PIC18LF65K40-E/PT - 64MHz 8-bit XLP MCU, 32KB Flash | Microchip
MPN: PIC18LF65K40-E/PT ✓ AktifPIC18LF65K40-E/PT Ringkasan
An 8-bit microcontroller (MCU) is a single-chip computer based on an 8-bit data bus architecture, integrating a CPU, memory, and peripherals into one package. The PIC18LF family sits within Microchip's 8-bit PIC hierarchy: PIC18 -> PIC18F (Flash) / PIC18LF (low-voltage Flash) -> 8-bit PIC MCU -> Microcontroller -> Integrated Circuit. The 'LF' prefix denotes low-voltage operation (down to 1.8 V) suited for battery-powered and energy-harvesting applications, while XLP technology minimizes sleep current for ultra-low standby power.
Key features of the PIC18LF65K40 include Core Independent Peripherals (CWG, NCO, CLC) that offload tasks from the CPU, an IDLE/DOZE/PMD power management block, hardware CRC/SCAN for memory integrity, and Peripheral Pin Select (PPS) for flexible signal routing. The integrated ECAN module and dual EUSART enable robust wired communication for industrial networking, while the 5-bit DAC and zero-crossing detector (ZCD) simplify analog control loops without external components.
The architecture combines a RISC Harvard-bus CPU with hardware multiply and a 31-level interrupt vector table, giving deterministic real-time response. The 64-pin TQFP package offers ample I/O (up to 60 GPIO) while keeping the board footprint compact at 10x10 mm with 0.5 mm pitch. ECC Flash and RAM support data retention and resilience against soft errors for industrial control, sensor hubs, and HMI applications.
Typical applications include industrial control and automation, automotive body and sensor nodes, low-power IoT sensor nodes, HMI/keypad controllers, and consumer electronics with touch/proximity sensing. The wide 1.8 V-5.5 V supply allows direct Li-ion battery operation without external regulation, while 5 V tolerance on digital I/O simplifies interfacing to legacy 5 V logic.
When designing with this MCU, plan for an external decoupling network of 100 nF and 10 uF near VDD pins, route the analog AVSS/AVDD pair separately from digital supplies, and use the PPS feature to remap peripheral pins without re-spinning the PCB. Choose PIC18F65K40 (non-LF) only if you do not need 1.8 V operation, otherwise the LF variant preserves battery life and BOM cost in low-voltage designs.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternatif penggantian untuk PIC18LF65K40-E/PT — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian PIC18LF65K40-E/PT (sama faktor bentuk dan footprint) — berbeda di dalam ADC, Family, Package, Core, I/O Pins.
PIC18LF66K40-E/PT
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC18LF67K40-E/PT
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
PIC18LF65K40-I/PT
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
PIC18F65K40-E/PT
✅ Drop-In📋 Alternatif referensi (tidak dalam katalog)
PIC18LF65K40-E/MR
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC18LF65K40-E/PT Rating Maksimal & Karakteristik Listrik
| Product Type | 8-bit Microcontroller (MCU) |
| Family | PIC18LF65K40 / PIC18LF66K40 |
| Core | PIC RISC 8-bit |
| Program Memory (Flash) | 32 KB (16K x 16) |
| RAM | 2 KB |
| EEPROM | 256 B |
| Maximum CPU Frequency | 64 MHz |
| Operating Voltage Range | 1.8 V to 5.5 V |
