PIC18LF6627T-I/PT - 96KB Flash 8-bit MCU 40MHz TQFP-64 | Microchip
MPN: PIC18LF6627T-I/PT ✓ Hoạt độngPIC18LF6627T-I/PT Tóm tắt
A PIC microcontroller is a family of low-power, high-reliability 8-/16-/32-bit RISC microcontrollers built around Microchip's proprietary Harvard architecture. PIC18F-class devices sit in the upper tier of the 8-bit PIC portfolio, offering enhanced 16-bit-wide instruction words, linear program memory addressing up to 2 MB, a hardware multiply engine, C-compiler-friendly architecture, and rich on-chip peripherals. They function as the application's main control core - executing firmware, sampling sensors, driving actuators, and communicating with peripheral ICs over UART, SPI, I2C, USB, or CAN.
Key features of the PIC18LF6627 include 70 I/O pins (giving wide parallel bus or matrix-keypad headroom), a 10-bit ADC with up to 16 channels, multiple PWM modules, two enhanced USART modules, MSSP (SPI/I2C), a 16-bit timer/cascade, a CTMU charge-time measurement unit, an RTCC with timestamp functionality, and an on-chip 1% internal oscillator for BOM-cost reduction. The device supports In-Circuit Serial Programming (ICSP) and In-Circuit Debug (ICD) via two pins, allowing firmware updates in the field without removing the MCU.
Architecture-wise the PIC18LF6627 uses the standard PIC18 16-bit modified-Harvard core with a hardware stack, a single-cycle ALU, and table-read/table-write Flash access. The 64-pin TQFP gives access to virtually every peripheral simultaneously - critical for designs that need both a parallel external memory bus and multiple serial channels.
Typical applications include industrial control panels, HVAC and building automation gateways, automotive body and infotainment nodes, USB peripherals, sensor aggregators, medical monitoring devices, and consumer appliances. The wide voltage range plus industrial temperature grade makes it equally suitable for outdoor, factory-floor, and battery-powered portable products.
When designing with this part, allocate a 10 nF + bulk decoupling pair per power pin, place a 4.7 kohm pull-up on MCLR if not driven by a supervisor, and reserve the ICSPDAT/ICSPCLK pins for the programming/debug header - even on production boards. The LF variant is interchangeable with the F variant when VDD does not exceed 5.5 V, giving flexibility to switch F/LF based on inventory.
This page synthesizes distributor pricing, drop-in alternatives, parameter comparisons, and practical design notes not aggregated in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho PIC18LF6627T-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 PIC18LF6627T-I/PT (cùng hình factor và footprint) — khác nhau ở Timers, Package, Core Architecture, ADC, I/O Pins.
PIC18LF6627-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18LF6622T-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18LF8722T-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC18LF6627T-I/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC18 (8-bit RISC Harvard) |
| Program Memory (Flash) | 96 KB (48K x 16) |
| Data RAM | 4 KB |
| EEPROM | 1 KB |
| Maximum CPU Frequency | 40 MHz |
| Supply Voltage (VDD) | 2.0 V to 5.5 V |
| I/O Pins | 70 (multiplexed) |
| A/D Converter | 10-bit, up to 16 channels |
| PWM Modules | Yes (multiple CCP/ECCP) |
| USART | 2x Enhanced USART |
| MSSP (SPI/I2C) | Yes |
| Timers | Multiple 8-bit and 16-bit |
| Internal Oscillator | 31 kHz + 8 MHz selectable (1% accuracy) |
| Nhiệt độ hoạt động | -40C to +85C (Industrial) |
| Hộp | 64-pin TQFP (PT), 10x10 mm |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 3 (168 hours) |
| Lead-Free / RoHS | Yes (lead-free, RoHS compliant) |
| ICSP / ICD | Yes (2-wire) |
| Operating Voltage Rails Supported | 2.5 V / 3.3 V / 5 V |
Cấu hình chân PIC18LF6627T-I/PT
| Chân 1 | RF0 — Digital I/O / analog input |
| Chân 2 | RF1 — Digital I/O / analog input |
| Chân 3 | RF2 — Digital I/O / analog input |
| Chân 4 | RF3 — Digital I/O / analog input |
| Chân 5 | RF4 — Digital I/O / analog input |
| Chân 6 | RF5 — Digital I/O / analog input |
| Chân 7 | RF6 — Digital I/O / analog input |
| Chân 8 | RF7 — Digital I/O / analog input |
| Chân 9 | RG0 — Digital I/O |
| Chân 10 | RG1 — Digital I/O |
