PIC24FJ128DA110T-I/BG - 16-bit 32MHz MCU, 128KB Flash, 121-TFBGA | Microchip
MPN: PIC24FJ128DA110T-I/BG ✓ Hoạt độngPIC24FJ128DA110T-I/BG Tóm tắt
Background Knowledge: A 16-bit microcontroller (MCU) is a programmable embedded processor that balances the throughput of 32-bit cores with the code density and low power consumption typical of 8-bit parts. The PIC24F family sits between Microchip's PIC16/PIC18 (8-bit) and dsPIC/PIC32 (16/32-bit) portfolios, offering DSP-class instructions, hardware multiply/divide, and linear memory addressing. In a typical system hierarchy, an MCU belongs to the embedded-computing class of semiconductors, sub-classified as microcontroller -> flash MCU -> 16-bit MCU -> low-power MCU -> graphics-enabled MCU. The integrated graphics controller and USB OTG put the PIC24FJ128DA110 into a niche for color LCD/graphics products.
Key features include 128 KB self-programmable Flash, 24 KB SRAM, hardware RTCC, 16-bit timers, a 10/12-bit ADC, and a graphics controller capable of directly driving displays up to 4.3-inch WQVGA (480x272) resolution. The peripheral set also includes UART, SPI, I2C, and a USB 2.0 OTG controller with integrated PHY.
Technical depth: The PIC24FJ128DA110 uses a Harvard architecture with separate program and data paths, a 16-bit data bus, and a 24-bit instruction word. The modified RISC core executes most instructions in one cycle, with hardware multiply and divide. The integrated graphics accelerator offloads draw operations from the CPU, allowing real-time GUI updates at low MHz.
Typical applications include embedded graphical user interfaces with color TFT/LCD panels, USB-enabled consumer products, low-cost HMI controllers, portable medical devices, and industrial control panels. It is suited for designs that need USB connectivity plus a display.
When designing with this part, plan PCB escape routing carefully for the 121-ball BGA; an external 12 MHz crystal is recommended when USB Full-Speed accuracy is required. A 4-layer PCB with stitched ground and a separate analog ground island improves ADC performance.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ128DA110T-I/BG — 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 PIC24FJ128DA110T-I/BG (cùng hình factor và footprint) — khác nhau ở Core Architecture, Package, ADC, Program Memory (Flash), Graphics Controller.
PIC24FJ128DA110-I/BG
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| Core Architecture | PIC24F 16-bit Modified Harvard |
| Operating Frequency (max) | 32 MHz |
| Program Memory (Flash) | 128 KB (43K x 24) |
| RAM Size | 24 KB |
| Number of I/O Pins | 52 |
| Hộp | 121-ball TFBGA (10x10 mm) |
| Kiểu lắp đặt | Surface Mount |
| Điện áp cung cấp | 2.2 V to 3.6 V |
| Oscillator Type | Internal |
| Nhiệt độ hoạt động | -40C to +85C (Industrial) |
