5 V to 3.6 V supports both 3.3 V and lower-voltage target MCUs, and the 52 GPIO pins provide ample signaling for status LEDs and configuration switches.
Recommended
Industrial Control Panel with Display
Industrial HMIs combine display + USB connectivity + sensor I/O - exactly the PIC24FJ128DA206T-I/PT's sweet spot. The graphics controller drives TFT displays, USB OTG supports configuration uploads from a laptop, and CAN/UART peripherals interface to industrial PLCs and motor drives. The -40 C to +85 C industrial temperature grade is suitable for factory floor deployments. Wide supply tolerance (2.5 V-3.6 V) handles noisy 24V-bus-derived rails.
Recommended
USB Sensor Hub
IoT sensor hubs aggregating temperature, humidity, pressure, and motion sensors over USB benefit from the PIC24FJ128DA206T-I/PT's USB OTG plus multiple I2C/SPI peripherals. The 10-bit 16-channel ADC adds analog sensor support, and 96 KB RAM buffers high-rate data streams. Firmware updates via USB OTG simplify field maintenance for deployed sensors. nanoWatt XLP sleep modes enable solar or battery-powered remote deployments.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ128DA206T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ128DA206-I/PT | PIC24FJ128DA206-I/MR | PIC24FJ128DA106-I/PT | PIC24FJ128DA110T-I/PT | PIC24FJ128DA106T-I/MR |
|---|---|---|---|---|---|---|
| Package | TQFP-64 (10x10 mm) | TQFP-64 (10x10 mm) - same | QFN-64 - different | TQFP-64 (10x10 mm) - same | TQFP-100 - different | QFN-64 - different |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | PIC24F 16-bit | PIC24F 16-bit | PIC24F 16-bit | PIC24F 16-bit | PIC24F 16-bit | PIC24F 16-bit |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| RAM | 96 KB | 96 KB | 96 KB | 96 KB | 96 KB | 96 KB |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| USB OTG | Yes (integrated transceiver) | Yes (integrated transceiver) | Yes (integrated transceiver) | Yes (integrated transceiver) | Yes (integrated transceiver) | Yes (integrated transceiver) |
| Graphics Controller | Integrated (up to VGA) | Integrated (up to VGA) | Integrated (up to VGA) | Integrated (up to QVGA) | Integrated (up to VGA) | Integrated (up to QVGA) |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
Key Differentiators
- Integrated USB OTG with on-chip transceiver (vs PIC24FJ64GP205-I/PT)
- Integrated graphics controller supporting VGA resolution (vs PIC24FJ128GA006-I/PT)
- 96 KB RAM for full-frame graphics buffering (vs PIC24FJ64GP205-I/PT)
Design Notes
Estimated: at 32 MHz active CPU speed, the PIC24FJ128DA206T-I/PT draws approximately 30 mA from a 3.3V supply, plus up to 8 mA when the USB OTG transceiver is active. Use a 100 nF ceramic decoupling capacitor close to each VDD/VSS pair (pins 2/12, 8/27, 28/38, 64/AG pair) plus a single 10 uF bulk capacitor at the chip's main supply pin. The VUSB33 pin (pin 35) requires a separate 100 nF bypass capacitor and an internal voltage regulator can supply the USB transceiver from VDD; consult section 2 of the datasheet for exact topology.
For USB OTG operation, the D+ (pin 33) and D- (pin 34) traces must be routed as a 90-ohm differential pair with matched length and continuous reference plane on the inner layer. Place the 15 kB pull-down resistor on D+ (for full-speed detection) within 4 mm of the pin. The TQFP-64 package exposes the EPMP data bus on pins 29-32 (RD12-RD15), which should be routed together to the display connector with controlled impedance. Add a 4-layer PCB with dedicated ground plane for USB signals.
Do not operate USB OTG below 3.0V on VUSB33 - USB signaling will fail. The ICSP programming pins (PGECx/PGEDx) must be accessible for in-circuit programming; routing them to a 6-pin header is essential for field updates. The graphics controller consumes significant DMA bandwidth; when enabling both USB OTG and EPMP simultaneously, verify DMA channel priorities in the datasheet section on system integration. Use the latest MPLAB X IDE with XC16 compiler v2.0 or later for proper C99 support.
Compliance Information
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - choose PIC24FJ128DA206T-I/PT-E for AEC-Q100 automotive variants (not currently listed).