PIC18LF4510T-I/PT - 8-bit 40MHz 32KB Flash MCU | Microchip TQFP-44
MPN: PIC18LF4510T-I/PT ✓ نشطPIC18LF4510T-I/PT نظرة عامة
A PIC microcontroller is a compact, self-contained computer-on-a-chip built around a Harvard-architecture RISC core with on-board Flash, RAM, EEPROM, and a rich set of peripherals (ADC, timers, UART, I2C, SPI, PWM, etc.). Microcontrollers belong to the broader hierarchy: microcontroller -> embedded processor -> semiconductor -> integrated circuit. PIC18F devices sit in Microchip's high-performance 8-bit tier, above the baseline PIC10/12/16 families, and are widely used in cost-sensitive embedded designs where deterministic behavior, low power, and abundant peripheral integration are required.
Key features of the PIC18LF4510 include a 10-bit ADC with up to 13 input channels, two 8-bit timers plus three 16-bit timers, two analog comparators, one MSSP (SPI/I2C) and one enhanced USART, an 8/16-bit parallel slave port, and a 10-bit PWM module. The device includes 256 bytes of EEPROM for non-volatile data storage and supports In-Circuit Serial Programming (ICSP) plus In-Circuit Debug (ICD).
The PIC18F core delivers 16-bit wide instructions and an 8-bit data path with a hardware multiplier, providing ~10 MIPS peak throughput at 40 MHz. The 'LF' extended voltage range (2.0V-5.5V) enables battery-powered or energy-harvesting applications, while the wide operating temperature range of -40C to +85C suits industrial environments. Internal oscillator options and nanoWatt power management modes reduce quiescent current for sleep scenarios.
Typical applications for the PIC18LF4510T-I/PT include industrial control panels, HVAC sensor interfaces, low-power handheld instruments, automotive body modules, and consumer appliances. It is also well-suited to sensor nodes, motor control peripherals, and human-machine interface (HMI) boards where its 36 I/Os and 10-bit ADC cover most mid-complexity analog/digital needs without the cost of a 32-bit MCU.
When designing with this part, ensure decoupling capacitors are placed close to VDD/VSS pairs and that the ICSP/ICD pins are accessible on the PCB for firmware updates. The wide 2.0V-5.5V supply range allows direct connection to a single-cell Li-ion pack (with regulator) or a 3.3V regulated rail, simplifying power tree design.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone. As of 2026-09-28, the part is active in Microchip's product line and sourced through 9+ distributors per Octopart.
بدائل مباشرة لـ PIC18LF4510T-I/PT — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع PIC18LF4510T-I/PT (نفس عامل الشكل والبصمة) — يختلف في Package, Operating Temperature, Timers, Mounting Type, Core Architecture.
PIC18LF4510-I/PT
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
PIC18LF4510-I/P
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18LF4610-I/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18LF4515-I/PT
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
PIC18LF4410-I/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18LF4420-I/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC18LF4510T-I/PT الحدود القصوى والخصائص الكهربائية
| Core Architecture | PIC18 (8-bit RISC, Harvard) |
| Program Memory (Flash) | 32 KB (16K x 16) |
| Data RAM | 1.5 KB (1536 bytes) |
| Data EEPROM | 256 bytes |
| أقصى تردد للساعة | 40 MHz |
| Operating Voltage Range | 2.0 V to 5.5 V |
| Number of I/O Pins | 36 |
| ADC Resolution | 10-bit |
| Timers | 2 x 8-bit + 3 x 16-bit |
| Communication Interfaces | 1x MSSP (SPI/I2C), 1x EUSART |
| Analog Comparators | 2 |
| Parallel Slave Port | Yes (8/16-bit) |
| درجة حرارة التشغيل | -40C to +85C (Industrial) |
| العلبة | 44-pin TQFP (10x10 mm) |
| نوع التركيب | Surface Mount (Tape & Reel) |
| Programming/Debug | ICSP + ICD |
| حالة RoHS | Compliant |
تكوين أطراف PIC18LF4510T-I/PT
| دبوس 1 | OSC1/CLKI/RA7 — Crystal oscillator input / external clock input / digital I/O RA7 |
| دبوس 2 | OSC2/CLKO/RA6 — Crystal oscillator output / clock output / digital I/O RA6 |
| دبوس 3 | MCLR/VPP/RE3 — Master clear reset (active low) / programming voltage / digital input RE3 |
