PIC18F67K40T-I/PT - 8-Bit 64MHz 128KB Flash MCU | Microchip
料号： PIC18F67K40T-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.45 | $6.45 |
| 10 | $5.85 | $58.50 |
| 100 | $5.32 | $532.00 |
| 500 | $4.78 | $2,390.00 |
| 1,000 | $4.25 | $4,250.00 |
PIC18F67K40T-I/PT 概述
What is a PIC18 8-bit microcontroller? PIC18 microcontrollers are Microchip's enhanced Harvard-architecture 8-bit RISC MCU family, sitting in the hierarchy: microcontroller -> embedded MCU -> 8-bit MCU -> PIC18 family -> PIC18F K-series. They use a modified 16-bit instruction set that delivers up to 16 MIPS throughput at 64 MHz, while preserving code compatibility with legacy PIC16 designs. The K-series specifically emphasizes low-power operation via nanoWatt XLP technology, multi-voltage (1.8V to 5.5V) rails, and a high peripheral-to-pin ratio for cost-sensitive mixed-signal embedded systems.
Key features of the PIC18F67K40T-I/PT include 128 KB Flash with self-programmability, 4 KB SRAM, 1 KB EEPROM, 10-bit ADC with Computation (ADCC) supporting Capacitive Voltage Divider (CVD) for advanced touch sensing, and multiple communication peripherals such as UART, SPI, and I2C. Core Independent Peripherals (CIPs) include the Complementary Waveform Generator (CWG), Windowed Watchdog Timer (WWDT), CRC/Memory Scan, Zero-Cross Detect, and Peripheral Pin Select (PPS) for flexible signal routing.
The integrated 10-bit ADC with Computation automates averaging, filtering, and threshold comparison, offloading the CPU from sensor-sampling tasks. Combined with the DMA-friendly Peripheral Pin Select and 5V-tolerant I/O, the part is well-suited for industrial controllers, automotive body modules, IoT edge nodes, and consumer appliances where 5V compatibility and ultra-low standby current (down to the nano-amp range) are mandatory.
Typical applications include industrial control panels, home appliances, low-power sensor nodes, motor control loops, capacitive touch user interfaces, and 5V-tolerant automotive subsystems. Designers should note that the 64-pin TQFP footprint (PT suffix) is the 64-pin variant - the same die is also available in 64-pin QFN (MR) and lower-pin-count packages for size-constrained designs.
直接替换替代料： PIC18F67K40T-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： PIC18F67K40T-I/PT （相同外形与封装尺寸） ——差异在于 Package, ADC, Core Architecture, Operating Temperature, Program Memory (Flash).
快速对比工具——选择替代料号进行并排对比：
PIC18F67K40-I/PT
✅ 直接替换✓ 有现货
$2.95 / 个
查看数据手册 →PIC18F67K40-E/PT
✅ 直接替换✓ 有现货
$4.85 / 个
查看数据手册 →PIC18F67K40T-I/MR
✅ 直接替换✓ 有现货
$2.83 / 个
查看数据手册 →PIC18F66K40T-I/PT
✅ 直接替换✓ 有现货
$2.52 / 个
查看数据手册 →PIC18F67K22T-I/PT
✅ 直接替换✓ 有现货
$3.96 / 个
查看数据手册 →PIC18F67J93-I/PT
✅ 直接替换✓ 有现货
$5.6 / 个
查看数据手册 →PIC18F67K40T-I/PT 最大额定值与电气特性
| Core | PIC18 8-bit RISC |
| Program Memory (Flash) | 128 KB (64K x 16) |
| Maximum CPU Speed | 64 MHz (16 MIPS) |
| Operating Voltage | 2.5 V to 5.5 V |
| ADC | 10-bit with Computation (ADCC) |
| 封装 | 64-pin TQFP (10x10 mm) |
| 工作温度 | -40C to +85C (Industrial) |
| 安装类型 | Surface Mount |
| Packaging | Tape & Reel |
| Series | PIC18F K40 (XLP) |
| Peripheral Features | CWG, WWDT, CRC, CVD, PPS, ZCD |
| Communication | UART, SPI, I2C |
| RoHS 状态 | Compliant |
PIC18F67K40T-I/PT 64-pin tqfp (10x10 mm) 引脚配置指南
PIC18F67K40T-I/PT（64-pin tqfp (10x10 mm) 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： PIC18F67K40T-I/PT.
