PIC24FJ256DA106T-I/PT - 16-bit MCU, 256KB Flash, USB OTG | Microchip
MPN: PIC24FJ256DA106T-I/PT ✓ Hoạt độngPIC24FJ256DA106T-I/PT Tóm tắt
A PIC microcontroller (MCU) is a compact, self-contained computing device integrating a CPU core, Flash program memory, SRAM, EEPROM, and configurable peripherals (timers, ADC, communication controllers) into a single IC. The PIC24F sub-family uses a 16-bit modified Harvard architecture with RISC instruction set, optimized for low-power and mixed-signal embedded designs. PIC24F sits in the hierarchy MCU -> microcontroller -> embedded processor -> semiconductor, and PIC24FJ adds Flash program memory plus the J (J-series) low-power enhancements. The DA1-series integrates a dedicated graphics controller, reducing CPU overhead for TFT panels, while GB1/DA1 parts add USB OTG for device/host peripherals.
Key features of the PIC24FJ256DA106T-I/PT include 256 KB self-programmable Flash, 24 KB SRAM, hardware multiplier (16x16 in one cycle), 8-channel 10-bit ADC, RTCC, and parallel master port (PMP) for graphics data. The device supports 2.0V-3.6V operation, nanoWatt deep-sleep with sub-uA standby, and CTMU for capacitive touch. The 64-pin TQFP package exposes up to 52 digital I/O pins for ample user-interface expansion.
Typical applications include graphical human-machine interface (HMI) panels, USB consumer peripherals (HID/composite device), industrial control displays, medical bedside terminals, and battery-powered instrumentation with segmented or TFT graphical feedback. Design considerations: supply decoupling per Microchip AN585 (0.1 uF + 10 uF tantalum near VDD), trace length matching on PMP/graphics bus, and proper VCAP connection for the internal regulator.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ256DA106T-I/PT — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC24FJ256DA106T-I/PT (cùng hình factor và footprint) — khác nhau ở ADC, Core Architecture, Graphics Controller, Package, USB.
PIC24FJ256DA106-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ256DA106T-I/MR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ256GA106T-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ128GA006-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ128DA110T-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ256DA106T-I/PT Tỷ lệ tối đa & tính chất điện
| Architecture | PIC 16-bit modified Harvard, RISC |
| Core | PIC24F |
| Max CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 256 KB (85.5K x 24) |
| RAM | 24 KB |
| Operating Voltage | 2.0 V to 3.6 V |
| I/O Pins | 52 |
| ADC | 10-bit, up to 16 channels |
| Hộp | 64-pin TQFP (PT) 10x10 mm |
| Kiểu lắp đặt | Surface Mount |
| USB | USB 2.0 OTG (Full-Speed) |
| Graphics Controller | Integrated (PMP + dedicated) |
| Connectivity | I2C x3, UART/USART, SPI x3, IrDA |
| Nhiệt độ hoạt động | -40C to +85C (industrial) |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
Cấu hình chân PIC24FJ256DA106T-I/PT
| Chân 1 | RP15/RD15 — Remappable peripheral I/O / PMP data |
| Chân 2 | RP14/RD14 — Remappable peripheral I/O / PMP data |
| Chân 3 | RP13/RD13 — Remappable peripheral I/O / PMP data |
| Chân 4 | RP12/RD12 — Remappable peripheral I/O / PMP data |
| Chân 5 | RP11/RD11 — Remappable peripheral I/O / PMP data |
| Chân 6 | RP10/RD10 — Remappable peripheral I/O / PMP data |
| Chân 7 | RP9/RD9 — Remappable peripheral I/O / PMP data |
| Chân 8 | RP8/RD8 — Remappable peripheral I/O / PMP data |
| Chân 9 | RP7/RD7 — Remappable peripheral I/O / PMP data |
| Chân 10 | RP6/RD6 — Remappable peripheral I/O / PMP data |
| Chân 11 | RP5/RD5 — Remappable peripheral I/O / PMP data |
| Chân 12 | RP4/RD4 — Remappable peripheral I/O / PMP data |
| Chân 13 | RP3/RD3 — Remappable peripheral I/O / PMP data |
| Chân 14 | RP2/RD2 — Remappable peripheral I/O / PMP data |
| Chân 15 | RP1/RD1 — Remappable peripheral I/O / PMP data |
| Chân 16 | RP0/RD0 — Remappable peripheral I/O / PMP data |
| Chân 17 | RE7 — I/O port E |
