PIC24FJ256DA106T-I/PT - 16-bit MCU, 256KB Flash, USB OTG | Microchip
MPN： PIC24FJ256DA106T-I/PT ✓ 啟用中PIC24FJ256DA106T-I/PT 概覽
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.
直接替換替代品，適用於 PIC24FJ256DA106T-I/PT — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC24FJ256DA106T-I/PT （相同外形與佔位） — 差異在於 ADC, Core Architecture, Graphics Controller, Package, USB.
PIC24FJ256DA106-I/PT
✅ 直接替換聯絡詢價
查看資料表 →PIC24FJ256DA106T-I/MR
✅ 直接替換聯絡詢價
查看資料表 →PIC24FJ256GA106T-I/PT
✅ 直接替換📋 參考替代品（不在目錄中）
PIC24FJ128GA006-I/PT
✅ 直接替換聯絡詢價
查看資料表 →PIC24FJ128DA110T-I/PT
✅ 直接替換聯絡詢價
查看資料表 →PIC24FJ256DA106T-I/PT 最大額定值與電氣特性
| 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 |
| 封裝 | 64-pin TQFP (PT) 10x10 mm |
| 安裝類型 | Surface Mount |
| USB | USB 2.0 OTG (Full-Speed) |
| Graphics Controller | Integrated (PMP + dedicated) |
| Connectivity | I2C x3, UART/USART, SPI x3, IrDA |
| 工作溫度 | -40C to +85C (industrial) |
| RoHS 狀態 | Compliant |
| Lead-Free | Yes |
PIC24FJ256DA106T-I/PT 腳位配置
| 腳位 1 | RP15/RD15 — Remappable peripheral I/O / PMP data |
| 腳位 2 | RP14/RD14 — Remappable peripheral I/O / PMP data |
| 腳位 3 | RP13/RD13 — Remappable peripheral I/O / PMP data |
| 腳位 4 | RP12/RD12 — Remappable peripheral I/O / PMP data |
| 腳位 5 | RP11/RD11 — Remappable peripheral I/O / PMP data |
| 腳位 6 | RP10/RD10 — Remappable peripheral I/O / PMP data |
| 腳位 7 | RP9/RD9 — Remappable peripheral I/O / PMP data |
| 腳位 8 | RP8/RD8 — Remappable peripheral I/O / PMP data |
| 腳位 9 | RP7/RD7 — Remappable peripheral I/O / PMP data |
| 腳位 10 | RP6/RD6 — Remappable peripheral I/O / PMP data |
| 腳位 11 | RP5/RD5 — Remappable peripheral I/O / PMP data |
| 腳位 12 | RP4/RD4 — Remappable peripheral I/O / PMP data |
| 腳位 13 | RP3/RD3 — Remappable peripheral I/O / PMP data |
| 腳位 14 | RP2/RD2 — Remappable peripheral I/O / PMP data |
| 腳位 15 | RP1/RD1 — Remappable peripheral I/O / PMP data |
| 腳位 16 | RP0/RD0 — Remappable peripheral I/O / PMP data |
| 腳位 17 | RE7 — I/O port E |
| 腳位 18 | RE6 — I/O port E |
| 腳位 19 | RE5 — I/O port E |
| 腳位 20 | RE4 — I/O port E |
| 腳位 21 | RE3 — I/O port E |
| 腳位 22 | VCAP — Internal regulator output (decoupling) |
| 腳位 23 | RF6 — I/O port F |
| 腳位 24 | RF5 — I/O port F |
| 腳位 25 | RF4 — I/O port F |
| 腳位 26 | RF3 — I/O port F |
| 腳位 27 | RF2 — I/O port F |
| 腳位 28 | RF1 — I/O port F |
| 腳位 29 | RF0 — I/O port F |
| 腳位 30 | AVDD — Analog supply |
| 腳位 31 | AVSS — Analog ground |
| 腳位 32 | AN0/RB19 — Analog input / I/O port B |
| 腳位 33 | AN1/RB20 — Analog input / I/O port B |
| 腳位 34 | AN2/RB21 — Analog input / I/O port B |
| 腳位 35 | AN3/RB22 — Analog input / I/O port B |
| 腳位 36 | AN4/RB23 — Analog input / I/O port B |
| 腳位 37 | AN5/RB24 — Analog input / I/O port B |
| 腳位 38 | AN6/RB25 — Analog input / I/O port B |
| 腳位 39 | AN7/RB26 — Analog input / I/O port B |
| 腳位 40 | AN8/RB27 — Analog input / I/O port B |
| 腳位 41 | AN9/RB28 — Analog input / I/O port B |
| 腳位 42 | OSC1/CLKI/RC12 — Oscillator input / clock input |
| 腳位 43 | OSC2/CLKO/RC15 — Oscillator output / clock output |
| 腳位 44 | RC1 — I/O port C |
| 腳位 45 | RC2 — I/O port C |
| 腳位 46 | RC3 — I/O port C |
| 腳位 47 | RC4/SDI1 — I/O port C / SPI data in |
| 腳位 48 | RG15 — I/O port G |
| 腳位 49 | RG13 — I/O port G |
| 腳位 50 | RG12 — I/O port G |
| 腳位 51 | RG0 — I/O port G |
| 腳位 52 | RG1 — I/O port G |
| 腳位 53 | RG2 — I/O port G |
| 腳位 54 | RG3 — I/O port G |
| 腳位 55 | MCLR — Reset (active low) |
| 腳位 56 | VDD — Digital supply |
| 腳位 57 | VSS — Digital ground |
| 腳位 58 | RA14 — I/O port A |
| 腳位 59 | RA15 — I/O port A |
| 腳位 60 | RA9 — I/O port A |
| 腳位 61 | RA10 — I/O port A |
| 腳位 62 | RB4 — I/O port B |
| 腳位 63 | RB5 — I/O port B |
| 腳位 64 | RB6 — I/O port B / PGEC1 (ICSP clock) |
典型應用
PIC24FJ256DA106T-I/PT 適用於 6 應用s: 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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
推薦
推薦產品摘要
工程參考資料，適用於 PIC24FJ256DA106T-I/PT — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | 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) |
主要差異化特點
- Integrated graphics controller with PMP for direct panel drive (對比PIC24FJ256GA106T-I/PT)
- USB 2.0 Full-Speed OTG integrated transceiver (對比PIC24FJ128DA110T-I/PT)
- Largest Flash + RAM in DA1 family in 64-TQFP (對比PIC24FJ128DA110T-I/PT)
設計說明
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.
合規資訊
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.