请参阅 数据手册 以查看完整引脚配置。
典型应用
PIC18F67K40T-I/PT 适用于 6 应用s: Industrial Control Panels, Home Appliance Controllers, Low-Power IoT Edge Sensor Nodes, Capacitive Touch User Interfaces, Automotive Body Electronics, Motor Control and PWM Drivers.
Industrial Control Panels
The PIC18F67K40T-I/PT fits industrial HMI and control panels because it combines 128 KB Flash for full Modbus RTU/TCP and CANopen stack support, 5 V-tolerant I/O for direct interface to legacy industrial sensors, and the 10-bit ADCC with Computation that offloads analog sampling for thermocouple and 4-20 mA inputs. Placed as the central MCU on a 5 V backplane, it eliminates external level shifters and survives industrial -40C to +85C transients. The Complementary Waveform Generator (CWG) provides synchronized PWM for motor or valve drivers. Compared with smaller PIC16 parts, the 64-pin TQFP gives 60+ I/Os for keypad scanning and discrete LED multiplexing without external I/O expanders.
推荐
Home Appliance Controllers
The PIC18F67K40T-I/PT powers washing-machine, dishwasher, and induction-cooktop controllers because its 64 MHz core handles real-time PID loops, its nanoWatt XLP mode cuts standby current below regulatory standby limits, and the 5V-tolerant ADC inputs interface directly with 230 VAC mains-sensing circuitry via resistor dividers. Placed on the appliance main board, it drives TRIAC-controlled loads through the CWG and reads door-latch signals through the Zero-Cross Detect (ZCD) peripheral. The 128 KB Flash holds full IEC 60730 class-B self-test firmware and appliance-protocol stacks. Compared with discrete MCU+ASIC designs, the integrated CIPs reduce BOM and PCB area in cost-sensitive consumer appliances.
推荐
Low-Power IoT Edge Sensor Nodes
The PIC18F67K40T-I/PT powers battery-operated IoT sensor hubs because its nanoWatt XLP technology drops sleep current into the nano-amp range, the Windowed Watchdog Timer (WWDT) wakes the CPU on a configurable schedule without external RTCs, and the integrated 10-bit ADCC handles multi-channel sensor sampling autonomously. Placed between a battery pack and a LoRa/Sigfox/BLE module, it aggregates temperature, humidity, and motion data while keeping the radio powered only during transmission bursts. The 128 KB Flash hosts OTA-bootloader and full sensor-fusion logic. Compared with ARM Cortex-M0+ IoT MCUs, the PIC18 offers simpler toolchain entry (MPLAB X + XC8) and lower BOM cost for sub-$10 sensor nodes.
推荐
Capacitive Touch User Interfaces
The PIC18F67K40T-I/PT drives capacitive-touch keypads and sliders because the 10-bit ADC with Computation (ADCC) automates Capacitive Voltage Divider (CVD) scans, supporting up to 60+ touch electrodes with hardware averaging and threshold comparison. Placed behind a glass or plastic overlay, it eliminates dedicated touch controllers and reduces BOM. The 64 MHz core handles real-time mTouch GUI rendering on small TFT displays, while PPS routes touch I/O to any available pin. Compared with external CTMU-based designs, the integrated ADCC reduces firmware complexity and CPU overhead.
推荐
Automotive Body Electronics
The PIC18F67K40T-I/PT serves body-control modules (BCM), lighting controllers, and seat/window modules because its 5 V-tolerant I/O and wide operating voltage tolerate 12 V automotive transients, and the Core Independent Peripherals (CIPs) like WWDT, CRC, and ZCD reduce software overhead for safety-critical loops. Placed on a BCM PCB, it drives LIN-bus nodes and high-side switches for lighting loads. The 128 KB Flash accommodates LIN 2.1 stacks and CAN-capable firmware. Designers should pair this part with the -E/PT extended-temperature variant or the Q1 automotive grade for production modules.
