PIC18LF6585T-I/L - 8-bit 40MHz 48KB Flash MCU 68-PLCC | Microchip
MPN: PIC18LF6585T-I/L ✓ Hoạt độngPIC18LF6585T-I/L Tóm tắt
A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory (Flash/ROM), volatile data memory (RAM), and a rich set of peripherals (ADC, timers, communication ports). The PIC18LF6585 belongs to the PIC18F family -> 8-bit MCU -> microcontroller -> embedded computing hierarchy, with Microchip's enhanced Harvard RISC architecture offering 16-bit instructions and deterministic interrupt latency.
Key features include the enhanced CAN 2.0B controller, a 10-bit/12-bit ADC with up to 12 channels, four timer modules (Timer0-Timer3), two capture/compare/PWM (CCP) modules, an enhanced CCP (ECCP), a USART with IrDA, an MSSP for SPI/I2C, and a parallel slave port. The LF variant extends supply voltage operation down to 2.0V, making it suitable for battery-powered designs, while the 40 MHz oscillator enables instruction execution at 10 MIPS.
Typical applications include industrial automation and process control, automotive body and chassis subsystems (LIN/CAN nodes), appliance controllers, HVAC equipment, instrumentation and data loggers, USB/serial converters, and general-purpose embedded platforms that need more I/O and CAN than smaller 28/40-pin PIC18 parts can offer.
When designing with this part, observe the maximum 40 MHz Fosc at 4.2-5.5V and derate to 10 MHz at 2.0V. The 68-pin PLCC is a through-hole-friendly surface-mount package with J-leads - well suited to sockets, prototyping, and legacy board designs where pin replacement may be required.
This page synthesizes distributor pricing, drop-in alternatives (including same-family PIC18F6585 variants), and practical design notes not found in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho PIC18LF6585T-I/L — 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 PIC18LF6585T-I/L (cùng hình factor và footprint) — khác nhau ở ADC, Core Architecture, EEPROM, Instruction Throughput, Mounting Type.
PIC18LF6585-I/L
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F6585-I/L
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC18LF8585-I/L
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC18LF6685-I/L
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC18LF6585T-I/L Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC18F (8-bit, enhanced Harvard RISC) |
| Maximum CPU Clock | 40 MHz |
| Instruction Throughput | 10 MIPS (4 clocks per instruction) |
| Flash Program Memory | 48 KB (24K x 16 words) |
| RAM | 3.25 KB (3328 bytes) |
| EEPROM | 1 KB (1024 bytes) |
| Điện áp cung cấp | 2.0 V to 5.5 V (LF family; 4.2-5.5 V at full 40 MHz) |
| Digital I/O Pins | 52 |
| ADC | 10-bit, up to 12 channels (LF6585 variant) |
| CAN | 1 x ECAN 2.0B controller |
| Timers | 4 (Timer0-Timer3, 8/16-bit) |
| CCP / ECCP | 2 CCP + 1 ECCP (PWM/Compare/Capture) |
| Serial Interfaces | 1x USART (IrDA), 1x MSSP (SPI/I2C), 1x CAN |
| Hộp | 68-PLCC (J-Lead, 24.23 x 24.23 mm, through-hole-compatible SMD) |
| Nhiệt độ hoạt động | -40 C to +85 C (industrial, I grade) |
| Kiểu lắp đặt | Surface Mount (PLCC socket-compatible) |
| Trạng thái RoHS | Compliant (lead-free) |
Hướng dẫn cấu hình chân PIC18LF6585T-I/L 68-plcc (j-lead, 24.23 x 24.23 mm, through-hole-compatible smd)
Cấu hình chân cho PIC18LF6585T-I/L (68-plcc (j-lead, 24.23 x 24.23 mm, through-hole-compatible smd) gói). IC số này bao gồm chân GPIO, giao diện truyền thông (UART, SPI, I2C) và chân nguồn. Tham khảo tài liệu thông số kỹ thuật của nhà sản xuất để biết các chức năng chân thay thế và tùy chọn cấu hình. Cực kỳ quan trọng cho thiết kế hệ thống tích hợp và lập trình PCB.
Không có dữ liệu chân cụ thể sẵn có cho PIC18LF6585T-I/L.
Tham khảo: tài liệu kỹ thuật cho cấu hình chân đầy đủ.
