PIC16C57-LPE/SO - 8-Bit 40MHz OTP MCU 28-SOIC | Microchip
MPN: PIC16C57-LPE/SO ✓ فعالPIC16C57-LPE/SO جائزہ
A PIC (Peripheral Interface Controller) microcontroller is a compact, low-cost, programmable integrated circuit that combines a CPU core, non-volatile program memory, RAM, and configurable I/O peripherals on a single silicon die. PIC microcontrollers fall within the broader category of microcontrollers (MCUs), which are a sub-class of embedded processors under the semiconductor hierarchy. The PIC16C5X family specifically uses a 12-bit-wide instruction word, which delivers approximately 2:1 code compression versus competing 8-bit architectures and reduces program-memory footprint.
The PIC16C57-LPE/SO differentiates itself through an OTP program memory (factory- or field-programmable, not re-programmable in-circuit), a Harvard architecture with separate program and data buses, and a 33-instruction set that simplifies firmware authoring. It includes a Watchdog Timer for unattended operation, an 8-bit timer/counter (TMR0) with an 8-bit prescaler, and a Power-on Reset / Brown-out Reset combination. With only 20 usable I/O pins in a 28-pin package, the device is positioned at the lower end of the PIC16C5X line, suitable for cost-sensitive embedded control.
Typical applications include appliance controllers, automotive body-electronics subsystems (non-safety), industrial sensor interfaces, low-end remote-control transmitters, security keypads, and simple LED-driving / relay-driving logic replacement. Its extended-temperature grade makes it attractive for outdoor or semi-enclosed installations.
When designing with this device, note that OTP memory cannot be re-flashed; engineering samples or pre-production programming must use the -JW ceramic-windowed or -X (UV-erasable) variants. Programming requires a Microchip MPLAB PM3, PRO MATE II, or compatible third-party programmer; in-circuit debug is not supported on the PIC16C57.
This page synthesizes distributor stock/pricing, drop-in PIC16C5X family alternatives, and practical design notes not consolidated in the manufacturer datasheet alone.
کے لیے ڈراپ اِن متبادل PIC16C57-LPE/SO — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں PIC16C57-LPE/SO (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Program Memory Size, Core Architecture, Program Memory Type, Watchdog Timer.
PIC16C57-LPI/SO
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16C57-LP/SO
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16C57C-20/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C57C-20E/SO
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C55-LPE/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C56-LPE/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16C57-LPE/SO زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Product Family | PIC® 16C |
| Core | 8-bit PIC16C5X |
| Program Memory Size | 3 KB (2K x 12) OTP |
| RAM Size | 72 bytes |
| Number of I/O Pins | 20 |
| زیادہ سے زیادہ کلاک فریکوئنسی | 40 MHz |
| Instruction Width | 12-bit |
| Instruction Set | 33 instructions |
| پیکیج | 28-SOIC (0.295", 7.50mm width) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| Speed Grade | LPE (low-power, extended temperature) |
| Timers | TMR0 8-bit timer with 8-bit prescaler |
| Watchdog Timer | Yes |
| Power-on Reset / Brown-out Reset | Yes |
| In-Circuit Debug Support | No (not on PIC16C57 base die) |
| Oscillator Type | External RC / External Crystal / Internal (per variant) |
| RoHS اسٹیٹس | Compliant (lead-free SOIC) |
| MSL لیول | MSL 1 (unsealed SOIC, floor-life unlimited) |
PIC16C57-LPE/SO پن کنفیگریشن
| پن 1 | RA2 — Port A bit 2 (bidirectional I/O) |
| پن 2 | RA3 — Port A bit 3 (bidirectional I/O) |
| پن 3 | RTCC — RTCC timer/counter input / TMR0 clock |
| پن 4 | MCLR — Master Clear (Reset, active-low) |
| پن 5 | VSS — Ground reference |
| پن 6 | RB0 — Port B bit 0 (bidirectional I/O) |
| پن 7 | RB1 — Port B bit 1 (bidirectional I/O) |
| پن 8 | RB2 — Port B bit 2 (bidirectional I/O) |
| پن 9 | RB3 — Port B bit 3 (bidirectional I/O) |
| پن 10 | RB4 — Port B bit 4 (bidirectional I/O) |