| Chân 18 | RE6 — I/O port E |
| Chân 19 | RE5 — I/O port E |
| Chân 20 | RE4 — I/O port E |
| Chân 21 | RE3 — I/O port E |
| Chân 22 | VCAP — Internal regulator output (decoupling) |
| Chân 23 | RF6 — I/O port F |
| Chân 24 | RF5 — I/O port F |
| Chân 25 | RF4 — I/O port F |
| Chân 26 | RF3 — I/O port F |
| Chân 27 | RF2 — I/O port F |
| Chân 28 | RF1 — I/O port F |
| Chân 29 | RF0 — I/O port F |
| Chân 30 | AVDD — Analog supply |
| Chân 31 | AVSS — Analog ground |
| Chân 32 | AN0/RB19 — Analog input / I/O port B |
| Chân 33 | AN1/RB20 — Analog input / I/O port B |
| Chân 34 | AN2/RB21 — Analog input / I/O port B |
| Chân 35 | AN3/RB22 — Analog input / I/O port B |
| Chân 36 | AN4/RB23 — Analog input / I/O port B |
| Chân 37 | AN5/RB24 — Analog input / I/O port B |
| Chân 38 | AN6/RB25 — Analog input / I/O port B |
| Chân 39 | AN7/RB26 — Analog input / I/O port B |
| Chân 40 | AN8/RB27 — Analog input / I/O port B |
| Chân 41 | AN9/RB28 — Analog input / I/O port B |
| Chân 42 | OSC1/CLKI/RC12 — Oscillator input / clock input |
| Chân 43 | OSC2/CLKO/RC15 — Oscillator output / clock output |
| Chân 44 | RC1 — I/O port C |
| Chân 45 | RC2 — I/O port C |
| Chân 46 | RC3 — I/O port C |
| Chân 47 | RC4/SDI1 — I/O port C / SPI data in |
| Chân 48 | RG15 — I/O port G |
| Chân 49 | RG13 — I/O port G |
| Chân 50 | RG12 — I/O port G |
| Chân 51 | RG0 — I/O port G |
| Chân 52 | RG1 — I/O port G |
| Chân 53 | RG2 — I/O port G |
| Chân 54 | RG3 — I/O port G |
| Chân 55 | MCLR — Reset (active low) |
| Chân 56 | VDD — Digital supply |
| Chân 57 | VSS — Digital ground |
| Chân 58 | RA14 — I/O port A |
| Chân 59 | RA15 — I/O port A |
| Chân 60 | RA9 — I/O port A |
| Chân 61 | RA10 — I/O port A |
| Chân 62 | RB4 — I/O port B |
| Chân 63 | RB5 — I/O port B |
| Chân 64 | RB6 — I/O port B / PGEC1 (ICSP clock) |
Ứng dụng tiêu biểu
PIC24FJ256DA106T-I/PT phù hợp cho 6 Áp dụngs: Graphical Human-Machine Interface (HMI) Panels, USB OTG Peripherals (HID, Composite, Mass Storage), Industrial Control Displays with Touch, Medical Bedside Terminals and Patient Monitors, Battery-Powered Graphical Handheld Instruments, Consumer Electronics with USB Connectivity.
Graphical Human-Machine Interface (HMI) Panels
The PIC24FJ256DA106T-I/PT is purpose-built for graphical HMI panels: its integrated graphics controller offloads drawing primitives (line, rectangle, text) from the CPU, while the Parallel Master Port (PMP) drives 8/16-bit TFT controllers (SSD1963, RA8875) directly. Per Microchip datasheet DS39905, the 24 KB SRAM is enough to buffer a full QVGA (320x240) frame, and the 32 MHz / 16 MIPS core handles button decoding and CTMU touch sensing concurrently. Place the MCU between the user interface PCB and a 3.5"-4.3" TFT for industrial control panel designs with sub-30 mW active power.
Được đề xuất
USB OTG Peripherals (HID, Composite, Mass Storage)
The PIC24FJ256DA106T-I/PT integrates a USB 2.0 Full-Speed OTG transceiver with internal 3.3 V regulator, eliminating external PHY chips. Per Microchip datasheet DS39905 and application note AN1078 (USB stack), the device supports device, host, and dual-role modes using the Microchip MLA stack. The 256 KB Flash is sufficient for HID + composite + CDC stacks with bootloaders, and 24 KB SRAM buffers incoming USB packets. Best fit for USB barcode scanners, custom keyboards, and field-updatable medical instruments.
Được đề xuất
Industrial Control Displays with Touch
For industrial operator panels with capacitive touch, the PIC24FJ256DA106T-I/PT combines CTMU (Charge Time Measurement Unit) for up to 64 touch buttons with the integrated graphics controller. Per Microchip datasheet DS39905, CTMU delivers sub-percent capacitance resolution without external touch controller IC. Industrial operating temperature -40C to +85C, 3.3 V single supply, and 64-pin TQFP surface mount make it rugged for factory-floor deployments. Pair with 4-20 mA analog front-ends over I2C/SPI for sensor-driven HMI.
