PIC16C63AT-20/SO - 8-bit OTP MCU, 7KB, 20MHz, 28-SOIC | Microchip
MPN: PIC16C63AT-20/SO ✗ Cuối đờiPIC16C63AT-20/SO Tóm tắt
An 8-bit microcontroller (MCU) is a single-chip computer integrating an 8-bit CPU core, program memory (ROM/Flash/OTP), data RAM, I/O peripherals, and timers onto one silicon die. The PIC16C63A belongs to Microchip's PIC16C mid-range architecture, sitting within the broader hierarchy of PIC microcontrollers -> 8-bit MCU -> microcontroller -> embedded controller -> semiconductor. Its Harvard RISC architecture with only 35 single-word instructions enables predictable 200ns instruction execution at 20MHz, simplifying both assembly and C code development.
Key features include 22 I/O pins supporting digital I/O, three 8-bit timers (Timer0, Timer1, Timer2) and two Capture/Compare/PWM (CCP) modules, a USART for asynchronous/synchronous serial communication, an MSSP module supporting SPI and I2C, and a 10-bit multi-channel analog-to-digital converter for mixed-signal applications. The device integrates brown-out detect and a watchdog timer for enhanced reliability in commercial-grade operating environments.
The PIC16C63A uses a 14-bit instruction word optimized for compiled code density, and the OTP memory supports field programming during prototyping. Internal oscillator options and the wide 2.5V to 5.5V supply range (specific to the 'A' silicon revision) allow flexible power tree design. The architecture's deterministic interrupt response and single-cycle multiplication make it well suited to real-time control loops.
Typical applications include industrial automation control boards, HVAC thermostat controllers, automotive body electronics (under-hood modules require the 'I' grade), consumer appliance control, and small sensor interface boards. The integrated USART and MSSP peripherals support bridging to RS-232/RS-485 networks and sensor buses.
When designing with the PIC16C63AT-20/SO, note the commercial temperature grade (0C to +70C); for extended industrial or automotive deployments, choose the PIC16C63AT-20I/SO variant. Decoupling requires a 100nF ceramic capacitor adjacent to VDD with bulk capacitance sized per load. The 'T' suffix indicates tape-and-reel packaging for high-volume assembly lines.
Bộ thay thế dễ dàng lắp đặt cho PIC16C63AT-20/SO — 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 PIC16C63AT-20/SO (cùng hình factor và footprint) — khác nhau ở Package, Timers, Program Memory Size, Program Memory Type, Core Architecture.
PIC16C63A-20/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16C63A-20I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16C63A-20E/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16C63-20/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16C63-10/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16C63-20I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16C63AT-20/SO Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC 8-bit RISC (Harvard) |
| Program Memory Type | OTP (One-Time Programmable) |
| Program Memory Size | 7 KB (4K x 14 bits) |
| RAM Size | 192 bytes |
| Tần số xung maksimum | 20 MHz |
| Instruction Cycle Time | 200 ns |
| Điện áp cung cấp | 4.0 V to 5.5 V |
| I/O Pin Count | 22 |
| ADC | 10-bit multi-channel |
| Timers | 3 x 8-bit (Timer0/1/2) |
| CCP Modules | 2 (Capture/Compare/PWM) |
| Serial Interfaces | USART + MSSP (SPI/I2C) |
| Hộp | 28-SOIC (7.50 mm width) |
| Nhiệt độ hoạt động | 0 C to +70 C (Commercial) |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 1 (Unlimited) |
| Trạng thái RoHS | Non-Compliant (legacy OTP) |
| Lead-Free | No (contains lead in finish) |
| Packaging | Tape & Reel (T-suffix) |
Cấu hình chân PIC16C63AT-20/SO
| Chân 1 | MCLR — Master Clear (Reset) input, active low |
| 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 / VREF+ |
| Chân 6 | RA4/T0CKI — PORTA bit 4 / Timer0 clock input |
| Chân 7 | RA5/AN4/SS — PORTA bit 5 / Analog input 4 / SPI slave select |
| Chân 8 | RE0/RD/AN5 — PORTE bit 0 / Read control / Analog input 5 |
| Chân 9 | RE1/WR/AN6 — PORTE bit 1 / Write control / Analog input 6 |
| Chân 10 | RE2/CS/AN7 — PORTE bit 2 / Chip select / Analog input 7 |
| Chân 11 | VDD — Positive power supply (+5V) |
| Chân 12 | VSS — Ground reference |
| Chân 13 | OSC1/CLKIN — Oscillator input / external clock |
| Chân 14 | OSC2/CLKOUT — Oscillator output / clock out |
| Chân 15 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output |
| Chân 16 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 |
| Chân 17 | RC2/CCP1 — PORTC bit 2 / CCP1 PWM output |
| Chân 18 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| Chân 19 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| Chân 20 | RC5/SDO — PORTC bit 5 / SPI data out |
| Chân 21 | RC6/TX/CK — PORTC bit 6 / USART TX / clock |
| Chân 22 | RC7/RX/DT — PORTC bit 7 / USART RX / data |
| Chân 23 | RB0/INT — PORTB bit 0 / External interrupt |
| Chân 24 | RB1 — PORTB bit 1 |
| Chân 25 | RB2 — PORTB bit 2 |
| Chân 26 | RB3 — PORTB bit 3 |
| Chân 27 | RB4 — PORTB bit 4 |
| Chân 28 | RB5 — PORTB bit 5 |
Ứng dụng tiêu biểu
PIC16C63AT-20/SO phù hợp cho 6 Áp dụngs: Industrial Automation Controller, HVAC Thermostat Controller, Consumer Appliance Control Board, Automotive Body Electronics, Sensor Interface Module, Small Motor Control (BLDC/PWM).