| Chân 11 | RG2 — Digital I/O |
| Chân 12 | RG3 — Digital I/O |
| Chân 13 | MCLR — Master Clear / Reset input |
| Chân 14 | OSC1 — Crystal oscillator input |
| Chân 15 | OSC2 — Crystal oscillator output |
| Chân 16 | RA0 — Digital I/O / analog input |
| Chân 17 | RA1 — Digital I/O / analog input |
| Chân 18 | RA2 — Digital I/O / analog input |
| Chân 19 | RA3 — Digital I/O / analog input |
| Chân 20 | RA4 — Digital I/O / analog input |
| Chân 21 | RA5 — Digital I/O / analog input |
| Chân 22 | VDD — Power supply + |
| Chân 23 | VSS — Ground |
| Chân 24 | RA6 — Digital I/O / analog input |
| Chân 25 | RA7 — Digital I/O / analog input |
| Chân 26 | RB0 — Digital I/O / interrupt-on-change |
| Chân 27 | RB1 — Digital I/O / interrupt-on-change |
| Chân 28 | RB2 — Digital I/O / interrupt-on-change |
| Chân 29 | RB3 — Digital I/O / interrupt-on-change |
| Chân 30 | RB4 — Digital I/O / interrupt-on-change |
| Chân 31 | RB5 — Digital I/O / interrupt-on-change |
| Chân 32 | RB6 — Digital I/O / ICSP clock |
| Chân 33 | RB7 — Digital I/O / ICSP data |
| Chân 34 | RC0 — Digital I/O |
| Chân 35 | RC1 — Digital I/O |
| Chân 36 | RC2 — Digital I/O |
| Chân 37 | RC3 — Digital I/O |
| Chân 38 | RD0 — Digital I/O |
| Chân 39 | RD1 — Digital I/O |
| Chân 40 | RD2 — Digital I/O |
| Chân 41 | RD3 — Digital I/O |
| Chân 42 | RC4 — Digital I/O |
| Chân 43 | RC5 — Digital I/O |
| Chân 44 | RC6 — Digital I/O / TX |
| Chân 45 | RC7 — Digital I/O / RX |
| Chân 46 | RD4 — Digital I/O |
| Chân 47 | RD5 — Digital I/O |
| Chân 48 | RD6 — Digital I/O |
| Chân 49 | RD7 — Digital I/O |
| Chân 50 | VSS — Ground |
| Chân 51 | VDD — Power supply + |
| Chân 52 | RE0 — Digital I/O / analog input |
| Chân 53 | RE1 — Digital I/O / analog input |
| Chân 54 | RE2 — Digital I/O / analog input |
| Chân 55 | RE3 — Digital I/O / analog input |
| Chân 56 | RE4 — Digital I/O / analog input |
| Chân 57 | RE5 — Digital I/O / analog input |
| Chân 58 | RE6 — Digital I/O / analog input |
| Chân 59 | RE7 — Digital I/O / analog input |
| Chân 60 | VSS — Ground |
| Chân 61 | VDD — Power supply + |
| Chân 62 | RG4 — Digital I/O |
| Chân 63 | RH0 — Digital I/O / analog input |
| Chân 64 | RH1 — Digital I/O / analog input |
Ứng dụng tiêu biểu
PIC18LF6627T-I/PT phù hợp cho 6 Áp dụngs: Industrial Control Panels, Building Automation Gateways, Automotive Body & Infotainment Nodes, USB Peripherals and HIDs, Medical Monitoring Devices, Sensor Aggregators and IoT Edge Nodes.
Industrial Control Panels
The PIC18LF6627T-I/PT suits industrial control panels requiring up to 70 I/O lines for keypad, LCD, relay drivers and sensor inputs. Its 96 KB Flash hosts large protocol stacks (Modbus RTU, CANopen) plus HMI logic, while 4 KB RAM keeps message buffers and LCD framebuffers in chip. The 10-bit ADC with 16 channels reads multiple analog sensor signals simultaneously, and 2.0-5.5 V operation tolerates noisy 24 V-derived rails after regulation. Compared with smaller PIC18F variants, this part's memory headroom removes the need for an external EEPROM and simplifies BOM.
Được đề xuất
Building Automation Gateways
Building automation gateways aggregate BACnet, Modbus or LonWorks traffic from HVAC, lighting and access-control subsystems. The PIC18LF6627T-I/PT's two enhanced USARTs handle RS-485 trunks at 1 Mbps while MSSP serves an I2C sensor bus. The 70 I/O drive LCD keypads, LEDs and dry-contact relays directly. Industrial -40C to +85C temperature grade supports unconditioned mechanical rooms. The wide 2.0-5.5 V supply lets the same board run from 3.3 V sensor power or 5 V relay power, simplifying dual-voltage designs.
Được đề xuất
Automotive Body & Infotainment Nodes
Body control modules, mirror controllers, instrument-cluster nodes and infotainment sub-modules benefit from the PIC18LF6627T-I/PT's automotive cousin PIC18LF6627T-I/PT (industrial grade here, with AEC-Q100 grade available as PIC18F6627-I/PT). 70 I/O drive indicator LEDs, switches, motors and LIN/CAN buses. The CTMU charge-time measurement unit enables capacitive touch keys for door handles and infotainment sliders. 96 KB Flash stores bootloader plus full feature firmware; 4 KB RAM serves CAN/LIN mailbox buffers. Wide voltage tolerance handles cranking transients down to 4.0 V nominal.
