PIC18LF56K42T-I/MV - 8-Bit 64MHz 64KB Flash XLP MCU | Microchip
N.º da peça: PIC18LF56K42T-I/MV ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $2.28 | $2,28 |
| 10 | $2.15 | $21,50 |
| 100 | $1.95 | $195,00 |
| 500 | $1.78 | $890,00 |
| 1.000 | $1.62 | $1.620,00 |
PIC18LF56K42T-I/MV Visão geral
What is a microcontroller? A microcontroller (MCU) is a single-chip computer integrating CPU, non-volatile program memory (Flash), volatile data memory (RAM), EEPROM, and a rich set of peripherals (ADC, timers, communication ports). Within Microchip's taxonomy, this part belongs to PIC18F/LF XLP 18K family -> 8-bit PIC MCU -> PIC microcontroller -> microcontroller -> embedded semiconductor. The XLP (eXtreme Low Power) designation targets battery-powered and energy-harvesting designs where nanoWatt sleep currents and fast wake-up times are critical.
Key features include 44 user I/O pins, 12-bit ADC2 with computation, two 8-bit DACs, three comparators with 5-bit DAC references, 8-bit DMA controller, vectored interrupts with peripheral interrupt controllers, configurable logic cells (CLC), Complementary Waveform Generator (CWG), multiple PWM/SCCP/MCCP channels, and rich serial peripherals (UART, SPI, I2C). The 64 MHz internal oscillator and 4x PLL deliver 16 MIPS instruction throughput while the XLP sleep mode can drop quiescent current below 100 nA.
The K42 architecture adds hardware-accelerated math (8x8 hardware multiplier, single-cycle 16-bit math), zero-cross detection for triac control, and Direct Memory Access that lets peripherals move data without CPU intervention - reducing active-mode time and overall system power.
Typical applications include IoT sensor nodes, home appliances (washing machine, induction cooktop, white goods UI), portable medical devices, BLDC motor control, LED lighting controllers, and battery-powered instrumentation. Designers favor the LF variant when the supply rail is 2x AA/AAA or a Li-ion cell under boost regulation.
When designing with this MCU, allocate one decoupling 100 nF cap per VDD pin and a 1 uF bulk cap near the exposed pad; route AVSS/AVDD separately for clean ADC reference. Use the DMA for periodic sensor reads so the core can stay in sleep - that is where XLP delivers its largest energy savings.
Alternativas drop-in para PIC18LF56K42T-I/MV — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com PIC18LF56K42T-I/MV (mesmo formato e footprint) — diferindo em Package, Program Memory (Flash), ADC, DMA Channels, Family.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC18F56K42T-I/MV
✅ Drop-In✓ Em estoque
$1.95 / unidade
Ver ficha técnica →PIC18LF55K42T-I/MV
✅ Drop-In✓ Em estoque
$2.6 / unidade
Ver ficha técnica →PIC18LF47K42-I/MV
✅ Drop-In✓ Em estoque
$2.75 / unidade
Ver ficha técnica →PIC18LF56K42-I/PT
✅ Drop-In✓ Em estoque
$2.5 / unidade
Ver ficha técnica →PIC18LF56K42T-I/MV Classificações máximas e características elétricas
| Core | PIC18 8-bit |
| Family | PIC18F XLP 18K |
| Instruction Set | PIC18 RISC |
| Program Memory (Flash) | 64 KB (32K x 16) |
| Data RAM | 4 KB |
| EEPROM | 256 B |
| Maximum CPU Frequency | 64 MHz |
| MIPS Performance | 16 MIPS |
| Operating Voltage | 1.8 V to 3.6 V |
| I/O Pins | 44 |
| ADC | 12-bit ADC2 (computation) |
| DAC | 2 x 8-bit |
| Comparators | 3 with 5-bit DAC reference |
| DMA Channels | 8-bit DMA |
| Encapsulamento | 48-UQFN (6x6 mm) with exposed pad |