| I/O Pins | Up to 60 |
| ADC | 10-bit ADC2 (with Computation) |
| DAC | 5-bit DAC |
| Comparators | Yes |
| PWM / CCP / CWG | Yes (PWM, CCP, CWG peripherals) |
| Timers | Integrated Timers and Capture/Compare/PWM |
| Communication | ECAN, EUSART, SPI, I2C |
| Special Peripherals | ZCD, PPS, WWDT, SCAN/CRC, HLT, IDLE/DOZE/PMD |
| Paket | 64-pin TQFP (PT), 10x10 mm, 0.5 mm pitch |
| Tipe Mounting | Surface Mount |
| Suhu Kerja | -40 C to +125 C (E = extended) |
| Status RoHS | Compliant |
Konfigurasi Pin PIC18LF65K40-E/PT
| Pin produk 1 | MCLR — Master Clear (Reset) input, active-low |
| Pin produk 2 | RA0 — PORTA0 / analog input |
| Pin produk 3 | RA1 — PORTA1 / analog input |
| Pin produk 4 | RA2 — PORTA2 / analog input |
| Pin produk 5 | RA3 — PORTA3 / analog input |
| Pin produk 6 | RA4 — PORTA4 / analog input |
| Pin produk 7 | RA5 — PORTA5 / analog input |
| Pin produk 8 | RA6 — PORTA6 / analog input |
| Pin produk 9 | RA7 — PORTA7 / analog input |
| Pin produk 10 | VSS — Ground |
| Pin produk 11 | VDD — Positive supply |
| Pin produk 12 | RB0 — PORTB0 / IOC |
| Pin produk 13 | RB1 — PORTB1 / IOC |
| Pin produk 14 | RB2 — PORTB2 / IOC |
| Pin produk 15 | RB3 — PORTB3 / IOC |
| Pin produk 16 | RB4 — PORTB4 / IOC |
| Pin produk 17 | RB5 — PORTB5 / IOC / PWM |
| Pin produk 18 | RB6 — PORTB6 / IOC / PGC |
| Pin produk 19 | RB7 — PORTB7 / IOC / PGD |
| Pin produk 20 | VSS — Ground |
| Pin produk 21 | VDD — Positive supply |
| Pin produk 22 | RC0 — PORTC0 |
| Pin produk 23 | RC1 — PORTC1 |
| Pin produk 24 | RC2 — PORTC2 |
| Pin produk 25 | RC3 — PORTC3 |
| Pin produk 26 | RC4 — PORTC4 |
| Pin produk 27 | RC5 — PORTC5 |
| Pin produk 28 | RC6 — PORTC6 / TX |
| Pin produk 29 | RC7 — PORTC7 / RX |
| Pin produk 30 | VSS — Ground |
| Pin produk 31 | VDD — Positive supply |
| Pin produk 32 | RD0 — PORTD0 |
| Pin produk 33 | RD1 — PORTD1 |
| Pin produk 34 | RD2 — PORTD2 |
| Pin produk 35 | RD3 — PORTD3 |
| Pin produk 36 | RD4 — PORTD4 |
| Pin produk 37 | RD5 — PORTD5 / PWM |
| Pin produk 38 | RD6 — PORTD6 / PWM |
| Pin produk 39 | RD7 — PORTD7 / PWM |
| Pin produk 40 | VSS — Ground |
| Pin produk 41 | VDD — Positive supply |
| Pin produk 42 | RE0 — PORTE0 / analog |
| Pin produk 43 | RE1 — PORTE1 / analog |
| Pin produk 44 | RE2 — PORTE2 / analog |
| Pin produk 45 | RE3 — PORTE3 / analog |
| Pin produk 46 | AVSS — Analog ground |
| Pin produk 47 | AVDD — Analog positive supply |
| Pin produk 48 | OSC1 — Crystal/oscillator input |
| Pin produk 49 | OSC2 — Crystal/oscillator output |
| Pin produk 50 | RF0 — PORTF0 |
| Pin produk 51 | RF1 — PORTF1 |
| Pin produk 52 | RF2 — PORTF2 |
| Pin produk 53 | RF3 — PORTF3 |
| Pin produk 54 | RF4 — PORTF4 |
| Pin produk 55 | RF5 — PORTF5 |
| Pin produk 56 | RF6 — PORTF6 |
| Pin produk 57 | RF7 — PORTF7 |
| Pin produk 58 | RG0 — PORTG0 |
| Pin produk 59 | RG1 — PORTG1 |
| Pin produk 60 | RG2 — PORTG2 |
| Pin produk 61 | RG3 — PORTG3 |
| Pin produk 62 | RG4 — PORTG4 |
| Pin produk 63 | VSS — Ground |
| Pin produk 64 | VDD — Positive supply |
Aplikasi Umum
PIC18LF65K40-E/PT cocok untuk 6 aplikasis: Industrial Sensor Node / 4-20 mA Transmitter, Automotive Body Control Module, Low-Power IoT / Battery Sensor Hub, HMI / Keypad / Small Touch Controller, Consumer Appliance Control Board, Portable / Wearable Medical Devices.