Ứng dụng tiêu biểu
PIC18LF6585T-I/L phù hợp cho 6 Áp dụngs: Industrial CAN-Node Controllers, Appliance and HVAC Control Boards, Automotive Body and Chassis Subsystems, Instrumentation and Data Loggers, USB-to-Serial / Protocol Converter Bridges, General Embedded Control Platforms.
Industrial CAN-Node Controllers
The PIC18LF6585T-I/L fits industrial CAN-node controllers through its on-chip ECAN 2.0B controller that supports standard and extended identifiers at bit rates up to 1 Mbps, and its wide 2.0-5.5 V supply range that accommodates 24 V industrial buses after regulation. The 52 digital I/O pins allow direct interface to relays, opto-isolators, and discrete sensors, while the 10-bit ADC handles analog field signals. The 68-pin PLCC package is preferred in industrial designs for its socket compatibility, enabling easy field replacement and firmware updates. Compared with smaller 28/40-pin PIC18 parts, the LF6585 provides the CAN peripheral and peripheral I/O count needed for distributed control nodes on CANopen or DeviceNet networks. According to the PIC18F6x85 datasheet, the ECAN module offers 6 acceptance filters and masks, sufficient for typical industrial node addressing.
Được đề xuất
Appliance and HVAC Control Boards
The PIC18LF6585T-I/L is well-matched to appliance and HVAC control boards because its 48 KB Flash accommodates large state-machine firmware for compressors, fans, valves, and user-interface handling, while the LF family's 2.0 V minimum supply supports designs powered by 3-cell alkaline or single-cell Li-ion backup. The 10-bit ADC reads NTC thermistors, pressure transducers, and humidity sensors directly. Four timers and three CCP/ECCP modules drive TRIAC phase-control, PWM fan speed, and servo valves without additional logic. The -40 to +85 C industrial temperature rating is essential for under-hood appliance and rooftop HVAC environments. The 68-pin PLCC, with optional through-hole socket, simplifies field serviceability for warranty-driven repair flows.
Được đề xuất
Automotive Body and Chassis Subsystems
The PIC18LF6585T-I/L targets automotive body and chassis subsystems such as body control modules, instrument clusters, and door/window/seat controllers that require LIN or low-speed CAN connectivity and generous I/O count. Its LF low-voltage range simplifies integration with 12 V automotive rails after the regulator, while the ECAN peripheral speaks directly to chassis CAN buses. The -40 to +85 C industrial rating covers cabin and most under-hood locations. The 52 I/O lines drive LED matrix indicators, stepper-motor gauges, and switch-scan matrices without external logic. Engineers working on non-safety-critical body ECUs frequently choose this part for its balance of memory, peripherals, and through-hole-friendly 68-PLCC package. The 'I' suffix grade supports industrial/automotive cabin temperature profiles.
Được đề xuất
Instrumentation and Data Loggers
The PIC18LF6585T-I/L supports instrumentation and portable data-logger designs by combining 48 KB Flash for sample buffers and protocol stacks, 3.25 KB RAM for moving-window statistics, and 1 KB EEPROM for non-volatile configuration storage of calibration coefficients. The MSSP and USART enable SPI/SD-card logging and serial telemetry to host PCs. The LF supply range down to 2.0 V is ideal for two-cell battery packs with a long runtime target, and the low-power Timer1 oscillator keeps the real-time clock alive during sleep. The 10-bit ADC on 12 channels acquires multi-sensor inputs without an external multiplexer. The 68-pin PLCC allows designers to use ZIF sockets for fast firmware iteration during prototype calibration cycles.
Được đề xuất
USB-to-Serial / Protocol Converter Bridges
The PIC18LF6585T-I/L serves as the host MCU in USB-to-serial and protocol-converter bridge products by leveraging its USART for RS-232/RS-485 conversion, MSSP for SPI/I2C bridging, and ECAN for CAN-to-UART bridges used in industrial diagnostics. The 48 KB Flash holds USB CDC/HID class stacks alongside protocol translation logic. The 52 I/O lines are useful for handshake, flow-control, and LED-indicator pins. The PLCC-68 package fits in converter housings that already use a PLCC socket footprint. Designers value the LF6585 here because the LF voltage range tolerates USB-bus-powered 3.3 V or 5 V inputs without additional regulation.
