PIC24FJ256DA106-I/PT - 256KB Flash 16-Bit MCU with Graphics | Microchip
Teilenummer: PIC24FJ256DA106-I/PT ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $8.52 | $8,52 |
| 10 | $7.69 | $76,90 |
| 100 | $6.84 | $684,00 |
| 500 | $6.12 | $3.060,00 |
| 1.000 | $5.46 | $5.460,00 |
PIC24FJ256DA106-I/PT Übersicht
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals on one die. The PIC24F family uses a modified Harvard architecture running a 16-bit instruction word with a 16-bit working register array, a 17-bit x 17-bit single-cycle hardware multiplier, and a hardware 16/16-bit divider. The 'DA' sub-family extends the base 'GA' general-purpose line by adding a dedicated graphics display controller, a parallel graphics port (EPMP/GFX), and USB OTG - targeting cost-sensitive graphical HMI products where bill-of-materials pressure rules out an external GPU.
Key features of this device include 256 KB self-programmable Flash with code-guard security, 24 KB SRAM, an 8 MHz internal oscillator with 4x PLL (yielding the 32 MHz CPU clock), a Charge Time Measurement Unit (CTMU) for capacitive touch sensing on up to 64 buttons, Peripheral Pin Select (PPS) that remaps digital peripherals to almost any I/O, and multiple serial interfaces (UART, SPI, I2C). The CTMU and PPS combination is what allows the PIC24FJ256DA106 to replace dedicated touch controllers and external pin-mux chips in cost-optimised designs.
Architecturally the part combines a C-compiler-optimized RISC engine with the EPMP graphics engine, a DMA controller, a 16-bit timer/counter bank, a 10-bit 500 ksps ADC (typically 16 channels on the 64-pin device), and a USB 2.0 full-speed OTG transceiver. The integrated graphics block accelerates line draw, blit, text render, and alpha blending in hardware, offloading the CPU and enabling smooth GUI refresh at 60 Hz on WQVGA panels. The 32 MHz CPU core executes most instructions in one cycle, so the DMA + EPMP pair can sustain pixel throughput without CPU intervention.
Typical applications for the PIC24FJ256DA106-I/PT include low-cost graphical user interfaces on home appliances, white-goods control panels, industrial operator terminals, medical bedside displays, USB-connected point-of-sale terminals, and any embedded product needing a color TFT (up to 4.3" WQVGA) with capacitive touch without paying for a separate graphics controller IC.
When designing with this device, observe Microchip's recommended decoupling (100 nF ceramic on every VDD/VSS pair), keep the PLL filter network short, and reserve a programming/debug pin pair for ICSP. The on-chip 3.3V LDO regulator requires its own bulk capacitor and a ferrite bead if the analog supply is noise-sensitive. For CTMU-based touch, the PCB layout and ground flood directly affect measurement repeatability.
This page synthesizes XAIPART distributor pricing, drop-in TQFP-64 alternatives from the PIC24FJ family, and practical hardware design notes that complement (not duplicate) the manufacturer datasheet.