Industrial Automation Controller
The PIC16C63AT-20/SO fits industrial control boards because its 20MHz core delivers 5 MIPS with deterministic 200ns interrupt latency, essential for PLC scan loops and motor-control timing. The 22 I/O pins drive relays, optocouplers, and discrete sensors directly, while the integrated USART bridges to RS-485 field networks. Three timers plus two CCP modules generate PWM for proportional valve control and frequency-to-voltage conversion. The 10-bit ADC samples 4-20mA loop signals with sufficient resolution for process-variable feedback. For panel-mount controls the commercial 0-70C range is adequate; chassis-mount deployments should migrate to the PIC16C63AT-20I/SO industrial variant in the same 28-SOIC footprint.
Được đề xuất
HVAC Thermostat Controller
The PIC16C63AT-20/SO is well suited to HVAC thermostat main boards: the 14-bit instruction width executes the control algorithm efficiently, and 7KB OTP holds scheduler tables, hysteresis curves, and serial bootloader code. The 10-bit ADC reads thermistor-divider voltage with better than 0.5C resolution across the residential comfort band. CCP modules drive triac firing pulses for compressor and fan control, while the USART supports Modbus or BACnet MS/TP communication to building management systems. The 28-SOIC package profile fits slim wall-mount enclosures, and the integrated brown-out reset prevents lock-up during brown-out conditions common in legacy HVAC wiring.
Được đề xuất
Consumer Appliance Control Board
The PIC16C63AT-20/SO serves as the main MCU in washing-machine controllers, dishwasher panels, and microwave user interfaces. Its 22 I/O lines handle keypad scanning, 7-segment LED or LCD drive, and relay switching for solenoid valves and heater elements. The MSSP module supports I2C to EEPROM for user-setting storage and SPI to dot-matrix displays. PWM outputs control universal motor speed via triac phase-angle firing. OTP memory locks the firmware to prevent field-tampering of safety-critical appliance logic, and the small 28-SOIC footprint fits space-constrained appliance chassis while keeping BOM cost low for high-volume consumer products.
Được đề xuất
Automotive Body Electronics
For under-dash body controllers - window lifts, mirror adjusters, seat controls - the PIC16C63AT-20/SO is unsuitable due to its commercial 0-70C temperature rating. Designers should specify the PIC16C63AT-20I/SO industrial variant, which retains the same 28-SOIC footprint and pinout but operates across -40C to +85C. The MCU's PWM channels drive DC motor H-bridges, the ADC reads current-sense amplifiers for stall detection, and the USART supports LIN bus communication for body electronics. Watchdog timer and brown-out reset ensure recovery from load-dump transients, although AEC-Q100 Grade 0 qualification is absent for this family.
Được đề xuất
Sensor Interface Module
The PIC16C63AT-20/SO works well in industrial sensor-interface modules reading strain gauges, pressure transducers, and process-level signals. Its 10-bit ADC with multiple channels handles bridge-sensor ratiometric measurements, while the MSSP in SPI mode interfaces to digital sensor front-ends. The 192-byte SRAM holds calibration constants, and 7KB OTP stores linearization tables for non-linear sensors. The USART converts Modbus RTU or proprietary protocols to USB or RS-485 for SCADA integration. With 20MHz throughput, the MCU performs 1kHz sample rates with linearization in real time - adequate for most industrial monitoring nodes.
