PIC24FJ128DA106-I/PT - 16-Bit 32MHz 128KB Flash MCU | Microchip
MPN: PIC24FJ128DA106-I/PT ✓ Hoạt độngPIC24FJ128DA106-I/PT Tóm tắt
A 16-bit microcontroller (MCU) is a programmable processor that executes instructions 16 bits wide, providing a balance between the simplicity of 8-bit MCUs and the throughput of 32-bit MCUs. In the broader taxonomy, the PIC24FJ belongs to the microcontroller family, which sits under embedded processors and then semiconductor integrated circuits. 16-bit MCUs are commonly deployed in human-machine interface (HMI), industrial control, and consumer products where deterministic interrupt latency, generous memory, and rich peripherals are required.
Key differentiating features include the integrated graphics controller with hardware acceleration, native USB OTG support, and the CTMU for capacitive touch sensing. The device also integrates a 16-channel 10-bit A/D converter, three analog comparators, five 16-bit timers, a hardware real-time clock/calendar (RTCC), and two UART/I2C/SPI modules. The 128 KB flash is sufficient to host a graphical user interface, a USB stack, and application code simultaneously.
The PIC24F-DA family is manufactured on a low-power CMOS process and supports nanoWatt XLP-style sleep modes for battery-friendly operation. Its MIPS-based 16-bit core delivers approximately 16 MIPS at 32 MHz, with single-cycle multiply and hardware divide. The integrated graphics master port and dedicated display controller reduce BOM cost for TFT panel designs.
Typical applications include graphical user interfaces on industrial HMIs, point-of-sale terminals, medical device displays, USB-connected embedded peripherals, and capacitive touch panels. The wide peripheral set also makes it suitable for portable instrumentation where battery life and small PCB footprint are priorities.
When designing with this part, confirm the PCB footprint is a 64-pin TQFP (0.5 mm pitch) layout, allocate sufficient decoupling near the VDD/VSS pairs, and follow Microchip's graphics library guidelines for the panel interface. Ensure the chosen display timing matches the part's QVGA/WQVGA configuration ranges.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that are not found in the manufacturer datasheet alone, helping procurement and engineering teams make a faster sourcing decision.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ128DA106-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 PIC24FJ128DA106-I/PT (cùng hình factor và footprint) — khác nhau ở Package, ADC, MSL Level, Core Architecture, I/O Pins.
PIC24FJ128GA106-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ256GB106-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ128DA106-I/MR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ128DA106-I/ML
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ128DA106-I/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC24F (16-bit modified Harvard) |
| Core Size | 16-bit |
| CPU Speed | 32 MHz |
| MIPS | 16 MIPS |
| Program Memory (Flash) | 128 KB (43K x 24) |
| RAM | 24 KB |
| Number of I/O Pins | 52 |
| Oscillator Type | Internal |
| Hộp | 64-pin TQFP (10x10 mm), 0.5 mm pitch |
| Kiểu lắp đặt | Surface Mount |
| USB Interface | USB On-The-Go (OTG) |
| A/D Converter | 10-bit, 16 channels |
| Graphics Controller | Integrated, up to 4.3" WQVGA 480x272 |
| Timers | Five 16-bit |
| CTMU | Charge Time Measurement Unit (touch sensing) |
| RTCC | Hardware Real-Time Clock/Calendar |
| Khoảng nhiệt độ hoạt động | -40C to +85C (industrial, 'I' suffix) |
| Cấp MSL | 3 |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
Cấu hình chân PIC24FJ128DA106-I/PT
| Chân 1 | RP0/RF0 — Remappable peripheral I/O / I/O pin |
| Chân 2 | RP1/RF1 — Remappable peripheral I/O / I/O pin |
| Chân 3 | RP2/RF2 — Remappable peripheral I/O / I/O pin |
| Chân 4 | RP3/RF3 — Remappable peripheral I/O / I/O pin |
| Chân 5 | RP4/RF4 — Remappable peripheral I/O / I/O pin |
| Chân 6 | RP5/RF5 — Remappable peripheral I/O / I/O pin |
| Chân 7 | RP6/RF6 — Remappable peripheral I/O / I/O pin |
| Chân 8 | RP7/RF7 — Remappable peripheral I/O / I/O pin |
| Chân 9 | RP8/RF8 — Remappable peripheral I/O / I/O pin |
| Chân 10 | VDD — Positive supply (2.0V to 3.6V) |
| Chân 11 | RP9/RF9 — Remappable peripheral I/O / I/O pin |
| Chân 12 | RP10/RF10 — Remappable peripheral I/O / I/O pin |