Được đề xuất
General Embedded Control Platforms
The PIC18LF6585T-I/L is well suited to general-purpose embedded control platforms and development boards where its 48 KB Flash, 3.25 KB RAM, and 52 I/O pins support a wide range of teaching, hobbyist, and prototype applications. The PLCC package with socket compatibility allows students and engineers to repeatedly remove and reprogram the chip. The LF voltage range lets the same board run from USB 5 V, a 3.3 V regulator, or 2-3 AA cells. The on-chip ECAN, USART, MSSP, and CCP peripherals cover nearly every peripheral-lab exercise. According to Microchip's PIC18F6x85 datasheet, the LF6585 is fully supported by MPLAB X IDE, XC8 compiler, and MPLAB Code Configurator (MCC) for rapid prototyping.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18LF6585T-I/L — 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 | PIC18LF6585-I/L | PIC18F6585-I/L | PIC18LF8585-I/L | PIC18LF6685-I/L |
|---|---|---|---|---|---|
| Package | 68-PLCC (L) | 68-PLCC (L) - same | 68-PLCC (L) - same | 68-PLCC (L) - same | 68-PLCC (L) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 48 KB | 48 KB (same) | 48 KB (same) | 64 KB (+33%) | 96 KB (+100%) |
| RAM | 3.25 KB | 3.25 KB (same) | 3.25 KB (same) | 3.25 KB (same) | 3.65 KB (+12%) |
| Minimum Supply Voltage | 2.0 V | 2.0 V (same) | 4.2 V (F variant) | 2.0 V (same) | 2.0 V (same) |
| CAN Peripheral | ECAN 2.0B | ECAN 2.0B (same) | ECAN 2.0B (same) | ECAN 2.0B (same) | ECAN 2.0B (same) |
| Maximum CPU Clock | 40 MHz | 40 MHz (same) | 40 MHz (same) | 40 MHz (same) | 40 MHz (same) |
| Digital I/O Pins | 52 | 52 (same) | 52 (same) | 52 (same) | 52 (same) |
| Operating Temperature | -40 to +85 C (I grade) | -40 to +85 C (same) | -40 to +85 C (same) | -40 to +85 C (same) | -40 to +85 C (same) |
| Packaging Variant | Tape & Reel (-T suffix) | Tube | Tube | Tube | Tube |
Bảo phân biệt quan trọng
- Extended low-voltage LF family (2.0-5.5 V) versus F variant (4.2-5.5 V) (vsPIC18F6585-I/L)
- 48 KB Flash vs 64 KB in PIC18LF8585 (vsPIC18LF8585-I/L)
- Tape-and-reel packaging for high-volume assembly (vsPIC18LF6585-I/L (tube))
Ghi chú thiết kế
The PIC18LF6585T-I/L LF family operates from 2.0 V to 5.5 V. At full 40 MHz Fosc the minimum supply rises to 4.2 V; below that VDD the maximum Fosc derates to approximately 10 MHz at 2.0 V. Always consult the Fosc vs VDD curve in the PIC18F6x85 datasheet before committing a low-voltage design to 40 MHz operation. Use an MCP1700 LDO or similar low-Iq regulator for battery-powered designs to preserve the LF6585's low-power sleep modes.
The 68-pin PLCC requires a 24.23 x 24.23 mm land pattern with J-lead pads on 1.27 mm pitch. Place a 0.1 uF decoupling capacitor as close as possible to each VDD/VSS pair (typically pins 19/20 and 64/1 on the PLCC). Add a bulk 10 uF tantalum or ceramic at the MCU supply pin. For CAN designs, keep the ECAN TX/RX traces short and route them away from the high-current switching nodes to maintain EMC margin.
Do not assume the LF6585 and the F6585 are interchangeable without checking the minimum VDD requirement. Do not enable the ECAN peripheral without an external CAN transceiver - the on-chip controller drives logic-level signals only. Do not exceed 40 MHz Fosc at VDD below 4.2 V, or the device may malfunction due to internal clock-loss detection. Configure the configuration bits (CONFIG1H-CONFIG4L) to match the oscillator mode and WDT/ICD settings before code generation.
Thông tin tuân thủ
RoHS-compliant lead-free PLCC package per Microchip product page. Not AEC-Q100 qualified - the LF6585 carries the industrial -40 to +85 C (I) grade rather than the automotive Q-100 grade; for AEC-Q100 qualified CAN MCUs consider PIC18F26K80 or PIC18F46K80 family.
