PIC18F67J50T-I/PT - 8-Bit 48MHz USB MCU 128KB Flash TQFP-64
料号： PIC18F67J50T-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $7.95 | $7.95 |
| 10 | $7.16 | $71.60 |
| 100 | $6.36 | $636.00 |
| 500 | $5.71 | $2,855.00 |
| 1,000 | $5.1 | $5,100.00 |
PIC18F67J50T-I/PT 概述
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, optimized for deterministic real-time control, low power, and rich peripheral integration. Within the broader taxonomy, 8-bit MCUs sit below 16-bit and 32-bit MCUs in raw compute performance but above discrete logic in functional density. PIC18 devices extend Microchip's baseline PIC16 architecture with a 16-bit instruction word, linear data memory, and prioritized interrupts, making them suitable for USB-connected embedded designs that also need precision timing, ADC, and serial communication.
Key features include a built-in Full-Speed (12 Mbit/s) USB 2.0 device/host/OTG transceiver, four serial ports (USB, I2C, SPI up to 10 Mbit/s, and LIN-capable EUSART), a 10-bit ADC with up to 16 channels, five 16-bit timer/counters, and nanoWatt power management with multiple idle and sleep modes. The 64-pin TQFP exposes 49 digital I/O pins plus dedicated analog, oscillator, and programming/debug pins for ICSP.
Architecturally, the PIC18F67J50 uses a Harvard-style 16-bit instruction bus with an 8-bit data path, single-cycle ALU operations, and a hardware multiplier. Its 128KB flash is organized as 64K x 16 words, while the data EEPROM and SRAM sit on independent buses for deterministic interrupt latency. The integrated USB SIE eliminates the need for an external PHY, saving both board area and BOM cost.
Typical applications include USB-to-UART bridges, HID peripherals (keyboards, mice, game controllers), industrial sensor data loggers, low-power portable instrumentation, automotive body/comfort LIN nodes, and embedded web servers. The combination of USB connectivity and nanoWatt sleep modes makes the part particularly attractive for always-on USB devices that must draw negligible current when the host is suspended.
When designing with this MCU, allocate the analog Vcap pin to a low-ESR 4.7uF to 10uF decoupling capacitor and tie the ENVREG pin to VDD when the internal 2.5V regulator is used. For USB applications, ensure the D+/D- trace impedance is 90 ohm differential and that the Vbus sense pin is connected for proper attach detection.
This page consolidates distributor pricing, drop-in same-package alternatives, and application design guidance drawn from Microchip's PIC18F87J50 family datasheet, helping engineers select the right variant and avoid common integration pitfalls not covered in the standalone datasheet.
直接替换替代料： PIC18F67J50T-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： PIC18F67J50T-I/PT （相同外形与封装尺寸） ——差异在于 ADC, Package, Operating Temperature, Timers, Program Memory (Flash).
快速对比工具——选择替代料号进行并排对比：
PIC18F67J10T-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$5.85 / 个
查看数据手册 →PIC18F66J50T-I/PT
✅ 直接替换✓ 有现货
$5.1 / 个
查看数据手册 →PIC18F65J50T-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$3.3 / 个
查看数据手册 →PIC18F66J55-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$4.31 / 个
查看数据手册 →PIC18F65K80T-I/PT
✅ 直接替换✓ 有现货
$3.33 / 个
查看数据手册 →PIC18F67J50T-I/PT 最大额定值与电气特性
| Core | PIC18 8-bit RISC |
| Instruction Set | PIC18 (16-bit instruction word, 8-bit data path) |
| Program Memory (Flash) | 128 KB (64K x 16 words) |
| Data SRAM | 3,904 bytes |
| Maximum CPU Clock | 48 MHz |
