PIC24FJ128DA106-I/MR - 16-bit MCU w/ Graphics & USB | Microchip
MPN: PIC24FJ128DA106-I/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.41 | $3.41 |
| 10 | $3.2 | $32.00 |
| 100 | $2.9 | $290.00 |
| 500 | $2.65 | $1,325.00 |
| 1,000 | $2.4 | $2,400.00 |
PIC24FJ128DA106-I/MR Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash/RAM), and programmable peripherals. The PIC24F family uses Microchip's 16-bit modified Harvard architecture with a RISC instruction set, sitting between the 8-bit PIC16/PIC18 families and the 32-bit PIC32MX/dsPIC families. Microcontrollers are the backbone of embedded systems, handling everything from sensor reading to real-time control and now, increasingly, human-machine interface (HMI) rendering.
Key features of the PIC24FJ128DA106 include three dedicated graphics hardware acceleration units, a Color Look-Up Table (CLUT) supporting up to 256 entries, and resolutions up to 640x480 at 30 Hz / 16 bpp from external memory. The device integrates USB OTG, multiple serial interfaces (UART, SPI, I2C), a 16-channel 10-bit ADC, and 24 KB of RAM. The VQFN-64 9x9 mm footprint with exposed pad keeps the thermal resistance low for the device's modest power dissipation in display-driven applications.
Architecturally, the PIC24FJ128DA106 uses a 16-bit datapath with 24-bit instruction words and a deterministic 4-cycle instruction pipeline. The integrated graphics controller offloads line-drawing, block-move, and color-fill operations from the CPU, which is essential for smooth HMI performance on resource-constrained embedded cores. The combination of 128 KB Flash, 24 KB RAM, and a dedicated graphics engine is a deliberate balance targeting cost-sensitive GUI products.
Typical applications include 4.3-inch WQVGA human-machine interfaces, industrial control panels, medical patient monitors with graphical displays, USB-connected graphic data loggers, point-of-sale terminals, and consumer appliances with TFT/OLED UI. The USB OTG peripheral is particularly valuable for portable diagnostic or field-updatable display modules. Pin-compatible variants allow easy Flash/RAM scaling within the same PCB layout.
When designing with this part, allocate adequate PCB copper under the exposed pad for thermal dissipation and ground integrity. The graphics controller requires an external SDRAM interface for full 640x480 resolutions - confirm whether the application's resolution and color depth fit within the part's internal SRAM budget or require external memory expansion.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC24FJ128DA106-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 PIC24FJ128DA106-I/MR (same form factor and footprint) — differing in Package, Core Architecture, ADC, Timers, Family.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ256DA106-I/MR
✅ Drop-In✓ In Stock
$6.25 / Unit
View Datasheet →PIC24FJ192DA106-I/MR
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24FJ64DA106-I/MR
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24FJ128GA106-I/MR
✅ Drop-In✓ In Stock
$4.15 / Unit
View Datasheet →PIC24FJ128DA106-I/MR Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 16-bit (modified Harvard, RISC) |
| Family | PIC24F-DA |
| Program Memory (Flash) | 128 KB (43K x 24 instructions) |
| RAM | 24 KB |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Supply Voltage | 2.5V / 3.3V |
| Operating Temperature Range | -40C to +85C (Industrial) |
| Package | 64-pin VQFN (9x9 mm) with exposed pad |
| Mounting Type | Surface Mount |
| Graphics Controller | Integrated (CLUT, 3x HW acceleration units) |
| Max Display Resolution | 640x480 at 30 Hz, 16 bpp (external memory) |
| Native WQVGA Support | 4.3" 480x272 |
| USB | USB 2.0 OTG (full-speed) |
| ADC | 10-bit, 16 channels |
| I/O Pins | 53 (approx) |
| MSL Level | 3 |
| RoHS Status | Compliant |
PIC24FJ128DA106-I/MR 64-pin vqfn (9x9 mm) with exposed pad Pin Configuration Guide
Pin configuration for PIC24FJ128DA106-I/MR (64-pin vqfn (9x9 mm) with exposed pad package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for PIC24FJ128DA106-I/MR.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC24FJ128DA106-I/MR is suitable for 6 applications: 4.3-inch WQVGA Human-Machine Interface, Industrial Control Panels, Medical Patient Monitors, USB-Connected Graphic Data Loggers, Point-of-Sale Terminals, Consumer Appliances with TFT UI.
