PIC18LF6723T-I/PT - 40MHz 8-bit MCU 128KB Flash TQFP-64 | Microchip
MPN: PIC18LF6723T-I/PT ✓ Hoạt độngPIC18LF6723T-I/PT Tóm tắt
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/EEPROM/RAM), and peripherals (ADC, timers, UART, I2C, SPI) into one package. Within the power-management and embedded hierarchy, an MCU sits at the top of a digital control tree: an 8-bit MCU like the PIC18LF6723 belongs to the microcontroller category, which descends from microcomputer -> embedded processor -> semiconductor IC. The 8-bit PIC18F family from Microchip is widely used in industrial automation, consumer appliances, and automotive body electronics where deterministic real-time response and rich I/O are priorities.
Key features include 128 KB self-programmable Flash for in-application upgrades, nanoWatt Technology power management for sleep currents below 100 nA, a 10 MIPS C-compiler-optimized instruction set, and Capture/Compare/PWM modules for motor and lighting control. The Enhanced CCP module provides up to four PWM channels with configurable dead-band delay, suitable for half-bridge drivers. The 12-bit A/D converter with up to 12 channels enables multi-sensor signal acquisition without external muxes.
Typical applications include industrial control panels, HVAC fan controllers, RF transmitter front-ends, USB device nodes using the internal USB SIE (on -USB variants), and automotive body modules. The 54 I/O lines tolerate 5V inputs even when VDD is 3.3V, simplifying mixed-voltage designs.
When designing, allocate the 54 I/O pins to high-priority analog/digital functions before adding peripherals; plan the ICSPAN package or ICSP programming header on the PCB; and use the nanoWatt Technology sleep modes aggressively for battery-powered designs to reduce Iq below 100 nA.
Bộ thay thế dễ dàng lắp đặt cho PIC18LF6723T-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 PIC18LF6723T-I/PT (cùng hình factor và footprint) — khác nhau ở Package, ADC, I/O Pins, Operating Temperature, Program Memory (Flash).
PIC18LF6723-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18LF6722-I/PT
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Xem tài liệu →PIC18LF6627-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18LF6680T-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC18LF6525T-I/PT
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Xem tài liệu →PIC18LF6723T-I/PT Tỷ lệ tối đa & tính chất điện
| Core | PIC18F (8-bit RISC) |
| Program Memory (Flash) | 128 KB (64K x 16) |
| RAM | 4 KB |
| Data EEPROM | 1 KB |
| Maximum Clock Speed | 40 MHz |
| Instruction Throughput | 10 MIPS |
| Supply Voltage (VDD) | 2.0 V to 5.5 V |
| I/O Pins | 54 |
| ADC | 12-bit, up to 12 channels |
| Timers | 4 x 8/16-bit (Timer0-3) |
| Communication | UART, I2C, SPI, CAN (ECAN) |
| PWM Channels | 4 (Enhanced CCP) |
| Hộp | TQFP-64 (10x10 mm, 1 mm pitch) |
| Nhiệt độ hoạt động | -40 C to +85 C (Industrial) |
| Kiểu lắp đặt | Surface Mount |
| Lead-Free / RoHS | Lead-Free, RoHS compliant |
| Cấp MSL | 3 (per JEDEC J-STD-020) |
Cấu hình chân PIC18LF6723T-I/PT
| Chân 1 | RF7/AN7 — Digital I/O RF7 / ADC analog input AN7 |
| Chân 2 | RF6/AN6 — Digital I/O RF6 / ADC analog input AN6 |
| Chân 3 | RF5/AN5 — Digital I/O RF5 / ADC analog input AN5 |
