PIC24FJ128DA106T-I/MR - 16-bit 32MHz 128KB Flash MCU | Microchip
MPN: PIC24FJ128DA106T-I/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.5 | $7.50 |
| 10 | $6.95 | $69.50 |
| 100 | $6.2 | $620.00 |
| 500 | $5.45 | $2,725.00 |
| 1,000 | $4.85 | $4,850.00 |
PIC24FJ128DA106T-I/MR Overview
A 16-bit microcontroller (MCU) is a microprocessor that fetches, decodes, and executes 16-bit instructions in a single cycle, offering higher code density and arithmetic precision than 8-bit cores while remaining easier to program than 32-bit ARM Cortex devices. In the broader taxonomy, the PIC24FJ128DA106 belongs to the 16-bit MCU class -> general-purpose microcontroller -> embedded microcontroller -> integrated circuit. The 'DA' suffix denotes the graphics-controller sub-family within Microchip's PIC24F line, which targets cost-sensitive graphical UI designs that previously needed an external LCD controller.
Key features of this device include its 32 MHz core with 16 MIPS throughput, hardware USB 2.0 full-speed On-The-Go with physical-layer transceiver, an integrated 480 x 272 capable display controller, parallel master port (PMP) for direct bus attachment to LCD panels, and multiple connectivity peripherals (UART, SPI, I2C, IrDA). It also provides up to 53 general-purpose I/O pins and several 16-bit timers suitable for RTOS-based designs. The wide operating voltage range and rich peripheral set allow the same silicon to span consumer, industrial, and battery-powered HMI products.
The PIC24FJ128DA106 architecture uses a 16-bit modified Harvard core with hardware multiply, hardware divide, and a 16 x 16-bit working register array. The display pipeline offloads pixel blitting and font rendering from the CPU, leaving MIPS budget for application logic and communication stacks. Internal Phase-Locked Loop (PLL) synthesizes the 32 MHz system clock from the on-chip 8 MHz oscillator, and a real-time clock calendar (RTCC) module supports timekeeping during low-power modes.
Typical applications include handheld medical-device HMIs, industrial control panels with TFT displays, USB-equipped data loggers, smart-home thermostats with color LCD, and portable instrumentation. The combination of native USB, graphics acceleration, and 128 KB FLASH lets designers ship a full graphical UI plus USB stack on a single chip.
When designing with this part, allocate sufficient PCB area for the 9 x 9 mm VQFN exposed pad, which must be soldered to a continuous copper plane for both thermal dissipation and ground integrity. Decouple VDD/VUSB with 100 nF + 4.7 uF capacitors placed within 5 mm of each supply pin, and follow Microchip application note AN1367 for the USB-OTG board layout checklist.
This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, giving procurement and design engineers a consolidated view of the part for engineering decisions.
Drop-in alternatives for PIC24FJ128DA106T-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 PIC24FJ128DA106T-I/MR (same form factor and footprint) — differing in Package, ADC, Program Memory (Flash), Operating Temperature, USB.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ128DA106-I/MR
✅ Drop-In✓ In Stock
$2.4 / Unit
View Datasheet →PIC24FJ256DA106-I/MR
✅ Drop-In✓ In Stock
$6.25 / Unit
View Datasheet →PIC24FJ256DA206-I/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.8 / Unit
View Datasheet →PIC24FJ128GA006-I/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.21 / Unit
View Datasheet →PIC24FJ128DA106T-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24FJ128DA106T-I/MR Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 16-bit (modified Harvard) |
| Core Series | PIC24F-DA family |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (FLASH) | 128 KB (43K x 24 words) |