4.3-inch WQVGA Human-Machine Interface
The PIC24FJ128DA106-I/MR is purpose-built for driving 4.3-inch WQVGA (480x272) TFT/OLED panels through its integrated graphics controller. With 128 KB Flash and 24 KB RAM, the device can store moderate-sized GUI code, font tables, and a small framebuffer, while the 3x HW acceleration units offload line draws, block moves, and color fills from the CPU. Designers can connect the on-chip graphics controller directly to TFT panels using the integrated RGB interface, eliminating external LCD controller ASICs. The 32 MHz CPU clock (16 MIPS) provides sufficient performance for menu rendering, button handling, and waveform/animation updates. For 4.3-inch WQVGA, the internal SRAM framebuffer suffices without external memory, which simplifies the BOM and reduces PCB area.
Recommended
Industrial Control Panels
Industrial control panels with graphical HMIs benefit from the PIC24FJ128DA106-I/MR's -40C to +85C industrial temperature range and integrated USB OTG for field-updatable firmware. The graphics controller drives monochrome or C-STN panels up to 640x480 with the help of external SDRAM, suitable for shop-floor operator panels showing process status, alarms, and trend lines. The 16-channel 10-bit ADC handles analog sensor inputs (4-20 mA loops via external conditioning, RTDs, thermistors) for closed-loop control. The multiple UART, SPI, and I2C peripherals interface with motor drivers, PLCs, and sensor networks. Microchip's IEC 61508 SIL-ready library support allows deployment in functional-safety-adjacent subsystems when paired with external supervision.
Recommended
Medical Patient Monitors
Portable patient monitors with graphical displays leverage the PIC24FJ128DA106-I/MR's USB OTG for bedside connectivity to PCs and EMR systems, while the integrated graphics engine renders waveforms (ECG, SpO2 plethysmograph) and numeric vital-sign readouts on TFT panels. The 24 KB RAM supports waveform history buffers without external memory, and the 16-channel ADC digitizes sensor signals at adequate rates for diagnostic-grade displays. The industrial temperature range covers the operating conditions typical in clinical environments, and the VQFN-64 9x9 mm package fits compact handheld form factors. Microchip's medical-grade documentation package (MDP) and IEC 60601-1 collateral help OEMs through regulatory submission when supplemented with proper isolation design.
Recommended
USB-Connected Graphic Data Loggers
Field-deployable graphic data loggers use the PIC24FJ128DA106-I/MR's USB OTG (device or host mode) to offload recorded data to USB flash drives or accept configuration from a PC, while the integrated graphics controller displays real-time trends and historical plots on a 4.3-inch WQVGA panel. The 128 KB Flash stores logging firmware plus small lookup tables, and 24 KB RAM provides buffer space for incoming sensor data before USB transfer. The industrial temperature range supports outdoor or cabinet-mounted deployments. Battery-powered operation is supported via the PIC24F family's nanoWatt sleep modes (<100 nA standby), allowing multi-month deployments on lithium cells when the display is duty-cycled.
Recommended
Point-of-Sale Terminals
Compact point-of-sale (POS) terminals integrate the PIC24FJ128DA106-I/MR to drive a customer-facing TFT display showing transaction details, advertisements, and QR codes, while USB OTG connects to barcode scanners, receipt printers, and PIN pads. The graphics controller's hardware acceleration renders QR codes and product images smoothly, and the 16 MIPS performance handles UI refresh alongside transaction logic. The VQFN-64 9x9 mm package fits within slim POS chassis, and the exposed pad simplifies thermal management in enclosed retail enclosures. Multiple UART/SPI peripherals provide expansion to NFC readers and cash-drawer kick-out circuits through external drivers.