Industrial Sensor Node / 4-20 mA Transmitter
The PIC18LF65K40-E/PT's 1.8 V-5.5 V supply range, XLP sleep current under 1 uA, and integrated 10-bit ADC2 with Computation enable direct battery-powered sensor conditioning for industrial 4-20 mA transmitters and process-control nodes. The ECAN module supports DeviceNet and CANopen protocols commonly used in factory automation, while the dual EUSART and SPI/I2C ports interface to digital sensors and HMI displays. At full 64 MHz the 16 MIPS throughput handles filtering, linearization, and HART-style modulation on-chip. PPS remaps peripheral pins without board rework.
Direkomendasikan
Automotive Body Control Module
The PIC18LF65K40-E/PT's integrated ECAN and wide 1.8 V-5.5 V supply tolerance with -40 C to +125 C extended temperature grade make it suitable for automotive body and convenience modules (window lifters, mirror controllers, HVAC flap actuators). The PIC18LF65K40 family supports CAN 2.0B active, removing the need for a separate CAN controller IC. The 5-bit DAC drives analog actuator setpoints, while PWM/CWG generates motor control signals. PPS and Core Independent Peripherals offload timing-critical tasks from the CPU, freeing MIPS for diagnostics and OBD-II signaling.
Direkomendasikan
Low-Power IoT / Battery Sensor Hub
XLP technology and 1.8 V minimum supply give the PIC18LF65K40-E/PT ultra-low sleep current (under 1 uA typical), enabling years of operation from a single CR2032 coin cell or two AA alkaline cells. The MCU wakes on ADC2 threshold triggers, ZCD events, or interrupt-on-change pins, samples sensors via SPI/I2C, transmits over EUSART or ECAN, and returns to sleep without CPU intervention. Hardware CRC/SCAN protects Flash integrity while in the field. ZCD enables zero-crossing power metering for AC mains-powered IoT energy monitors with no external detection circuitry.
Direkomendasikan
HMI / Keypad / Small Touch Controller
With up to 60 GPIO and Peripheral Pin Select, the PIC18LF65K40-E/PT can directly scan 8x8 matrix keypads, drive character or graphic LCDs, and read capacitive-touch sensors via the integrated comparators and PWM/CWG. The 5-bit DAC generates contrast voltages for legacy LCDs without a charge pump. ADC2 with Computation scans multiple touch pads in software while the CWG outputs the excitation waveform, eliminating dedicated touch ICs. PPS remaps touch channels to spare pins for layout flexibility in space-constrained HMI front panels.
Direkomendasikan
Consumer Appliance Control Board
White goods and small appliances benefit from the PIC18LF65K40-E/PT's integrated motor-control peripherals (PWM/CCP/CWG), ZCD for AC zero-crossing detection, and 5-bit DAC for analog trim. The 64-pin TQFP exposes enough GPIO to drive triac-based heater control, relays, and user displays while the ECAN interface supports appliance network buses. XLP enables standby power below 100 mW to meet global energy regulations, and the extended -40 C to +125 C temperature grade handles the thermal environment behind a refrigerator compressor or oven fascia.