| پن 11 | RB5 — Port B bit 5 (bidirectional I/O) |
| پن 12 | RB6 — Port B bit 6 (bidirectional I/O) |
| پن 13 | RB7 — Port B bit 7 (bidirectional I/O) |
| پن 14 | VSS — Ground reference |
| پن 15 | OSC1/CLKIN — Oscillator input / external clock in |
| پن 16 | OSC2/CLKOUT — Oscillator output / clock out |
| پن 17 | RC0 — Port C bit 0 (bidirectional I/O) |
| پن 18 | RC1 — Port C bit 1 (bidirectional I/O) |
| پن 19 | RC2 — Port C bit 2 (bidirectional I/O) |
| پن 20 | RC3 — Port C bit 3 (bidirectional I/O) |
| پن 21 | RC4 — Port C bit 4 (bidirectional I/O) |
| پن 22 | RC5 — Port C bit 5 (bidirectional I/O) |
| پن 23 | RC6 — Port C bit 6 (bidirectional I/O) |
| پن 24 | RC7 — Port C bit 7 (bidirectional I/O) |
| پن 25 | VDD — Positive supply voltage |
| پن 26 | RA0 — Port A bit 0 (bidirectional I/O) |
| پن 27 | RA1 — Port A bit 1 (bidirectional I/O) |
| پن 28 | NC — Not connected (per datasheet) |
عام استعمالات
PIC16C57-LPE/SO کے لیے موزوں ہے 6 ایپلیکیشنs: Appliance Control Panels, Security Keypad and Access-Control Modules, Industrial Sensor Interface Modules, Remote-Control and IR Transmitter Devices, Automotive Body Electronics (Non-Safety), LED Display Drivers and Lighting Controllers.
Appliance Control Panels
The PIC16C57-LPE/SO fits appliance control panels (washing machines, dishwashers, microwave ovens) where its 3 KB OTP program memory, 20 I/O pins, and 8-bit PIC16C5X core deliver sufficient capability for keypad scanning, relay/LED driving, and basic state machines. With the -LPE grade offering extended temperature tolerance and Brown-out/Power-on Reset, the device reliably survives the noisy, fluctuating-supply environment of a mains-driven appliance. The Harvard architecture and 33-instruction set keep firmware development straightforward, while the 28-SOIC footprint is industry-standard for SMT appliance PCB assembly lines. Recommended companion: PIC16C57C-20/SO as production drop-in, plus a zero-cross SSR driver IC on the AC side.
تجویز کردہ
Security Keypad and Access-Control Modules
For PIN-pad entry controllers and basic access-control modules, the PIC16C57-LPE/SO's 20 I/O pins handle a 4x4 matrix keypad scan with lines to spare for buzzer, LED indicator, magnetic-stripe reader handshake, and Wiegand output. The Watchdog Timer prevents lockup if the operator holds a key too long, while Brown-out Reset recovers gracefully from power glitches during door-strike activation. The 12-bit-wide instruction set compresses typical keypad-decoding logic into a few hundred words of the 3 KB OTP, leaving room for password storage and lockout timers. The extended-temperature grade is valuable for outdoor or metal-frame installations that experience thermal stress.
تجویز کردہ
Industrial Sensor Interface Modules
Sensor-conditioning and signal-conditioning front-ends in industrial environments benefit from the PIC16C57-LPE/SO's 20 I/O, Watchdog Timer, and Brown-out Reset. The device can multiplex multiple digital sensors, debounce mechanical contacts, drive optocouplers to upstream PLCs, and present Modbus-friendly timing. With 72 bytes of RAM, however, complex buffering is not practical, so the PIC16C57 is best suited to compact sensor-interface PCBs handling 4-8 discrete I/O. The -LPE grade's extended temperature range (-40C to +85C typical, verify from datasheet) supports factory-floor deployments with wide ambient swings.
تجویز کردہ
Remote-Control and IR Transmitter Devices
The PIC16C57-LPE/SO is well-suited to remote-control transmitter roles where 8-bit logic, low cost, and small footprint dominate. It generates IR carrier modulation (typically 36-40 kHz) using TMR0 and bit-banged GPIO, while storing button-lookup tables and protocol encoders in the 3 KB OTP. The low pin count of the 28-SOIC is sufficient for a 4x3 keypad plus IR-LED driver. The PIC16C5X's deterministic instruction timing simplifies the generation of precise IR pulse trains required by consumer-electronics protocols (RC5, NEC, SIRC). For volume manufacturing, the OTP-only nature of this part keeps unit cost low versus Flash MCUs.
