PIC16LC65BT-04/PQ - 8-bit MCU, 7KB OTP, 4MHz, 44-MQFP | Microchip
N.º da peça: PIC16LC65BT-04/PQ ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $7.85 | $7,85 |
| 10 | $7.06 | $70,60 |
| 100 | $6.28 | $628,00 |
| 500 | $5.65 | $2.825,00 |
| 1.000 | $5.04 | $5.040,00 |
PIC16LC65BT-04/PQ Visão geral
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (ROM/EPROM/OTP/Flash), data memory (RAM), timers, communication peripherals, and I/O ports into one package. The PIC16CXX mid-range family is a Harvard-architecture RISC core family that executes one instruction per clock cycle (except branches), providing deterministic timing and code density advantages for embedded control. The 'LC' in PIC16LC65B denotes the low-voltage CMOS variant optimized for 3.3V and battery-backed operation, while the '65B' indicates 7KB of program memory and an enhanced peripheral set including MSSP (SPI/I2C) and USART. The PIC16LC65BT-04/PQ is the windowed CERDIP-style MQFP 'PQ' package variant with industrial-temperature characterization.
Key features include three timer modules (Timer0 8-bit with 8-bit prescaler, Timer1 16-bit with prescaler and external crystal increment during sleep, Timer2 8-bit), a 10-bit multi-channel Analog-to-Digital Converter, two analog comparators, a Universal Synchronous/Asynchronous Receiver Transmitter (USART), a Master Synchronous Serial Port (MSSP) supporting both SPI and I2C, and a Capture/Compare/PWM (CCP) module. The 14-bit instruction word and 35-instruction RISC set deliver predictable interrupt latency and deterministic control loop execution, which is critical for motor control and instrumentation applications.
The PIC16LC65BT-04/PQ is engineered for industrial automation, consumer electronics, and embedded control applications requiring a balance of memory size, I/O count, and serial connectivity. The wide 2.5V to 5.5V operating range allows direct interface with both 3.3V and 5V logic systems, while the low-power CMOS design supports battery-backed and energy-conscious designs. The integrated MSSP and USART enable simultaneous SPI/I2C sensor connectivity and asynchronous serial communication with a host processor.
Typical applications include industrial sensor interfaces, motor control front-ends, HVAC controllers, automotive body electronics, white-goods control boards, and point-of-sale (POS) terminals. When designing with this part, place 0.1uF decoupling capacitors on each VDD pin as close as possible to the package, use a low-ESR bulk capacitor on the analog AVdd rail, and verify the trace length on the external crystal matches the datasheet's load capacitance recommendation for stable oscillator start-up.
Alternativas drop-in para PIC16LC65BT-04/PQ — 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 PIC16LC65BT-04/PQ (mesmo formato e footprint) — diferindo em ADC, Program Memory Size, Program Memory Type, Package, Timers.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC16LC65B-04/PQ
✅ Drop-In✓ Em estoque
$2.5 / unidade
Ver ficha técnica →PIC16LC65BT-04I/PQ
✅ Drop-In✓ Em estoque
$5.45 / unidade
Ver ficha técnica →PIC16LC65AT-04I/PT
✅ Drop-In✓ Em estoque
$7.8 / unidade
Ver ficha técnica →PIC16LC65A-04I/PQ
✅ Drop-In✓ Em estoque
$5.3 / unidade
Ver ficha técnica →PIC16LC65A-04/PQ
✅ Drop-In✓ Em estoque
$6.5 / unidade
Ver ficha técnica →PIC16LC65BT-04/PQ Classificações máximas e características elétricas
| Core Architecture | PIC16CXX Mid-Range 8-bit RISC (Harvard) |
| Program Memory | 7 KB (4K x 14) OTP EPROM |
| Data RAM | 192 bytes |
| Maximum Clock Speed | 4 MHz |
| Supply Voltage Range | 2.5 V to 5.5 V |
| I/O Pins | 33 |
| Encapsulamento | 44-MQFP (10x10 mm) |
| Program Memory Type | OTP (One-Time-Programmable) |
| Instruction Word Width | 14-bit |
| Timers | Timer0 (8-bit), Timer1 (16-bit), Timer2 (8-bit) |
| ADC | 10-bit multi-channel |
| Serial Interfaces | USART + MSSP (SPI/I2C) |
| Analog Comparators | 2 |
| CCP Module | Yes (Capture/Compare/PWM) |
| Temperatura de operação | 0C to +70C (commercial) |
| Tipo de montagem | Surface Mount |
Guia de Configuração de Pinos do PIC16LC65BT-04/PQ 44-mqfp (10x10 mm)
Configuração de pinos para PIC16LC65BT-04/PQ (pacote 44-mqfp (10x10 mm)). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para PIC16LC65BT-04/PQ.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
PIC16LC65BT-04/PQ é adequado para 7 aplicaçãos: Industrial Sensor Interface Hub, Motor Control Front-End, HVAC Climate Controller, Point-of-Sale (POS) Terminal, White-Goods Control Board, Automotive Body Electronics, Consumer Remote Control Hub.