| Temperatura de operação | -40C to +85C (Industrial) |
| Tipo de montagem | Surface Mount |
| Status RoHS | Compliant |
Configuração de pinos do PIC18LF56K42T-I/MV
| Pino 1 | RA0/ANA0 — Port A bit 0 / Analog input 0 |
| Pino 2 | RA1/ANA1 — Port A bit 1 / Analog input 1 |
| Pino 3 | RA2/ANA2 — Port A bit 2 / Analog input 2 |
| Pino 4 | RA3/ANA3 — Port A bit 3 / Analog input 3 |
| Pino 5 | RA4/ANA4 — Port A bit 4 / Analog input 4 |
| Pino 6 | RA5/ANA5 — Port A bit 5 / Analog input 5 |
| Pino 7 | RA6/ANA6 — Port A bit 6 / Analog input 6 |
| Pino 8 | RA7/ANA7 — Port A bit 7 / Analog input 7 |
| Pino 9 | RB0/ANB0 — Port B bit 0 / Analog input B0 |
| Pino 10 | RB1/ANB1 — Port B bit 1 / Analog input B1 |
| Pino 11 | VDD — Power supply (1.8-3.6 V) |
| Pino 12 | VSS — Ground |
| Pino 13 | RB2/ANB2 — Port B bit 2 / Analog input B2 |
| Pino 14 | RB3/ANB3 — Port B bit 3 / Analog input B3 |
| Pino 15 | RB4/ANB4 — Port B bit 4 / Analog input B4 |
| Pino 16 | RB5/ANB5 — Port B bit 5 / Analog input B5 |
| Pino 17 | RB6/ANB6 — Port B bit 6 / Analog input B6 / ICSPCLK |
| Pino 18 | RB7/ANB7 — Port B bit 7 / Analog input B7 / ICSPDAT |
| Pino 19 | RC0 — Port C bit 0 |
| Pino 20 | RC1 — Port C bit 1 |
| Pino 21 | RC2 — Port C bit 2 |
| Pino 22 | RC3 — Port C bit 3 |
| Pino 23 | RC4 — Port C bit 4 |
| Pino 24 | RC5 — Port C bit 5 |
| Pino 25 | RC6 — Port C bit 6 / TX |
| Pino 26 | RC7 — Port C bit 7 / RX |
| Pino 27 | VSS — Ground |
| Pino 28 | VDD — Power supply (1.8-3.6 V) |
| Pino 29 | RD0 — Port D bit 0 |
| Pino 30 | RD1 — Port D bit 1 |
| Pino 31 | RD2 — Port D bit 2 |
| Pino 32 | RD3 — Port D bit 3 |
| Pino 33 | RD4 — Port D bit 4 |
| Pino 34 | RD5 — Port D bit 5 |
| Pino 35 | RD6 — Port D bit 6 |
| Pino 36 | RD7 — Port D bit 7 |
| Pino 37 | RE0 — Port E bit 0 |
| Pino 38 | RE1 — Port E bit 1 |
| Pino 39 | RE2 — Port E bit 2 |
| Pino 40 | RE3 — Port E bit 3 |
| Pino 41 | RF0 — Port F bit 0 |
| Pino 42 | RF1 — Port F bit 1 |
| Pino 43 | RF2 — Port F bit 2 |
| Pino 44 | RF3 — Port F bit 3 |
| Pino 45 | RF4 — Port F bit 4 |
| Pino 46 | RF5 — Port F bit 5 |
| Pino 47 | VSS — Ground |
| Pino 48 | VDD — Power supply (1.8-3.6 V) |
Aplicações típicas
PIC18LF56K42T-I/MV é adequado para 6 aplicaçãos: IoT Sensor Node, Home Appliance Control (White Goods), Portable Medical Device, BLDC / FOC Motor Control, LED Lighting Controller, Battery-Powered Instrumentation.
IoT Sensor Node
The PIC18LF56K42T-I/MV suits battery-powered IoT sensor nodes because its XLP nanoWatt technology delivers sub-100 nA sleep current and the 12-bit ADC2 with computation supports hardware-averaged sensor reads while the core stays asleep. Direct 1.8 V to 3.6 V operation eliminates the boost converter normally required for 2x AA cells, cutting BOM cost. Hardware DMA moves sensor data without waking the CPU, extending coin-cell life to multiple years in typical wake-and-transmit duty cycles.
Recomendado
Home Appliance Control (White Goods)
Home appliances such as induction cooktops, washing machines and dishwasher HMIs use the PIC18LF56K42T-I/MV for its 12-bit ADC2 with zero-cross detection, complementary waveform generator and three comparators with DAC references. The CWG and PWM/SCCP/MCCP channels drive IGBT/MOSFET bridges for triac or zero-voltage-switched heater control. 64 KB Flash is ample for capacitive-touch UI libraries plus motor-control state machines.
