PIC18F67K40-I/PT - 8-bit 64MHz 128KB Flash XLP MCU | Microchip
MPN: PIC18F67K40-I/PT ✓ Hoạt độngPIC18F67K40-I/PT Tóm tắt
What is a PIC18 XLP microcontroller? The PIC18 family is Microchip's 8-bit RISC architecture widely used in embedded control. XLP is Microchip's branded ultra-low-power technology that integrates sleep modes down to nanoampere range, suited for battery or energy-harvesting designs. Within the broader taxonomy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. The PIC18F67K40 brings together large memory (128 KB Flash), rich analog peripherals (10-bit ADC, 5-bit DAC, comparators, PWM/CCP), and 5V-tolerant I/O into one of Microchip's highest-integration 64-pin PIC18 devices.
Key features include 128 KB Flash with 64K x 16 organization, 4 KB SRAM, 256 B EEPROM, a 10-bit ADC with automatic accumulation, 5-bit DAC, multiple PWM/CCP/CWG channels, windowed watchdog (WWDT), hardware CRC/SCAN, and Zero-Cross Detect (ZCD) for AC-line sensing. The wide 2.3V-5.5V operating range with internal regulator supports both 3.3V and 5V system rails from a single part. The CIP concept lets timers, PWMs and communications operate without CPU intervention, leaving the core free for application logic or deep sleep.
Architecture-wise, the device uses a 16-bit modified Harvard core with single-cycle execution from Flash via prefetch buffer, 31-level hardware stack, and 8x8 hardware multiply. The Core Independent Peripheral block (CIP) integrates configurable logic, waveform generation, and zero-cross detect for direct AC-line sensing or TRIAC control without external glue logic. XLP idle/doze/sleep modes cut quiescent current to enable years of operation from a small cell.
Typical applications include industrial control and sensor hubs, white goods and appliance UI panels, automotive body and HMI subsystems, USB and CAN sensing nodes, lighting controllers, and general-purpose 8-bit embedded platforms where 5V tolerance and large memory simplify system integration.
When designing in, ensure decoupling is placed within 5 mm of VDD pins, route HF traces over a continuous ground reference, and use MPLAB X IDE with XC8 compiler plus the MPLAB Code Configurator (MCC) for CIP setup. For migration between PIC18F67K40 family members, verify peripheral pin map and programming ID bits via the device datasheet.
This page synthesizes distributor pricing, drop-in alternatives in the same TQFP-64 footprint, and practical design notes not found in the manufacturer datasheet, helping engineers shorten sourcing and review cycles.
Bộ thay thế dễ dàng lắp đặt cho PIC18F67K40-I/PT — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC18F67K40-I/PT (cùng hình factor và footprint) — khác nhau ở ADC, Package, Program Memory (Flash), Core Architecture, I/O Pins.
PIC18F67K40T-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F67K40-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F6622-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F6585-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F46Q10-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33EV64GM106-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F67K40-I/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | 8-bit PIC18 (modified Harvard) |
| Maximum CPU Speed | 64 MHz |
| Program Memory (Flash) | 128 KB (64K x 16) |
| SRAM | 4 KB |
| EEPROM | 256 B |
| Hộp | TQFP-64 (PT) 10x10 mm |
| Số chân | 64 |
| Operating Voltage | 2.3 V to 5.5 V |
| ADC | 10-bit |
| DAC | 5-bit |
| XLP (eXtreme Low Power) | Yes |
| Core Independent Peripherals | CWG, WWDT, CRC/SCAN, ZCD, HLT, CCP, PWM |
| Operating Temperature (I grade) | -40C to +85C |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 3 |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC18F67K40-I/PT
