PIC18LF6527T-I/PT - 48KB Flash 8-bit MCU with ECAN | Microchip
MPN: PIC18LF6527T-I/PT ✓ Hoạt độngPIC18LF6527T-I/PT Tóm tắt
An 8-bit microcontroller is a single-chip computer built around an 8-bit data path, integrating CPU core, program memory (Flash/ROM), data memory (RAM), non-volatile EEPROM, timers, communications peripherals, ADC, and general-purpose I/O onto one silicon die. The PIC18 family belongs to the larger taxonomy: 8-bit MCU -> microcontroller -> embedded processor -> semiconductor IC. Within this hierarchy the LF sub-family targets low-voltage (2.0V-5.5V) battery-powered designs where nanoWatt sleep modes and active current management are critical.
Key features of the PIC18LF6527 include 48KB (24K x 16) of self-programmable Flash, 4KB RAM, 1KB EEPROM, 70 digital I/O pins, a 12-channel 10-bit ADC with auto-acquisition, two ECAN modules, two MSSP (I2C/SPI) ports, two USART (LIN-capable) ports, nine programmable timers, dual analog comparators, a CTMU for capacitive touch or mTouch sensing, and nanoWatt power management that drops current draw to the nanoamp range in sleep.
Architecture-wise the device uses a 16-bit wide instruction word fetched from Flash while data SRAM is byte-addressable, and the PIC18LF6527 is pin-compatible with the PIC18F6527 F-version (3.0V-5.5V) as well as the broader PIC18LF65xx/66xx family, enabling firmware and PCB reuse across voltage profiles. Hardware multiplier and multiple interrupt sources support DSP-style math and real-time control loops.
Typical applications include industrial instrumentation panels, TCP/IP-enabled embedded sensor nodes, HVAC and building automation, automotive LIN/CAN nodes, battery-powered metering, capacitive touch human-machine interfaces, and large low-power connectivity designs that benefit from the four serial ports (2x synchronous, 2x asynchronous).
When designing with this part, populate the CONFIG fuse register correctly for oscillator mode, watchdog, brown-out and code protection before code execution; confirm the TQFP-64 land pattern allows proper thermal relief, and confirm the 64-pin pinout matches the rest of the 65xx/66xx pin-compatible variants if you plan to migrate between F (5V) and LF (low-voltage) versions. This page synthesizes distributor pricing, drop-in PIC18 family alternatives, and practical design notes that complement the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho PIC18LF6527T-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 PIC18LF6527T-I/PT (cùng hình factor và footprint) — khác nhau ở Package, Timers, I/O Pins, ADC, Core Architecture.
PIC18F6527T-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18LF6627T-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18F6627T-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18LF6527-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC18LF4685-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18LF6525T-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18LF6527T-I/PT Tỷ lệ tối đa & tính chất điện
| Architecture | PIC18 8-bit RISC, 16-bit instruction word |
| Program Flash | 48 KB (24K x 16) |
| Data RAM | 4 KB |
| Data EEPROM | 1 KB |
