PIC16LC63A-04I/SP - 8-bit PIC MCU, 7KB OTP, 22 I/O, 28-SPDIP | Microchip
MPN: PIC16LC63A-04I/SP ✓ Hoạt độngPIC16LC63A-04I/SP Tóm tắt
An MCU (microcontroller unit) is a single-chip computer that combines a CPU core, program and data memory, peripheral set, and I/O on one die, and the PIC16CXX mid-range family represents Microchip's original RISC-based 8-bit architecture used in millions of embedded designs. This hierarchy - 8-bit MCU -> mid-range PIC -> PIC16CXX -> PIC16LC6x - places the PIC16LC63A at the low-power (LC) variant level, which trades maximum clock speed for reduced supply current, making it ideal for battery and energy-sensitive applications.
Key features include 35 single-word instructions with single-cycle execution (except branches, which take two cycles), an operating speed up to 4 MHz at 5V, low power consumption (5 mA typical at 5V/4 MHz, and 1 uA typical at 3V/32 kHz), and integrated peripherals covering I2C, SPI, and USART connectivity. The 'I' temperature suffix denotes the industrial operating range of -40C to +85C, and the SPDIP-28 footprint supports easy prototyping, breadboarding, and legacy through-hole assembly.
The PIC16LC63A uses a Harvard RISC architecture with separate program and data buses, enabling most instructions to execute in one instruction cycle. Its 14-bit instruction word width gives more compact code than 8-bit CISC alternatives, while the OTP program memory allows fast, low-cost factory programming for moderate-volume production. The 'LC' (Low-power CMOS) process delivers the lowest standby current in the PIC16C6x series.
Typical applications include industrial control and sensor interfaces, low-power battery instruments, automotive body and chassis subsystems (non-safety), consumer appliance controllers, and embedded communication front-ends (USART/SPI bridges). Engineers often pair this part with external EEPROM for data logging and with RS-232/RS-485 transceivers for legacy industrial networking.
A key design consideration: the 04 speed grade limits operation to 4 MHz at 5V - choose the -20 variant if the application needs the full 20 MHz clock. OTP memory is one-time programmable, so firmware must be fully validated on a windowed or flash-equivalent variant (e.g. PIC16F877) before committing to OTP.
This page synthesizes distributor stock and pricing, drop-in same-package alternatives, and design notes compiled from Microchip datasheet specifications not typically aggregated on a single product page.
Bộ thay thế dễ dàng lắp đặt cho PIC16LC63A-04I/SP — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC16LC63A-04I/SP (cùng hình factor và footprint) — khác nhau ở Package, Program Memory Size, Program Memory Type, RAM Size, Operating Temperature Range.
PIC16LC63A-04I/SO
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Xem tài liệu →PIC16LC63A-04I/SP Tỷ lệ tối đa & tính chất điện
| Core Processor | PIC |
| Core Size | 8-bit |
| Core Family | PIC16CXX mid-range |
| Program Memory Size | 7 KB (4K x 14) OTP |
| RAM Size | 192 bytes |
| Number of I/O | 22 |
| Tần số xung maksimum | 4 MHz |
| Supply Voltage Range | 3.0 V to 5.5 V |
| Khoảng nhiệt độ hoạt động | -40 C to +85 C (Industrial) |
| Connectivity | I2C, SPI, USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Hộp / Vỏ | 28-SPDIP (Skinny Plastic DIP, 0.300 inch) |
| Kiểu lắp đặt | Through-Hole |
| Speed Grade | 04 (4 MHz) |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
Cấu hình chân PIC16LC63A-04I/SP
| Chân 1 | MCLR/VPP — Master Clear (reset) input / Programming voltage input |
| Chân 2 | RA0/AN0 — PORTA bit 0 / Analog input 0 |
| Chân 3 | RA1/AN1 — PORTA bit 1 / Analog input 1 |
| Chân 4 | RA2/AN2 — PORTA bit 2 / Analog input 2 |
| Chân 5 | RA3/AN3/VREF — PORTA bit 3 / Analog input 3 / Voltage reference |
| Chân 6 | RA4/T0CKI — PORTA bit 4 / Timer 0 clock input |
| Chân 7 | RA5/SS/AN4 — PORTA bit 5 / SPI slave select / Analog input 4 |
