PIC16LC63-04/SP - 8-bit PIC MCU, 7KB OTP, 22 I/O | Microchip
MPN: PIC16LC63-04/SP ✗ Cuối đờiPIC16LC63-04/SP Tóm tắt
An 8-bit microcontroller (MCU) is a small computer-on-a-chip that integrates a CPU, memory (program + RAM), and peripherals on a single silicon die. Within the broader taxonomy, the PIC16LC63 sits in the PIC16 mid-range family -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. The LC prefix designates the low-power CMOS process, which trades absolute speed for lower quiescent current and a wider operating voltage range, making it well-suited to battery-powered or wide-input industrial designs where the standard PIC16C (CMOS EPROM) variant would otherwise draw too much current.
Key features include 35 single-word instructions (most single-cycle except branches that take two cycles), a Harvard architecture with separate program and data buses, programmable code protection, power-saving SLEEP mode, an 8-bit timer/counter (TMR0), a 16-bit timer/counter (TMR1), an 8-bit timer/counter (TMR2) with 8-bit period register, a synchronous serial port (SSP) supporting SPI and I2C, a USART with addressable 9-bit mode, an 8-bit analog-to-digital converter (ADC) with up to 8 channels, and a watchdog timer (WDT) with its own on-chip RC oscillator.
Architecturally, the PIC16LC63 uses a RISC instruction set with a fixed 14-bit instruction width. With a 4 MHz oscillator, instruction cycles execute at 1 MHz (each instruction takes 4 oscillator cycles), delivering 1 MIPS of processing throughput. The Harvard bus keeps instruction fetches and data accesses simultaneous, which is one reason PIC mid-range devices typically outperform apparent clock-frequency competitors on real code.
Typical applications include industrial control panels, low-end remote keyless entry, small appliance controllers, security-system keypads, simple sensor interfaces, and battery-backed instrumentation where the LC variant's 3.0V minimum supply enables direct Li-ion or 3xAA operation. The wide 22-I/O count in a 28-pin SPDIC package provides headroom for matrix keypads and 7-segment displays.
When designing with this device, ensure the in-circuit serial programming (ICSP) clock (RB6/ICSPCLK) and data (RB7/ICSPDAT) pins are accessible via a header, since OTP parts cannot be erased and re-flashed during development - typically a PIC16F equivalent is used for bring-up and the LC OTP version is fitted only for production.
Bộ thay thế dễ dàng lắp đặt cho PIC16LC63-04/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 PIC16LC63-04/SP (cùng hình factor và footprint) — khác nhau ở Package, Program Memory Type, Family, Mounting Type, Timers.
PIC16LC63-04/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LC63-04I/SP
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F873A-04/SP
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F876A-04/SP
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LC63-04I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LC63-04/SP Tỷ lệ tối đa & tính chất điện
| Product Type | 8-bit Microcontroller (MCU) |
| Family | PIC16C6x (mid-range) |
| Program Memory | 7 KB OTP |
| RAM | 192 bytes |
| I/O Pins | 22 |
| Maximum Clock Speed | 4 MHz (-04 speed grade) |
| Supply Voltage Range | 3.0 V to 6.0 V |
| Khoảng nhiệt độ hoạt động | 0 C to +70 C (commercial, no "I" suffix) |
| Hộp | 28-pin SPDIP (Skinny Plastic DIP, tube) |
| Instruction Set | 35 single-word instructions (RISC) |
| Instruction Width | 14-bit |
| Architecture | Harvard (separate program/data buses) |
| Timers | TMR0 (8-bit), TMR1 (16-bit), TMR2 (8-bit with period register), WDT |
| Communication Peripherals | USART (9-bit addressable), SSP (SPI / I2C) |
| ADC | 8-bit, up to 8 channels |
| Program Memory Type | OTP (One-Time Programmable) |
| Kiểu lắp đặt | Through-Hole (SPDIP) |
Cấu hình chân PIC16LC63-04/SP
| Chân 1 | MCLR/VPP — Master Clear (reset) input / programming voltage |
| Chân 2 | RA0/AN0 — Port A bit 0 / analog input 0 |
| Chân 3 | RA1/AN1 — Port A bit 1 / analog input 1 |
| Chân 4 | RA2/AN2 — Port A bit 2 / analog input 2 |
| Chân 5 | RA3/AN3/VREF — Port A bit 3 / analog input 3 / ADC reference |
| Chân 6 | RA4/TOCKI — Port A bit 4 / TMR0 clock input |
| Chân 7 | RA5/AN4/SS — Port A bit 5 / analog input 4 / SSP slave-select |
| Chân 8 | OSC2/CLKOUT — Oscillator output / clock output |