Recommended
Consumer Appliances with TFT UI
Premium consumer appliances (smart ovens, espresso machines, robotic vacuums with mapping displays) use the PIC24FJ128DA106-I/MR to drive small TFT panels showing menus, status animations, and Wi-Fi configuration screens. The integrated graphics controller keeps BOM cost low versus PIC32 + external LCD controller solutions, and the USB OTG enables firmware updates and in-field diagnostics via a service technician's laptop. The 128 KB Flash stores UI assets including icons and language strings for localization. NanoWatt sleep modes support Energy Star standby requirements (<1 W standby), critical for appliance certifications in EU and US markets.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ128DA106-I/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ256DA106-I/MR | PIC24FJ192DA106-I/MR | PIC24FJ64DA106-I/MR | PIC24FJ128GA106-I/MR |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | VQFN-64 (9x9 mm) | VQFN-64 (9x9 mm) - same | VQFN-64 (9x9 mm) - same | VQFN-64 (9x9 mm) - same | VQFN-64 (9x9 mm) - same |
| Flash Memory | 128 KB | 256 KB | 192 KB | 64 KB | 128 KB |
| RAM | 24 KB | 24 KB | 24 KB | 8 KB | 16 KB |
| CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| Graphics Controller | Yes (integrated, CLUT, 3x HW accel) | Yes | Yes | Yes | No (low-power variant) |
| USB | USB 2.0 OTG | USB 2.0 OTG | USB 2.0 OTG | USB 2.0 OTG | USB 2.0 OTG |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Key Differentiators
- Integrated graphics controller eliminates external LCD ASIC (vs PIC24FJ128GA106-I/MR)
- Higher Flash density in same package (vs PIC24FJ64DA106-I/MR)
- USB OTG with device, host, and dual-role modes (vs PIC24FJ128GA106-I/MR)
Design Notes
The VQFN-64 9x9 mm package has an exposed thermal pad that MUST be soldered to a PCB copper plane of at least 1 square inch for thermal relief. At maximum CPU activity (32 MHz with full peripheral bus), power dissipation can reach ~100 mW, which the package alone cannot dissipate without the pad copper. Place thermal vias in the pad area (typical 9-via array, 0.3 mm drill) connecting to an internal ground plane. The Microchip PIC24FJ128DA106 datasheet application section explicitly requires this layout for industrial temperature operation.
Route the TFT pixel clock and data signals as a matched-length bus with controlled impedance (typically 50 ohm single-ended). Keep the graphics controller pins grouped together on the PCB layer closest to the FPC connector to the display. Place 0.1 uF decoupling capacitors within 5 mm of every VDD pin, and a bulk 4.7-10 uF tantalum or ceramic cap near the IC supply input. The USB D+/D- lines require 33 ohm series resistors and a 90 ohm common-mode choke for full-speed OTG compliance per USB 2.0 spec.
Do not confuse the PIC24FJ128DA106 (graphics, DA family) with the PIC24FJ128GA106 (low-power, GA family) - they share the same VQFN-64 9x9 mm footprint but completely different feature sets. For applications needing only UART/SPI/I2C without graphics, choose the GA variant to access nanoWatt sleep modes. For applications needing graphics, the DA part is mandatory. Also verify that the IDEAL memory budget matches the GUI asset size: 24 KB RAM is sufficient for QVGA/WQVGA but tight for 640x480 framebuffers, which require external SDRAM and additional board complexity.
Place a 4.7 uF or greater bulk capacitor near the VBUS pin when using USB host mode (driving external USB devices), because the OTG controller's integrated charge pump can draw transient currents exceeding 100 mA during device enumeration. For device-only mode, the bulk capacitor may be omitted if the host supplies adequate upstream current. Keep the crystal/oscillator traces short and symmetric, and surround them with a ground guard ring to minimize EMI coupling to the high-speed pixel clock.
Compliance Information
RoHS and lead-free compliance per Microchip product page; AEC-Q100 not applicable for industrial-grade MCU (automotive grade would be PIC24FJ128DA106-E/MR variant); conflict minerals reporting available in Microchip's annual CMRT.
