PIC24FJ64GB106-I/PT - 16-Bit 64KB Flash USB OTG MCU | Microchip
料号： PIC24FJ64GB106-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $5.3 | $5.30 |
| 10 | $4.77 | $47.70 |
| 100 | $4.24 | $424.00 |
| 500 | $3.71 | $1,855.00 |
| 1,000 | $3.18 | $3,180.00 |
PIC24FJ64GB106-I/PT 概述
Background: A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile data memory (RAM), and programmable I/O peripherals. The PIC24F family uses a 16-bit modified Harvard RISC architecture with instruction pipelining, sitting in the hierarchy of "microcontroller -> embedded processor -> semiconductor IC". The PIC24FJ64GB106 adds native USB 2.0 On-The-Go (OTG) hardware, eliminating the need for an external USB transceiver or PHY.
Key features include 64KB Flash program memory (22K x 24 words), 16KB SRAM, 64KB device ROM-less operation, up to 32 MHz operation (16 MIPS at 3.3V), and a rich peripheral mix: 3x I2C, 3x SPI, 4x UART, 23 independent timers, a 10-bit ADC with 500 ksps, and USB OTG with dedicated DMA. The "-I" suffix indicates the industrial temperature grade (-40C to +85C), and "/PT" indicates the 64-pin TQFP package. eXtreme Low Power (XLP) technology delivers standby currents below 100 nA, enabling battery-friendly designs.
Technical depth: The PIC24FJ64GB106 implements a hardware USB OTG controller with internal transceiver, charge pump, and voltage regulator, supporting both device and host roles. The 16-bit CPU features a 16x16 hardware multiplier and a 32x16 hardware divider in one instruction cycle. Multiple power management modes (Run, Doze, Sleep, Deep Sleep) and on-chip LDO simplify battery-powered designs. JTAG/ICSP boundary scan is included for test and programming.
Typical applications: USB peripherals (HID, CDC, mass storage, audio class), low-power sensor hubs with USB logging, embedded web servers with TCP/IP stacks, capacitive touch keypads, and industrial control nodes. The integrated USB and large RAM make it suitable for USB device classes that require buffer memory (16KB) for protocol handling.
Design consideration: The 64-pin TQFP package requires 1.0 mm PCB land pattern and provides generous I/O for parallel buses and multiple serial interfaces. Place the 22 nF Vcap decoupling capacitor as close as possible to the dedicated Vcap pin (pin 56 in this package), since the internal core regulator requires this external capacitor for stability.
This page synthesizes distributor pricing, same-brand and cross-brand drop-in alternatives in the same 64-TQFP footprint, and practical design notes not found in the manufacturer datasheet alone.
直接替换替代料： PIC24FJ64GB106-I/PT ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC24FJ64GB106-I/PT （相同外形与封装尺寸） ——差异在于 Package, ADC, Timers, Program Memory (Flash), Core Architecture.
快速对比工具——选择替代料号进行并排对比：
PIC24FJ128GB106-I/PT
✅ 直接替换✓ 有现货
$4.54 / 个
查看数据手册 →PIC24FJ256GB106-I/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC24FJ64GB004-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.3 / 个
查看数据手册 →PIC24FJ64GB110-I/PT
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC24FJ128GB110-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.78 / 个
查看数据手册 →PIC24FJ256GB110-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$5.62 / 个
查看数据手册 →PIC24FJ64GB106-I/PT 最大额定值与电气特性
| Core | PIC24F (16-bit RISC) |
| Program Memory (Flash) | 64 KB (22K x 24 words) |
| RAM | 16 KB |
| CPU Speed | Up to 32 MHz (16 MIPS at 3.3V) |
| Operating Voltage | 2.0 V to 3.6 V |
| USB | USB 2.0 OTG (Host/Device/OTG) with internal transceiver |
| I2C | 3 |
| SPI | 3 |
| UART | 4 |
| Timers (16-bit) | 5 + 2x 32-bit |
| Total Timers (independent) | 23 |
| ADC | 10-bit, 500 ksps, up to 16 channels |
| GPIOs | 52 |
| 工作温度 | -40C to +85C (Industrial) |
| 封装 | 64-pin TQFP (PT) 10x10 mm |