Được đề xuất
Small Motor Control (BLDC/PWM)
The PIC16C63AT-20/SO drives small brushless DC and brushed DC motors in pumps, fans, and small appliances. Its two CCP modules produce complementary PWM outputs with programmable dead-band insertion for half-bridge drivers. Timer0 in counter mode reads Hall-sensor feedback for commutation, and the ADC monitors back-EMF for sensorless control schemes. The 20MHz clock yields 200ns PWM resolution at 8-bit duty - adequate for fans and small pumps under 100W. For variable-frequency operation the MSSP drives intelligent power modules over SPI, while brown-out reset prevents MOSFET shoot-through during low-voltage transients.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16C63AT-20/SO — 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 | PIC16C63A-20/SO | PIC16C63A-20I/SO | PIC16C63A-20E/SO | PIC16C63-20/SO | PIC16C63-10/SO | PIC16C63-20I/SO |
|---|---|---|---|---|---|---|---|
| Package | 28-SOIC | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Architecture | PIC16C mid-range 8-bit | PIC16C mid-range 8-bit | PIC16C mid-range 8-bit | PIC16C mid-range 8-bit | PIC16C mid-range 8-bit (original) | PIC16C mid-range 8-bit (original) | PIC16C mid-range 8-bit (original) |
| Max Clock Frequency | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 10 MHz | 20 MHz |
| Operating Temperature | 0 C to +70 C (Commercial) | 0 C to +70 C | -40 C to +85 C | -40 C to +125 C | 0 C to +70 C | 0 C to +70 C | -40 C to +85 C |
| Silicon Revision | A (enhanced) | A (enhanced) | A (enhanced) | A (enhanced) | Original (non-A) | Original (non-A) | Original (non-A) |
| Program Memory | 7 KB OTP | 7 KB OTP | 7 KB OTP | 7 KB OTP | 7 KB OTP | 7 KB OTP | 7 KB OTP |
| Packaging Format | Tape & Reel (T-suffix) | Tube | Tube | Tube | Tube | Tube | Tube |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Bảo phân biệt quan trọng
- Tape-and-reel packaging for high-volume SMT assembly (vsPIC16C63A-20/SO)
- A-silicon revision with enhanced peripheral set (vsPIC16C63-20/SO (original silicon))
- Commercial 0-70C temperature grade matches indoor appliances (vsPIC16C63A-20I/SO)
Ghi chú thiết kế
Place a 100nF ceramic decoupling capacitor within 5mm of the VDD pin (pin 11) with the trace to ground kept short and direct. Add a 10uF tantalum bulk capacitor at the board entry point to suppress motor and relay switching transients. The PIC16C63A's brown-out detect thresholds (BOR) protect OTP code integrity during VDD dips; enable BOR via configuration bits to avoid executing corrupted instructions during slow power-down events.
Do not confuse the 'T' suffix (tape-and-reel packaging) with industrial temperature grade - the PIC16C63AT-20/SO is commercial (0C to +70C). For automotive or industrial deployments, specify the PIC16C63AT-20I/SO. MCLR (pin 1) must be tied to VDD through a 10k resistor with a 100nF cap to ground for proper reset; floating MCLR causes erratic behavior. OSC1/OSC2 require a crystal with 22pF load capacitors for stable oscillation across the full 20MHz spec.
The 28-SOIC land pattern follows JEDEC SO-127 standard with 1.27mm pin pitch. Keep analog inputs (RA0-RA5, RE0-RE2) routed away from digital switching traces to prevent ADC noise injection - add a ground guard ring around the analog section. Place the crystal within 10mm of OSC1/OSC2 pins with the load capacitors adjacent to the crystal can to minimize parasitic capacitance. For in-circuit serial programming (ICSP), dedicate test pads to RB6 (PGC) and RB7 (PGD) per Microchip programming specification.
Estimated: at 20MHz and 5V supply, the PIC16C63AT-20/SO typically draws 20mA active, dissipating 100mW - well within SOIC thermal limits (theta_JA ~70 C/W on 2-layer board, 50 C/W on 4-layer). No heatsink is required. However, in sealed enclosures above +60C ambient, junction rise can exceed 7C; derate clock speed to 10MHz using PIC16C63-10/SO variant for thermal margin. Industrial deployments (-40C to +85C) require the PIC16C63A-20I/SO variant which is qualified for the wider range.
Thông tin tuân thủ
PIC16C63AT-20/SO is non-RoHS compliant due to lead-bearing finish (legacy OTP product). Not AEC-Q100 qualified - not suitable for automotive safety-critical applications. REACH status compliant per Microchip product declarations.