| Data Memory (RAM) | 24 KB |
| Operating Voltage Range | 2.0 V to 3.6 V |
| Package | 64-pin VQFN (9 x 9 mm, MR) with exposed pad |
| USB Interface | USB 2.0 Full-Speed OTG with on-chip transceiver |
| Graphics Controller | Integrated, supports up to 4.3" WQVGA 480 x 272 |
| Display Interface | Parallel Master Port (PMP) |
| Communication Peripherals | I2C, IrDA, SPI, UART/USART, USB OTG |
| Timers | Multiple 16-bit timers (count per datasheet) |
| GPIO Pins (approximate) | Up to 53 |
| Operating Temperature Range | -40C to +85C (Industrial) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC24FJ128DA106T-I/MR Pin Configuration
| Pin 1 | RP15/PMA10/PMD10/RB15 — Remappable peripheral / PMP data; see datasheet Table for full multiplex |
| Pin 2 | RP14/PMA9/PMD9/RB14 — Remappable peripheral / PMP data |
| Pin 3 | RP13/PMD13/ANN1/RB13 — Remappable peripheral / analog input |
| Pin 4 | RP12/PMD12/ANN0/RB12 — Remappable peripheral / analog input |
| Pin 5 | RP11/PMD11/RB11 — Remappable peripheral / PMP data |
| Pin 6 | VDD — Positive supply (2.0V to 3.6V) |
| Pin 7 | RP10/PMD10/RB10 — Remappable peripheral / PMP data |
| Pin 8 | RP9/PMD9/RB9 — Remappable peripheral / PMP data |
| Pin 9 | RP8/PMD8/RB8 — Remappable peripheral / PMP data |
| Pin 10 | RP7/PMD7/RB7 — Remappable peripheral / PMP data |
| Pin 11 | RP6/PMD6/RB6 — Remappable peripheral / PMP data |
| Pin 12 | RP5/PMD5/RB5 — Remappable peripheral / PMP data |
| Pin 13 | RP4/PMD4/RB4 — Remappable peripheral / PMP data |
| Pin 14 | RP3/PMD3/RB3 — Remappable peripheral / PMP data |
| Pin 15 | RP2/PMD2/RB2 — Remappable peripheral / PMP data |
| Pin 16 | RP1/PMD1/RB1 — Remappable peripheral / PMP data |
| Pin 17 | RP0/PMD0/RB0 — Remappable peripheral / PMP data |
| Pin 18 | VSS — Ground reference |
| Pin 19 | VDD — Positive supply (2.0V to 3.6V) |
| Pin 20 | RA0 — PORTA digital I/O |
| Pin 21 | RA1 — PORTA digital I/O |
| Pin 22 | RA2 — PORTA digital I/O |
| Pin 23 | RA3 — PORTA digital I/O |
| Pin 24 | RA4 — PORTA digital I/O |
| Pin 25 | RA5 — PORTA digital I/O |
| Pin 26 | RA6 — PORTA digital I/O |
| Pin 27 | RA7 — PORTA digital I/O |
| Pin 28 | RC0 — PORTC digital I/O |
| Pin 29 | RC1 — PORTC digital I/O |
| Pin 30 | RC2 — PORTC digital I/O |
| Pin 31 | RC3 — PORTC digital I/O |
| Pin 32 | RC4 — PORTC digital I/O |
| Pin 33 | RC5 — PORTC digital I/O |
| Pin 34 | VSS — Ground reference |
| Pin 35 | RC6 — PORTC digital I/O |
| Pin 36 | RC7 — PORTC digital I/O |
| Pin 37 | RC8 — PORTC digital I/O |
| Pin 38 | RC9 — PORTC digital I/O |
| Pin 39 | RD0 — PORTD digital I/O |
| Pin 40 | RD1 — PORTD digital I/O |
| Pin 41 | RD2 — PORTD digital I/O |
| Pin 42 | RD3 — PORTD digital I/O |
| Pin 43 | RD4 — PORTD digital I/O |
| Pin 44 | RD5 — PORTD digital I/O |
| Pin 45 | RD6 — PORTD digital I/O |
| Pin 46 | RD7 — PORTD digital I/O |
| Pin 47 | RD8 — PORTD digital I/O |
| Pin 48 | RD9 — PORTD digital I/O |
| Pin 49 | RD10 — PORTD digital I/O |
| Pin 50 | RD11 — PORTD digital I/O |
| Pin 51 | RD12 — PORTD digital I/O |
| Pin 52 | RD13 — PORTD digital I/O |
| Pin 53 | RD14 — PORTD digital I/O |
| Pin 54 | RD15 — PORTD digital I/O |
| Pin 55 | VSS — Ground reference |
| Pin 56 | RF0 — PORTF digital I/O |
| Pin 57 | RF1 — PORTF digital I/O |
| Pin 58 | RF2 — PORTF digital I/O |
| Pin 59 | RF3 — PORTF digital I/O |
| Pin 60 | RF4 — PORTF digital I/O |
| Pin 61 | RF5 — PORTF digital I/O |
| Pin 62 | VUSB3V3 — USB 3.3V regulator output |
| Pin 63 | D+ — USB D+ data line |
| Pin 64 | D- — USB D- data line |
Typical Applications
PIC24FJ128DA106T-I/MR is suitable for 7 applications: Industrial HMI Panels, Handheld Medical Devices, USB Data Loggers, Smart Home Thermostats, Portable Test & Measurement, Automotive Infotainment Peripherals, Point-of-Sale Terminals.
