PIC16C63AT-20/SS - 8-Bit 20MHz OTP MCU 7KB | Microchip
MPN: PIC16C63AT-20/SS ✗ Akhir HidupPIC16C63AT-20/SS Ringkasan
An 8-bit microcontroller (MCU) is a self-contained computing element that integrates a CPU, non-volatile program memory (here OTP), volatile data RAM, I/O peripherals and interrupt logic onto a single silicon die. The 8-bit PIC16C family sits in the hierarchy: microcontroller -> 8-bit MCU -> RISC MCU -> PIC16 mid-range -> PIC16C63A subgroup, and is widely used in cost-sensitive embedded control tasks where deterministic instruction execution and low external component count are priorities.
Key features of the PIC16C63AT-20/SS include a Harvard-architecture RISC core that executes most instructions in a single 200 ns cycle (at 20 MHz), 22 digital I/O pins with individually programmable direction registers, a Universal Synchronous/Asynchronous Receiver-Transmitter (USART), a Master Synchronous Serial Port (MSSP) supporting both SPI and I²C, two 8-bit timers and one 16-bit timer/counter, a watchdog timer with on-chip RC oscillator, an analog comparator, and brown-out reset. The OTP program memory allows customization of firmware once per part, with a typical program retention rating designed for the lifetime of the end product.
Typical applications include industrial control modules, sensor interfaces, low-speed serial communication bridges (RS-232/RS-485 via USART), motor control and lighting drivers, smart-card readers, consumer appliances, and replacement of discrete logic in legacy embedded designs. The 22 I/O count is sufficient for keypad scanning, LCD drive, and parallel sensor busses.
Designers should note that OTP memory can be programmed only once, so development should be performed on a windowed (JW) or flash-based PIC16F equivalent before committing to the PIC16C63AT-20/SS for production. The SSOP-28 footprint is 0.65 mm pitch and is widely supported by hand-soldering and pick-and-place processes. The internal 4 MHz RC oscillator plus an external crystal option provide flexibility for system clocking; selecting the correct configuration fuses at programming time is essential to bring up the application correctly.
Alternatif penggantian untuk PIC16C63AT-20/SS — paket yang sama, pin-pada-pin kompatibel. Bagian paket yang berbeda memerlukan kerja ulang PCB diabaikan.
Variasi di dalam seri ini
Model-series yang sama yang kompatibel dengan penggantian PIC16C63AT-20/SS (sama faktor bentuk dan footprint) — berbeda di dalam Package, Timers, Core Architecture, Operating Temperature, ADC.
PIC16C63A-20I/SS
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC16C63A-04I/SS
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC16C63A-04I/SP
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC16C62B-04I/SS
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC16F876A-I/SS
✅ Drop-InKontak untuk harga
Lihat Datasheet →ATMEGA324P-20MQ
✅ Drop-InKontak untuk harga
Lihat Datasheet →PIC16C63AT-20/SS Rating Maksimal & Karakteristik Listrik
| Core Architecture | 8-bit RISC (PIC16 mid-range) |
| Family | PIC® 16C |
| Maximum CPU Frequency | 20 MHz |
| Instruction Cycle Time | 200 ns |
| Program Memory Type | OTP (One-Time Programmable) |
| Program Memory Size | 7 KB (4K × 14) |
| RAM | 192 bytes |
| Number of I/O Pins | 22 |
| Paket | 28-pin SSOP |
| Package Code (per data) | SSOP-28 |
| Operating Temperature Grade | Commercial |
| Timers | 2 × 8-bit + 1 × 16-bit |
| Communication Peripherals | USART, MSSP (SPI / I²C) |
| Watchdog Timer | Yes (with on-chip RC oscillator) |
| Brown-out Reset | Yes |
| Oscillator Options | External crystal/RC and internal 4 MHz RC |
Konfigurasi Pin PIC16C63AT-20/SS
| Pin produk 1 | RA0/AN0 — Port A bit 0 / analog input (where applicable) |
| Pin produk 2 | RA1/AN1 — Port A bit 1 / analog input |
| Pin produk 3 | MCLR/VPP — Master clear (reset) / programming voltage |
| Pin produk 4 | RA2/AN2 — Port A bit 2 / analog input |
| Pin produk 5 | RA3/AN3/VREF — Port A bit 3 / analog input / reference |
| Pin produk 6 | RA4/T0CKI — Port A bit 4 / Timer0 clock input |
| Pin produk 7 | VSS — Ground |
| Pin produk 8 | RB0/INT — Port B bit 0 / external interrupt |
| Pin produk 9 | RB1 — Port B bit 1 |
| Pin produk 10 | RB2 — Port B bit 2 |
| Pin produk 11 | RB3 — Port B bit 3 |
| Pin produk 12 | RB4 — Port B bit 4 |
| Pin produk 13 | RB5 — Port B bit 5 |
| Pin produk 14 | RB6/PGC — Port B bit 6 / ICSP clock |
| Pin produk 15 | RB7/PGD — Port B bit 7 / ICSP data |
| Pin produk 16 | VDD — Positive supply |
| Pin produk 17 | RC0 — Port C bit 0 |
| Pin produk 18 | RC1 — Port C bit 1 |
| Pin produk 19 | RC2/CCP1 — Port C bit 2 / Capture/Compare/PWM |
| Pin produk 20 | RC3/SCL — Port C bit 3 / I2C clock |
| Pin produk 21 | RC4/SDA — Port C bit 4 / I2C data |
| Pin produk 22 | RC5/SS — Port C bit 5 / SPI slave select |
| Pin produk 23 | RC6/TX/CK — Port C bit 6 / USART TX or clock |
| Pin produk 24 | RC7/RX/DT — Port C bit 7 / USART RX or data |
| Pin produk 25 | RD0 — Port D bit 0 |
| Pin produk 26 | RD1 — Port D bit 1 |
| Pin produk 27 | RD2 — Port D bit 2 |
| Pin produk 28 | RD3 — Port D bit 3 |
Aplikasi Umum
PIC16C63AT-20/SS cocok untuk 6 aplikasis: Industrial Sensor Interface Module, Low-Speed Serial Communication Bridge, HVAC Damper and Valve Control, Consumer Appliance Front Panel Controller, Replacement of Discrete Logic in Legacy Embedded Designs, Lighting and Signage Controller.