| Chân 1 | RC0 — Digital I/O / AN4 / CCP1 |
| Chân 2 | RC1 — Digital I/O / AN5 / CCP2 |
| Chân 3 | RC2 — Digital I/O / AN6 / CCP3 |
| Chân 4 | RC3 — Digital I/O / AN7 / CCP4 |
| Chân 5 | RC4 — Digital I/O / AN8 |
| Chân 6 | RC5 — Digital I/O / AN9 |
| Chân 7 | — Digital I/O / AN10 / TX/CK |
| Chân 8 | RC7 — Digital I/O / AN11 / RX/DT |
| Chân 9 | RD0 — Digital I/O |
| Chân 10 | RD1 — Digital I/O |
| Chân 11 | RD2 — Digital I/O |
| Chân 12 | RD3 — Digital I/O |
| Chân 13 | RD4 — Digital I/O |
| Chân 14 | RD5 — Digital I/O |
| Chân 15 | RD6 — Digital I/O / TX2/CK2 |
| Chân 16 | RD7 — Digital I/O / RX2/DT2 |
| Chân 17 | VSS — Ground reference |
| Chân 18 | VDD — Positive power supply (2.3V-5.5V) |
| Chân 19 | RE0 — Digital I/O |
| Chân 20 | RE1 — Digital I/O |
| Chân 21 | RE2 — Digital I/O |
| Chân 22 | RE3 — Digital I/O |
| Chân 23 | RA0 — Digital I/O / AN0 |
| Chân 24 | RA1 — Digital I/O / AN1 |
| Chân 25 | RA2 — Digital I/O / AN2 / DAC |
| Chân 26 | RA3 — Digital I/O / AN3 / VREF+ |
| Chân 27 | RA4 — Digital I/O / AN4 / T0CKI |
| Chân 28 | RA5 — Digital I/O / AN5 |
| Chân 29 | RA6 — Digital I/O / OSC2 |
| Chân 30 | RA7 — Digital I/O / OSC1 |
| Chân 31 | VSS — Ground reference |
| Chân 32 | VDD — Positive power supply (2.3V-5.5V) |
| Chân 33 | RB0 — Digital I/O / INT0 / AN12 |
| Chân 34 | RB1 — Digital I/O / INT1 / AN13 |
| Chân 35 | RB2 — Digital I/O / INT2 / AN14 |
| Chân 36 | RB3 — Digital I/O / INT3 / AN15 |
| Chân 37 | RB4 — Digital I/O / AN16 |
| Chân 38 | RB5 — Digital I/O / AN17 |
| Chân 39 | RB6 — Digital I/O / ICSPCLK |
| Chân 40 | RB7 — Digital I/O / ICSPDAT |
| Chân 41 | VSS — Ground reference |
| Chân 42 | VDD — Positive power supply (2.3V-5.5V) |
| Chân 43 | RF0 — Digital I/O / AN16 |
| Chân 44 | RF1 — Digital I/O / AN17 |
| Chân 45 | RF2 — Digital I/O |
| Chân 46 | RF3 — Digital I/O |
| Chân 47 | RF4 — Digital I/O |
| Chân 48 | RF5 — Digital I/O |
| Chân 49 | RF6 — Digital I/O |
| Chân 50 | RF7 — Digital I/O |
| Chân 51 | VSS — Ground reference |
| Chân 52 | VDD — Positive power supply (2.3V-5.5V) |
| Chân 53 | RG0 — Digital I/O |
| Chân 54 | RG1 — Digital I/O |
| Chân 55 | RG2 — Digital I/O |
| Chân 56 | RG3 — Digital I/O |
| Chân 57 | RG4 — Digital I/O |
| Chân 58 | RG5 — Digital I/O |
| Chân 59 | RG6 — Digital I/O |
| Chân 60 | RG7 — Digital I/O |
| Chân 61 | VSS — Ground reference |
| Chân 62 | VDD — Positive power supply (2.3V-5.5V) |
| Chân 63 | MCLR — Master Clear (reset) input |
| Chân 64 | AVSS — Analog ground reference |
Ứng dụng tiêu biểu
PIC18F67K40-I/PT phù hợp cho 6 Áp dụngs: Industrial Sensor Hub, White Goods and Appliance UI Panel, Automotive Body and HMI Subsystem, LED Lighting Controller with Dimming, USB and CAN Sensing Node, General Purpose 8-bit Embedded Platform.
Industrial Sensor Hub
The PIC18F67K40-I/PT fits industrial sensor hub designs because of its 128 KB Flash and 64-pin TQFP that exposes enough GPIO for multi-channel sensor arrays, plus 5V-tolerant I/O that interfaces directly with legacy 5V industrial sensors without level shifters. The integrated 10-bit ADC handles analog sensor readings from temperature, pressure, or flow transducers, while the Windowed Watchdog Timer (WWDT) and hardware CRC/SCAN meet functional-safety expectations for industrial equipment. The 2.3V-5.5V operating range accepts 24V-bus-derived 5V rails common in factory automation, and XLP sleep modes extend battery life in remote or wireless sensor nodes. A typical implementation places the F67K40 on a backplane with RS-485 transceivers, with CIP running protocol formatting in the background while the CPU wakes only to process commands.