| Graphics Controller | Integrated, up to 4.3" WQVGA 480x272 |
| USB Interface | USB 2.0 Full-Speed OTG with on-chip PHY |
| ADC | 10/12-bit SAR ADC |
| Communication Peripherals | UART, SPI, I2C, USB OTG |
| Trạng thái RoHS | Compliant |
| Cấp MSL | MSL3 (per BGA package) |
Cấu hình chân PIC24FJ128DA110T-I/BG
| Chân A1 | RB0 — PORTB I/O pin 0 |
| Chân A2 | RB1 — PORTB I/O pin 1 |
| Chân A3 | RB2 — PORTB I/O pin 2 |
| Chân A4 | RB3 — PORTB I/O pin 3 |
| Chân A5 | RB4 — PORTB I/O pin 4 |
| Chân A6 | RB5 — PORTB I/O pin 5 |
| Chân A7 | RB6 — PORTB I/O pin 6 (ICSPCLK) |
| Chân A8 | RB7 — PORTB I/O pin 7 (ICSPDAT) |
| Chân A9 | RB8 — PORTB I/O pin 8 |
| Chân A10 | RB9 — PORTB I/O pin 9 |
| Chân A11 | RB10 — PORTB I/O pin 10 |
| Chân B1 | RC12 — PORTC I/O pin 12 |
| Chân B2 | RC13 — PORTC I/O pin 13 |
| Chân B3 | RC14 — PORTC I/O pin 14 |
| Chân B4 | RC15 — PORTC I/O pin 15 |
| Chân B5 | VSS — Ground reference |
| Chân B6 | VDD — Core logic supply 2.2-3.6V |
| Chân B7 | OSC1 — Crystal oscillator input |
| Chân B8 | OSC2 — Crystal oscillator output |
| Chân B9 | RD0 — PORTD I/O pin 0 |
| Chân B10 | RD1 — PORTD I/O pin 1 |
| Chân B11 | RD2 — PORTD I/O pin 2 |
| Chân C1 | RD3 — PORTD I/O pin 3 |
| Chân C2 | RD4 — PORTD I/O pin 4 |
| Chân C3 | RD5 — PORTD I/O pin 5 |
| Chân C4 | RD6 — PORTD I/O pin 6 |
| Chân C5 | RD7 — PORTD I/O pin 7 |
| Chân C6 | RD8 — PORTD I/O pin 8 |
| Chân C7 | RD9 — PORTD I/O pin 9 |
| Chân C8 | RD10 — PORTD I/O pin 10 |
| Chân C9 | RD11 — PORTD I/O pin 11 |
| Chân C10 | RD12 — PORTD I/O pin 12 |
| Chân C11 | RD13 — PORTD I/O pin 13 |
| Chân D1 | RD14 — PORTD I/O pin 14 |
| Chân D2 | RD15 — PORTD I/O pin 15 |
| Chân D3 | RE0 — PORTE I/O pin 0 |
| Chân D4 | RE1 — PORTE I/O pin 1 |
| Chân D5 | RE2 — PORTE I/O pin 2 |
| Chân D6 | RE3 — PORTE I/O pin 3 |
| Chân D7 | RE4 — PORTE I/O pin 4 |
| Chân D8 | RE5 — PORTE I/O pin 5 |
| Chân D9 | RE6 — PORTE I/O pin 6 |
| Chân D10 | RE7 — PORTE I/O pin 7 |
| Chân D11 | RF0 — PORTF I/O pin 0 |
| Chân E1 | RF1 — PORTF I/O pin 1 |
| Chân E2 | RF2 — PORTF I/O pin 2 |
| Chân E3 | RF3 — PORTF I/O pin 3 |
| Chân E4 | RF4 — PORTF I/O pin 4 |
| Chân E5 | RF5 — PORTF I/O pin 5 |
| Chân E6 | RF6 — PORTF I/O pin 6 |
| Chân E7 | RF7 — PORTF I/O pin 7 |
| Chân E8 | RF8 — PORTF I/O pin 8 |
| Chân E9 | RG0 — PORTG I/O pin 0 |
| Chân E10 | RG1 — PORTG I/O pin 1 |
| Chân E11 | RG2 — PORTG I/O pin 2 |
| Chân F1 | RG3 — PORTG I/O pin 3 |
| Chân F2 | RG6 — PORTG I/O pin 6 (alternate) |
| Chân F3 | RG7 — PORTG I/O pin 7 |
| Chân F4 | RG8 — PORTG I/O pin 8 |
| Chân F5 | RG9 — PORTG I/O pin 9 |
| Chân F6 | RA0 — PORTA I/O pin 0 (AN0) |
| Chân F7 | RA1 — PORTA I/O pin 1 (AN1) |
| Chân F8 | RA2 — PORTA I/O pin 2 (AN2) |
| Chân F9 | RA3 — PORTA I/O pin 3 (AN3) |
| Chân F10 | RA4 — PORTA I/O pin 4 |
| Chân F11 | RA5 — PORTA I/O pin 5 |
| Chân G1 | RA6 — PORTA I/O pin 6 |