| Chân 13 | RP11/RF11 — Remappable peripheral I/O / I/O pin |
| Chân 14 | RP12/RF12 — Remappable peripheral I/O / I/O pin |
| Chân 15 | RP13/RF13 — Remappable peripheral I/O / I/O pin |
| Chân 16 | RP14/RF14 — Remappable peripheral I/O / I/O pin |
| Chân 17 | RP15/RF15 — Remappable peripheral I/O / I/O pin |
| Chân 18 | VSS — Ground reference |
| Chân 19 | RA0 — I/O pin |
| Chân 20 | RA1 — I/O pin |
| Chân 21 | RA2 — I/O pin |
| Chân 22 | RA3 — I/O pin |
| Chân 23 | RA4 — I/O pin |
| Chân 24 | RA5 — I/O pin |
| Chân 25 | RA6 — I/O pin |
| Chân 26 | RA7 — I/O pin |
| Chân 27 | AVDD — Analog positive supply |
| Chân 28 | AVSS — Analog ground |
| Chân 29 | RB0 — I/O pin / programming |
| Chân 30 | RB1 — I/O pin |
| Chân 31 | RB2 — I/O pin |
| Chân 32 | RB3 — I/O pin |
| Chân 33 | RB4 — I/O pin |
| Chân 34 | RB5 — I/O pin |
| Chân 35 | RB6 — I/O pin / ICSPCLK |
| Chân 36 | RB7 — I/O pin / ICSPDAT |
| Chân 37 | RC1 — I/O pin |
| Chân 38 | RC2 — I/O pin |
| Chân 39 | RC3 — I/O pin |
| Chân 40 | RC4 — I/O pin |
| Chân 41 | RD0 — I/O pin |
| Chân 42 | RD1 — I/O pin |
| Chân 43 | RD2 — I/O pin |
| Chân 44 | RD3 — I/O pin |
| Chân 45 | RD4 — I/O pin |
| Chân 46 | RD5 — I/O pin |
| Chân 47 | RD6 — I/O pin |
| Chân 48 | RD7 — I/O pin |
| Chân 49 | RE0 — I/O pin |
| Chân 50 | RE1 — I/O pin |
| Chân 51 | RE2 — I/O pin |
| Chân 52 | RE3 — I/O pin |
| Chân 53 | RE4 — I/O pin |
| Chân 54 | RE5 — I/O pin |
| Chân 55 | RE6 — I/O pin |
| Chân 56 | RE7 — I/O pin |
| Chân 57 | RG0 — I/O pin |
| Chân 58 | RG1 — I/O pin |
| Chân 59 | RG2 — I/O pin / D+ USB |
| Chân 60 | RG3 — I/O pin / D- USB |
| Chân 61 | RG6 — I/O pin |
| Chân 62 | RG7 — I/O pin |
| Chân 63 | RG8 — I/O pin |
| Chân 64 | RG9 — I/O pin |
Ứng dụng tiêu biểu
PIC24FJ128DA106-I/PT phù hợp cho 6 Áp dụngs: Industrial HMI with TFT Display, USB Point-of-Sale Terminal, Portable Medical Device Display, Capacitive Touch Control Panel, Embedded USB Host Device, Consumer Appliance Control Board.
Industrial HMI with TFT Display
The PIC24FJ128DA106-I/PT is purpose-built for 4.3" WQVGA HMIs because its integrated graphics controller and parallel master port drive 480x272 TFT panels directly without an external LCD controller. The 128 KB flash and 24 KB RAM comfortably fit Microchip's Graphics Library primitives, button widgets, and frame buffers. At 32 MHz / 16 MIPS, the MCU can refresh the display and still poll capacitive touch inputs through the CTMU. Designers save BOM cost and PCB area versus discrete MCU-plus-controller solutions, while the 52 I/O leave headroom for RS-485, encoder, and relay interfaces typical on factory-floor panels.
Được đề xuất
USB Point-of-Sale Terminal
USB OTG makes the PIC24FJ128DA106-I/PT a strong fit for compact point-of-sale terminals that must communicate with printers, scanners, or host PCs over USB. The on-chip USB OTG controller eliminates external transceiver cost, while the 16 MIPS core processes transactions and renders receipts on the integrated graphics display. The 128 KB flash hosts a USB stack plus application firmware, and the 24 KB RAM buffers transaction logs. The 64-pin TQFP package keeps the PCB small enough for handheld form factors typical in retail.
Được đề xuất
Portable Medical Device Display
Battery-powered medical devices benefit from the PIC24FJ128DA106-I/PT's nanoWatt-style sleep modes, integrated TFT graphics, and CTMU for touch-based user input. The 16 MIPS performance is sufficient for waveform visualization on small WQVGA panels used in patient monitors and portable diagnostics. The industrial temperature grade (-40C to +85C) supports clinical environments with temperature swings. The single-chip integration reduces board space, helping achieve the compact, lightweight form factors required for handheld medical equipment.
Được đề xuất
Capacitive Touch Control Panel
The on-chip CTMU enables the PIC24FJ128DA106-I/PT to scan up to 64 capacitive touch buttons without an external touch controller IC. Combined with the integrated graphics controller, the MCU handles both touch acquisition and on-screen feedback on a 4.3" panel in a single device. The 16-channel 10-bit ADC and five 16-bit timers give plenty of headroom for sensor fusion and LED feedback PWM. Designers gain a lower BOM cost and simpler firmware versus discrete touch-controller solutions.