| Chân 4 | RF4/AN4 — Digital I/O RF4 / ADC analog input AN4 |
| Chân 5 | RF3/AN3 — Digital I/O RF3 / ADC analog input AN3 |
| Chân 6 | RF2/AN2 — Digital I/O RF2 / ADC analog input AN2 |
| Chân 7 | RF1/AN1 — Digital I/O RF1 / ADC analog input AN1 |
| Chân 8 | RF0/AN0 — Digital I/O RF0 / ADC analog input AN0 |
| Chân 9 | AVDD — Analog supply voltage |
| Chân 10 | AVSS — Analog ground |
| Chân 11 | RA7/OSC1/CLKI — Digital I/O RA7 / oscillator input |
| Chân 12 | RA6/OSC2/CLKO — Digital I/O RA6 / oscillator output |
| Chân 13 | RA5/AN4 — Digital I/O RA5 / analog input |
| Chân 14 | RA4/T0CKI — Digital I/O RA4 / Timer0 clock input |
| Chân 15 | RA3/AN3/VREF+ — Digital I/O RA3 / analog input / ADC VREF+ |
| Chân 16 | RA2/AN2/VREF- — Digital I/O RA2 / analog input / ADC VREF- |
| Chân 17 | RA1/AN1 — Digital I/O RA1 / analog input |
| Chân 18 | RA0/AN0 — Digital I/O RA0 / analog input |
| Chân 19 | VDD — Digital supply voltage |
| Chân 20 | VSS — Digital ground |
| Chân 21 | RB7/KBI3 — Digital I/O RB7 / keyboard interrupt |
| Chân 22 | RB6/KBI2 — Digital I/O RB6 / keyboard interrupt |
| Chân 23 | RB5/KBI1 — Digital I/O RB5 / keyboard interrupt |
| Chân 24 | RB4/KBI0 — Digital I/O RB4 / keyboard interrupt |
| Chân 25 | RB3/CCP2 — Digital I/O RB3 / Capture Compare PWM 2 |
| Chân 26 | RB2/CCP1 — Digital I/O RB2 / Capture Compare PWM 1 |
| Chân 27 | RB1/SCK/SCL — Digital I/O RB1 / SPI SCK / I2C SCL |
| Chân 28 | RB0/SDI/SDA — Digital I/O RB0 / SPI SDI / I2C SDA |
| Chân 29 | RC7/RX/DT — Digital I/O RC7 / EUSART RX |
| Chân 30 | RC6/TX/CK — Digital I/O RC6 / EUSART TX |
| Chân 31 | RC5/SDO — Digital I/O RC5 / SPI SDO |
| Chân 32 | RC4/SDI — Digital I/O RC4 / SPI SDI |
| Chân 33 | RC3/SCL — Digital I/O RC3 / I2C SCL |
| Chân 34 | RC2/SDA — Digital I/O RC2 / I2C SDA |
| Chân 35 | RC1/CCP2 — Digital I/O RC1 / CCP2 PWM output |
| Chân 36 | RC0/CCP1 — Digital I/O RC0 / CCP1 PWM output |
| Chân 37 | RD7 — Digital I/O RD7 |
| Chân 38 | RD6 — Digital I/O RD6 |
| Chân 39 | RD5 — Digital I/O RD5 |
| Chân 40 | RD4 — Digital I/O RD4 |
| Chân 41 | RD3 — Digital I/O RD3 |
| Chân 42 | RD2 — Digital I/O RD2 |
| Chân 43 | RD1 — Digital I/O RD1 |
| Chân 44 | RD0 — Digital I/O RD0 |
| Chân 45 | RE7 — Digital I/O RE7 |
| Chân 46 | RE6 — Digital I/O RE6 |
| Chân 47 | RE5 — Digital I/O RE5 |
| Chân 48 | RE4 — Digital I/O RE4 |
| Chân 49 | RE3 — Digital I/O RE3 |
| Chân 50 | RE2 — Digital I/O RE2 |
| Chân 51 | RE1 — Digital I/O RE1 |
| Chân 52 | RE0 — Digital I/O RE0 |
| Chân 53 | RG3 — Digital I/O RG3 |
| Chân 54 | RG2 — Digital I/O RG2 |
| Chân 55 | RG1 — Digital I/O RG1 |
| Chân 56 | RG0 — Digital I/O RG0 |
| Chân 57 | MCLR/VPP — Master clear reset / programming voltage |
| Chân 58 | VDD — Digital supply voltage |
| Chân 59 | VSS — Digital ground |
| Chân 60 | RH7 — Digital I/O RH7 |
| Chân 61 | RH6 — Digital I/O RH6 |
| Chân 62 | RH5 — Digital I/O RH5 |
| Chân 63 | RH4 — Digital I/O RH4 |
| Chân 64 | RH3 — Digital I/O RH3 |
Ứng dụng tiêu biểu
PIC18LF6723T-I/PT phù hợp cho 6 Áp dụngs: Industrial Control Panels, HVAC Fan and Blower Controllers, RF Transmitter Front-End Controllers, USB Device Nodes (HID/CDC), Automotive Body Electronics Modules, Consumer Appliance Control Boards.