| Chân 9 | OSC1/CLKIN — Oscillator input / external clock input |
| Chân 10 | RC0/T1OSO/T1CKI — Port C bit 0 / TMR1 oscillator output / TMR1 clock |
| Chân 11 | RC1/T1OSI/CCP2 — Port C bit 1 / TMR1 oscillator input / CCP2 |
| Chân 12 | RC2/CCP1 — Port C bit 2 / CCP1 PWM/capture/compare |
| Chân 13 | RC3/SCK/SCL — Port C bit 3 / SPI clock / I2C clock |
| Chân 14 | RC4/SDI/SDA — Port C bit 4 / SPI data in / I2C data |
| Chân 15 | RC5/SDO — Port C bit 5 / SPI data out |
| Chân 16 | RC6/TX/CK — Port C bit 6 / USART TX / clock |
| Chân 17 | RC7/RX/DT — Port C bit 7 / USART RX / data |
| Chân 18 | VSS — Ground |
| Chân 19 | VDD — Positive supply |
| Chân 20 | RB0/INT — Port B bit 0 / external interrupt |
| Chân 21 | RB1 — Port B bit 1 |
| Chân 22 | RB2 — Port B bit 2 |
| Chân 23 | RB3 — Port B bit 3 |
| Chân 24 | RB4 — Port B bit 4 |
| Chân 25 | RB5 — Port B bit 5 |
| Chân 26 | RB6/ICSPCLK — Port B bit 6 / ICSP clock |
| Chân 27 | RB7/ICSPDAT — Port B bit 7 / ICSP data |
| Chân 28 | VSS — Ground (second VSS pin) |
Ứng dụng tiêu biểu
PIC16LC63-04/SP phù hợp cho 6 Áp dụngs: Industrial Control Panel MCU, Remote Keyless Entry (RKE) and Access Control, Small Appliance and White-Goods Controller, Battery-Backed Sensor Hub, Security System Keypad and PIR Panel, Educational and Hobbyist Development Platform.
Industrial Control Panel MCU
The PIC16LC63-04/SP suits industrial control panels where 22 I/O pins drive matrix keypads and 7-segment displays. Its 3.0V-6.0V VDD range accepts 24V-derived industrial rails after regulation, and its 8-bit ADC reads up to 8 sensor channels (temperature, pressure, current sense) at up to 4 MHz oscillator. The USART with 9-bit addressable mode connects to RS-485 multi-drop networks, and the SSP block supports I2C or SPI sensors. The 35-instruction RISC core compiles ladder-logic-style code with predictable 1-cycle execution, simplifying deterministic control loops in factory-automation HMIs.
Được đề xuất
Remote Keyless Entry (RKE) and Access Control
The PIC16LC63-04/SP fits RKE fobs and keypad access controllers because the LC process draws minimal quiescent current for battery operation at 3.0V. The 4 MHz oscillator and 35-instruction set handle rolling-code encryption and keypad scanning efficiently, while 192 bytes RAM buffer incoming RF payloads and 22 I/O drive LED indicators, piezo buzzers, and relay coils. Wide 3.0V-6.0V input allows 2xAA or 3xAA direct connection, and the SSP block decodes incoming Manchester-coded ASK/FSK receiver data streams from companion RF receivers.
Được đề xuất
Small Appliance and White-Goods Controller
The PIC16LC63-04/SP serves in washing-machine, dishwasher, and microwave user-interface boards where 22 I/O lines scan membrane keypads and drive 7-segment or LCD character displays. Its USART provides diagnostic logging to factory test fixtures, while TMR2 generates PWM for solenoid drivers and buzzer tones. The 7 KB OTP memory holds fixed-function appliance firmware with one-time code protection to lock in production firmware. The -04 speed grade delivers 1 MIPS, sufficient for user-interface event loops and triac-based heater control at 50/60 Hz.
Được đề xuất
Battery-Backed Sensor Hub
The PIC16LC63-04/SP operates as a battery-backed sensor hub collecting data from SPI or I2C sensors and forwarding over the USART to a host. Its wide 3.0V-6.0V supply accepts Li-ion or 4xAA battery packs directly, and the 8-bit ADC reads up to 8 analog channels for thermistor, photodiode, or 4-20 mA sensor inputs. SLEEP mode plus WDT draws microamp-level standby current, making the LC process suited to multi-year battery deployments. The 7 KB OTP code space accommodates pre-tested sensor-fusion routines with no field firmware updates required.
Được đề xuất
Security System Keypad and PIR Panel
The PIC16LC63-04/SP anchors security-system keypads and PIR motion-detector panels where 22 I/O scan matrix keypads, drive piezo sirens, and read multiple passive-infrared sensors via ADC. Its 3.0V-6.0V operation allows direct connection to backup-battery stacks, and the on-chip USART reports alarm events to central panels over RS-485. The OTP program memory with code protection prevents firmware cloning, while the WDT guards against firmware lockups in unattended installations. Programmable code protection also resists unauthorized code extraction.