Được đề xuất
White Goods and Appliance UI Panel
The PIC18F67K40-I/PT is well suited for white goods UI panels (washing machines, dishwashers, ovens) because its 64-pin TQFP exposes enough GPIO to drive 7-segment displays, capacitive touch electrodes, and rotary encoders simultaneously. The integrated Complementary Waveform Generator (CWG) and PWM channels drive motor-control relays, buzzer tones, and triac-based heater controls, while the 5-bit DAC and comparators handle user-interface analog inputs such as rotary knobs or thermistor sensing. According to the Microchip PIC18(L)F67K40 datasheet, the device operates from 2.3V to 5.5V, accepting 5V rails from rectified mains-derived supplies common in appliances. The CIP architecture lets PWM bezel dimming and buzzer tones run without CPU intervention, leaving the core free for state-machine UI logic and EEPROM-backed cycle memory.
Được đề xuất
Automotive Body and HMI Subsystem
The PIC18F67K40-I/PT works well in automotive body and HMI subsystems (window lift, mirror control, climate panel) because its 64 MHz CPU and 128 KB Flash handle LIN-stack firmware plus HMI logic simultaneously. The 5V-tolerant I/O interfaces directly with automotive 12V-derived 5V rails through external transorb protection, while the Windowed Watchdog Timer (WWDT) provides ISO 26262-friendly supervision on the MCU itself. The Zero-Cross Detect (ZCD) peripheral enables direct AC-mains-zero-cross sensing for dimmer or motor-control applications, reducing analog BOM. According to the Microchip PIC18(L)F67K40 datasheet, the I-grade -40C to +85C operating range covers passenger cabin environments, and the same die is also offered in E-grade -40C to +125C for underhood use cases where extreme temperatures are encountered.
Được đề xuất
LED Lighting Controller with Dimming
The PIC18F67K40-I/PT fits commercial LED lighting controller designs because its CWG peripheral and multiple PWM channels deliver flicker-free dimming across multiple LED strings without external driver logic. The Zero-Cross Detect (ZCD) senses AC-mains zero-cross for phase-controlled dimming, while the 5-bit DAC and comparators close the loop on constant-current feedback. XLP sleep modes reduce standby consumption below 100 nA, helping designs meet Energy Star and DLC efficiency targets. A typical implementation drives 4-8 LED strings via external MOSFETs, with the F67K40 running DMX-512 or 0-10V dimming protocol while PWM outputs modulate brightness. According to the Microchip PIC18(L)F67K40 datasheet, the 128 KB Flash holds DMX stack plus dimming curves, and 4 KB SRAM buffers frames without external memory.
Được đề xuất
USB and CAN Sensing Node
The PIC18F67K40-I/PT suits USB and CAN sensing nodes in industrial and automotive networks because its 64 MHz core runs CAN 2.0B software stacks or USB CDC class firmware with headroom for application logic. The 128 KB Flash accommodates full CANopen or J1939 protocol stacks, while 4 KB RAM buffers incoming message frames before forwarding to a host. The 5V-tolerant I/O is forgiving for the 5V CAN bus levels often used with external transceivers like the MCP2551 or MCP2562. According to the Microchip PIC18(L)F67K40 datasheet, the device is fully static and runs from 2.3V to 5.5V, allowing direct operation from a 5V CAN bus rail in some designs. Hardware CRC/SCAN accelerates CAN frame validation, freeing the CPU from byte-wise checksums and improving bus bandwidth.