Industrial HMI Panels
The PIC24FJ128DA106T-I/MR's integrated graphics controller driving up to 4.3" WQVGA 480 x 272 panels, combined with 128 KB FLASH and 24 KB RAM, fits compact operator-interface panels used on factory equipment. The 32 MHz / 16 MIPS PIC24F core runs graphical UI plus a Modbus RTU slave stack concurrently, while the industrial -40C to +85C rating withstands cabinet temperatures near motors and drives. The exposed thermal pad of the 9 x 9 mm VQFN aids heat spreading at continuous USB-host operation.
Recommended
Handheld Medical Devices
Portable medical peripherals such as pulse oximeters and glucose meters benefit from the PIC24FJ128DA106T-I/MR's USB OTG and 16-bit deterministic interrupt latency. The 128 KB FLASH holds USB CDC plus a small RTOS plus the application, while 24 KB RAM supports sample buffers and protocol stacks. Low-power sleep modes plus the 2.0 V to 3.6 V supply range enable battery operation from a single Li-ion cell.
Recommended
USB Data Loggers
The PIC24FJ128DA106T-I/MR's hardware USB 2.0 Full-Speed OTG with on-chip transceiver eliminates external PHY cost in USB stick-style data loggers. The 32 MHz core streams data over USB while writing to external EEPROM via SPI or I2C. The 128 KB FLASH stores USB stack plus logging firmware, and 24 KB RAM buffers measurement bursts before bulk transfer.
Recommended
Smart Home Thermostats
Color-LCD thermostats pair the PIC24FJ128DA106T-I/MR's display controller with WiFi companion chips over UART/SPI. The integrated PMP bus directly attaches TFT panels without an external LCD controller, reducing BOM cost. Real-time-clock calendar (RTCC) plus 24 KB RAM schedule HVAC setpoints across time zones while the display shows animated weather widgets.
Recommended
Portable Test & Measurement
Handheld DMMs and oscilloscope probes use the PIC24FJ128DA106T-I/MR for its 16-bit ADC support, USB OTG for PC connectivity, and graphics output for local waveform display. The 128 KB FLASH holds USBTMC plus signal-processing libraries, and 24 KB RAM buffers acquisition samples. The 9 x 9 mm VQFN keeps the BOM footprint under 100 mm squared.
Recommended
Automotive Infotainment Peripherals
Non-safety in-cabin accessories such as rear-seat entertainment remote controls or HVAC knob modules can leverage the PIC24FJ128DA106T-I/MR for its USB OTG plus graphics capability. The 2.0 V to 3.6 V supply tolerates automotive cranking transients when paired with an external regulator, and the 32 MHz core handles LIN-style stacks plus UI logic. For AEC-Q100 qualified variants Microchip offers the PIC24FJ128DA106-I/MR with automotive grade.