| MIPS (Dhrystone) | 12 MIPS |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| 工作温度 | -40 C to +85 C (Industrial) |
| USB Controller | USB 2.0 Full-Speed (12 Mbit/s), device/host/OTG SIE on-chip |
| Serial Interfaces | USB, I2C (MSSP), SPI (up to 10 Mbit/s), EUSART (LIN-capable) |
| ADC | 10-bit, up to 16 channels |
| Timers | 5 x 16-bit timer/counter |
| Digital I/O Pins | 49 |
| 封装 | 64-pin TQFP (10x10 mm), pitch 0.5 mm |
| 安装类型 | Surface Mount |
| MSL 等级 | 3 (168 hours) |
| RoHS 状态 | Compliant |
| Programming/Debug | ICSP via PGC/PGD, supports MPLAB tools |
PIC18F67J50T-I/PT 引脚配置
| 引脚 1 | RC0 — Digital I/O / analog input AN12 |
| 引脚 2 | RC1 — Digital I/O / analog input AN13 / CCP2 |
| 引脚 3 | RC2 — Digital I/O / analog input AN14 |
| 引脚 4 | RC3 — Digital I/O / analog input AN15 / SCL |
| 引脚 5 | RC4 — Digital I/O / SDA |
| 引脚 6 | RC5 — Digital I/O / D- |
| 引脚 7 | RC6 — Digital I/O / TX/CK |
| 引脚 8 | RC7 — Digital I/O / RX/DT |
| 引脚 9 | RD0 — Digital I/O |
| 引脚 10 | RD1 — Digital I/O |
| 引脚 11 | RD2 — Digital I/O |
| 引脚 12 | RD3 — Digital I/O |
| 引脚 13 | RD4 — Digital I/O |
| 引脚 14 | RD5 — Digital I/O |
| 引脚 15 | RD6 — Digital I/O |
| 引脚 16 | RD7 — Digital I/O |
| 引脚 17 | VSS — Ground reference |
| 引脚 18 | VDD — Positive supply voltage (2.0V-3.6V) |
| 引脚 19 | RE0 — Digital I/O / analog input AN5 |
| 引脚 20 | RE1 — Digital I/O / analog input AN6 |
| 引脚 21 | RE2 — Digital I/O / analog input AN7 |
| 引脚 22 | RE3 — Digital I/O / analog input AN8 |
| 引脚 23 | RE4 — Digital I/O / analog input AN9 |
| 引脚 24 | RE5 — Digital I/O / analog input AN10 |
| 引脚 25 | RE6 — Digital I/O / analog input AN11 |
| 引脚 26 | RE7 — Digital I/O / CCP2 |
| 引脚 27 | RA0 — Digital I/O / analog input AN0 |
| 引脚 28 | RA1 — Digital I/O / analog input AN1 |
| 引脚 29 | RA2 — Digital I/O / analog input AN2 |
| 引脚 30 | RA3 — Digital I/O / analog input AN3 / Vref+ |
| 引脚 31 | RA4 — Digital I/O / analog input AN4 |
| 引脚 32 | RA5 — Digital I/O / analog input AN5 |
| 引脚 33 | OSC1 — Crystal oscillator input / external clock |
| 引脚 34 | OSC2 — Crystal oscillator output |
| 引脚 35 | VSS — Ground reference |
| 引脚 36 | VDD — Positive supply voltage (2.0V-3.6V) |
| 引脚 37 | RB0 — Digital I/O / analog input AN12 |
| 引脚 38 | RB1 — Digital I/O / analog input AN10 |
| 引脚 39 | RB2 — Digital I/O / analog input AN8 |
| 引脚 40 | RB3 — Digital I/O / analog input AN9 |
| 引脚 41 | RB4 — Digital I/O / analog input AN11 |
| 引脚 42 | RB5 — Digital I/O / analog input AN13 / CCP3 |
| 引脚 43 | RB6 — Digital I/O / PGC (ICSP clock) |
| 引脚 44 | RB7 — Digital I/O / PGD (ICSP data) |
| 引脚 45 | VUSB — USB internal transceiver supply (3.3V regulated) |
| 引脚 46 | VBUS — USB Vbus sense input (5V tolerant) |
| 引脚 47 | D+ — USB D+ data line |
| 引脚 48 | D- — USB D- data line |
| 引脚 49 | RF0 — Digital I/O |
| 引脚 50 | RF1 — Digital I/O |
| 引脚 51 | RF2 — Digital I/O |
| 引脚 52 | RF3 — Digital I/O |
| 引脚 53 | RF4 — Digital I/O |
| 引脚 54 | RF5 — Digital I/O |
| 引脚 55 | RF6 — Digital I/O |
| 引脚 56 | RF7 — Digital I/O |
| 引脚 57 | RG0 — Digital I/O / CCP4 |
| 引脚 58 | RG1 — Digital I/O / CCP5 |
| 引脚 59 | RG2 — Digital I/O |
| 引脚 60 | RG3 — Digital I/O |
| 引脚 61 | RG4 — Digital I/O |
| 引脚 62 | RG5 — Digital I/O |
| 引脚 63 | VCAP — Internal 2.5V regulator decoupling (4.7uF-10uF low-ESR) |
| 引脚 64 | ENVREG — Internal regulator enable (tie to VDD to enable) |
典型应用
PIC18F67J50T-I/PT 适用于 6 应用s: USB-to-UART Bridge, USB HID Peripherals, Industrial Sensor Data Logger, Automotive LIN Comfort/Body Node, USB-Connected Portable Test Instrument, Embedded Web/IoT Edge Node.