Được đề xuất
General Purpose 8-bit Embedded Platform
The PIC18F67K40-I/PT is a strong choice for general-purpose 8-bit embedded platforms because it combines 128 KB Flash, 4 KB RAM, 64 GPIO, and the broadest set of Core Independent Peripherals in the PIC18 family. Designers use it as a 'do everything' platform that can drive displays, sample ADCs, generate PWMs, communicate over UART/I2C/SPI, and still run application firmware without external companion ICs. According to the Microchip PIC18(L)F67K40 datasheet, the integrated CIP allows timers, PWMs, and communications to operate without CPU intervention, leaving the core free for state-machine logic or deep sleep. MPLAB X IDE with the XC8 compiler plus MPLAB Code Configurator (MCC) generates framework code automatically, and the device pin-maps cleanly to the PIC18F46Q10-I/PT family for migration.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18F67K40-I/PT — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC18F67K40T-I/PT | PIC18F67K40-E/PT | PIC18F6622-I/PT | PIC18F6585-I/PT | PIC18F46Q10-I/PT | DSPIC33EV64GM106-I/PT |
|---|---|---|---|---|---|---|---|
| Package | TQFP-64 (PT) 10x10 mm | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same | TQFP-64 (PT) 10x10 mm - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Architecture | 8-bit PIC18 | 8-bit PIC18 - same | 8-bit PIC18 - same | 8-bit PIC18 - same | 8-bit PIC18 - same | 8-bit PIC18 - same | 16-bit dsPIC33 - different ISA |
| Maximum CPU Speed | 64 MHz | 64 MHz - same | 64 MHz - same | 40 MHz -37.5% | 40 MHz -37.5% | 64 MHz - same | 70 MIPS -70 MHz |
| Flash Program Memory | 128 KB | 128 KB - same | 128 KB - same | 64 KB -50% | 48 KB -62% | 64 KB -50% | 64 KB -50% |
| RAM | 4 KB | 4 KB - same | 4 KB - same | 3.8 KB -5% | 3.4 KB -15% | 4 KB - same | 8 KB +100% |
| Operating Voltage Range | 2.3 V to 5.5 V | 2.3 V to 5.5 V - same | 2.3 V to 5.5 V - same | 2.0 V to 5.5 V - wider | 2.0 V to 5.5 V - wider | 2.3 V to 5.5 V - same | 3.0 V to 3.6 V - narrower |
| XLP / Low Power | Yes (XLP, nanoamp sleep) | Yes (XLP) - same | Yes (XLP) - same | No (legacy nanoWatt) | No (legacy nanoWatt) | Yes (XLP) - same | Yes (eXtreme Low Power) |
| Operating Temperature | -40C to +85C (I grade) | -40C to +85C - same | -40C to +125C - wider | -40C to +85C - same | -40C to +85C - same | -40C to +85C - same | -40C to +85C - same |
Bảo phân biệt quan trọng
- Highest Flash density in PIC18 TQFP-64 family (vsPIC18F6622-I/PT)
- XLP nanoamp sleep modes for battery designs (vsPIC18F6585-I/PT)
- Core Independent Peripherals with hardware CRC/SCAN (vsPIC18F46Q10-I/PT)
Ghi chú thiết kế
The PIC18F67K40-I/PT operates from 2.3V to 5.5V via its internal regulator, accepting both 3.3V and 5V rails. Place a 100 nF decoupling capacitor within 5 mm of each VDD pin and a bulk 10 uF tantalum or ceramic on the main rail. AVDD and AVSS should be tied to VDD and VSS respectively when the analog peripherals (ADC, DAC, comparators) are used, with a separate 100 nF cap on AVDD if noise-sensitive analog readings are required. Estimated: input current at 64 MHz full-speed execution is typically 8-12 mA, plus peripheral current; sleep current with XLP is below 100 nA with RTCC active.
Route high-frequency traces (clocks, PWM outputs, communication lines) over a continuous ground reference plane to control impedance and reduce radiated emissions. Keep the TQFP-64 (PT) 10x10 mm footprint clean with 0.5 mm pitch traces routed on inner layers or short outer stubs. For programming, expose ICSPCLK and ICSPDAT pins (RB6/RB7) to an in-circuit programming header even in production, as field firmware updates via ICSP save costly recall loops. The MCLR pin requires a 10 kohm pull-up to VDD with a 100 nF cap to ground for clean reset behavior.
Do not exceed 5.5 V on any pin including digital I/O - although 5V-tolerant, sustained overvoltage damages ESD cells. Verify the CONFIG words for oscillator mode (HS vs INTOSC), watchdog enable, brown-out voltage, and code protection before production programming; once locked, debugging becomes impossible without a full chip erase. When migrating from PIC18F66K40 or PIC18F67K22, check the peripheral pin map because some CIP assignments differ between K22 and K40 generations. Always enable the WWDT (Windowed Watchdog Timer) on safety-relevant designs - the legacy WDT does not catch runaway code within the same window.
Thông tin tuân thủ
RoHS compliant per Microchip product page. AEC-Q100 not qualified; for automotive safety-relevant applications, consult Microchip's automotive-grade PIC18F K40 family variants.
