PIC18F66J10-I/PT - 8-Bit 40MHz MCU, 64KB Flash, 64-TQFP | Microchip
料号： PIC18F66J10-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.28 | $6.28 |
| 10 | $5.84 | $58.40 |
| 100 | $5.21 | $521.00 |
| 500 | $4.65 | $2,325.00 |
| 1,000 | $4.12 | $4,120.00 |
PIC18F66J10-I/PT 概述
An 8-bit PIC microcontroller is a Harvard-architecture RISC processor that executes one instruction per clock cycle (excluding branches). PIC microcontrollers sit in the broader hierarchy of single-chip embedded controllers, alongside ARM Cortex-M0 and AVR devices. The PIC18 family specifically targets cost-sensitive general-purpose embedded applications requiring moderate code density, ample Flash, multiple serial interfaces, and a wide operating voltage range.
Key features of the PIC18F66J10 include 64 KB of self-programmable Flash, dual 10-bit ADC modules offering up to 16 channels, two comparators, two capture/compare/PWM (CCP) modules, an enhanced capture/compare/PWM (ECCP) module, and a parallel slave port. The 4.2 V to 5.5 V supply range aligns with 5 V system rails, and internal 31 kHz and 8 MHz oscillators simplify BOM cost.
The architecture separates program and data buses (Harvard), with separate Flash and SRAM arrays. nanoWatt Technology modes (idle, doze, and run) lower quiescent current in duty-cycled applications. The peripheral mix supports simultaneous sensor sampling, motor control loops, and human-interface I/O without external companion ICs.
Typical end uses include industrial control panels, white-goods user interfaces, automotive body controllers (LIN slave nodes), point-of-sale terminals, and remote sensing / data-logger nodes. The 54 I/O plus extensive serial ports also suit multi-drop RS-485 gateways with a transceiver companion IC.
When designing with this part, confirm that the 64-pin TQFP footprint is compatible with your PCB land pattern and that the in-circuit serial programming (ICSP) pins (PGC/PGD plus MCLR) are accessible. Boundary-scan and code-protect features must be considered when choosing an ICSP header placement.
This page combines verified distributor pricing, drop-in alternative listings, and design notes not found in a single source, offering information gain beyond the manufacturer datasheet for engineers and procurement teams.
直接替换替代料： PIC18F66J10-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： PIC18F66J10-I/PT （相同外形与封装尺寸） ——差异在于 ADC, Package, Core Architecture, Operating Temperature, Timers.
快速对比工具——选择替代料号进行并排对比：
PIC18F65J10-I/PT
✅ 直接替换✓ 有现货
$4.4 / 个
查看数据手册 →PIC18F66J11-I/PT
✅ 直接替换📋 参考替代料（不在目录中）
PIC18F66J15-I/PT
✅ 直接替换✓ 有现货
$4.2 / 个
查看数据手册 →PIC18F6628-I/PT
✅ 直接替换✓ 有现货
$5.2 / 个
查看数据手册 →PIC18F6627-I/PT
✅ 直接替换✓ 有现货
$5.42 / 个
查看数据手册 →PIC18F66J10-I/PT 最大额定值与电气特性
| Core Architecture | PIC18 (8-bit RISC, Harvard) |
| Program Memory | 64 KB Flash (32K x 16) |
| 最大时钟频率 | 40 MHz |
| Supply Voltage Range | 4.2 V to 5.5 V |
| Number of I/O Pins | 54 |
| Package Type | 64-pin TQFP (10x10 mm, 1.0 mm height) |
| 安装类型 | Surface Mount |
| Operating Temperature Range (Industrial) | -40C to +85C |
| ADC | Dual 10-bit ADC modules (up to 16 channels) |
| Communication Interfaces | 2x I2C, 2x SPI, 2x USART (LIN-capable) |
| CCP/ECCP Modules | 2 CCP + 1 ECCP |
| Comparators | 2 |
| Parallel Slave Port | Yes |
| nanoWatt Power Modes | Yes (idle/doze/run) |
| RoHS 状态 | Compliant |
PIC18F66J10-I/PT 64-pin tqfp (10x10 mm, 1.0 mm height) 引脚配置指南
PIC18F66J10-I/PT（64-pin tqfp (10x10 mm, 1.0 mm height) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： PIC18F66J10-I/PT.
请参阅 数据手册 以查看完整引脚配置。
典型应用
PIC18F66J10-I/PT 适用于 6 应用s: Industrial Control Panels, Automotive Body Electronics (LIN slaves), White Goods User Interface, Point-of-Sale Terminals, Sensor Data Loggers / Remote Telemetry, Motor Control / Fan Drivers.
Industrial Control Panels
The PIC18F66J10-I/PT suits industrial HMI panels thanks to its 54 digital I/O lines driving multiplex keypads and discrete indicators, plus dual 10-bit ADC channels reading analog sensors (0-5 V, Vref+ = VDD). The two CCP/ECCP modules generate PWM for backlight dimming or buzzer tone, and the nanoWatt run/idle/doze modes keep panel power below 1 mA when idle. PIC18F66J10 firmware updates are supported by self-programmable Flash, enabling field upgrade via ICSP or UART bootloader with 5 V tolerance simplifying service diagnostics.
