PIC18LF4610T-I/PT - 64KB Flash 8-bit MCU 48MHz | Microchip
N.º da peça: PIC18LF4610T-I/PT ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $11.5 | $11,50 |
| 10 | $10.2 | $102,00 |
| 100 | $9.05 | $905,00 |
| 500 | $8.1 | $4.050,00 |
| 1.000 | $7.3 | $7.300,00 |
PIC18LF4610T-I/PT Visão geral
What is a PIC18 microcontroller? The PIC18 family is Microchip's enhanced 8-bit RISC architecture, positioned between the legacy PIC16 line and the PIC24/dsPIC 16-bit families. In the hierarchy: microcontroller -> embedded MCU -> 8-bit MCU -> RISC MCU -> PIC18 -> PIC18F/LF46xx sub-family. The 'LF' prefix denotes the low-voltage variant optimized for 2.0V-5.5V operation with extended nanoWatt sleep modes; the 'F' variants typically run at 4.2V-5.5V. PIC18 parts use a modified Harvard architecture with separate program and data buses, hardware multiply, and C-optimized instruction set.
Key features of the PIC18LF4610T-I/PT include 36 digital I/O pins arranged across five ports, a 10-bit successive-approximation ADC with up to 13 input channels, two CCP/ECCP modules for PWM or capture/compare, two USART ports, one MSSP supporting both SPI and I4F modes, an enhanced watchdog timer, and four timer modules (Timer0/1/2/3). It supports in-circuit serial programming (ICSP) and in-circuit debugging via two ICD pins, allowing firmware development without removing the chip.
The silicon uses an enhanced flash cell with self-programmability under software control, enabling bootloader-style firmware upgrades in the field. The internal RC oscillator is factory-calibrated to ±1% across 2V-5.5V, and the PLL multiplier can synthesize 96 MHz from a 4 MHz source for the 12 MIPS high-performance mode. nanoWatt technology gates unused peripherals dynamically, drawing as little as 100 nA in deep sleep.
Typical applications include industrial control with HMI displays, USB-aware embedded systems using the on-chip MSSP, home appliance control boards, HVAC sensor nodes, automotive body controllers, and battery-powered metering where low standby current matters.
When designing, observe the 5.5V absolute maximum and ensure decoupling capacitance of at least 0.1 µF ceramic is placed within 5 mm of each VDD/VSS pair. Unused I/O should be configured as outputs low rather than left floating to suppress shoot-through current.
This page consolidates distributor pricing as of 2026-09-29, drop-in alternatives from the PIC18 family, and design notes not aggregated elsewhere.
Alternativas drop-in para PIC18LF4610T-I/PT — 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 PIC18LF4610T-I/PT (mesmo formato e footprint) — diferindo em Operating Temperature, Timers, Core Architecture, Package, ADC.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC18LF4610-I/PT
✅ Drop-In✓ Em estoque
$5.2 / unidade
Ver ficha técnica →PIC18LF4620-I/PT
✅ Drop-In✓ Em estoque
$4.45 / unidade
Ver ficha técnica →PIC18F4610-I/PT
✅ Drop-In✓ Em estoque
$6.1 / unidade
Ver ficha técnica →PIC18F46K22-I/PT
✅ Drop-In✓ Em estoque
$2.32 / unidade
Ver ficha técnica →PIC18LF45K80-I/PT
✅ Drop-In✓ Em estoque
$4.1 / unidade
Ver ficha técnica →PIC18LF45K50-I/PT
✅ Drop-In✓ Em estoque
$2.52 / unidade
Ver ficha técnica →PIC18LF4610T-I/PT Classificações máximas e características elétricas
| Architecture | 8-bit RISC (PIC18 enhanced) |
| Program Memory | 64 KB Flash |
| RAM | 3968 bytes |
| EEPROM | 1024 bytes |
| Frequência máxima de clock | 48 MHz (up to 10 MIPS, 12 MIPS with PLL) |
| Tensão de alimentação | 2.0 V to 5.5 V |
| I/O Pins | 36 |
| ADC | 10-bit, up to 13 channels |
| Timers | 4 (Timer0/1/2/3) |
| CCP/ECCP Modules | 2 |
| USART | 2 |
| MSSP (SPI/I2C) | 1 |