Drop-in-Alternativen für PIC24FJ256DA106-I/PT – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit PIC24FJ256DA106-I/PT (gleiche Bauform und Footprint) – abweichend in ADC, Package, Core Architecture, Program Memory (Flash), Operating Temperature.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
PIC24FJ256GA106-I/PT
✅ Drop-In✓ Auf Lager
$4.3 / Stück
Datenblatt ansehen →PIC24FJ128DA106-I/PT
✅ Drop-In✓ Auf Lager
$5.07 / Stück
Datenblatt ansehen →PIC24FJ128GA106-I/PT
✅ Drop-In✓ Auf Lager
$4.88 / Stück
Datenblatt ansehen →PIC24FJ192GA106-I/PT
✅ Drop-In✓ Auf Lager
$4.35 / Stück
Datenblatt ansehen →PIC24FJ256GA106-I/MR
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
PIC24FJ256DA106-I/PT Grenzwerte & elektrische Eigenschaften
| Family | PIC24F-DA (eXtreme low power, 16-bit) |
| Core Architecture | Modified Harvard, 16-bit instruction word |
| CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 256 KB (85.5K x 24) |
| Data Memory (RAM) | 24 KB |
| Operating Voltage | 2.0 V to 3.6 V |
| Graphics Controller | Integrated (drives up to 4.3" WQVGA, 480 x 272) |
| USB | USB 2.0 Full-Speed On-The-Go (OTG) |
| Internal Oscillator | 8 MHz with 4x PLL and multiple divider options |
| Hardware Multiplier / Divider | 17 x 17-bit single-cycle multiplier; 16/16-bit hardware divider |
| ADC | 10-bit, 500 ksps (channel count package-dependent) |
| CTMU | Yes (touch sensing support) |
| Peripheral Pin Select (PPS) | Yes |
| Gehäuse | 64-pin TQFP (PT), 10 x 10 mm |
| Betriebstemperatur | -40 C to +85 C (Industrial, "/I") |
| RoHS-Status | Compliant |
| Montageart | Surface Mount |
| MSL-Level | 3 (per JEDEC J-STD-020) |
PIC24FJ256DA106-I/PT Pin-Konfiguration
| Pin 1 | RP3/RF3 — Remappable I/O / general-purpose digital |
| Pin 2 | RP4/RF4 — Remappable I/O / general-purpose digital |
| Pin 3 | RP5/RF5 — Remappable I/O / general-purpose digital |
| Pin 4 | AVDD1 — Analog supply (3.3 V) |
| Pin 5 | AVSS1 — Analog ground |
| Pin 6 | PMA0/AN0 — Parallel graphics port address / ADC input |
| Pin 7 | PMA1/AN1 — Parallel graphics port / ADC input |
| Pin 8 | PMA2/AN2 — Parallel graphics port / ADC input |
| Pin 9 | PMA3/AN3 — Parallel graphics port / ADC input |
| Pin 10 | AN4/PMALL — ADC input / pixel latch |
| Pin 11 | AN5/PMALH — ADC input / pixel latch |
| Pin 12 | VREF-/CVREF- — ADC reference low |
| Pin 13 | VREF+/CVREF+ — ADC reference high |
| Pin 14 | AVDD2 — Analog supply 2 |
| Pin 15 | AVSS2 — Analog ground 2 |
| Pin 16 | VDD — Digital supply (2.0-3.6 V) |
| Pin 17 | VSS — Digital ground |
| Pin 18 | PMD0 — Parallel graphics port data bit 0 |
| Pin 19 | PMD1 — Parallel graphics port data bit 1 |
| Pin 20 | PMD2 — Parallel graphics port data bit 2 |
| Pin 21 | PMD3 — Parallel graphics port data bit 3 |
| Pin 22 | PMD4 — Parallel graphics port data bit 4 |
| Pin 23 | PMD5 — Parallel graphics port data bit 5 |
| Pin 24 | PMD6 — Parallel graphics port data bit 6 |
| Pin 25 | PMD7 — Parallel graphics port data bit 7 |
| Pin 26 | VDD — Digital supply |
| Pin 27 | VSS — Digital ground |
| Pin 28 | PMRD/PMWR — Parallel graphics port read/write strobe |
| Pin 29 | PMCS1 — Parallel graphics port chip select 1 |
| Pin 30 | PMCS2 — Parallel graphics port chip select 2 |
| Pin 31 | RF4 — General-purpose I/O (RP1) |
| Pin 32 | RF5 — General-purpose I/O (RP2) |
| Pin 33 | RB5/PMBE0 — Port B I/O / parallel port byte enable 0 |
| Pin 34 | RB4/PMBE1 — Port B I/O / parallel port byte enable 1 |
| Pin 35 | RB3/AN9 — Port B I/O / ADC input |
| Pin 36 | RB2/AN8 — Port B I/O / ADC input |
| Pin 37 | RB1/AN7 — Port B I/O / ADC input |
| Pin 38 | RB0/AN6 — Port B I/O / ADC input |
| Pin 39 | VDD — Digital supply |
| Pin 40 | VSS — Digital ground |
| Pin 41 | RC15/OSC2 — Crystal oscillator output |
| Pin 42 | RC13/SOSC2 — Secondary oscillator output |
| Pin 43 | RC14/SOSC1 — Secondary oscillator input |
| Pin 44 | OSC1/CLKI — Crystal oscillator input / external clock |