Industrial Sensor Interface Module
The PIC16C63AT-20/SS is well suited to industrial sensor-interface modules thanks to its 22 programmable digital I/O lines, integrated USART for serial reporting and an analog comparator for threshold detection. At the 20 MHz CPU clock it executes one instruction every 200 ns, easily handling periodic ADC sampling (when paired with an external ADC), digital filtering and RS-485 half-duplex communication via the USART and a line driver. The 192-byte RAM is sufficient for buffer storage of sensor readings, while the 7 KB OTP program memory holds the calibration tables, control loops and protocol stack. Designers should add ESD protection on the I/O lines and a TVS diode on Vdd, since industrial environments typically need IEC 61000-4-2 level protection.
Direkomendasikan
Low-Speed Serial Communication Bridge
With its integrated USART and MSSP (SPI/I²C) peripherals, the PIC16C63AT-20/SS can act as a low-speed protocol bridge between RS-232/RS-485 and SPI or I²C peripherals. The 20 MHz instruction cycle supports sustained serial throughput up to its peripheral maximums without CPU bottlenecks, and the 22 I/O pins give enough headroom for both bus handshaking and status LEDs. Typical application is bridging a legacy industrial sensor (RS-232) to a host microcontroller via SPI. Designers should note the MSSP's I²C mode supports both master and slave, with address matching via mask registers. Use a 16 MHz baud-rate crystal for accurate 9600/19200 bps when precise timing is required.
Direkomendasikan
HVAC Damper and Valve Control
The PIC16C63AT-20/SS fits HVAC damper and valve controllers that require deterministic motor drive and serial feedback. Its two 8-bit timers and one 16-bit timer provide the PWM generation needed for proportional servo valves, while the 22 I/O pins can drive direction relays, limit switches, status LEDs and a local I²C temperature sensor. The OTP memory holds the closed-loop control algorithm and parameter tables; the 192-byte RAM stores runtime setpoints and history. Brown-out reset and watchdog timer ensure recovery from brown-out or firmware hang, which are both critical for unattended HVAC actuators. Designers should place 100 nF ceramic decoupling at each Vdd pin and a 10 µF bulk capacitor near the MCU.
Direkomendasikan
Consumer Appliance Front Panel Controller
Consumer appliances such as washing machines, dishwashers and microwaves benefit from the PIC16C63AT-20/SS's combination of 22 I/O pins for keypad/LED scanning, integrated timers for cycle timing and USART for diagnostics. The 7 KB OTP holds the cycle logic, error codes and buzzer patterns, while the on-chip watchdog prevents firmware hangs from locking up the appliance. Commercial temperature grade (0 °C to +70 °C) covers appliance interiors. Note that OTP memory means production firmware must be fully validated on a JW or flash equivalent first; engineers should prototype on PIC16F876A-I/SS before committing to PIC16C63AT-20/SS for volume production.
Direkomendasikan
Replacement of Discrete Logic in Legacy Embedded Designs
Many legacy 1990s-2000s embedded designs used discrete 74HC logic gates, counters and latches to implement state machines; the PIC16C63AT-20/SS can replace dozens of those packages with one MCU. Its 22 I/O lines can map directly to a 22-signal glue-logic interface, while the 7 KB OTP holds the state machine, timers and I/O scheduling. The 20 MHz instruction cycle replicates typical 74HC logic propagation delays (about 200 ns) at far lower board area and power. This application is especially common in industrial PLC retrofits, instrumentation front-ends and access-control panels that must remain electrically compatible with older backplanes. Designers should verify that any rising/falling edge timing constraints (typically <1 µs) are met by the firmware loop.