| Encapsulamento | 44-pin TQFP (PT), 10x10 mm |
| Temperatura de operação | -40 C to +85 C (Industrial) |
| Tipo de montagem | Surface Mount |
| Nível MSL | 3 (168 hours) |
| Lead-Free / RoHS | Yes / Compliant |
| Programming / Debug | ICSP + ICD (2-wire) |
| Internal Oscillator | 31 kHz - 8 MHz, factory calibrated ±1% |
Configuração de pinos do PIC18LF4610T-I/PT
| Pino 1 | MCLR/VPP/RE3 — Master Clear (reset) input or programming voltage / PORTE bit 3 |
| Pino 2 | RA0/AN0 — PORTA bit 0 / Analog input channel 0 |
| Pino 3 | RA1/AN1 — PORTA bit 1 / Analog input channel 1 |
| Pino 4 | RA2/AN2/VREF- — PORTA bit 2 / Analog input channel 2 / ADC negative reference |
| Pino 5 | RA3/AN3/VREF+ — PORTA bit 3 / Analog input channel 3 / ADC positive reference |
| Pino 6 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input |
| Pino 7 | RA5/AN4/SS — PORTA bit 5 / Analog input channel 4 / SPI slave select |
| Pino 8 | RE0/RD/AN5 — PORTE bit 0 / Parallel port read control / Analog input channel 5 |
| Pino 9 | RE1/WR/AN6 — PORTE bit 1 / Parallel port write control / Analog input channel 6 |
| Pino 10 | RE2/CS/AN7 — PORTE bit 2 / Parallel port chip select / Analog input channel 7 |
| Pino 11 | VDD — Positive supply voltage |
| Pino 12 | VSS — Ground reference |
| Pino 13 | OSC1/CLKIN/RA7 — External clock input / PORTA bit 7 |
| Pino 14 | OSC2/CLKOUT/RA6 — External clock output / PORTA bit 6 |
| Pino 15 | RC0/T1OSO/T13CKI — PORTC bit 0 / Timer1 oscillator output / Timer1/Timer3 clock input |
| Pino 16 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 PWM output |
| Pino 17 | RC2/CCP1 — PORTC bit 2 / CCP1 PWM output |
| Pino 18 | RC3/SCK/SCL — PORTC bit 3 / MSSP SPI clock / I2C clock |
| Pino 19 | RD0/PSP0 — PORTD bit 0 / Parallel Slave Port bit 0 |
| Pino 20 | RD1/PSP1 — PORTD bit 1 / Parallel Slave Port bit 1 |
| Pino 21 | RD2/PSP2 — PORTD bit 2 / Parallel Slave Port bit 2 |
| Pino 22 | RD3/PSP3 — PORTD bit 3 / Parallel Slave Port bit 3 |
| Pino 23 | RC4/SDI/SDA — PORTC bit 4 / MSSP SPI data in / I2C data |
| Pino 24 | RC5/SDO — PORTC bit 5 / MSSP SPI data out |
| Pino 25 | RC6/TX/CK — PORTC bit 6 / USART asynchronous transmit / synchronous clock |
| Pino 26 | RC7/RX/DT — PORTC bit 7 / USART asynchronous receive / synchronous data |
| Pino 27 | RD4/PSP4 — PORTD bit 4 / Parallel Slave Port bit 4 |
| Pino 28 | RD5/PSP5 — PORTD bit 5 / Parallel Slave Port bit 5 |
| Pino 29 | RD6/PSP6/TX2/CK2 — PORTD bit 6 / PSP bit 6 / USART2 transmit / synchronous clock |
| Pino 30 | RD7/PSP7/RX2/DT2 — PORTD bit 7 / PSP bit 7 / USART2 receive / synchronous data |
| Pino 31 | VSS — Ground reference |
| Pino 32 | VDD — Positive supply voltage |
| Pino 33 | RB0/INT0/FLT0 — PORTB bit 0 / External interrupt 0 / ECCP fault input |
| Pino 34 | RB1/INT1 — PORTB bit 1 / External interrupt 1 |
| Pino 35 | RB2/INT2 — PORTB bit 2 / External interrupt 2 |
| Pino 36 | RB3/INT3/CCP2A — PORTB bit 3 / External interrupt 3 / CCP2 enhanced output |
| Pino 37 | RB4 — PORTB bit 4 (interrupt-on-change) |
| Pino 38 | RB5 — PORTB bit 5 (interrupt-on-change) |
| Pino 39 | RB6/PGC — PORTB bit 6 / ICSP clock / interrupt-on-change |
| Pino 40 | RB7/PGD — PORTB bit 7 / ICSP data / interrupt-on-change |
| Pino 41 | AVSS — Analog ground reference |
| Pino 42 | AVDD — Analog positive supply |
| Pino 43 | NC — Not connected (per datasheet) |
| Pino 44 | NC — Not connected (per datasheet) |
Aplicações típicas
PIC18LF4610T-I/PT é adequado para 6 aplicaçãos: Industrial Control with HMI Display, Home Appliance Control Board, HVAC Sensor Node, Automotive Body Controller, Battery-Powered Metering, USB-Aware Embedded Systems.