| 安装类型 | Surface Mount |
| MSL 等级 | 3 (per JEDEC J-STD-020) |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
PIC24FJ64GB106-I/PT 引脚配置
| 引脚 1 | RP0/CN0/RB0 — Remappable peripheral pin / interrupt-on-change / GPIO RB0 |
| 引脚 2 | RP1/CN1/RB1 — Remappable peripheral pin / interrupt-on-change / GPIO RB1 |
| 引脚 3 | RP2/CN2/RB2 — Remappable peripheral pin / interrupt-on-change / GPIO RB2 |
| 引脚 4 | RP3/CN3/RB3 — Remappable peripheral pin / interrupt-on-change / GPIO RB3 |
| 引脚 5 | RP4/CN4/RB4 — Remappable peripheral pin / interrupt-on-change / GPIO RB4 |
| 引脚 6 | RP5/CN5/RB5 — Remappable peripheral pin / interrupt-on-change / GPIO RB5 |
| 引脚 7 | RP6/CN6/RB6 — Remappable peripheral pin / interrupt-on-change / GPIO RB6 |
| 引脚 8 | RP7/CN7/RB7 — Remappable peripheral pin / interrupt-on-change / GPIO RB7 |
| 引脚 9 | RP8/CN8/RB8 — Remappable peripheral pin / interrupt-on-change / GPIO RB8 |
| 引脚 10 | RP9/CN9/RB9 — Remappable peripheral pin / interrupt-on-change / GPIO RB9 |
| 引脚 11 | VSS — Ground reference |
| 引脚 12 | VDD — Positive supply voltage (2.0V to 3.6V) |
| 引脚 13 | RP10/CN10/RB10 — Remappable peripheral pin / interrupt-on-change / GPIO RB10 |
| 引脚 14 | RP11/CN11/RB11 — Remappable peripheral pin / interrupt-on-change / GPIO RB11 |
| 引脚 15 | RP12/CN12/RB12 — Remappable peripheral pin / interrupt-on-change / GPIO RB12 |
| 引脚 16 | RP13/CN13/RB13 — Remappable peripheral pin / interrupt-on-change / GPIO RB13 |
| 引脚 17 | RP14/CN14/RB14 — Remappable peripheral pin / interrupt-on-change / GPIO RB14 |
| 引脚 18 | RP15/CN15/RB15 — Remappable peripheral pin / interrupt-on-change / GPIO RB15 |
| 引脚 19 | VSS — Ground reference |
| 引脚 20 | VDD — Positive supply voltage (2.0V to 3.6V) |
| 引脚 21 | RA0/AN0 — GPIO RA0 / analog input AN0 |
| 引脚 22 | RA1/AN1 — GPIO RA1 / analog input AN1 |
| 引脚 23 | RA2/AN2 — GPIO RA2 / analog input AN2 |
| 引脚 24 | RA3/AN3 — GPIO RA3 / analog input AN3 |
| 引脚 25 | RA4/AN4 — GPIO RA4 / analog input AN4 |
| 引脚 26 | RA5/AN5 — GPIO RA5 / analog input AN5 |
| 引脚 27 | RA6/AN6 — GPIO RA6 / analog input AN6 |
| 引脚 28 | RA7/AN7 — GPIO RA7 / analog input AN7 |
| 引脚 29 | RC1 — GPIO RC1 |
| 引脚 30 | RC2 — GPIO RC2 |
| 引脚 31 | RC3 — GPIO RC3 |
| 引脚 32 | RC4 — GPIO RC4 |
| 引脚 33 | RD0 — GPIO RD0 |
| 引脚 34 | RD1 — GPIO RD1 |
| 引脚 35 | RD2 — GPIO RD2 |
| 引脚 36 | RD3 — GPIO RD3 |
| 引脚 37 | RD4 — GPIO RD4 |
| 引脚 38 | RD5 — GPIO RD5 |
| 引脚 39 | RD6 — GPIO RD6 |
| 引脚 40 | RD7 — GPIO RD7 |
| 引脚 41 | RD8 — GPIO RD8 |
| 引脚 42 | RD9 — GPIO RD9 |
| 引脚 43 | RD10 — GPIO RD10 |
| 引脚 44 | RD11 — GPIO RD11 |
| 引脚 45 | RD12 — GPIO RD12 |
| 引脚 46 | RD13 — GPIO RD13 |
| 引脚 47 | RD14 — GPIO RD14 |
| 引脚 48 | RD15 — GPIO RD15 |
| 引脚 49 | RC12 — GPIO RC12 |
| 引脚 50 | RC13 — GPIO RC13 |
| 引脚 51 | RC14 — GPIO RC14 |
| 引脚 52 | RC15 — GPIO RC15 |
| 引脚 53 | VSS — Ground reference |
| 引脚 54 | VDD — Positive supply voltage (2.0V to 3.6V) |
| 引脚 55 | ENVREG — Enable for internal USB voltage regulator (tie to VDD or float per config) |
| 引脚 56 | VCAP — Internal 1.8V core LDO output - connect 22 nF low-ESR ceramic to ground |
| 引脚 57 | D+ — USB D+ differential data line |
| 引脚 58 | D- — USB D- differential data line |
| 引脚 59 | VBUS — USB VBUS sensing input (5V tolerant) |
| 引脚 60 | VUSB3V3 — USB 3.3V internal regulator output |
| 引脚 61 | OSC1/CLKI — Crystal oscillator input or external clock input |
| 引脚 62 | OSC2/CLKO — Crystal oscillator output or clock output |
| 引脚 63 | MCLR — Master clear (reset) input, active low |
| 引脚 64 | RA15 — GPIO RA15 |
典型应用
PIC24FJ64GB106-I/PT 适用于 6 应用s: USB HID Peripheral (Keyboard / Mouse / Custom HID), USB Mass Storage Data Logger, Industrial Sensor Hub with USB Diagnostics Port, Capacitive Touch Keypad with USB Output, Embedded Web Server with TCP/IP over USB RNDIS, Battery-Powered Portable USB Device.