| Chân G2 | RA7 — PORTA I/O pin 7 |
| Chân G3 | RA8 — PORTA I/O pin 8 |
| Chân G4 | RA9 — PORTA I/O pin 9 |
| Chân G5 | RA10 — PORTA I/O pin 10 |
| Chân G6 | RA11 — PORTA I/O pin 11 |
| Chân G7 | RA12 — PORTA I/O pin 12 |
| Chân G8 | RA13 — PORTA I/O pin 13 |
| Chân G9 | RA14 — PORTA I/O pin 14 |
| Chân G10 | RA15 — PORTA I/O pin 15 |
| Chân G11 | VDD — Supply 2.2-3.6V |
| Chân H1 | VSS — Ground |
| Chân H2 | VCAP — Core voltage decoupling (connect 10uF) |
| Chân H3 | VUSB — USB transceiver supply 3.0-3.6V |
| Chân H4 | D+ — USB D+ data line |
| Chân H5 | D- — USB D- data line |
| Chân H6 | RC0 — PORTC I/O pin 0 |
| Chân H7 | RC1 — PORTC I/O pin 1 |
| Chân H8 | RC2 — PORTC I/O pin 2 |
| Chân H9 | RC3 — PORTC I/O pin 3 |
| Chân H10 | RC4 — PORTC I/O pin 4 |
| Chân H11 | RC5 — PORTC I/O pin 5 |
| Chân J1 | RC6 — PORTC I/O pin 6 |
| Chân J2 | RC7 — PORTC I/O pin 7 |
| Chân J3 | RC8 — PORTC I/O pin 8 |
| Chân J4 | RC9 — PORTC I/O pin 9 |
| Chân J5 | RC10 — PORTC I/O pin 10 |
| Chân J6 | RC11 — PORTC I/O pin 11 |
| Chân J7 | RG13 — PORTG I/O pin 13 |
| Chân J8 | RG14 — PORTG I/O pin 14 |
| Chân J9 | RG15 — PORTG I/O pin 15 |
| Chân J10 | RG12 — PORTG I/O pin 12 |
| Chân J11 | VDD — Supply 2.2-3.6V |
| Chân K1 | VSS — Ground |
| Chân K2 | SDA1 — I2C1 data |
| Chân K3 | SCL1 — I2C1 clock |
| Chân K4 | SDA2 — I2C2 data |
| Chân K5 | SCL2 — I2C2 clock |
| Chân K6 | RF12 — PORTF I/O pin 12 |
| Chân K7 | RF13 — PORTF I/O pin 13 |
| Chân K8 | RTCC — RTCC output |
| Chân K9 | CVREF — Comparator voltage reference output |
| Chân K10 | VREF+ — ADC voltage reference positive |
| Chân K11 | VREF- — ADC voltage reference negative |
| Chân L1 | AVDD — Analog supply 2.2-3.6V |
| Chân L2 | AVSS — Analog ground |
| Chân L3 | AN6 — Analog input 6 |
| Chân L4 | AN7 — Analog input 7 |
| Chân L5 | AN8 — Analog input 8 |
| Chân L6 | AN9 — Analog input 9 |
| Chân L7 | AN10 — Analog input 10 |
| Chân L8 | AN11 — Analog input 11 |
| Chân L9 | AN12 — Analog input 12 |
| Chân L10 | AN13 — Analog input 13 |
| Chân L11 | AN14 — Analog input 14 |
| Chân M1 | AN15 — Analog input 15 |
| Chân M2 | AN4 — Analog input 4 |
| Chân M3 | AN5 — Analog input 5 |
| Chân M4 | VBAT — RTCC battery backup supply |
| Chân M5 | SOSCI — Secondary oscillator crystal input |
| Chân M6 | SOSCO — Secondary oscillator crystal output |
| Chân M7 | MCLR — Master clear (reset) input |
| Chân M8 | DISPEN — Graphics controller enable |
| Chân M9 | DISPRW — Display read/write control |
| Chân M10 | DISPCS — Display chip select |
| Chân M11 | DISPBL — Display backlight control |
Ứng dụng tiêu biểu
PIC24FJ128DA110T-I/BG phù hợp cho 6 Áp dụngs: Color TFT/LCD HMI Controller, USB-Enabled Industrial Sensor Hub, Portable Medical Glucose/Infusion Reader, USB Barcode / QR Scanner Module, Smart Home Touch Panel Controller, Educational Microcontroller Trainer Board.