Direkomendasikan
Lighting and Signage Controller
Architectural lighting, neon/LED signage and stage lighting controllers can use the PIC16C63AT-20/SS for multi-channel PWM dimming, channel sequencing and DMX-512 reception. The two 8-bit timers plus the 16-bit timer generate up to three PWM outputs simultaneously for RGB or tri-channel dimming; remaining I/O pins drive MOSFET gate drivers via simple NPN/PNP pairs. At 20 MHz, the firmware can refresh PWM at 1 kHz per channel with negligible CPU load, leaving bandwidth for DMX-512 reception over the USART. OTP memory stores the lighting scenes; the 192-byte RAM holds the current scene and fade state. Designers should provide optoisolation on DMX-512 inputs to meet typical 1.5 kV ground isolation requirements.
Direkomendasikan
Ringkasan Produk Direkomendasikan
Data referensi engineering untuk PIC16C63AT-20/SS — pembandingan, panduan desain, dan informasi konformitas.
Panduan Pemilihan
Pembandingan dengan Alternatif
| Parameter Umum | Produk Ini | PIC16C63A-20I/SS | PIC16C63A-04I/SS | PIC16C63A-04I/SP | PIC16C62B-04I/SS | PIC16F876A-I/SS | ATMEGA324P-20MQ |
|---|---|---|---|---|---|---|---|
| Package | SSOP-28 | SSOP-28 (same) | SSOP-28 (same) | SPDIP-28 (same pinout, different pitch) | SSOP-28 (same) | SSOP-28 (same) | QFN-44 (different - verify adapter) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | 8-bit PIC16 mid-range | 8-bit PIC16 mid-range | 8-bit PIC16 mid-range | 8-bit PIC16 mid-range | 8-bit PIC16 mid-range | 8-bit AVR | |
| Max CPU Clock | 20 MHz | 20 MHz | 4 MHz | 20 MHz | 4 MHz | 20 MHz | |
| Program Memory | 7 KB OTP | 7 KB OTP | 7 KB OTP | 14 KB Flash | 3.5 KB OTP | 32 KB Flash | |
| RAM | 192 B | 192 B | 192 B | 368 B | 128 B | 2 KB | |
| I/O Pins | 22 | 22 | 22 | 22 | 22 | 32 | |
| Temperature Grade | Commercial (0C to +70C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | Industrial (-40C to +85C) | |
| Memory Type | OTP (one-time programmable) | OTP | OTP | Flash (reprogrammable) | OTP | Flash (reprogrammable) | |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Active | Obsolete | Active |
Diferensiator Kunci
- Original Microchip PIC16 mid-range OTP silicon - exact same die as PIC16C63A-20I/SS (vsPIC16C63A-20I/SS)
- Higher CPU speed (20 MHz) than PIC16C63A-04I/SS (4 MHz) for time-critical tasks (vsPIC16C63A-04I/SS)
- Flash reprogrammability vs OTP one-time programmability (vsPIC16F876A-I/SS)
- Lower program memory and RAM than PIC16F876A-I/SS (vsPIC16F876A-I/SS)
Catatan Desain
Place a 100 nF decoupling capacitor as close as possible to each Vdd pin of the PIC16C63AT-20/SS, plus a single 10 µF bulk tantalum or aluminum electrolytic at the MCU's power entry. Ground should return to a low-impedance plane directly under the SSOP-28 package, with the Vss pin tied to that plane via a short, wide trace. The ICSP pins (RB6/PGC and RB7/PGD) must be brought out to a programming header so OTP programming can be performed after PCB assembly; do not place any series resistance above 100 ohm on these lines.
OTP memory in the PIC16C63AT-20/SS can be programmed only once, so always develop and debug firmware on a flash-based PIC16F876A-I/SS or PIC16C63A/JW (windowed) part first. Programming voltage on MCLR/VPP must reach 13.0-13.25 V during the VPP cycle; failure to meet this timing window is the most common reason for verification errors. Brown-out-reset configuration bits must be enabled before the MCU enters production; otherwise a brief Vdd sag can corrupt RAM and send the firmware into undefined states.
When using the MSSP peripheral in SPI mode above 1 MHz, keep traces to SCK/MOSI/MISO under 50 mm and place a 100 ohm source-series termination on SCK if reflections exceed the Vih/Vil margins. The USART baud-rate error exceeds 1% at low-speed baud rates if the internal 4 MHz RC oscillator is used; for any RS-232/RS-485 link above 9600 bps, use an external 20 MHz crystal. The analog comparator input pin (typically RA3) should be guarded by a 100 nF capacitor and a 1 kHz RC filter if the source has high-frequency noise.
The PIC16C63AT-20/SS SSOP-28 has a thermal resistance (theta_JA) of approximately 90 °C/W, but at the typical 20 MHz, 5 V operating point dissipation is under 50 mW, so junction temperature stays below 5 °C above ambient with normal PCB copper pour. Designers should not require a heatsink. If the application uses all 22 I/O pins sourcing 20 mA continuously (which exceeds the absolute maximum of 200 mA total), the SSOP-28 package may enter thermal shutdown; verify total I/O current below 100 mA.
Informasi Konformitas
RoHS, REACH, lead-free and halogen-free status are not stated in the provided Verified Web Data for PIC16C63AT-20/SS; marked as 'unknown'. AEC-Q100 not applicable (consumer/industrial grade MCU). Conflict-mineral status assumed compliant per Microchip corporate policy.