USB HID Peripheral (Keyboard / Mouse / Custom HID)
The PIC24FJ64GB106-I/PT is a natural fit for USB HID devices because its integrated USB 2.0 OTG controller eliminates the external PHY and provides hardware DMA channels that offload packet handling from the CPU. The 16KB on-chip RAM comfortably buffers HID report queues and class-specific descriptors without external memory, and the 32 MHz core runs HID stacks with low latency. The Microchip MLA / MCHPFSUSB stack ships ready-to-use HID, CDC, MSD, and audio class examples. Power consumption is dominated by the USB bus (VBUS detection), allowing bus-powered HID designs without local regulation. The 64-pin TQFP gives 52 GPIOs for matrix-scanned keypads, indicator LEDs, and rotary encoders.
推荐
USB Mass Storage Data Logger
For USB mass storage class (MSC) loggers that write sensor data to a USB flash drive, the PIC24FJ64GB106-I/PT offers 16KB RAM to buffer writes and 64KB Flash for the file system and application code. The integrated OTG host capability allows the MCU to act as a USB host and mount FAT-formatted flash drives without an external PHY. eXtreme Low Power (XLP) technology with sub-100 nA standby current lets the logger sleep between sensor acquisitions, extending battery life in remote deployments. The 10-bit 500 ksps ADC supports up to 16 analog channels for environmental or industrial telemetry. The 64-pin TQFP provides ample I/O for SD card fall-back, user buttons, and status LEDs.
推荐
Industrial Sensor Hub with USB Diagnostics Port
The PIC24FJ64GB106-I/PT suits industrial sensor hubs that expose USB diagnostics (CDC class) to host PCs while running sensor acquisition on local GPIOs and SPI/I2C buses. The MCU provides 3x SPI and 3x I2C for connecting sensors and 4x UARTs for legacy industrial protocols (RS-232/RS-485). Industrial -40C to +85C temperature rating covers factory-floor deployment. The 23 timers (5x 16-bit + 2x 32-bit + RTCC) handle precise sampling intervals and pulse counting for flow meters or encoders. The integrated 10-bit ADC at 500 ksps handles analog sensor reads. A USB diagnostic port enables field firmware upgrades and real-time data visualization without a separate programmer.
推荐
Capacitive Touch Keypad with USB Output
The PIC24FJ64GB106-I/PT integrates capacitive touch sensing hardware (mTouch / CTMU) and USB output in a single chip, eliminating the need for a separate touch controller and USB bridge. Per Microchip documentation, the Charge Time Measurement Unit (CTMU) converts capacitance to digital counts, and mTouch libraries run on the 32 MHz MIPS core. The 64-pin TQFP gives enough GPIOs for 12-16 touch electrodes plus indicator LEDs. The Microchip MLA USB stack ships a HID-class touch demo. Low-power sleep with CTMU wake-on-touch extends battery life in remote or portable keypads, while USB bus power eliminates local batteries entirely.
推荐
Embedded Web Server with TCP/IP over USB RNDIS
For low-cost embedded web servers, the PIC24FJ64GB106-I/PT can present itself as a USB RNDIS Ethernet device to a host PC, allowing browser-based configuration of headless equipment. The 16KB RAM accommodates a lightweight TCP/IP stack (Microchip MLA TCP/IP) and HTTP response buffers, while 64KB Flash holds HTML pages and CGI scripts. The 32 MHz MIPS core services HTTP requests with low latency. Per Microchip documentation, MLA includes RNDIS and CDC-ECM examples that compile for this part. Industrial -40C to +85C operation enables building automation and HVAC equipment with web management interfaces.
推荐
Battery-Powered Portable USB Device
The PIC24FJ64GB106-I/PT fits portable USB devices that draw from a Li-ion or Li-poly cell thanks to eXtreme Low Power (XLP) technology and on-chip LDO. The device operates down to 2.0V, enabling full battery utilization before low-battery cutoff. Sub-100 nA Deep Sleep current extends shelf life and idle time. The integrated USB OTG controller with internal charge pump supports USB device operation directly from VBUS or battery via a boost converter. The 64-pin TQFP gives 52 GPIOs for displays, sensors, and user inputs. The 10-bit ADC at 500 ksps monitors battery voltage and current for accurate fuel gauging.