Industrial Control with HMI Display
The PIC18LF4610T-I/PT is well suited for industrial control boards driving character or graphical HMI displays, where the 64KB flash holds display string tables, menu state machines, and Modbus RTU protocol stacks while the 3968B RAM buffers UART transactions. Its 36 digital I/O pins interface directly to 4x4 keypads, character LCDs via the MSSP SPI channel, and status LEDs without external logic. The 10-bit ADC reads up to 13 analog sensor channels for temperature, pressure, and process variables simultaneously. Operating from a regulated 5V or 3.3V industrial rail, the part's 2.0V-5.5V tolerance simplifies designs powered from 24V-rectified inputs. The industrial -40C to +85C temperature range and nanoWatt power management make it appropriate for factory-floor PLC expansion modules and remote sensor hubs that must run reliably for years in electrically noisy environments.
Recomendado
Home Appliance Control Board
Washing machines, dishwashers, and microwave ovens use the PIC18LF4610T-I/PT for motor control and user interface management. The two CCP/ECCP modules drive TRIAC phase-angle control of universal motors and produce PWM for inverter-driven BLDC pumps, while the 36 I/O pins scan membrane keypads, drive LED or VFD displays, and read door switches. The 64KB flash stores appliance-specific firmware including safety interlocks, error code tables, and energy-saving cycle profiles. The two USART ports enable factory programming and diagnostic logging via the MCP2200 USB bridge. The 2.0V-5.5V supply range tolerates rectified mains variation, while nanoWatt sleep mode drops standby power below 1 mW between cycles, satisfying ENERGY STAR idle requirements for white goods manufactured through 2030.
Recomendado
HVAC Sensor Node
Heating, ventilation, and air-conditioning (HVAC) sensor nodes deploy the PIC18LF4610T-I/PT to aggregate temperature, humidity, and air-quality readings from distributed I2C sensors and relay them over Modbus or BACnet to a central controller. The 10-bit ADC with 13 input channels handles thermistor and 4-20 mA current loop transducers directly, while the MSSP channel reads SHT30 humidity and CCS811 air-quality sensors on the same bus. The 2.0V-5.5V supply range allows powering from 24VAC rectified building power. nanoWatt technology drops sleep current below 1 µA between sensor reads, enabling battery-backed operation during power outages. The -40C to +85C industrial temperature range handles rooftop unit environments, and the 64KB flash accommodates complete HVAC state machines with seasonal scheduling tables and fault-logging buffers.
Recomendado
Automotive Body Controller
Automotive body control modules for door locks, mirror positioning, and lighting use the PIC18LF4610T-I/PT to drive relay and MOSFET-based actuators. The two CCP/ECCP modules generate the PWM signals needed for power window and seat positioning, while the 36 I/O scan LIN-compatible body switches through external transceivers. The 64KB flash holds all body control logic including anti-pinch safety routines, while the 1024-byte EEPROM stores per-vehicle configuration and last-position memory. The 2.0V-5.5V supply range tolerates crank-to-run voltage drops down to 6V on 12V vehicle buses when regulated. While not AEC-Q100 qualified, the part's industrial -40C to +85C rating and robust ESD performance make it widely deployed in non-safety automotive subsystems such as lighting controllers and aftermarket accessory modules.
Recomendado
Battery-Powered Metering
Battery-powered electricity, water, or gas meters use the PIC18LF4610T-I/PT as the metrology host due to its wide 2.0V-5.5V operating range that accommodates lithium primary cells from 3.6V down to 2.0V cutoff. The 64KB flash stores calibration tables, billing period logs, and wireless protocol stacks for radio modules, while the 3968B RAM buffers measurement samples between transmit cycles. The two USART ports allow simultaneous connection to an external metrology AFE and a wireless modem (LoRa, Sigfox, or NB-IoT). nanoWatt technology drops sleep current to approximately 100 nA, enabling 10+ year battery life on metrology nodes. The 1024-byte EEPROM stores tamper events, meter IDs, and cumulative consumption registers that must survive battery replacement. The 36 I/O drive LCD segments directly through the MSSP SPI channel or via external MCP23S17 expanders.