| دبوس 4 | RA0/AN0 — Digital I/O RA0 / analog input AN0 |
| دبوس 5 | RA1/AN1 — Digital I/O RA1 / analog input AN1 |
| دبوس 6 | RA2/AN2/VREF- — Digital I/O RA2 / analog input AN2 / ADC VREF- |
| دبوس 7 | RA3/AN3/VREF+ — Digital I/O RA3 / analog input AN3 / ADC VREF+ |
| دبوس 8 | RA4/T0CKI — Digital I/O RA4 / Timer0 clock input |
| دبوس 9 | RA5/AN4/SS — Digital I/O RA5 / analog input AN4 / SPI slave select |
| دبوس 10 | VSS — Ground reference |
| دبوس 11 | VDD — Positive supply (2.0V to 5.5V) |
| دبوس 12 | RB0/INT0/FLT0 — Digital I/O RB0 / external interrupt 0 / PWM fault input |
| دبوس 13 | RB1/INT1 — Digital I/O RB1 / external interrupt 1 |
| دبوس 14 | RB2/INT2 — Digital I/O RB2 / external interrupt 2 |
| دبوس 15 | RB3/INT3/CCP2A — Digital I/O RB3 / external interrupt 3 / CCP2 output A |
| دبوس 16 | RB4/KBI0 — Digital I/O RB4 / keyboard interrupt 0 |
| دبوس 17 | RB5/KBI1/PGM — Digital I/O RB5 / keyboard interrupt 1 / LVP programming |
| دبوس 18 | RB6/KBI2/PGC — Digital I/O RB6 / keyboard interrupt 2 / ICSP clock |
| دبوس 19 | RB7/KBI3/PGD — Digital I/O RB7 / keyboard interrupt 3 / ICSP data |
| دبوس 20 | VSS — Ground reference |
| دبوس 21 | VDD — Positive supply (2.0V to 5.5V) |
| دبوس 22 | RC0/T1OSO/T1CKI — Digital I/O RC0 / Timer1 oscillator output / Timer1 clock input |
| دبوس 23 | RC1/T1OSI/CCP2B — Digital I/O RC1 / Timer1 oscillator input / CCP2 output B |
| دبوس 24 | RC2/CCP1 — Digital I/O RC2 / CCP1 PWM output |
| دبوس 25 | RC3/SCK/SCL — Digital I/O RC3 / SPI clock / I2C clock |
| دبوس 26 | RC4/SDI/SDA — Digital I/O RC4 / SPI data in / I2C data |
| دبوس 27 | RC5/SDO — Digital I/O RC5 / SPI data out |
| دبوس 28 | RC6/TX/CK — Digital I/O RC6 / EUSART TX / EUSART clock |
| دبوس 29 | RC7/RX/DT — Digital I/O RC7 / EUSART RX / EUSART data |
| دبوس 30 | VSS — Ground reference |
| دبوس 31 | VDD — Positive supply (2.0V to 5.5V) |
| دبوس 32 | RD0/PSP0 — Digital I/O RD0 / parallel slave port data bit 0 |
| دبوس 33 | RD1/PSP1 — Digital I/O RD1 / parallel slave port data bit 1 |
| دبوس 34 | RD2/PSP2 — Digital I/O RD2 / parallel slave port data bit 2 |
| دبوس 35 | RD3/PSP3 — Digital I/O RD3 / parallel slave port data bit 3 |
| دبوس 36 | RD4/PSP4 — Digital I/O RD4 / parallel slave port data bit 4 |
| دبوس 37 | RD5/PSP5/P1B — Digital I/O RD5 / parallel slave port data bit 5 / PWM output 1B |
| دبوس 38 | RD6/PSP6/P1C — Digital I/O RD6 / parallel slave port data bit 6 / PWM output 1C |
| دبوس 39 | RD7/PSP7/P1D — Digital I/O RD7 / parallel slave port data bit 7 / PWM output 1D |
| دبوس 40 | VSS — Ground reference |
| دبوس 41 | VDD — Positive supply (2.0V to 5.5V) |
| دبوس 42 | RE0/RD/AN5 — Digital I/O RE0 / parallel slave port read / analog input AN5 |
| دبوس 43 | RE1/WR/AN6 — Digital I/O RE1 / parallel slave port write / analog input AN6 |
| دبوس 44 | RE2/CS/AN7 — Digital I/O RE2 / parallel slave port chip select / analog input AN7 |
التطبيقات النموذجية
PIC18LF4510T-I/PT مناسب لـ 6 التطبيقs: Industrial Control Panels, HVAC Sensor Interfaces, Low-Power Handheld Instruments, Automotive Body Modules, Consumer Appliance Controllers, Sensor Hubs and Data Loggers.
Industrial Control Panels
The PIC18LF4510T-I/PT fits industrial control panel applications because its 36 I/Os can drive multiple relays, keypads, and 7-segment displays while the 10-bit ADC handles analog sensor inputs. With 32 KB Flash and 1.5 KB RAM, it is suitable for ladder-logic replacements and small SCADA node firmware. The wide 2.0V-5.5V supply simplifies power-tree design when interfacing to 24 V industrial buses via a single regulator, and the -40C to +85C industrial temperature range ensures reliable operation in factory environments.
موصى به
HVAC Sensor Interfaces
For HVAC sensor interface boards, the PIC18LF4510T-I/PT provides multiple ADC channels for thermistors, pressure transducers, and humidity sensors. Its 16-bit timer can drive triac-based phase-angle control for AC loads, while the PWM module regulates DC fan speed. The 256-byte EEPROM stores calibration constants across power cycles. The wide operating voltage (2.0V-5.5V) supports both 24 VAC-derived DC rails and battery backup configurations.