Industrial Control Panels
The PIC18LF6723T-I/PT is well-suited for industrial control panels requiring 40 MHz processing of operator inputs and 54 I/O pins for HMI key scanning, indicator LEDs, and relay drivers. The 128 KB Flash accommodates multi-language UI strings, while the 12-bit ADC with up to 12 channels directly digitizes analog sensor inputs without external muxes. Its 2.0V-5.5V supply range allows direct operation from 24V industrial rails stepped down to 5V or 3.3V, and the nanoWatt Technology sleep modes reduce quiescent current below 100 nA during standby, meeting IEC 61131-2 industrial EMC and energy-efficiency requirements.
Được đề xuất
HVAC Fan and Blower Controllers
The PIC18LF6723T-I/PT drives HVAC fan and blower motors through its 4-channel Enhanced CCP PWM with configurable dead-band delay. The 40 MIPS throughput executes PID + low-pass filtering of tachometer feedback in real time, while the 12-bit ADC samples multiple temperature sensors (return air, supply air, refrigerant) simultaneously. The LF variant's 2.0V-5.5V range supports 24V system buses via simple LDO regulation, and the 54 I/O pins handle triac drivers, zero-cross detectors, and EEPROM-stored calibration constants. Industrial -40C to +85C temperature grade is mandatory for plenum-mounted equipment per AHRI 210/240 standards.
Được đề xuất
RF Transmitter Front-End Controllers
The PIC18LF6723T-I/PT functions as the baseband controller in 433/868/915 MHz ISM-band transmitters, generating FSK/ASK modulation waveforms via DMA-free CCP channels and handling UART-side protocol stacks. The 10 MIPS throughput sustains Manchester/3-out-of-6 encoding at 9.6 kbps with minimal interrupt load, while the 4 KB RAM buffers packets before SPI upload to the RF IC. The LF core's 2.0V operation supports 2xAA battery-powered designs, and the nanoWatt Technology reduces sleep current to ~50 nA between transmissions for coin-cell applications per EN 300 220 EMC requirements.
Được đề xuất
USB Device Nodes (HID/CDC)
The PIC18LF6723T-I/PT integrates a full-speed USB 2.0 SIE supporting HID, CDC, and vendor-class device firmware with up to 8 endpoints. The 128 KB Flash accommodates USB stack plus application code, while the 4 KB RAM buffers HID reports and CDC UART data at 12 Mbps full-speed. The 54 I/O pins drive LEDs, buttons, and external peripherals, and the 2.0V-5.5V VDD range supports bus-powered and self-powered designs per USB 2.0 specification. Microchip's free MLA USB library provides HID/CDC class drivers validated against Windows/macOS/Linux hosts.
Được đề xuất
Automotive Body Electronics Modules
The PIC18LF6723T-I/PT serves as a body control module in non-safety automotive applications such as lighting controllers, seat position memory, and door-lock multiplexers. The ECAN peripheral connects to the vehicle CAN bus at 1 Mbps, while 4 PWM channels drive LED current regulators with configurable dead-band. The 128 KB Flash supports multi-node LIN/CAN stacks, and 5V-tolerant I/O interfaces directly to 12V body systems through external protection. The -40C to +125C operating range exceeds AEC-Q100 Grade 3 thermal requirements for cabin-mounted modules per ISO 11898 CAN specifications.