Recomendado
USB-Aware Embedded Systems
While the PIC18LF4610T-I/PT does not include native USB, it serves as the host controller for embedded systems with external USB bridges through its MSSP or USART channels. The 64KB flash accommodates USB HID, CDC, or vendor-class device stacks compiled for the LF4610 peripheral set, with the MSSP providing SPI connection to MCP2210 USB-to-SPI bridges and the USART linking to MCP2200 USB-UART bridges. The 36 I/O scan user inputs and drive status LEDs in USB peripherals such as card readers, label printers, and industrial keypads. The 2.0V-5.5V supply range supports both bus-powered and self-powered designs, while nanoWatt sleep modes reduce suspend current below the USB 2.0 spec's 2.5 mA ceiling. The 44-pin TQFP package provides ample GPIO for end-product feature differentiation without requiring PCB footprint changes from legacy PIC18F/LF4550 designs.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC18LF4610T-I/PT — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC18LF4610-I/PT | PIC18LF4620-I/PT | PIC18F4610-I/PT | PIC18F46K22-I/PT | PIC18LF45K80-I/PT | PIC18LF45K50-I/PT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-44 (PT) | TQFP-44 (PT) | TQFP-44 (PT) | TQFP-44 (PT) | TQFP-44 (PT) | TQFP-44 (PT) | TQFP-44 (PT) |
| Program Memory | 64 KB Flash | 64 KB Flash | 96 KB Flash | 64 KB Flash | 64 KB Flash | 32 KB Flash | 32 KB Flash |
| RAM | 3968 bytes | 3968 bytes | 3968 bytes | 3968 bytes | 3896 bytes | 2048 bytes | 2048 bytes |
| Supply Voltage | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V | 4.2 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 3.6 V |
| MIPS | 10 (12 with PLL) | 10 (12 with PLL) | 10 (12 with PLL) | 10 (12 with PLL) | 16 | 16 | 12 |
| EEPROM | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes | 256 bytes |
| USB Support | No (external bridge only) | No | No | No | No | No | Yes (USB OTG) |
| Sleep Current (typical) | 100 nA | 100 nA | 100 nA | 100 nA | 20 nA (XLP) | 30 nA (XLP) | 30 nA (XLP) |
Principais diferenciais
- Pin-to-pin compatible tray variant for prototype assembly (vs PIC18LF4610-I/PT)
- Doubles flash memory at the same footprint and voltage (vs PIC18LF4620-I/PT)
- Industry-low sleep current and 16 MIPS throughput for modern designs (vs PIC18F46K22-I/PT)
Notas de projeto
The PIC18LF4610T-I/PT has two VDD/VSS pin pairs (11/12 and 31/32) plus separate AVDD/AVSS (42/41) for the ADC. Place a 0.1 µF X7R ceramic decoupling capacitor within 5 mm of each VDD/VSS pair and a 10 µF bulk tantalum or aluminum polymer at the regulator output. The AVDD pin should be tied to VDD through a ferrite bead or 10 Ω resistor to isolate ADC noise from digital switching transients. Do not exceed the 6.5V absolute maximum on VDD - add a TVS diode such as SMAJ5.0CA for protection on industrial power rails.
Unused I/O pins must be configured as outputs and driven low - leaving them as inputs floating or as outputs high draws shoot-through current and may inject noise into adjacent analog inputs. The MCLR pin (pin 1) requires a 10 kΩ pull-up to VDD; do not leave it floating, as transient ESD can cause unintended resets. The ICD pins RB6/PGC and RB7/PGD must be left free of external circuitry that could interfere with in-circuit debugging, or debugging will fail intermittently.
Estimated: at maximum clock of 48 MHz and 5V supply, the PIC18LF4610T-I/PT in 44-pin TQFP draws approximately 25 mA, dissipating 125 mW of power. The TQFP-44 has a theta_JA of approximately 45 °C/W, yielding a junction temperature rise of about 5.6 °C above ambient at full MIPS load. Thermal management is rarely required for typical MCU applications, but for high ambient (>70 °C) industrial enclosures ensure the PCB copper pour around the TQFP provides at least 1 sq.in. of ground plane area to maintain junction below 100 °C.
When using the MSSP in SPI master mode at >4 MHz, keep SPI traces under 50 mm and series-terminate with 33 Ω resistors to suppress ringing on the SCK, SDO, and SDI lines. For I2C bus runs above 100 mm, add 4.7 kΩ pull-ups to both SDA and SCL; for capacitive loads >200 pF (long buses or many slaves), reduce the clock to 100 kHz or use the MSSP's slew-rate control bit. Place the I2C pull-ups close to the MCU side of the bus, not at the far end, to ensure clean rise times.
Informações de conformidade
Lead-free and RoHS compliant per Microchip product page. Industrial -40C to +85C temperature range, but not AEC-Q100 qualified - select automotive-grade PIC18F variants for vehicle applications. Halogen-free per Microchip environmental compliance statements.