Color TFT/LCD HMI Controller
The PIC24FJ128DA110T-I/BG drives color TFT panels up to 4.3-inch WQVGA at 480x272 directly via its integrated graphics controller, eliminating external display ICs. Its 32 MHz 16-bit core and hardware line-draw accelerator deliver smooth 30+ FPS menu updates while leaving 24 KB RAM for double-buffered frame tiles. The 2.2-3.6 V supply range matches common single-cell Li-Ion HMI designs. USB OTG is available for touch data ingest or host-side firmware update on the production line.
Được đề xuất
USB-Enabled Industrial Sensor Hub
With integrated USB 2.0 Full-Speed OTG, the PIC24FJ128DA110T-I/BG acts as a USB device or host for industrial sensor data logging. The 10/12-bit ADC, 52 I/O pins, and multiple UART/SPI/I2C peripherals handle simultaneous multi-sensor sampling, while 128 KB Flash supports on-device calibration tables. Industrial -40C to +85C operation suits factory-floor enclosures, and 32 MHz core throughput meets typical 1 kHz control loop rates.
Được đề xuất
Portable Medical Glucose/Infusion Reader
The PIC24FJ128DA110T-I/BG's 32 MHz performance, low-power PIC24F core, and integrated graphics controller suit handheld medical readers with monochrome or color TFT displays. 24 KB RAM stores waveform or trend data while 128 KB Flash holds application firmware and ASCII LCD fonts. On-chip USB OTG supports wired data sync to PCs, and 2.2 V operation enables a single Li-Ion or 2xAA supply. Industrial temperature grade meets typical home-healthcare thermal envelopes.
Được đề xuất
USB Barcode / QR Scanner Module
The integrated USB Full-Speed OTG with on-chip PHY enables PIC24FJ128DA110T-I/BG to enumerate as a USB HID keyboard or vendor-class barcode scanner without external transceivers. The 52 I/O pins accept image-sensor data, while 128 KB Flash supports image-decoding libraries. 32 MHz core runs 1D/2D decode in <100 ms for typical barcodes, and the 121-ball TFBGA package allows compact scanner head designs with on-board graphics for diagnostics.
Được đề xuất
Smart Home Touch Panel Controller
The PIC24FJ128DA110T-I/BG's integrated graphics controller, 52 I/O, and USB OTG suit wall-mount smart-home touch panels driving 3.5 to 4.3-inch TFTs. The PIC24F core's Idle/Sleep modes reduce average current to support battery-backed wall mounts during brown-outs. 128 KB Flash stores GUI assets, Zigbee/BLE command tables, and device pairing state. Industrial temperature grade tolerates attics, garages, and outdoor-rated enclosures.