Được đề xuất
Educational and Hobbyist Development Platform
The PIC16LC63-04/SP and its SPDIP-28 form factor is a classic PIC microcontroller teaching platform on breadboards and trainers. Through-hole SPDIP leads make hand-soldering and IC-socket use practical in lab settings. The 35-instruction mid-range set introduces students to Harvard architecture, interrupts, and peripherals (USART, ADC, timers) without overwhelming complexity. The LC low-voltage process teaches safe 3.3V-5V dual-supply design, and PICkit programmers debug the device over ICSP using RB6/ICSPCLK and RB7/ICSPDAT.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16LC63-04/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 | PIC16LC63-04/SO | PIC16LC63-04I/SP | PIC16F873A-04/SP | PIC16F876A-04/SP |
|---|---|---|---|---|---|
| Package | SPDIP-28 (through-hole) | SOIC-28 | SPDIP-28 - same | SPDIP-28 - same | SPDIP-28 - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory | 7 KB OTP | 7 KB OTP | 7 KB OTP | 7 KB Flash | 14 KB Flash |
| Max Clock Speed | 4 MHz (-04 grade) | 4 MHz | 4 MHz | 4 MHz (also available -20 at 20 MHz) | 4 MHz (also available -20 at 20 MHz) |
| Supply Voltage Range | 3.0 V to 6.0 V | 3.0 V to 6.0 V | 3.0 V to 6.0 V | 2.0 V to 5.5 V | 2.0 V to 5.5 V |
| Operating Temperature | 0 C to +70 C | 0 C to +70 C | -40 C to +85 C | 0 C to +70 C | 0 C to +70 C |
| ADC Resolution | 8-bit, 8 channels | 8-bit, 8 channels | 8-bit, 8 channels | 10-bit, 5 channels | 10-bit, 5 channels |
| In-Circuit Reprogrammable | No (OTP) | No (OTP) | No (OTP) | Yes (Flash) | Yes (Flash) |
| Lifecycle Status | NRND | NRND | Active | Active | Active |
Bảo phân biệt quan trọng
- Wider 3.0 V to 6.0 V VDD vs PIC16C63-04/SP 4.0 V to 5.5 V (vsPIC16C63-04/SP)
- Flash memory for in-circuit reprogramming (vsPIC16F873A-04/SP)
- Same SPDIP-28 footprint and pinout as legacy PIC16C63 (vsPIC16F876A-04/SP)
- Surface-mount SOIC-28 variant for SMD assembly (vsPIC16LC63-04/SO)
Ghi chú thiết kế
The PIC16LC63-04/SP's LC low-voltage CMOS process draws lower quiescent current than the original PIC16C63 EPROM process but still needs a 100 nF decoupling capacitor within 5 mm of VDD (pin 11) and a 10 uF bulk capacitor at the SPDIP socket. Brown-out voltage is not internally configured on -04 grade, but PIC16B-style variants are not offered in the LC family; if VDD brown-out protection is required, use the PIC16F873A which adds BOD. Estimated: VDD current at 4 MHz and 5 V is approximately 2 mA active / 1 uA SLEEP per the PIC16C6x datasheet family characteristic curves.
Critical pitfall: the PIC16LC63 uses OTP memory and cannot be electrically erased, so any firmware bug locked into production cannot be field-updated. Always develop on a PIC16F873A in the same 28-pin SPDIP and only fit the LC63 into production once firmware is locked. Also ensure RB6/ICSPCLK (pin 26) and RB7/ICSPDAT (pin 27) are accessible on the PCB - many LC63 designs wire these as general-purpose I/O and lose in-system-programming capability, which then forces socketed firmware replacement.
Layout consideration: place the 4 MHz crystal or resonator close to OSC1 (pin 9) and OSC2 (pin 8) with short traces to minimize parasitic capacitance. Add a 1 M-ohm parallel resistor across the crystal for stable oscillation. For through-hole SPDIP, keep analog traces (RA0-RA5) away from digital switching lines (RC0-RC7) to avoid ADC noise coupling; the 8-bit ADC has limited resolution and is easily corrupted by digital crosstalk on shared ground returns.
Thông tin tuân thủ
RoHS and REACH status for PIC16LC63-04/SP not explicitly stated in the verified web data; the older PIC16LC63 family predates many RoHS transition dates and some variants are non-compliant - check the specific lot with the manufacturer before use in RoHS-restricted products. AEC-Q100 not applicable (consumer-grade commercial temperature part).