| Pin 45 | D+ — USB OTG data plus |
| Pin 46 | D- — USB OTG data minus |
| Pin 47 | VBUS — USB OTG VBUS sense |
| Pin 48 | VUSB3V3 — USB internal LDO output (3.3 V) |
| Pin 49 | RG3 — Port G I/O |
| Pin 50 | RG2 — Port G I/O |
| Pin 51 | RG1 — Port G I/O |
| Pin 52 | RG0 — Port G I/O |
| Pin 53 | RF6 — Port F I/O |
| Pin 54 | RF7 — Port F I/O |
| Pin 55 | RF8 — Port F I/O |
| Pin 56 | RF3 — Port F I/O |
| Pin 57 | RG6 — Port G I/O |
| Pin 58 | RG7 — Port G I/O |
| Pin 59 | RG8 — Port G I/O |
| Pin 60 | RG9 — Port G I/O |
| Pin 61 | MCLR — Master clear (reset) input |
| Pin 62 | PGEC1 — ICSP programming / debug clock 1 |
| Pin 63 | PGED1 — ICSP programming / debug data 1 |
| Pin 64 | PGEC2 — ICSP programming / debug clock 2 |
Typische Anwendungen
PIC24FJ256DA106-I/PT ist geeignet für 7 Anwendungs: Home Appliance HMI Panel, Industrial Operator Terminal, Medical Bedside Display, USB-Connected Point-of-Sale Terminal, Portable Measurement Instrument, IoT Sensor Gateway with Local HMI, Consumer Smart-Home Control Hub.
Home Appliance HMI Panel
The PIC24FJ256DA106-I/PT's integrated graphics controller and 4.3" WQVGA TFT support make it ideal for washing-machine, oven, and dishwasher control panels that need smooth icon-driven UIs without an external GPU. Its 256 KB Flash stores multilingual bitmap assets and fonts, while the CTMU provides capacitive touch on up to 64 buttons, eliminating a separate touch controller IC. Industrial-grade -40C to +85C operation matches appliance under-cabinet thermal requirements. Power-conscious designs benefit from the deep-sleep current under 100 nA typical in sleep modes.
Empfohlen
Industrial Operator Terminal
For factory-floor operator panels needing a 4.3" color display plus USB logging, the PIC24FJ256DA106-I/PT combines the EPMP/GFX engine, USB OTG, and CTMU touch sensing in a single chip. The 16 MIPS CPU runs protocol stacks (Modbus, CANopen via SPI gateway) while the dedicated DMA sustains 60 Hz GUI refresh. PPS remaps peripherals to avoid PCB routing conflicts in space-constrained panels. The 32 MHz / 16 MIPS performance is sufficient for control loops up to a few hundred Hz with hardware-assisted DMA updates.
Empfohlen
Medical Bedside Display
The PIC24FJ256DA106-I/PT is well suited to bedside patient monitors or infusion-pump interfaces that require a clear color TFT up to 4.3" WQVGA and reliable capacitive touch. The on-chip graphics engine accelerates vital-sign waveforms and alpha-blended overlays without burdening the 16 MIPS CPU. The 10-bit 500 ksps ADC digitizes sensor inputs while PPS remaps the I2C bus to the same physical pins used on a legacy design. Operating temperature spans -40C to +85C, supporting clinical and home-health environments.
Empfohlen
USB-Connected Point-of-Sale Terminal
USB OTG capability makes the PIC24FJ256DA106-I/PT a strong fit for compact POS terminals that need USB device connectivity to a host tablet or printer plus a graphical receipt preview. The integrated graphics controller drives a small color TFT for transaction confirmation, while 256 KB Flash holds font tables and transaction flow logic. CTMU enables a sealed glass-front keypad without mechanical buttons, improving ingress protection. The C-compiler-optimized core simplifies porting of existing application code from PIC24F GA devices.
Empfohlen
Portable Measurement Instrument
Handheld multimeters and process calibrators benefit from the PIC24FJ256DA106-I/PT's combination of a 10-bit 500 ksps ADC, integrated TFT graphics, and USB OTG for data download. The 16 MIPS core runs averaging filters and unit conversions while the hardware graphics block redraws waveforms and menus. CTMU touch keys survive the harsher front-panel environment of test equipment. Deep-sleep modes help meet battery-life targets between charges, while the wide 2.0 V to 3.6 V supply range tolerates single-cell Li-Ion discharge curves.