Được đề xuất
Embedded USB Host Device
USB OTG in host mode lets the PIC24FJ128DA106-I/PT connect to USB mass-storage, keyboards, or printers in kiosk and embedded systems. The 128 KB flash and 24 KB RAM are large enough to run a USB host stack plus a file system and small UI. Industrial temperature rating and the robust TQFP package suit unattended installations such as factory kiosks and information terminals. The integrated graphics controller enables direct panel rendering without additional hardware.
Được đề xuất
Consumer Appliance Control Board
White goods and consumer appliances with graphical interfaces - such as washing machines, ovens, and smart thermostats - benefit from the PIC24FJ128DA106-I/PT's single-chip display-plus-control capability. The MCU drives the user TFT, scans capacitive touch buttons, and handles motor control timing using its 16-bit timers. The industrial temperature grade covers appliance environments, and the TQFP package survives standard SMT production flows. Reduced BOM and faster firmware development accelerate time-to-market for consumer product teams.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ128DA106-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 | PIC24FJ128GA106-I/PT | PIC24FJ256GB106-I/PT | PIC24FJ128DA106-I/MR | PIC24FJ128DA106-I/ML | LPC1768FBD100 | STM32F407VGT6 |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | NXP Semiconductors | STMicroelectronics |
| 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 | 100-pin LQFP (14x14) - different | 100-pin LQFP (14x14) - different |
| Core | PIC24F 16-bit | PIC24F 16-bit | PIC24F 16-bit | PIC24F 16-bit | PIC24F 16-bit | Cortex-M3 32-bit | Cortex-M4 32-bit |
| CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 100 MHz / 125 DMIPS | 168 MHz / 210 DMIPS |
| Program Flash | 128 KB | 128 KB | 256 KB | 128 KB | 128 KB | 512 KB | 1 MB |
| RAM | 24 KB | 24 KB | 24 KB | 24 KB | 24 KB | 64 KB | 192 KB |
| USB OTG | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Integrated Graphics Controller | Yes (up to 4.3" WQVGA) | No | No | Yes (same die) | Yes (same die) | No | No (external FSMC TFT) |
| CTMU Touch Support | Yes | Yes | Yes | Yes | Yes | No | No (external touch IC) |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Bảo phân biệt quan trọng
- Integrated graphics controller for 4.3" WQVGA displays (vsPIC24FJ128GA106-I/PT)
- Same TQFP-64 footprint for easy upgrade path (vsPIC24FJ256GB106-I/PT)
- USB OTG integrated without external transceiver (vsLPC1768FBD100)
- CTMU capacitive touch sensing on-chip (vsSTM32F407VGT6)
Ghi chú thiết kế
Place 100 nF decoupling capacitors as close as possible to every VDD/VSS pin pair on the PIC24FJ128DA106-I/PT, plus a bulk 4.7 uF to 10 uF tantalum or ceramic near the VDD pin group. Add a ferrite bead or small inductor on the analog AVDD rail to isolate it from digital switching noise, which is critical for clean ADC readings on the 16-channel 10-bit ADC. Operating voltage is 2.0V to 3.6V; ensure the regulator has at least 100 mV of headroom under full USB OTG load transients.
Route the USB D+ and D- differential pair on the PIC24FJ128DA106-I/PT with 90 ohm differential impedance, length-matched within 2 mm, and kept short to the connector. Use a 15 kohm pull-down on the ID pin for OTG role detection. The 64-pin TQFP at 0.5 mm pitch requires careful solder paste stencil design; a 4 mil stencil and reflow profile following JEDEC J-STD-020 are recommended. Reserve a 4-layer stack-up with a dedicated ground plane under the MCU for return-current integrity on the parallel master port to the TFT.
Do not assume the PIC24FJ128GA106 and PIC24FJ128DA106 firmware are interchangeable - the DA part adds the parallel master port and graphics controller registers that the GA part lacks. Configuration bits must match the actual silicon revision; consult the silicon errata before locking down production firmware. The CTMU current source requires a calibration step using an internal reference resistor for accurate touch measurements; skipping this leads to unreliable button sensitivity across temperature. USB host mode requires sufficient bus capacitance and VBUS current limiting per USB 2.0 specifications.
The PIC24FJ128DA106-I/PT at 32 MHz dissipates well under 100 mW in normal operation, so thermal management is rarely a constraint in this 64-pin TQFP package. However, in enclosed industrial enclosures with ambient temperatures near 85C, verify that the junction temperature stays within the 125C maximum by considering theta_JA of the TQFP package. Add a small copper pour under the exposed thermal pad area (if used) and ensure air flow is not blocked if the device is co-located with heat-generating analog or power components.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Industrial temperature grade -40C to +85C; no AEC-Q100 automotive qualification on this part number.