Industrial Sensor Interface Hub
The PIC16LC65BT-04/PQ's 33 I/O pins and integrated MSSP supporting both I2C and SPI make it ideal for multi-sensor aggregation in industrial process monitoring. The device can simultaneously interface with I2C temperature/pressure sensors via the MSSP and SPI-connected ADCs or DACs, while the integrated USART streams processed data to a host PLC. With 192 bytes of RAM and 7KB of OTP program memory, it can implement modest sensor-fusion algorithms and Modbus-RTU framing. The 2.5V to 5.5V supply range allows direct operation from 24V industrial buses via a small LDO. The 4MHz clock delivers predictable interrupt latency required for deterministic control loops.
Recomendado
Motor Control Front-End
The PIC16LC65BT-04/PQ's Capture/Compare/PWM (CCP) module, three timers, and 33 I/O pins provide the complete signal chain for small BLDC or stepper motor control. Timer1's 16-bit resolution and external-crystal-increment-during-sleep capability enable precise tachometer feedback, while the CCP generates PWM drive signals at up to 10-bit resolution. The integrated analog comparators allow hardware-based back-EMF zero-cross detection for sensorless commutation. With 7KB OTP code space, firmware can implement field-oriented control state machines, fault detection, and serial diagnostics. The 2.5V to 5.5V range simplifies integration with 3.3V gate drivers.
Recomendado
HVAC Climate Controller
The PIC16LC65BT-04/PQ is well-suited for HVAC control boards where multiple analog inputs (temperature, humidity, pressure) must be processed alongside digital keypad/display interfacing. Its 10-bit ADC with multiple input channels digitizes sensor data, while the USART interfaces with the indoor unit's main controller. The 192 bytes of RAM support PID loop state variables and EEPROM emulation for setpoint storage. The PIC's wide 2.5V-5.5V supply range tolerates the 24VAC-derived rails typical in HVAC equipment. Low-power CMOS design makes this part attractive for thermostats where standby current directly affects battery life.
Recomendado
Point-of-Sale (POS) Terminal
The PIC16LC65BT-04/PQ's USART, MSSP, and abundant I/O support a complete POS peripheral controller bridging mag-stripe readers, barcode scanners, receipt printers, and keypads to a host terminal. The MSSP handles SPI-connected thermal printers while the USART streams mag-stripe data to the host processor at standard 9600/115200 baud rates. With 33 I/O pins, the MCU can directly drive a 4x4 keypad matrix and a small character LCD without external glue logic. The 7KB OTP program memory accommodates custom encryption and tamper-detection routines required for payment-card applications.
Recomendado
White-Goods Control Board
In washing machines, dishwashers, and refrigerators, the PIC16LC65BT-04/PQ's combination of timers, ADC, and 33 I/O pins drives a complete appliance controller. Timer0's 8-bit prescaler generates precise wash-cycle timing, while Timer1's 16-bit range is used for motor speed measurement via optical encoder feedback. The 10-bit ADC reads water-level, temperature, and turbidity sensors. The 2.5V-5.5V supply range allows direct regulation from rectified mains-derived 5V rails. With 7KB OTP memory, firmware can implement multi-cycle programs, fault logging, and EEPROM emulation for user preference storage.
Recomendado
Automotive Body Electronics
Automotive body controllers for lighting, door modules, and HVAC blend doors benefit from the PIC16LC65BT-04/PQ's PWM, ADC, and serial peripherals. The CCP module drives LED dimming PWMs for interior lighting, while the USART interfaces with the vehicle's body-control network. The integrated analog comparators monitor battery voltage and detect fault conditions like short circuits. Note that for under-hood or harsh-environment automotive nodes, the industrial-temperature PIC16LC65BT-04I/PQ variant is required to meet the -40C to +85C range. AEC-Q100 qualification status should be verified with Microchip for safety-critical applications.