Empfohlen
IoT Sensor Gateway with Local HMI
The PIC24FJ256DA106-I/PT serves as a compact IoT gateway that aggregates sensor data over UART/SPI/I2C and shows live status on a local 4.3" WQVGA TFT, removing the need for an external display controller. USB OTG provides either host mass-storage export or device-mode configuration. PPS simplifies PCB routing when many sensors share pin assignments, and CTMU supports sealed front-panel touch keys. The C-optimized core runs network stacks on top of an external wireless module such as an MRF24WG0MA or ATWINC1500.
Empfohlen
Consumer Smart-Home Control Hub
Smart-home hubs with a small color display rely on the PIC24FJ256DA106-I/PT for its integrated graphics engine, capacitive touch via CTMU, and USB OTG for firmware updates. The 256 KB Flash stores GUI assets, ZigBee-equivalent protocol glue, and device-pairing tables. PPS allows the UART, SPI, and I2C buses to be remapped around a constrained PCB layout. The deep-sleep current under 100 nA typical helps meet always-on energy budgets when the panel is idle.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für PIC24FJ256DA106-I/PT – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | PIC24FJ256GA106-I/PT | PIC24FJ128DA106-I/PT | PIC24FJ128GA106-I/PT | PIC24FJ192GA106-I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-pin TQFP (10x10) | 64-pin TQFP (10x10) - same | 64-pin TQFP (10x10) - same | 64-pin TQFP (10x10) - same | 64-pin TQFP (10x10) - same |
| CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| Program Flash | 256 KB | 256 KB | 128 KB | 128 KB | 192 KB |
| RAM | 24 KB | 24 KB | 24 KB | 24 KB | 24 KB |
| Graphics Controller | Yes (4.3" WQVGA) | No | Yes (4.3" WQVGA) | No | No |
| USB OTG | Yes (Full-Speed) | No | Yes (Full-Speed) | No | No |
| CTMU Touch Support | Yes (up to 64 buttons) | Yes | Yes | Yes | Yes |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Lifecycle Status | Active | Active | Active | Active | Active |
Wichtigste Unterscheidungsmerkmale
- Integrated graphics controller for 4.3" WQVGA (vs. PIC24FJ256GA106-I/PT)
- USB OTG in same package (vs. PIC24FJ256GA106-I/PT)
- Largest Flash in pin-compatible PIC24FJ DA106 line (vs. PIC24FJ128DA106-I/PT)
Designhinweise
Decouple every VDD/VSS pin pair with a 100 nF ceramic capacitor placed as close as physically possible to the IC. The PIC24FJ256DA106-I/PT operates from 2.0 V to 3.6 V; using a dedicated low-noise LDO such as MCP1700 for the analog supply (AVDD1/AVDD2) reduces ADC and CTMU noise. The internal USB LDO requires a 4.7 uF bulk capacitor on VUSB3V3 (pin 48), and adding a ferrite bead between VBUS and VUSB3V3 helps isolate noisy hosts.
Keep the EPMP/GFX parallel graphics port traces matched in length to within ~50 mils and route them over a continuous ground plane to maintain signal integrity on a 4.3" WQVGA interface. USB D+/D- traces should be 90 ohm differential and as short as possible. The ICSP pins PGEC1/PGED1 must be brought to a header or test pad; do not share them with display signals. Provide a guard trace or hatched ground around the CTMU touch inputs to suppress EMI.
Do not omit the 8 MHz crystal or external clock source if your application relies on accurate USB full-speed timing - the internal oscillator alone is not specified for USB. Configure the PLL only after the system is stable and never exceed the 32 MHz CPU clock. Reserve at least one UART and one I2C bus for firmware update and in-field debug, and avoid remapping them under PPS without verifying that no internal peripheral conflict arises.
Compliance-Informationen
RoHS and REACH compliance per Microchip product page; industrial temperature grade -40C to +85C. Not AEC-Q100 qualified (not an automotive part). Halogen-free status not explicitly listed in retrieved data.