Direkomendasikan
Portable / Wearable Medical Devices
For portable medical peripherals (pulse-oximeter probes, handheld spirometers, blood-pressure monitors) the PIC18LF65K40-E/PT's 1.8 V operation, XLP sleep, and integrated ADC2/DAC/Comparators minimize external components and battery count. The ECAN or EUSART link to a host controller while the SPI/I2C ports read sensor front-ends. Hardware CRC and SCAN protect Flash against soft errors in long-term deployments. The wide 1.8 V-5.5 V supply lets designers reuse a single-cell Li-ion or two AAA cells without a boost converter, shrinking the bill of materials.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk PIC18LF65K40-E/PT — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | PIC18LF66K40-E/PT | PIC18LF67K40-E/PT | PIC18LF65K40-I/PT | PIC18F65K40-E/PT | PIC18LF65K40-E/MR |
|---|---|---|---|---|---|---|
| Package | 64-pin TQFP (PT), 10x10 mm | 64-pin TQFP (PT), 10x10 mm - same | 64-pin TQFP (PT), 10x10 mm - same | 64-pin TQFP (PT), 10x10 mm - same | 64-pin TQFP (PT), 10x10 mm - same | 64-pin TQFP (PT), 10x10 mm - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32 KB | 64 KB | 128 KB | 32 KB | 32 KB | 32 KB |
| RAM | 2 KB | 4 KB | 8 KB | 2 KB | 2 KB | 2 KB |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B |
| Operating Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 2.3 V to 5.5 V | 1.8 V to 5.5 V |
| Operating Temperature | -40 C to +125 C (E = extended) | -40 C to +125 C | -40 C to +125 C | -40 C to +85 C (industrial) | -40 C to +125 C | -40 C to +125 C |
| Max CPU Frequency | 64 MHz (16 MIPS) | 64 MHz (16 MIPS) | 64 MHz (16 MIPS) | 64 MHz (16 MIPS) | 64 MHz (16 MIPS) | 64 MHz (16 MIPS) |
Diferensiator Kunci
- Lowest-Voltage Operation in the Family (vsPIC18F65K40-E/PT)
- Extended Temperature Grade (-40C to +125C) (vsPIC18LF65K40-I/PT)
- Same 64-pin TQFP Pinout Across the Family (vsPIC18LF66K40-E/PT)
Catatan Desain
Place 100 nF ceramic decoupling capacitors within 3 mm of every VDD pin and a single 10 uF bulk capacitor on the supply rail. For PIC18LF65K40-E/PT designs that use ADC2, add a separate 100 nF + 10 uF pair on AVDD to keep analog and digital noise isolated. The wide 1.8 V-5.5 V input range means you can power the part directly from a single-cell Li-ion battery (3.0 V-4.2 V) or two AA cells without an LDO, saving BOM cost in low-power designs.
Route the MCLR pin to a dedicated reset button with a 10 kohm pull-up to VDD; adding a 100 nF capacitor from MCLR to VSS provides noise immunity in noisy industrial environments. For in-circuit serial programming (ICSP), dedicate pins RB6 (PGC) and RB7 (PGD) - do not share them with high-impedance analog signals that could disturb programming. The 64-pin TQFP (PT) at 0.5 mm pitch requires fine-pitch PCB layout: use 0.2 mm traces between pads and 0.5 mm via-in-pad for reliable manufacturing.
Do not assume the PIC18F65K40 and PIC18LF65K40 are interchangeable - the F variant requires VIN >= 2.3 V and will brown-out below that, while the LF variant operates to 1.8 V. Estimated: at 3.3 V supply with 64 MHz CPU, core current is around 10 mA but XLP sleep drops to under 1 uA; verify that peripheral pins are configured as digital (ANSELx cleared) before using them as GPIO, otherwise the input buffer is disabled. Use the PPS Unlock sequence before remapping peripheral outputs to avoid an inadvertent lock condition.
Informasi Konformitas
RoHS compliant per Microchip product page. Lead-free matte-tin finish. AEC-Q100 not qualified (this is a general-purpose MCU; automotive customers should evaluate the Automotive Portfolio for Q-graded variants).