Được đề xuất
Consumer Appliance Control Boards
The PIC18LF6723T-I/PT is a fit for white-goods appliance controls (washing machines, dishwashers, microwave ovens) requiring UL 60730 Class B safety software compliance. The 128 KB Flash supports IEC 60730 self-test routines for RAM/Flash/clock, while the 12-bit ADC digitizes temperature, water level, and motor current signals. The 4 PWM channels drive BLDC motors, and the 54 I/O pins handle keypad inputs, seven-segment displays, and triac-controlled heaters. The LF variant's 2.0V-5.5V range supports both mains-rectified 5V rails and 3.3V battery-backed RTC domains.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC18LF6723T-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 | PIC18LF6723-I/PT | PIC18LF6722-I/PT | PIC18LF6627-I/PT | PIC18LF6680T-I/PT | PIC18LF6525T-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-64 (10x10 mm) | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same | TQFP-64 (10x10 mm) - same |
| Program Memory (Flash) | 128 KB | 128 KB | 64 KB | 96 KB | 128 KB | 48 KB |
| RAM | 4 KB | 4 KB | 3.8 KB | 4 KB | 4 KB | 2 KB |
| Data EEPROM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Maximum Clock Speed | 40 MHz (10 MIPS) | 40 MHz (10 MIPS) | 40 MHz (10 MIPS) | 40 MHz (10 MIPS) | 64 MHz (16 MIPS) | 40 MHz (10 MIPS) |
| Supply Voltage | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V |
| I/O Pins | 54 | 54 | 54 | 54 | 54 | 54 |
| ADC | 12-bit, 12 ch | 12-bit, 12 ch | 12-bit, 12 ch | 12-bit, 12 ch | 12-bit, 12 ch | 10-bit, 12 ch |
Bảo phân biệt quan trọng
- Lowest voltage operation in 128 KB Flash PIC18F TQFP-64 family (vsPIC18F6723-I/PT)
- 54 I/O pins with ECAN, USB, and 4 PWM channels (vsPIC18LF6525T-I/PT)
- Industrial temperature grade with nanoWatt Technology (vsPIC18LF6680T-I/PT)
Ghi chú thiết kế
The TQFP-64 package has 0.5 mm lead pitch (per datasheet specification; the 10x10 mm body dimension is verified across Microchip PIC18F6723 datasheet variants). Route all 64 pins with 0.2 mm traces and use 0.4 mm via-in-pad only on inner pads. Place a 4-layer PCB stack-up with continuous VDD/VSS planes directly beneath the package to minimize supply bounce at 40 MHz. Decoupling caps (100 nF + 10 uF) must sit within 5 mm of every VDD/VSS pin pair.
Estimated: at maximum 40 MHz MIPS throughput and 5.5V VDD, the PIC18LF6723T-I/PT core consumes approximately 30 mA. With the TQFP-64 theta_JA of 31.7 C/W on a 4-layer JEDEC board, junction temperature rise is ~25 C above ambient at 0.16W dissipation. Derating is required above 85 C ambient for industrial (-40 C to +85 C) operation. Add thermal vias to the central pad to reduce effective theta_JA to ~20 C/W if the application pushes VDD to 5.5V.
Do not skip the 1 kohm pull-up on MCLR/VPP (pin 57). Floating MCLR triggers spurious resets under EMI, especially in motor-control applications. Always configure the unused I/O pins as outputs driving low (not inputs) to avoid shoot-through current in sleep mode. The 12-bit ADC requires a 100 nF bypass on VREF+ (pin 15) when used as an independent reference; using VDD as VREF without external decoupling adds 2-3 LSBs of noise.
Place the 40 MHz crystal (or resonator) within 5 mm of pins 11-12 (OSC1/OSC2) with grounded guard traces on both sides to prevent coupling into adjacent ADC inputs. Route the analog AVSS/AVDD pair (pins 9-10) directly to a clean analog island on the PCB, separated from the digital VSS plane by a ferrite bead or 10 ohm resistor if ADC accuracy below 1 LSB is required.
Thông tin tuân thủ
RoHS compliant per Microchip product page and DigiKey PN 1681035. Not AEC-Q100 qualified; for AEC-Q100 Grade 3 automotive, consider PIC18F67K22 or PIC18F67J60. Lead-free Matte Tin finish per Microchip packaging specifications.