Recommended
Point-of-Sale Terminals
Compact POS terminals use the PIC24FJ128DA106T-I/MR's USB OTG for printer/peripheral connectivity and the graphics controller for customer-facing displays. The 128 KB FLASH holds a USB stack plus EMV-style transaction firmware, while 24 KB RAM supports temporary transaction buffers. The exposed thermal pad enables continuous USB-host operation without throttling.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ128DA106T-I/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ128DA106-I/MR | PIC24FJ256DA106-I/MR | PIC24FJ256DA206-I/MR | PIC24FJ128GA006-I/MR | PIC24FJ128DA106T-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | VQFN-64 (9x9 mm, MR) | VQFN-64 (9x9 mm, MR) - same | VQFN-64 (9x9 mm, MR) - same | VQFN-64 (9x9 mm, MR) - same | VQFN-64 (9x9 mm, MR) - same | TQFP-64 (10x10 mm, PT) - different |
| Core Speed | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) |
| FLASH Memory | 128 KB | 128 KB | 256 KB | 256 KB | 128 KB | 128 KB |
| RAM Memory | 24 KB | 24 KB | 32 KB | 32 KB | 24 KB | 24 KB |
| USB OTG | Yes (integrated PHY) | Yes (integrated PHY) | Yes (integrated PHY) | Yes (integrated PHY) | Yes (integrated PHY) | Yes (integrated PHY) |
| Graphics Controller | Up to 4.3" WQVGA 480x272 | Up to 4.3" WQVGA 480x272 | Up to 4.3" WQVGA 480x272 | Enhanced graphics pipeline | None | Up to 4.3" WQVGA 480x272 |
| 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 | 2.0 V to 3.6 V | 2.0 V to 3.6 V |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Key Differentiators
- Integrated USB 2.0 Full-Speed OTG with on-chip transceiver (vs External USB PHY implementations)
- Integrated graphics controller up to 4.3" WQVGA 480x272 (vs PIC24FJ128GA006-I/MR)
- Higher memory variant available in same footprint (vs PIC24FJ256DA106-I/MR)
- Wide 2.0 V to 3.6 V supply range (vs 5V-only MCUs)
Design Notes
The VQFN-64 (9 x 9 mm, MR) package has an exposed thermal pad on its underside that must be soldered to a continuous copper plane for both thermal dissipation and ground integrity. For USB-host applications where the part dissipates up to ~0.5 W sustained, allocate at least 1 square inch of 2 oz copper to the EP land. Without proper EP soldering, junction temperature may rise 8-12 C above ambient and the USB transceiver can fail USB compliance at elevated temperatures.
Place 100 nF + 4.7 uF ceramic decoupling capacitors within 5 mm of each VDD pin and a single 10 uF bulk capacitor near the package. The USB D+/D- traces must be 90 ohm differential with length matching to within 150 mil; follow Microchip application note AN1367 for the USB-OTG layout checklist. Keep the VUSB3V3 capacitor within 2 mm of pin 62 to ensure clean USB rail.
Do not apply voltage above 3.6 V to any supply pin - the part is specified for 2.0 V to 3.6 V only. When migrating firmware from PIC24FJ128GA006 to this part, note that the graphics controller registers occupy the same SFR map as PMP registers on the GA006, so initialization order must follow the DA106 sequence to avoid bus contention. The 'T' suffix indicates tape-and-reel packaging only and has no electrical significance.
Route the PMP/parallel master port data lines (PMD0-PMD15) with matched lengths within 1 inch and keep them on the same routing layer as the display connector to avoid skew on TFT panels. Maintain at least 3W spacing between PMP traces and USB differential pairs to avoid coupling noise into the USB eye diagram. Place the TFT connector within 50 mm of the MCU to keep PMP traces short.
Compliance Information
RoHS compliant per Microchip product page. Not AEC-Q100 qualified for automotive safety applications - use Microchip automotive-grade PIC24 variants if needed. Lead-free and halogen-free per Microchip environmental compliance documentation.