Được đề xuất
Medical Bedside Terminals and Patient Monitors
The PIC24FJ256DA106T-I/PT suits medical bedside terminals: integrated graphics controller drives TFT waveforms, USB OTG connects to nurse-call peripherals, and nanoWatt deep-sleep (<1 uA standby per Microchip datasheet DS39905) preserves battery life in portable carts. The 256 KB Flash supports encrypted patient-record UI, and the 10-bit ADC reads vital-sign analog front-ends. 3.3 V single-supply simplifies IEC 60601-1 isolation design; pair with medical-grade DC-DC converters for 5 kV reinforced isolation.
Được đề xuất
Battery-Powered Graphical Handheld Instruments
For battery-powered handheld instruments (portable gas detectors, environmental meters with TFT display), the PIC24FJ256DA106T-I/PT delivers 16 MIPS performance at sub-30 mW active and nanoWatt deep-sleep <1 uA standby (per Microchip datasheet DS39905). The integrated graphics controller eliminates the need for a separate TFT driver MCU, reducing BOM cost and quiescent draw. 64-pin TQFP (10x10 mm) supports compact handheld PCBs; pair with a 3.3 V Li-Ion/LiFePO4 buck-boost and segmented LCD backup indicators for low-battery UX.
Được đề xuất
Consumer Electronics with USB Connectivity
The PIC24FJ256DA106T-I/PT is well-suited for consumer USB peripherals: game controllers, USB audio interfaces, custom keyboards, and USB mass-storage devices. Per Microchip datasheet DS39905 and application note AN1078, USB OTG + integrated 3.3 V regulator reduce external component count. 256 KB Flash holds USB class drivers and custom HID descriptors, 24 KB SRAM handles USB endpoint buffers, and 32 MHz provides responsive HID polling. 2.0 V-3.6 V single supply and low BOM make it attractive for cost-sensitive consumer designs.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ256DA106T-I/PT — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC24FJ256DA106-I/PT | PIC24FJ256DA106T-I/MR | PIC24FJ256GA106T-I/PT | PIC24FJ128GA006-I/PT | PIC24FJ128DA110T-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Core Architecture | PIC24F (16-bit, RISC) | PIC24F (16-bit, RISC) - same | PIC24F (16-bit, RISC) - same | PIC24F (16-bit, RISC) - same | PIC24F (16-bit, RISC) - same | PIC24F (16-bit, RISC) - same |
| Max CPU 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 | 256 KB | 256 KB | 256 KB | 256 KB | 128 KB (-50%) | 128 KB (-50%) |
| RAM | 24 KB | 24 KB | 24 KB | 16 KB (-33%) | 8 KB (-67%) | 24 KB |
| USB OTG | Yes (Full-Speed) | Yes | Yes | No | No | No |
| Graphics Controller (PMP) | Integrated (DA1 graphics) | Integrated | Integrated | No (general-purpose variant) | No | Integrated (DA1 graphics) |
Bảo phân biệt quan trọng
- Integrated graphics controller with PMP for direct panel drive (vsPIC24FJ256GA106T-I/PT)
- USB 2.0 Full-Speed OTG integrated transceiver (vsPIC24FJ128DA110T-I/PT)
- Largest Flash + RAM in DA1 family in 64-TQFP (vsPIC24FJ128DA110T-I/PT)
Ghi chú thiết kế
The PIC24FJ256DA106T-I/PT integrates a 2.5V/1.8V core LDO that requires a 10 uF + 0.1 uF decoupling pair on the VCAP pin (pin 22 of 64-TQFP) per Microchip datasheet DS39905. Place the bulk ceramic as close as possible to VCAP, and use a low-ESR X7R type rated 6.3V minimum. AVDD/AVSS pair (pins 30/31) must be tied with separate traces and a local 0.1 uF + 10 uF decoupling set per AN585; analog traces should reference the AVSS star ground.
For TFT panel applications, the Parallel Master Port (PMP) data lines (RD0-RD15) and control lines should be length-matched within 1 mm to keep PMP reads/writes synchronized with the TFT controller clock. Per Microchip datasheet DS39905 graphics controller section, add a 33 ohm series resistor on each PMP line near the MCU for source-termination if the panel flex cable exceeds 50 mm. USB D+/D- traces must be 90 ohm differential, max length 50 mm per USB 2.0 specification, with a common-mode choke near the connector.
Do not confuse the PIC24FJ256DA106 family (integrated graphics controller + USB OTG) with the PIC24FJ256GA106 family (general-purpose, no graphics, no USB OTG). Both share the same 64-pin TQFP (10x10 mm) package but software targeting graphics primitives or USB OTG on the GA variant will not run. Per Microchip datasheet DS39905, the DA suffix specifically denotes the dedicated graphics + USB-OTG subset; the GA suffix denotes general-purpose PPS/CTMU peripheral subset.
Thông tin tuân thủ
RoHS compliance and lead-free status from Microchip product page (microchip.com/en-us/product/PIC24FJ256DA106). Not AEC-Q100 qualified - this is a general-purpose industrial MCU. Halogen-free status not stated in verified data.