| Chân 8 | VSS — Ground reference |
| Chân 9 | OSC1/CLKIN — Oscillator crystal input / External clock input |
| Chân 10 | OSC2/CLKOUT — Oscillator crystal output / Clock output |
| Chân 11 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer 1 oscillator output / Timer 1 clock input |
| Chân 12 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer 1 oscillator input / Capture-Compare-PWM 2 |
| Chân 13 | RC2/CCP1 — PORTC bit 2 / Capture-Compare-PWM 1 |
| Chân 14 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| Chân 15 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| Chân 16 | RC5/SDO — PORTC bit 5 / SPI data out |
| Chân 17 | RC6/TX/CK — PORTC bit 6 / USART transmit / USART clock |
| Chân 18 | RC7/RX/DT — PORTC bit 7 / USART receive / USART data |
| Chân 19 | VSS — Ground reference |
| Chân 20 | VDD — Positive supply voltage (3.0 V to 5.5 V) |
| Chân 21 | RB0/INT — PORTB bit 0 / External interrupt |
| Chân 22 | RB1 — PORTB bit 1 |
| Chân 23 | RB2 — PORTB bit 2 |
| Chân 24 | RB3/PGM — PORTB bit 3 / Low-voltage programming |
| Chân 25 | RB4 — PORTB bit 4 |
| Chân 26 | RB5 — PORTB bit 5 |
| Chân 27 | RB6/PGC — PORTB bit 6 / In-circuit debugger clock |
| Chân 28 | RB7/PGD — PORTB bit 7 / In-circuit debugger data |
Ứng dụng tiêu biểu
PIC16LC63A-04I/SP phù hợp cho 6 Áp dụngs: Industrial Sensor Interface, Battery-Powered Instrument, Consumer Appliance Controller, Automotive Body Electronics (Non-Safety), Embedded Communication Bridge, Educational and Hobby Development.
Industrial Sensor Interface
The PIC16LC63A-04I/SP fits industrial sensor interface modules because of its 22 I/O pins, integrated I2C/SPI/USART, and -40C to +85C industrial temperature rating. With 7 KB OTP program memory and 192 bytes of RAM, it can run Modbus RTU slaves, multi-sensor polling loops, and simple PID control on the same chip. Compared with 32-bit Cortex-M alternatives, the PIC16LC63A-04I/SP consumes far less standby current (about 1 uA at 3V/32 kHz) and runs from a 3.0-5.5 V rail without a regulator. Use it paired with an RS-485 transceiver (e.g. MAX485) for legacy industrial networks.
Được đề xuất
Battery-Powered Instrument
The PIC16LC63A-04I/SP is well suited to battery-powered instruments thanks to its LC low-power CMOS process. Drawing only 1 uA typical at 3V/32 kHz and 5 mA typical at 5V/4 MHz, it can run for years on a single CR2032 coin cell in sleep-dominated duty cycles. The 7 KB OTP memory holds small firmware for sensor sampling, LCD driving, and periodic data transmission, while the 22 I/O pins easily interface buttons, displays, and analog sensors via ADC. Design tip: use the Watchdog Timer to wake from sleep on internal timeout for lowest average current.
Được đề xuất
Consumer Appliance Controller
In consumer appliance controllers such as coffee makers, microwaves, washing machines, and HVAC blowers, the PIC16LC63A-04I/SP provides the right balance of cost, peripherals, and processing power. Its integrated PWM channels drive motor speed or heater elements, the 22 I/O pins interface keypad, LCD, LEDs, and discrete sensors, and the USART enables connectivity to a master inverter or display board. The 7 KB OTP memory and the mature PIC16 toolchain shorten time-to-market for high-volume consumer designs where cost is paramount.
Được đề xuất
Automotive Body Electronics (Non-Safety)
The PIC16LC63A-04I/SP works well in non-safety automotive body electronics such as interior lighting, mirror controllers, seat-position memory, and HVAC blend-door actuators, provided the system does not require AEC-Q100 qualification. Its -40C to +85C industrial temperature range covers most cabin and underhood-near applications. The integrated PWM, USART, and 22 I/O handle motor drivers and LIN bus bridges efficiently. For safety-critical or AEC-Q100 required systems, choose a Q-graded PIC16 variant instead.