| Operating Frequency | 40 MHz (10 MIPS) |
| Supply Voltage Range | 2.0 V to 5.5 V |
| Digital I/O Pins | 70 (with analog/digital remap) |
| ADC | 12 channels, 10-bit |
| ECAN Modules | 2 |
| MSSP (I2C/SPI) Modules | 2 |
| USART (LIN-capable) | 2 |
| Timers | 9 (8/16-bit mix) |
| Analog Comparators | 2 |
| CTMU | Yes (mTouch / capacitive touch) |
| Low-Power Technology | nanoWatt (eXtreme Low Power) |
| Nhiệt độ hoạt động | -40 C to +85 C (Industrial) |
| Hộp | TQFP-64 (PT) 10x10 mm, tape & reel |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC18LF6527T-I/PT
| Chân 1 | RH0/AN23 — Port H bit 0 / analog input 23 |
| Chân 2 | RH1/AN24 — Port H bit 1 / analog input 24 |
| Chân 3 | RH2/AN25 — Port H bit 2 / analog input 25 |
| Chân 4 | RH3/AN26 — Port H bit 3 / analog input 26 |
| Chân 5 | RH4/AN27 — Port H bit 4 / analog input 27 |
| Chân 6 | RH5/AN28 — Port H bit 5 / analog input 28 |
| Chân 7 | RH6/AN29 — Port H bit 6 / analog input 29 |
| Chân 8 | RH7/AN30 — Port H bit 7 / analog input 30 |
| Chân 9 | VSS — Ground |
| Chân 10 | VDD — Positive supply (2.0-5.5 V) |
| Chân 11 | OSC1/CLKI/RA7 — Crystal input / external clock / Port A bit 7 |
| Chân 12 | OSC2/CLKO/RA6 — Crystal output / clock out / Port A bit 6 |
| Chân 13 | RA0/AN0 — Port A bit 0 / analog input 0 |
| Chân 14 | RA1/AN1 — Port A bit 1 / analog input 1 |
| Chân 15 | RA2/AN2/VREF- — Port A bit 2 / analog input 2 / ADC VREF- |
| Chân 16 | RA3/AN3/VREF+ — Port A bit 3 / analog input 3 / ADC VREF+ |
| Chân 17 | RA4/T0CKI — Port A bit 4 / Timer0 clock input |
| Chân 18 | RA5/AN4 — Port A bit 5 / analog input 4 |
| Chân 19 | AVSS — Analog ground |
| Chân 20 | AVDD — Analog positive supply |
| Chân 21 | RB0/INT0 — Port B bit 0 / external interrupt 0 |
| Chân 22 | RB1/INT1 — Port B bit 1 / external interrupt 1 |
| Chân 23 | RB2/INT2 — Port B bit 2 / external interrupt 2 |
| Chân 24 | RB3/INT3 — Port B bit 3 / external interrupt 3 |
| Chân 25 | RB4 — Port B bit 4 |
| Chân 26 | RB5 — Port B bit 5 |
| Chân 27 | RB6/PGC — Port B bit 6 / ICSP clock |
| Chân 28 | RB7/PGD — Port B bit 7 / ICSP data |
| Chân 29 | RC0/T1OSO/T13CKI — Port C bit 0 / Timer1 osc out / Timer1/Timer3 clock |
| Chân 30 | RC1/T1OSI — Port C bit 1 / Timer1 osc in |
| Chân 31 | RC2/CCP1 — Port C bit 2 / Capture/Compare/PWM 1 |
| Chân 32 | RC3/CCP2 — Port C bit 3 / Capture/Compare/PWM 2 |
| Chân 33 | RC4 — Port C bit 4 |
| Chân 34 | RC5 — Port C bit 5 |
| Chân 35 | RC6/TX1/CK1 — Port C bit 6 / USART1 TX / USART1 clock |
| Chân 36 | RC7/RX1/DT1 — Port C bit 7 / USART1 RX / USART1 data |
| Chân 37 | RE0/RD — Port E bit 0 / parallel port read |
| Chân 38 | RE1/WR — Port E bit 1 / parallel port write |
| Chân 39 | RE2/CS — Port E bit 2 / parallel port chip select |
| Chân 40 | VDD — Positive supply (2.0-5.5 V) |
| Chân 41 | VSS — Ground |
| Chân 42 | RD0/PSP0 — Port D bit 0 / parallel slave port data 0 |
| Chân 43 | RD1/PSP1 — Port D bit 1 / parallel slave port data 1 |
| Chân 44 | RD2/PSP2 — Port D bit 2 / parallel slave port data 2 |
| Chân 45 | RD3/PSP3 — Port D bit 3 / parallel slave port data 3 |
| Chân 46 | RD4/PSP4 — Port D bit 4 / parallel slave port data 4 |