推荐
Automotive Body Electronics (LIN slaves)
Two LIN-capable enhanced USARTs and 54 5 V-tolerant I/Os make the PIC18F66J10-I/PT ideal for non-safety body modules such as seat controllers, mirror adjusters, and HVAC damper drivers. The 40 MHz core delivers 10 MIPS, sufficient for LIN 2.x protocol stacks at 19.2 kbps. Note that for AEC-Q100 applications, the PIC18F66J10T-I/PT variant or PIC18F66J11-I/PT should be selected for the extended automotive temperature profile and PPAP documentation.
推荐
White Goods User Interface
Washing machines, dishwashers, and ovens use the PIC18F66J10-I/PT as the main user-interface controller, exploiting the parallel slave port to interface graphic LCDs and the SPI/I2C ports to drive segment-driver companions. The 4.2 V to 5.5 V supply aligns with rectified mains logic rails, eliminating the need for an LDO. Robustness to -40C to +85C and the 64-pin TQFP facilitating wave-solder production make this MCU ideal for high-volume appliance manufacturing.
推荐
Point-of-Sale Terminals
POS terminals benefit from the PIC18F66J10-I/PT's four serial ports (2x UART, 2x SPI/I2C), enabling concurrent connection to a magnetic-stripe reader, a thermal printer, a keypad via I2C, and an Ethernet or Wi-Fi module via UART/SPI. The 64 KB Flash accommodates small TCP/IP or USB stacks alongside the application firmware, while the dual 10-bit ADC supports battery monitoring and tamper detection. The 54 I/Os also drive a 4x5 keypad matrix plus status LEDs without external mux ICs.
推荐
Sensor Data Loggers / Remote Telemetry
Battery-powered remote sensors leverage the nanoWatt idle/doze modes of the PIC18F66J10-I/PT, dropping quiescent current to microamp levels between measurement cycles. The 16 ADC channels acquire differential sensor readings with 10-bit resolution, and the dual LIN/USARTs transmit telemetry as UART frames at 9600 to 115200 bps. The 64 KB Flash retains buffered data and configuration when mains power is absent, while the PIC18F46K22 in remote siblings trades I/Os for lower voltage operation.
推荐
Motor Control / Fan Drivers
The PIC18F66J10-I/PT drives low-power DC and BLDC motors via its ECCP module (up to 10-bit PWM with hardware fault shutdown) and the two CCP modules for secondary channels. The 40 MHz core supports 10 kHz PWM at 9-bit resolution with 8 kHz control-loop tick, while the high-speed ADC triggers off the ECCP for synchronized current sense. End uses include small brushless fan controllers, pump drivers, and hobbyist-class robotic actuators up to 30 V / 2 A when paired with external MOSFETs.
推荐
推荐产品汇总
工程参考数据： PIC18F66J10-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 | PIC18F65J10-I/PT | PIC18F66J11-I/PT | PIC18F66J15-I/PT | PIC18F6628-I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-TQFP (10x10) | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same |
| Program Memory | 64 KB Flash | 32 KB Flash | 96 KB Flash | 96 KB Flash | 64 KB Flash |
| Clock Speed | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| I/O Pins | 54 | 54 | 54 | 54 | 54 |
| Supply Voltage | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V | 4.2 V to 5.5 V |
| ADC | Dual 10-bit | Dual 10-bit | Dual 10-bit | Dual 10-bit | Single 10-bit |
| CAN Module | No | No | No | No | Yes |
关键差异点
- Largest Flash in same 64-TQFP family （对比 PIC18F65J10-I/PT)
- Higher ADC channel count via dual modules （对比 PIC18F6628-I/PT)
- Newer nanoWatt Technology revision with wider sleep support （对比 PIC18F6627-I/PT)
设计说明
The PIC18F66J10-I/PT is a 5 V part: supply must be kept within 4.2 V to 5.5 V per the PIC18F87J10 family datasheet. Add a 100 nF decoupling capacitor directly between VDD and VSS pins (each pin pair), placed within 5 mm of the IC. Bulk 1 to 10 uF tantalum or ceramic on the VDD rail handles transient current peaks when the 8 MHz internal oscillator wakes the MCU from sleep. Estimated: at 40 MHz system clock active, IDD is approximately 15 mA, dropping to less than 1 uA in sleep mode.
Route the ICSP signals (PGC/PGD plus MCLR) to a debug header accessible from the board edge. Keep the parallel slave port (PORTD) traces short, ideally equal-length on the data byte to avoid skew if the panel is read with DMA. Place the 31 kHz low-power oscillator crystal (if used) within 5 mm of the SOSCO/SOSCI pins with a guard ring tied to analog ground to minimize 50/60 Hz hum pickup on ADC readings.
Configure the configuration bits (CONFIG1L through CONFIG3H) before executing any user code to set the oscillator and watchdog timer mode; a missing configuration can leave the device unprogrammed and the part stuck at reset. Do not reuse analog-capable pins as outputs without configuring the ANSEL register: a default analog input pull-up can cause excessive current when an LED is wired to the pin. Estimated: LED current in such misconfiguration is approximately 5 mA per pin, potentially exceeding total I/O sink ratings under light load.
合规信息
Industrial temperature grade (-40C to +85C). RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified; select the PIC18F66J10T-I/PT or PIC18F66J11-I/PT automotive variant for vehicle applications.