Được đề xuất
Embedded Communication Bridge
For legacy communication bridges (USART-to-SPI, SPI-to-I2C, RS-232-to-RS-485), the PIC16LC63A-04I/SP is an excellent fit because its integrated I2C, SPI, and USART peripherals can be cross-wired in firmware without external logic. The 7 KB OTP memory is enough for protocol-conversion state machines, while the 192-byte RAM buffers small packets. With the 4 MHz clock it can sustain typical 115200 baud USART, 400 kHz I2C Fast-mode, and 4 MHz SPI master rates. Use it to modernize legacy equipment with bridge firmware.
Được đề xuất
Educational and Hobby Development
The PIC16LC63A-04I/SP is popular in university embedded courses and hobby projects due to its 28-SPDIP through-hole package, which is easy to breadboard and hand-solder. The mature MPLAB X IDE, XC8 compiler, and PICkit programmer ecosystem give students a low-friction learning path, while the 35-instruction RISC architecture keeps assembly-language teaching tractable. The 7 KB OTP is large enough for semester projects and small capstone designs, and the 22 I/O drives LEDs, character LCDs, and sensor shields with room to spare.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16LC63A-04I/SP — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC16LC63A-04I/SO | PIC16LC63-04I/SP | PIC16C63A-04I/SP |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SPDIP (through-hole) | 28-SOIC (surface-mount) | 28-SPDIP (through-hole) | 28-SPDIP (through-hole) |
| Program Memory | 7 KB OTP | 7 KB OTP (same) | 4 KB OTP (-43%) | 7 KB OTP (same) |
| RAM Size | 192 bytes | 192 bytes (same) | 192 bytes (same) | 192 bytes (same) |
| I/O Pins | 22 | 22 (same) | 22 (same) | 22 (same) |
| Max Clock Frequency | 4 MHz | 4 MHz (same) | 4 MHz (same) | 4 MHz (same) |
| Supply Voltage | 3.0 V to 5.5 V | 3.0 V to 5.5 V (same) | 3.0 V to 5.5 V (same) | 3.0 V to 5.5 V (same) |
| Power Process | LC (Low-power CMOS) | LC (Low-power CMOS) | LC (Low-power CMOS) | C (standard CMOS, higher current) |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C (same) | -40 C to +85 C (same) | -40 C to +85 C (same) |
Bảo phân biệt quan trọng
- Lowest standby current in PIC16C6x family (vsPIC16C63A-04I/SP)
- Larger program memory than siblings (vsPIC16LC63-04I/SP)
- Through-hole SPDIP for prototyping (vsPIC16LC63A-04I/SO)
Ghi chú thiết kế
The PIC16LC63A-04I/SP draws approximately 1 uA typical at 3V/32 kHz and 5 mA typical at 5V/4 MHz, giving a wide dynamic range for duty-cycled battery designs. For lowest standby current, configure the Watchdog Timer as the wake-up source and disable all unused peripherals via PCON/PIE registers. Decouple VDD with a 0.1 uF ceramic capacitor placed within 5 mm of the VDD pin, with a bulk 10 uF tantalum on the supply rail. Avoid leaving any I/O pin floating - configure unused pins as outputs to prevent shoot-through current.
Common pitfalls: (1) Exceeding 5.5 V on VDD will damage the OTP programming charge pump - observe absolute-maximum ratings. (2) OTP memory is one-time programmable - validate firmware on a windowed PIC16C63A or flash PIC16F877 equivalent before committing to OTP. (3) The '04' speed grade caps operation at 4 MHz; do not attempt to overclock with a 20 MHz crystal. (4) The MCLR pin must have a 10 kohm pull-up to VDD for normal operation; floating MCLR causes unpredictable resets.
PCB layout: place the 0.1 uF VDD decoupling capacitor as close to pin 20 (VDD) as possible, with a via-free trace from pin to capacitor pad. Keep the crystal or resonator traces to pins 9-10 short (under 10 mm) and surround them with a ground guard ring to reduce EMI. The 28-SPDIP through-hole footprint allows easy hand-soldering on 2.54 mm pitch - use a socket for development so the OTP part can be replaced. Route the ICSP pins (RB6/RB7) to a 6-pin header for PICkit programming.
Thông tin tuân thủ
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - choose Q-graded PIC16 variant for automotive safety applications. Halogen-free status not explicitly stated in available data - set to unknown per data authenticity rules.