USB-to-UART Bridge
The PIC18F67J50T-I/PT is a natural fit for USB-to-UART bridges because it integrates a Full-Speed USB 2.0 device SIE alongside a hardware LIN-capable EUSART. At 48 MHz the MCU delivers 12 MIPS, easily handling 921,600-baud UART streaming while leaving CPU headroom for buffer management. The 3,904-byte SRAM accommodates 64-byte USB endpoints plus ring buffers for simultaneous TX/RX. Designers wire D+/D- to the USB connector with 90 ohm differential impedance and use the Vbus sense pin for attach detection, eliminating an external transceiver and reducing BOM cost versus discrete USB-UART ICs such as FT232.
推荐
USB HID Peripherals
For HID peripherals (keyboards, mice, gamepads, custom input devices), the PIC18F67J50T-I/PT's on-chip USB FS SIE and 49 digital I/O pins enable scan matrix reading, LED driving, and USB HID report generation without external logic. The 10-bit ADC supports analog joystick inputs alongside digital scan matrices, while the nanoWatt sleep modes let battery-powered mice meet USB suspend current (< 2.5 mA) requirements. The 128 KB flash holds full HID report descriptors and Bootloader/KB firmware with room for vendor-specific extensions, and the ICSP interface permits in-field firmware upgrades for product refreshes.
推荐
Industrial Sensor Data Logger
Industrial sensor data loggers benefit from the PIC18F67J50T-I/PT's 10-bit ADC with up to 16 channels for thermocouple, RTD, 4-20 mA, and bridge sensor digitization, plus 3,904 bytes of SRAM for circular sample buffers. Industrial temperature operation (-40 C to +85 C) matches factory-floor requirements, and the 128 KB flash stores weeks of timestamped readings. The I2C/SPI/EUSART ports attach external FRAM or SD cards for long-term storage, while the USB port enables fast log offload. The nanoWatt idle modes drop supply current during sleep intervals between samples, extending battery life in remote installations.
推荐
Automotive LIN Comfort/Body Node
Within an automotive LIN network, the PIC18F67J50T-I/PT (with extended qualification on related family parts) acts as a slave body/comfort node controlling window lifters, seat adjusters, mirror modules, or ambient lighting. The LIN-capable EUSART implements LIN 1.3/2.0/2.1 slave protocol in firmware without an external transceiver, and the 10-bit ADC reads mirror-position potentiometers and motor current sense. The 49 I/O pins drive multiple relays or H-bridge pre-drivers while the nanoWatt sleep modes meet automotive quiescent current targets. For AEC-Q100 qualified deployment, choose the PIC18F67J50 family automotive-grade variant.
推荐
USB-Connected Portable Test Instrument
Portable USB-connected instruments (logic probe front-ends, simple protocol analyzers, low-cost oscilloscope digitizer boards) benefit from the PIC18F67J50T-I/PT's combined USB, ADC, and timing resources. At 48 MHz the MCU samples external analog front-ends up to the 10-bit ADC's ~500 ksps throughput while streaming digitized data over Full-Speed USB to a host PC for display. The 128 KB flash stores calibration tables and protocol decoders, while ICSP permits in-field firmware updates. Industrial temperature operation ensures stable readings in laboratory and field environments without thermal drift.