Được đề xuất
USB Peripherals and HIDs
The PIC18LF6627T-I/PT hosts USB Full-Speed device firmware stacks for HID-class peripherals such as custom keyboards, pointer devices, audio controls and measurement instruments. The on-chip USB SIE (where present on the LF66xx sub-family) plus 96 KB Flash holds USB stack, class descriptors and application logic. 70 I/O scan matrices up to 8x8 for keypads. The industrial temperature range keeps the part working in automotive and outdoor environments. Compared with smaller PIC16F variants, the LF6627 eliminates external RAM for descriptor buffering.
Được đề xuất
Medical Monitoring Devices
Patient monitors, infusion pumps and portable diagnostic tools benefit from the PIC18LF6627T-I/PT's 96 KB Flash for protocol stacks (Bluetooth command sets, USB CDC, custom RF), 4 KB RAM for sample buffers, and 16-channel 10-bit ADC for multi-signal acquisition. The LF variant's 2.0 V rail supports single-cell Li-ion designs without boost converters. Industrial -40C to +85C operation covers hospital, ambulatory and home environments. The CTMU enables accurate temperature, capacitance and pulse-oximetry front-end measurements.
Được đề xuất
Sensor Aggregators and IoT Edge Nodes
IoT edge nodes aggregate sensor traffic from I2C, SPI and analog sources and forward via UART, USB or radio. The PIC18LF6627T-I/PT runs a TCP/IP-over-UART or LoRaWAN stack in 96 KB Flash, with 4 KB RAM for socket buffers and 70 I/O to host many sensor breakouts. The 2.0-5.5 V range lets the node share a coin-cell or USB-derived supply. The PIC18LF6627T-I/PT's low-power sleep modes and CTMU wake-on-touch add useful energy-saving features for battery deployments. Compared with ESP-class parts, the PIC18 has a far more deterministic interrupt latency and -40C to +85C industrial range.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18LF6627T-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 | PIC18LF6627-I/PT | PIC18LF6622T-I/PT | PIC18LF8722T-I/PT |
|---|---|---|---|---|
| Package | TQFP-64 (PT) | TQFP-64 (PT) - same | TQFP-64 (PT) - same | TQFP-80 (PT) - different, larger |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 96 KB | 96 KB | 64 KB | 128 KB |
| RAM | 4 KB | 4 KB | 3.8 KB | 3.8 KB |
| I/O Pins | 70 | 70 | 70 | 70 (80-pin package) |
| CPU Frequency | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Supply Voltage | 2.0 - 5.5 V | 2.0 - 5.5 V | 2.0 - 5.5 V | 2.0 - 5.5 V |
| A/D Channels | 16 x 10-bit | 16 x 10-bit | 16 x 10-bit | 16 x 10-bit |
Bảo phân biệt quan trọng
- Highest Flash density in the LF662x family (vsPIC18LF6622T-I/PT)
- Most I/O pins in a 64-pin TQFP (vsPIC18LF46K22)
- Industrial -40C to +85C temperature range with automotive cousin available (vsconsumer-grade PIC16F variants)
Ghi chú thiết kế
Place a 100 nF ceramic decoupling capacitor as close as possible to every VDD/VSS pair (4 pairs total on this 64-pin TQFP). Add a single 10 uF bulk capacitor near the package. Estimated: with 70 I/O pins each toggling 5 pF at 10 MHz, dynamic current peaks can reach 35 mA; the bulk cap absorbs these spikes. Keep analog VDD/VSS (AVDD/AVSS) tied to the digital rails through a ferrite bead on analog designs.
Route ICSPDAT (RB7) and ICSPCLK (RB6) directly to a 2x3 or 1x6 programming header on every production board - even field-deployed units - so firmware updates never require board removal. Keep the trace length under 50 mm and surround them with ground. Route the 32.768 kHz crystal traces short and symmetric, with a ground guard ring, to maintain RTCC accuracy within +/- 2 minutes per month per Microchip PIC18F6627 datasheet DS39746F.
Do not leave MCLR floating - tie to VDD through a 4.7 kohm resistor or drive it from a dedicated supervisor. Always configure CONFIG registers (#pragma config) for the brown-out reset, watchdog timer and oscillator mode BEFORE the main code starts; missing CONFIG settings can lock the MCU on a bad oscillator at power-up. Estimated: a missing BOR setting can cause ~1 in 1000 boards to fail to start on slow-rising supplies.
When using the MSSP in I2C mode with bus speeds above 400 kHz, add 4.7 kohm pull-ups on SDA/SCL and keep total bus capacitance below 200 pF. For SPI peripherals running above 10 MHz, series-terminate SCK/MOSI with 33 ohm resistors near the source. The PIC18LF6627T-I/PT does not have internal pull-ups on every pin - check the pin map for RB0-RB5 which have weak pull-ups only.
Thông tin tuân thủ
RoHS compliant per Microchip product page; lead-free TQFP package. The LF variant is industrial-grade -40C to +85C; for AEC-Q100 qualified automotive use, choose PIC18F6627-I/PT or PIC18LF6627T-I/PTQ1.