Recomendado
Consumer Remote Control Hub
The PIC16LC65BT-04/PQ's low-power CMOS design and 33 I/O enable cost-effective universal-remote controllers that aggregate IR, RF, and serial-controlled appliances. The USART handles RF transceiver communication while the CCP module generates precise 38kHz/56kHz IR carrier waveforms. With 192 bytes of RAM, the device can buffer command macros and learn new IR codes. The 2.5V-5.5V supply range supports both 3V coin-cell and rechargeable Li-ion battery configurations. 7KB OTP memory stores device code libraries and user-defined macros.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC16LC65BT-04/PQ — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC16LC65B-04/PQ | PIC16LC65BT-04I/PQ | PIC16LC65AT-04I/PT | PIC16LC65A-04/PQ |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-MQFP (10x10 mm) | 44-MQFP (10x10 mm) - same | 44-MQFP (10x10 mm) - same | 44-MQFP (10x10 mm) - same | 44-MQFP (10x10 mm) - same |
| Program Memory | 7 KB OTP | 7 KB OTP | 7 KB OTP | 7 KB OTP (A revision) | 7 KB OTP (A revision) |
| Clock Speed | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 4 MHz |
| Operating Temperature | 0C to +70C (commercial) | 0C to +70C | -40C to +85C (industrial) | -40C to +85C (industrial) | 0C to +70C |
| Silicon Revision | B revision | B revision | B revision | A revision | A revision |
| I/O Pins | 33 | 33 | 33 | 33 | 33 |
| Packaging | Tape & Reel | Tray (no T suffix) | Tape & Reel | Tape & Reel | Tray |
Principais diferenciais
- Industrial temperature option in same package (vs PIC16LC65A-04/PQ)
- Tape-and-reel packaging for SMT assembly (vs PIC16LC65B-04/PQ)
- Mid-range 8-bit RISC core with deterministic timing (vs Generic 8051 MCUs)
Notas de projeto
Place a 0.1uF ceramic decoupling capacitor on each VDD pin (pins 11 and 32) and a bulk 10uF tantalum or ceramic capacitor on the AVdd rail as close to the package as possible. The PIC16LC65BT-04/PQ's ADC accuracy is highly dependent on clean analog supply; route AVdd through a ferrite bead from Vdd to suppress switching noise. Estimated: at 5V VDD and 4MHz clock, the typical supply current is approximately 2-5 mA active, well within LDO ratings.
Maintain short traces (< 5mm) between the PIC16LC65BT-04/PQ's OSC1/OSC2 pins (pins 13-14) and the external crystal or resonator to ensure stable oscillator start-up. The 44-MQFP package has a 0.8 mm pin pitch requiring standard SMT assembly processes; use a fine-pitch stencil (0.125 mm thickness) for consistent solder paste deposition. Provide a guard ring around the analog input pins connected to AVss to minimize digital-coupling noise.
The PIC16LC65BT-04/PQ is an OTP (One-Time-Programmable) device - code cannot be erased or reprogrammed after the first programming. Unlike Flash-based PIC16F-series parts, OTP parts require a verified firmware image before programming. Engineers prototyping new designs should use the Flash-based PIC16F877A-I/PQ as a development surrogate and only commit to OTP for production. Also note: the 'PQ' package suffix denotes 44-MQFP; do NOT confuse with 'PT' (TQFP) or 'P' (DIP-40) variants which have different pinouts.
When using the MSSP in I2C mode, install 4.7kohm pull-up resistors on SCL and SDA lines; the PIC16LC65BT-04/PQ uses open-drain drivers requiring external pull-ups. For SPI at high clock rates, route MISO/MOSI/SCK as a matched-length bus and place a 33 ohm series termination at the master output if the bus exceeds 50 mm. The MSSP's SMBus compatibility mode enables communication with smart batteries and PMBus devices when configured per the datasheet.
Informações de conformidade
RoHS, REACH, lead-free, and halogen-free status not stated in the verified web data; marked as unknown pending manufacturer declaration. AEC-Q100 not qualified - this part targets industrial/consumer applications rather than automotive safety-critical nodes.