推荐
Embedded Web/IoT Edge Node
For IoT edge nodes bridging sensors to USB-tethered hosts or to cloud gateways via USB-Ethernet dongles, the PIC18F67J50T-I/PT offers ample flash for MQTT-over-TCP stacks, JSON parsers, and TLS-lite security layers. The USB host capability allows direct attachment of USB-Ethernet or USB-Wi-Fi adapters, while the EUSART talks to Bluetooth or Sub-GHz modules for wireless backhaul. The 49 I/O pins drive sensor multiplexers, status LEDs, and user buttons, and nanoWatt sleep modes achieve single-digit mA standby currents suitable for solar/battery-powered edge installations.
推荐
推荐产品汇总
工程参考数据： PIC18F67J50T-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 | PIC18F67J10T-I/PT | PIC18F66J50T-I/PT | PIC18F65J50T-I/PT | PIC18F66J55-I/PT | PIC18F65K80T-I/PT |
|---|---|---|---|---|---|---|
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Integrated USB SIE | USB 2.0 FS (12 Mbit/s) | USB 2.0 FS (12 Mbit/s) | USB 2.0 FS (12 Mbit/s) | USB 2.0 FS (12 Mbit/s) | USB 2.0 FS (12 Mbit/s) | No USB |
| Maximum Clock | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 64 MHz |
| Supply Voltage | 2.0 V - 3.6 V | 2.0 V - 3.6 V | 2.0 V - 3.6 V | 2.0 V - 3.6 V | 2.0 V - 3.6 V | 1.8 V - 5.5 V |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) |
关键差异点
- Integrated Full-Speed USB 2.0 SIE and transceiver （对比 PIC18F65K80T-I/PT)
- Largest flash density in the 64-pin TQFP PIC18F87J50 family （对比 PIC18F65J50T-I/PT)
- Industrial temperature range with extended peripherals （对比 PIC18F67J10T-I/PT)
设计说明
Estimated: At 48 MHz active and 3.3V VDD, the PIC18F67J50T-I/PT typically draws ~25 mA core current per Microchip datasheet typical characteristics. In USB suspend the part must drop below 2.5 mA system current to maintain USB compliance; switch to nanoWatt sleep and disable USB SIE clock to meet this. Decouple each VDD pin (18, 36) with 100 nF ceramic plus 4.7 uF bulk, and place the 4.7-10 uF Vcap capacitor within 5 mm of pin 63 with the lowest-ESR dielectric available (X5R/X7R).
Route the USB D+/D- pair as a 90 ohm differential with matched length (skew < 150 ps) and keep the pair over a continuous ground reference plane for the entire run. Place the Vcap capacitor on the same side as the IC with short traces to minimize core-ripple coupling into USB signaling. Per Microchip EMI/EMC design notes, place a ferrite bead or 10 ohm resistor in series with Vbus if the design must survive ESD strikes directly on the connector shield.
The internal 2.5V regulator (enabled by tying ENVREG=VDD) supplies the core and USB transceiver; insufficient Vcap decoupling produces core noise that can shift the USB eye diagram below USB 2.0 FS mask margins. Use a low-ESR 4.7 uF X5R/X7R 0603 (or larger) ceramic directly on pin 63 and verify the 3.3V rail is clean with an oscilloscope during USB enumeration. If the regulator is disabled (ENVREG tied to VSS), an external 2.5V supply must power the Vcap pin and meet the same ripple requirement.
Firmware developers frequently forget to disable unused peripherals' clocks via the appropriate PMD registers - leaving all peripherals enabled at 48 MHz can push active current to ~30 mA and break USB suspend budgets. Always invoke the recommended low-power initialization sequence from Microchip AN1095 (nanoWatt) before claiming low standby current. Likewise, do not configure RB6/RB7 as general I/O if ICSP in-field programming is required; doing so blocks subsequent firmware updates.
合规信息
RoHS and lead-free compliant per Microchip product page; this -I/PT variant is not AEC-Q100 qualified - select the corresponding automotive-grade part for vehicle deployments. Halogen-free per Microchip material declaration.