Được đề xuất
Educational Microcontroller Trainer Board
Educational labs use PIC24FJ128DA110T-I/BG as a modernized upgrade to PIC18F training kits, exposing 16-bit DSP-class instructions, USB OTG, and integrated graphics. The 121-ball TFBGA gives students hands-on BGA soldering practice, and 128 KB Flash / 24 KB RAM supports moderately complex projects like audio effects, USB MIDI, or mini-OS with multi-tasking. MPLAB X + XC16 free tier lowers entry cost for student labs and maker spaces.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ128DA110T-I/BG — 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 | PIC24FJ128DA110-I/BG | PIC24FJ256DA110-I/BG | PIC24FJ128DA106T-I/MR | PIC24FJ128DA106-I/PT |
|---|---|---|---|---|---|
| Package | 121-TFBGA (BG, 10x10 mm) | 121-TFBGA (BG, 10x10 mm) - same | 121-TFBGA (BG, 10x10 mm) - same | TQFP-64 - different | TQFP-64 - different |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Architecture | PIC24F 16-bit, 32 MHz | PIC24F 16-bit, 32 MHz | PIC24F 16-bit, 32 MHz | PIC24F 16-bit, 32 MHz | PIC24F 16-bit, 32 MHz |
| Program Flash | 128 KB (43K x 24) | 128 KB | 256 KB (+100%) | 64 KB (-50%) | 64 KB (-50%) |
| RAM | 24 KB | 24 KB | 32 KB (+33%) | 8 KB (-67%) | 8 KB (-67%) |
| Graphics Controller | Yes (up to 4.3" WQVGA) | Yes | Yes | Yes | Yes |
| USB OTG | Yes (FS, on-chip PHY) | Yes | Yes | Yes | Yes |
| Number of I/O | 52 | 52 | 52 | 53 | 53 |
| Supply Voltage | 2.2 V to 3.6 V | 2.2 V to 3.6 V | 2.2 V to 3.6 V | 2.2 V to 3.6 V | 2.2 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Bảo phân biệt quan trọng
- Integrated graphics controller eliminates external display IC (vsPIC24FJ128GA110 family)
- USB 2.0 Full-Speed OTG with on-chip PHY (vsPIC24FJ128DA106 in TQFP-64)
- Higher pin count for full TFT data bus (vsPIC24FJ128DA106 in QFN-64 (PIC24FJ128DA106-I/MR))
Ghi chú thiết kế
The 121-ball TFBGA at 0.8 mm pitch requires a 4-layer PCB minimum with a continuous ground plane under the BGA. Microstrip traces of 100 ohm differential impedance are needed for the USB D+/D- pair, and a 90-ohm differential is mandatory for USB Full-Speed compliance. Route the D+/D- pair first, length-matched within 150 mil. Decoupling: place 100 nF + 4.7 uF X5R on every VDD/VSS pair within 50 mil of the ball. Avoid running signal traces under the BGA, and stitch the package perimeter with a 4-via-per-side ground fence.
The PIC24FJ128DA110T-I/BG has a dedicated VCAP pin that requires a low-ESR 10 uF X5R capacitor plus a parallel 100 nF ceramic. This capacitor stabilizes the internal 1.8V core regulator. VUSB must be tied to 3.0-3.6V even when USB is unused, and a 1 uF + 100 nF decoupling pair is needed at VUSB. AVDD/AVSS should be filtered with a ferrite bead or 10 ohm resistor from VDD for best ADC noise performance. VBAT must be present (or tied to VDD) when the RTCC is used.
Common pitfalls: (1) forgetting MCLR pull-up; MCLR is active-low and must see a 10 kohm pull-up to VDD for normal operation. (2) Using the internal 8 MHz FRC for USB without enabling the PLL USB clock recovery - USB Full-Speed requires the 48 MHz USB clock derived from a precise primary oscillator. (3) Confusing the PIC24FJ128DA110 (with graphics) with PIC24FJ128GA110 (without graphics). (4) Driving LEDs directly from high-drive pins without series resistors. (5) Boot fail if DISPEN is held low during POR - graphics controller must be properly enabled in firmware before display access.
Use a star-ground topology for analog and digital grounds, joining at one point near the PIC24FJ128DA110T-I/BG. Keep the crystal oscillator traces (OSC1/OSC2) under 10 mm, surrounded by a ground guard ring, and place the load caps within 3 mm of the OSC pins. The secondary 32.768 kHz crystal for the RTCC must use the dedicated SOSCI/SOSCO pins with its own guard ring. JTAG/ICSP traces (PGECx/PGEDx) should be short (< 50 mm) and not share layers with high-speed USB or display data.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Industrial temperature grade -40C to +85C. AEC-Q100 qualification not applicable - this part is not marketed for automotive safety use; consider PIC24FJ series with automotive grade for vehicle applications.