Recomendado
Portable Medical Device
Portable medical devices including pulse oximeters, glucose meters and handheld spirometers choose the PIC18LF56K42T-I/MV because the 12-bit ADC2 with oversampling and hardware averaging achieves clinical-grade signal integrity, while the XLP sleep current keeps the device within IEC 60601 battery-life budgets. Hardware DMA and peripheral trigger let the MCU wake only on timer or comparator events - critical for patient-safety watchdogs and low-power alarms.
Recomendado
BLDC / FOC Motor Control
BLDC and FOC motor control for fans, pumps and small drones use the PIC18LF56K42T-I/MV because its Complementary Waveform Generator and multiple PWM channels provide center-aligned switching with dead-band control for 3-phase bridges. The 64 MHz / 16 MIPS core runs sensorless FOC algorithms in real time while the zero-cross detection hardware accelerates back-EMF commutation, eliminating dedicated motor-control ICs in cost-sensitive designs.
Recomendado
LED Lighting Controller
LED lighting controllers and commercial luminaires embed the PIC18LF56K42T-I/MV because the 12-bit ADC reads ambient-light and supply-current sense signals, while the high-resolution PWM/MCCP channels drive constant-current LED strings at dimming ratios below 0.1%. The XLP sleep mode keeps standby power below 0.5 W, supporting Energy Star and EU Ecodesign standby limits in connected luminaires.
Recomendado
Battery-Powered Instrumentation
Battery-powered instrumentation including handheld multimeters, dataloggers and field meters leverage the PIC18LF56K42T-I/MV's 1.8 V to 3.6 V supply, XLP sleep current and 12-bit ADC2 with hardware accumulation to extend measurement uptime per battery. The 44 I/O pins drive segmented LCDs through peripheral-managed charge pumps, and the UART/SPI/I2C peripherals communicate with Bluetooth or USB-C modules for field connectivity.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC18LF56K42T-I/MV — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC18F56K42T-I/MV | PIC18LF55K42T-I/MV | PIC18LF47K42-I/MV | PIC18LF56K42-I/PT |
|---|---|---|---|---|---|
| Package | 48-UQFN (6x6 mm) | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-TQFP (7x7 mm) - different footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash | 64 KB | 64 KB | 32 KB | 128 KB | 64 KB |
| RAM | 4 KB | 4 KB | 4 KB | 8 KB | 4 KB |
| Operating Voltage | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Max CPU Frequency | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 64 MHz |
| I/O Pins | 44 | 44 | 44 | 36 | 44 |
| ADC | 12-bit ADC2 | 12-bit ADC2 | 12-bit ADC2 | 12-bit ADC2 | 12-bit ADC2 |
| Unit Price (qty 1) | $2.28 | $2.32 | $2.05 | $2.85 | $2.34 |
Principais diferenciais
- Lowest minimum VDD in 48-UQFN K42 family (vs PIC18F56K42T-I/MV)
- Largest Flash in LF-family 48-UQFN line (vs PIC18LF55K42T-I/MV)
- More I/O pins than the 40-pin K42 sibling (vs PIC18LF47K42-I/MV)
Notas de projeto
Place a 100 nF decoupling capacitor on each VDD pin (11, 28, 48) within 2 mm of the pad to suppress transient switching current. Add a bulk 1 uF to 10 uF ceramic on the supply rail near the exposed thermal pad. For the analog ADC reference, place the AVSS/AVDD filter capacitor at the dedicated analog pin to prevent ADC reference ripple coupling into conversion results. Note: the LF variant is designed for 1.8 V to 3.6 V only; voltages above 3.6 V will damage the part.
The 48-UQFN (6x6 mm) package requires a continuous exposed pad (EP) beneath the die for thermal and electrical ground connection. Stencil the EP with multiple apertures (typically 4-6 small openings totaling 50-70% coverage) to ensure uniform solder void distribution. Avoid placing vias-in-pad for the EP unless they are tented/capped - exposed vias will wick solder and starve the central ground connection.
The UPDI programming pin shares an I/O on PORTB (RB7) and requires a 4.7 kohm pull-up to VDD for reliable in-circuit programming; without it the debugger will fail to assert the high-voltage sequence. Do not use the LF variant on a 5 V rail - the VDD max is 3.6 V. When migrating code from PIC18F56K42 to PIC18LF56K42, verify all ADC references and digital thresholds since the internal FVR scales with VDD on the LF variant differently than the F-variant.
Informações de conformidade
RoHS compliant per Microchip product page. Industrial -40C to +85C temperature grade; AEC-Q100 qualified variants available separately in the PIC18F56K42 family.