| Chân 47 | RD5/PSP5 — Port D bit 5 / parallel slave port data 5 |
| Chân 48 | RD6/PSP6 — Port D bit 6 / parallel slave port data 6 |
| Chân 49 | RD7/PSP7 — Port D bit 7 / parallel slave port data 7 |
| Chân 50 | C1IN-/RF0 — Comparator 1 inverting input / Port F bit 0 |
| Chân 51 | C1IN+/AN12/RF1 — Comparator 1 non-inverting input / analog input 12 / Port F bit 1 |
| Chân 52 | C2IN-/AN13/RF2 — Comparator 2 inverting input / analog input 13 / Port F bit 2 |
| Chân 53 | C2IN+/AN14/RF3 — Comparator 2 non-inverting input / analog input 14 / Port F bit 3 |
| Chân 54 | C1OUT/RF4 — Comparator 1 output / Port F bit 4 |
| Chân 55 | C2OUT/RF5 — Comparator 2 output / Port F bit 5 |
| Chân 56 | RF6 — Port F bit 6 |
| Chân 57 | RF7 — Port F bit 7 |
| Chân 58 | RG0/ECCP3 — Port G bit 0 / Enhanced CCP3 |
| Chân 59 | RG1/TX2/CK2 — Port G bit 1 / USART2 TX / USART2 clock |
| Chân 60 | RG2/RX2/DT2 — Port G bit 2 / USART2 RX / USART2 data |
| Chân 61 | RG3/CCP4 — Port G bit 3 / CCP4 |
| Chân 62 | RG4/CCP5 — Port G bit 4 / CCP5 |
| Chân 63 | RG5 — Port G bit 5 |
| Chân 64 | MCLR/VPP/RG6 — Master clear / programming voltage / Port G bit 6 |
Ứng dụng tiêu biểu
PIC18LF6527T-I/PT phù hợp cho 6 Áp dụngs: Industrial Instrumentation Panels, TCP/IP-Enabled Embedded Sensor Nodes, HVAC and Building Automation, Automotive LIN and CAN Nodes, Battery-Powered Metering and Data Loggers, Capacitive Touch HMI (mTouch).
Industrial Instrumentation Panels
The PIC18LF6527T-I/PT is well suited to multi-channel industrial instrumentation panels because its 12-channel 10-bit ADC plus dual ECAN ports let a single part digitize and network sensor signals. Its 70 I/O pins drive multiple 7-segment or LCD sub-displays, and the 48 KB Flash stores full menu UI plus calibration tables. nanoWatt sleep is critical when the panel runs from a back-up battery during line power loss.
Được đề xuất
TCP/IP-Enabled Embedded Sensor Nodes
For Ethernet-attached sensor nodes, the PIC18LF6527T-I/PT supplies enough Flash (48 KB) to run a Microchip TCP/IP stack plus application logic and 4 KB RAM to buffer packets. Its nanoWatt sleep lets battery or solar nodes idle at microamps between measurements. The two MSSP (I2C/SPI) ports talk to sensors or external radios while the two USARTs handle LIN/RS-485 or debug links.
Được đề xuất
HVAC and Building Automation
Building automation controllers benefit from the PIC18LF6527T-I/PT's mix of dual ECAN for BACnet/MS/TP-style networking, 12-bit ADC for analog temperature/pressure sensors, and 9 timers for PWM valve and damper control. The 4 KB RAM comfortably holds scheduling tables and the 48 KB Flash stores the full HVAC state machine. nanoWatt idle extends the lifetime of wireless thermostats running from coin cells.
Được đề xuất
Automotive LIN and CAN Nodes
The PIC18LF6527T-I/PT's dual ECAN and LIN-capable USARTs make it a strong choice for body and chassis LIN/CAN sub-modules. With 70 I/O pins it can drive multiple sensors and indicator LEDs in a single node, and the -40 to +85 C industrial range covers cabin environments. nanoWatt sleep lets the device drop below 100 nA in parked vehicles, preserving battery life over weeks of idle.