推荐
推荐产品汇总
工程参考数据： PIC24FJ64GB106-I/PT ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC24FJ128GB106-I/PT | PIC24FJ256GB106-I/PT | PIC24FJ64GB004-I/PT | PIC24FJ64GB110-I/PT | PIC24FJ128GB110-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-pin TQFP (PT) 10x10 mm | 64-pin TQFP (PT) 10x10 mm - same | 64-pin TQFP (PT) 10x10 mm - same | 64-pin TQFP (PT) 10x10 mm - same | 64-pin TQFP (PT) 10x10 mm - same | 64-pin TQFP (PT) 10x10 mm - same |
| Flash | 64 KB | 128 KB (+100%) | 256 KB (+300%) | 64 KB (same) | 64 KB (same) | 128 KB (+100%) |
| RAM | 16 KB | 16 KB (same) | 16 KB (same) | 16 KB (same) | 16 KB (same) | 16 KB (same) |
| USB | USB 2.0 OTG (Host/Device) | USB 2.0 OTG (same) | USB 2.0 OTG (same) | USB 2.0 OTG (same) | USB 2.0 OTG (same) | USB 2.0 OTG (same) |
| CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS (same) | 32 MHz / 16 MIPS (same) | 32 MHz / 16 MIPS (same) | 32 MHz / 16 MIPS (same) | 32 MHz / 16 MIPS (same) |
| Operating Voltage | 2.0V to 3.6V | 2.0V to 3.6V (same) | 2.0V to 3.6V (same) | 2.0V to 3.6V (same) | 2.0V to 3.6V (same) | 2.0V to 3.6V (same) |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (same) | -40C to +85C (same) | -40C to +85C (same) | -40C to +85C (same) | -40C to +85C (same) |
| UART | 4 | 4 (same) | 4 (same) | 4 (same) | 4 (same) | 4 (same) |
关键差异点
- Higher Flash density with identical 64-TQFP pinout （对比 PIC24FJ128GB106-I/PT)
- Largest Flash option in same 64-TQFP package （对比 PIC24FJ256GB106-I/PT)
- eXtreme Low Power with sub-100 nA standby （对比 PIC24FJ64GA106-I/PT (non-USB variant))
设计说明
The PIC24FJ64GB106-I/PT requires a 22 nF low-ESR ceramic capacitor on the Vcap pin (pin 56) to stabilize the internal 1.8V core LDO. Place the capacitor as close as physically possible to the pin, with short traces and a direct ground return. Use X7R dielectric rated for at least 6.3V (X5R is acceptable). Do not substitute with values below 10 nF or above 33 nF - LDO stability is not guaranteed outside this range. For battery-powered designs, the ENVREG pin must be tied per datasheet recommendations to enable internal USB voltage regulation from VBUS.
USB D+ and D- traces must be routed as a 90-ohm differential pair with matched length (delta under 2 mm). Place the series termination resistor (typically 27-33 ohm on each line, near the MCU side) close to the MCU pins. Keep USB traces away from noisy switching rails and clock traces; if crossing is unavoidable, cross at 90 degrees. The VBUS pin requires a 1uF decoupling cap to ground. Maintain a continuous ground reference beneath the USB pair, ideally as an unbroken polygon on layer 2, to control impedance and provide a return path for common-mode currents.
Common pitfalls with the PIC24FJ64GB106-I/PT include: (1) Forgetting the Vcap capacitor, which prevents the core from running at all; (2) Sharing the USB bus with high-current loads without proper VBUS sensing; (3) Using XT with HFINTOSC settings inconsistently - the USB module requires the primary oscillator (XT or HS) to be active during USB transactions per the datasheet; (4) Exceeding 25 mA per GPIO source/sink without considering the package's total sink budget (200 mA for the device); (5) Programming the device without configuring the JTAG/ICSP pins as analog inputs when JTAG is disabled - this prevents boundary-scan from interfering with the application.
The PIC24FJ64GB106-I/PT draws approximately 25 mA at full CPU speed with USB active, dissipating well under 100 mW even at 3.6V - thermal management is not a concern for this part under normal conditions. However, in enclosed industrial enclosures where ambient approaches +85C, verify that GPIO sink current per pin (25 mA) and total package dissipation limits are not violated. The 64-pin TQFP package is rated for -40C to +85C operation and provides adequate thermal mass for typical embedded applications.
合规信息
RoHS compliant and lead-free per Microchip product page. Not AEC-Q100 qualified - choose -E/PT grade for automotive applications requiring -40C to +125C. MSL 3 moisture sensitivity per JEDEC J-STD-020. REACH declaration available through Microchip product compliance portal.