موصى به
Low-Power Handheld Instruments
The PIC18LF4510T-I/PT is well-suited to low-power handheld instruments because its nanoWatt power-managed modes reduce quiescent current below 1 uA in sleep, and the 2.0V-5.5V LF voltage range enables direct operation from a single 3.7 V Li-ion cell. With 32 KB Flash, it can host measurement firmware, calibration tables, and a small graphics LCD driver. The 36 I/Os accommodate button matrices, rotary encoders, and segmented LCDs.
موصى به
Automotive Body Modules
For automotive body modules like seat controllers, mirror adjusters, and lighting drivers, the PIC18LF4510T-I/PT provides sufficient I/O for H-bridge drivers and switch matrixes. Its 40 MHz performance handles LIN-style software UART plus the dedicated EUSART, while PWM channels regulate motor current. For under-hood or AEC-Q100 qualified applications, the PIC18LF4610-I/PT is preferred for additional Flash headroom. Note: this part is industrial-grade (-40 to +85C), not AEC-Q100 qualified.
موصى به
Consumer Appliance Controllers
The PIC18LF4510T-I/PT fits consumer appliance controllers (small kitchen appliances, washing machine sub-modules, vacuum robot sensor hubs) due to its low BOM cost, integrated peripherals, and Flash firmware upgradeability via ICSP. The MSSP drives SPI displays or I2C sensor arrays, while the parallel slave port allows connection to a host SoC for richer appliances. The 32 KB Flash accommodates user-interface state machines and safety logic.
موصى به
Sensor Hubs and Data Loggers
For multi-sensor data loggers, the PIC18LF4510T-I/PT aggregates data from I2C/SPI sensors, runs basic filtering, and stores samples to external EEPROM via MSSP. The 10-bit ADC monitors battery voltage and analog sensors, while the EUSART streams logs to a host PC. With 1.5 KB RAM and 256-byte internal EEPROM, transient buffering is feasible; deep logs spill to an external 24LC256 EEPROM. The 40 MHz clock enables real-time sensor fusion at 100+ Hz.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ PIC18LF4510T-I/PT — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | PIC18LF4510-I/PT | PIC18LF4610-I/PT | PIC18LF4515-I/PT | |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | |
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same |
| Flash Memory | 32 KB | 32 KB | 48 KB (+50%) | 24 KB (-25%) | 16 KB (-50%) |
| Data RAM | 1.5 KB | 1.5 KB | 1.5 KB | 1.5 KB | 1.5 KB |
| Operating Voltage | 2.0 V to 5.5 V (LF) | 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 |
| Maximum Clock | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Number of I/Os | 36 | 36 | 36 | 36 | 36 |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
أبرز الفروقات
- Drop-in memory upgrade path within same package (مقابلPIC18LF4610-I/PT)
- Wide LF operating voltage range (مقابلPIC18F4510-I/PT)
- 36 I/Os with parallel slave port (مقابلPIC18LF4410-I/PT (same 44-TQFP))
ملاحظات التصميم
Decouple each VDD/VSS pair with a 100 nF ceramic capacitor placed within 3 mm of the MCU pins; add a bulk 10 uF tantalum or ceramic at the regulator output. The LF part tolerates 2.0V-5.5V so you can run from a single Li-ion cell + boost regulator or a 3.3V LDO. Avoid dV/dt transients above 50 V/us on VDD - these can trigger POR or BOR resets. For battery operation, use Sleep mode (Ipd < 1 uA) and wake via Watchdog Timer or external interrupt on RB0.
Estimated: The 44-TQFP has 0.8 mm pin pitch; route all signals on inner layers or use fine-pitch escape. Reserve a 6 mm x 6 mm copper pad directly under the package to act as thermal relief (theta_JA improves by ~15% with the pad). Keep crystal traces within 5 mm of OSC1/OSC2 with a guard ground around them. The ICSP pins (RB6/PGC, RB7/PGD) must be accessible via test pads or header for firmware updates during production.
Do not leave MCLR floating - tie to VDD via a 10 kohm resistor for normal operation, or direct to VDD if unused. The LF prefix means 2.0V minimum - going below this (e.g. 1.8V brownout) triggers BOR. When migrating from PIC18F4510 to PIC18LF4510, check that any 5V-only analog references are compatible - VREF+ can be up to VDD+0.3V only. Configuration words (CONFIG1H-4L) must be set correctly to enable the internal oscillator or fail-safe clock monitor.
The 10-bit ADC requires careful PCB layout to achieve datasheet accuracy. Use a ground plane under the MCU, keep analog traces short and away from switching signals, and place a 100 nF + 10 uF decoupling pair at AVDD/AVSS if the package variant exposes them. Sample-and-hold acquisition time must be configured per the ADC clock and source impedance - at 40 MHz ADC clock use a minimum of 1.2 us acquisition for sources under 10 kohm.
معلومات الامتثال
RoHS compliant per Microchip product page. Not AEC-Q100 qualified (industrial grade only, -40C to +85C). For automotive applications, choose AEC-Q100 qualified variants in the same family.