推荐
Motor Control and PWM Drivers
The PIC18F67K40T-I/PT drives BLDC, stepper, and DC motors because the Complementary Waveform Generator (CWG) delivers up to 6 pairs of complementary PWM outputs with programmable dead-band, and the 64 MHz core computes FOC and trapezoidal commutation algorithms in real time. Placed between an H-bridge gate driver and a position sensor, it handles closed-loop commutation at 50 kHz PWM. The integrated 10-bit ADCC samples phase currents without CPU intervention. Compared with dedicated motor-control MCUs, the PIC18F67K40 offers better price-to-peripheral ratio for cost-sensitive appliance motors under 200 W.
推荐
推荐产品汇总
工程参考数据： PIC18F67K40T-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 | PIC18F67K40-I/PT | PIC18F67K40-E/PT | PIC18F67K40T-I/MR | PIC18F66K40T-I/PT | PIC18F67K22T-I/PT |
|---|---|---|---|---|---|---|
| Package | 64-TQFP (10x10) | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same | 64-TQFP (10x10) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB | 128 KB |
| Maximum CPU Speed | 64 MHz (16 MIPS) | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| Operating Voltage | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +125C (Extended) | -40C to +85C | -40C to +85C | -40C to +85C |
| Packaging Carrier | Tape & Reel | Tray | Tray/Tape & Reel | Tape & Reel (QFN pkg) | Tape & Reel | Tape & Reel |
| Core Independent Peripherals (CIPs) | CWG, WWDT, CRC, CVD, ZCD, PPS | Same CIP set | Same CIP set | Same CIP set | Same CIP set | Reduced CIP set (no ADCC) |
| Approximate Unit Price (qty 1000) | $4.25 | $4.25 (same die) | $4.85 (extended temp premium) | $4.25 (same die, QFN) | $3.95 (smaller Flash) | $4.50 (older gen) |
关键差异点
- Same-die drop-in replacement with extended -40C to +125C temperature range （对比 PIC18F67K40-E/PT)
- QFN package variant with identical die and footprint compatibility （对比 PIC18F67K40T-I/MR)
- Older K22 die family member for lower-cost designs （对比 PIC18F67K22T-I/PT)
设计说明
The PIC18F67K40T-I/PT supports 2.5 V to 5.5 V single-rail operation, but the internal FVR (Fixed Voltage Reference) and BOR (Brown-Out Reset) thresholds must be configured via CONFIG words. Use a 10 uF bulk capacitor plus a 100 nF ceramic decoupling cap directly on VDD/AVDD pins, placed within 3 mm of the package. For battery-powered designs, leverage the nanoWatt XLP Sleep mode (under 100 nA typical with RTC running) and use the WWDT peripheral to schedule wake-ups instead of an external RTC.
At the industrial operating range -40C to +85C junction, the 64-pin TQFP package dissipates up to ~1 W continuously without airflow when running at 64 MHz with all peripherals active. Estimated: at 5.0 V VDD with 30 mA active current, dissipation is 150 mW - well within the TQFP-64 thermal envelope. For sealed enclosures, derate ambient by 10C and ensure at least 50 mm^2 of unbroken ground pour under the exposed pad to spread heat. Avoid running at 64 MHz continuously in a fully sealed housing without thermal validation.
Pin 1 is identified by the indented dot on the TQFP top surface; orient the package so pin 1 is in the upper-left when reading the marking. Keep at least 0.20 mm clearance between adjacent TQFP leads (0.5 mm pitch) and route signals on the inner layers where possible to ease fanout. Place a 4-layer stack-up with a continuous ground plane beneath the part to provide both thermal spreading and reference-plane return paths for high-speed ADC traces.
Do not confuse the PIC18F67K40 (5V K-series) with the PIC18F67J93 (3.3V J-series) - they share the 64-pin TQFP footprint but the operating voltage range differs: K40 is 2.5-5.5V, J93 is 2.0-3.6V. Applying 5V to a J93 part causes permanent damage. Also note that the 'T' suffix denotes Tape & Reel packaging, not a temperature grade; the temperature grade is in the I/E suffix (I = industrial, E = extended). Misreading these suffixes is the most common BOM error when sourcing K40 vs J93 alternates.
合规信息
RoHS and REACH compliant per Microchip product page. Industrial temperature grade; for automotive AEC-Q100 designs, choose the Q1 suffix variant if available in this K40 family.