Được đề xuất
Battery-Powered Metering and Data Loggers
Battery-powered metering relies on the PIC18LF6527T-I/PT's 2.0-5.5 V operation so a single 3.6 V Li-SOCl2 cell can power the system without a boost converter. The 1 KB EEPROM stores calibration constants and tamper-resistant logs without burning Flash cycles. Deep sleep at nanoamp currents lets the meter last 10+ years on its primary cell while waking periodically to log readings.
Được đề xuất
Capacitive Touch HMI (mTouch)
The PIC18LF6527T-I/PT integrates the CTMU peripheral that drives Microchip's mTouch capacitive-touch sensing firmware, enabling 4-12 button sliders or wheels without external touch ICs. Combined with 48 KB Flash for graphics plus the LCD driver option on the LF family, the part replaces dedicated touch controllers in cost-sensitive appliances. CTMU measurements can be sampled between ADC conversions on the same pins.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18LF6527T-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 | PIC18F6527T-I/PT | PIC18LF6627T-I/PT | PIC18F6627T-I/PT | PIC18LF6527-I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| 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 |
| Program Flash | 48 KB | 48 KB | 96 KB | 96 KB | 48 KB |
| Data RAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| Supply Voltage | 2.0 V to 5.5 V (LF) | 3.0 V to 5.5 V (F) | 2.0 V to 5.5 V (LF) | 3.0 V to 5.5 V (F) | 2.0 V to 5.5 V (LF) |
| ECAN Modules | 2 | 2 | 2 | 2 | 2 |
| Maximum Frequency | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Shipping Medium | Tape & Reel | Tape & Reel | Tape & Reel | Tape & Reel | Tray |
Bảo phân biệt quan trọng
- Dual ECAN plus LIN-capable USARTs in one PIC18 die (vsPIC18LF4685-I/PT)
- nanoWatt low-voltage operation down to 2.0 V (vsPIC18F6527T-I/PT)
- TQFP-64 pin compatibility with the broader PIC18F65xx/66xx family (vsPIC18LF55K42 family (TQFP-64 K42 parts))
Ghi chú thiết kế
Estimated: at 40 MHz, 3.3 V supply, full peripheral active, the PIC18LF6527T-I/PT draws roughly 10-15 mA; nanoWatt sleep drops to sub-microamp. Decouple VDD/AVDD with 100 nF ceramic within 5 mm of each pin pair plus a bulk 10 uF tantalum to handle ECAN inrush. Connect both VSS pins and both VDD pins on the TQFP-64 even if the firmware uses only one - leaving one floating violates the datasheet thermal/electrical section.
TQFP-64 with 0.5 mm pitch requires 0.2 mm trace/space, ENIG or immersion-tin finish, and a TQFP land per IPC-7351. Keep the ICSP PGC/PGD traces under 50 mm and add 4.7 kohm pull-up on MCLR. Place a 100 nF directly between MCLR/VPP and the adjacent VSS pin to filter programming-voltage noise. The TQFP exposed-pad variant is not used on this die; thermal relief relies on inner VSS/VDD copper pours.
Do not populate CONFIG fuses late - an unconfigured PIC18LF6527T-I/PT ships with the internal RC oscillator and no watchdog override; the application can hang on first power-up if the oscillator is wrong. Always set CONFIG1H for oscillator mode, CONFIG2L for brown-out voltage (use 2.85 V or 4.2 V depending on rail), CONFIG2H for watchdog (enable in software, not hardware). Failure to set the JTAG/debug CONFIG bits disables ICSP, bricking the part in-circuit.
Thông tin tuân thủ
RoHS compliant per Microchip product page; industrial -40C to +85C grade (no AEC-Q100). Use PIC18F/LF65K80 family for AEC-Q100 automotive applications.