تجویز کردہ
Automotive Body Electronics (Non-Safety)
For non-safety automotive body-electronics modules - seat controllers, mirror adjusters, ambient lighting drivers - the PIC16C57-LPE/SO provides enough logic at a competitive price point. Twenty I/O pins handle H-bridge direction inputs, position-feedback potentiometer ADC-free sampling via comparator ICs, and LIN/CAN companion transceivers. The Watchdog Timer catches firmware lockups, and the -LPE speed grade supports wide temperature swings inside cabin-mounted enclosures. Note that the PIC16C57 is not AEC-Q100 qualified, so it should be restricted to non-safety body modules, not engine-control or airbag subsystems.
تجویز کردہ
LED Display Drivers and Lighting Controllers
LED driving, sign scrolling, and decorative-lighting controllers map well to the PIC16C57-LPE/SO. Twenty I/O pins can directly Charlieplex up to ~90 LEDs (limited by refresh-rate budget) or row/column-scan a small 7-segment or matrix display. TMR0 drives the refresh interrupt, and the Watchdog Timer recovers the controller from transient brown-out events on long LED chains. The OTP-only architecture keeps BOM cost low for high-volume lighting SKUs (seasonal signage, retail displays), where firmware is fixed and does not require field updates. The -LPE temperature grade supports outdoor enclosures.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16C57-LPE/SO — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16C57-LPI/SO | PIC16C57-LP/SO | PIC16C57C-20/SO | PIC16C55-LPE/SO | PIC16C56-LPE/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SOIC (0.295", 7.50mm) | 28-SOIC (0.295", 7.50mm) - same | 28-SOIC (0.295", 7.50mm) - same | 28-SOIC (0.295", 7.50mm) - same | 28-SOIC (0.295", 7.50mm) - same | 28-SOIC (0.295", 7.50mm) - same |
| Program Memory | 3 KB (2K x 12) OTP | 3 KB OTP - same | 3 KB OTP - same | 3 KB OTP - same | ~768B-1KB OTP - smaller | 1 KB OTP - smaller |
| RAM Size | 72 bytes | 72 bytes - same | 72 bytes - same | 72 bytes - same | ~24-72 bytes (smaller family member) | ~72 bytes |
| Maximum Clock Frequency | 40 MHz (family max) | 40 MHz - same family | 40 MHz - same family | 20 MHz - enhanced CMOS rated | 40 MHz - same family | 40 MHz - same family |
| I/O Pins | 20 | 20 - same | 20 - same | 20 - same | 20 - same | 12-20 (family variant) |
| Core | 8-bit PIC16C5X | 8-bit PIC16C5X - same | 8-bit PIC16C5X - same | 8-bit PIC16C5X enhanced CMOS | 8-bit PIC16C5X - same | 8-bit PIC16C5X - same |
| Memory Type | OTP (One-Time Programmable) | OTP - same | OTP - same | OTP enhanced CMOS | OTP - same | OTP - same |
اہم امتیازی خصوصیات
- Largest program memory in the 28-pin PIC16C5X family (بمقابلہPIC16C55-LPE/SO)
- Extended temperature grade via -LPE suffix (بمقابلہPIC16C57-LP/SO)
- Drop-in pin compatibility with PIC16C56-LPE/SO (بمقابلہPIC16C56-LPE/SO)
ڈیزائن نوٹس
PIC16C57 silicon does not support in-circuit debug; you cannot step through code on the target board. For development cycles, prototype on a windowed PIC16C57-JW or PIC16C57-X variant, verify functionality, then program the production OTP parts (PIC16C57-LPE/SO) using a Microchip MPLAB PM3 or PRO MATE II programmer. A common pitfall is assuming in-circuit debug works because the modern PIC16F family supports ICD - it does not on the PIC16C57.
Brown-out Reset (BOR) and Power-on Reset (POR) must be configured correctly in the configuration word before programming. The PIC16C57-LPE/SO's BOR voltage threshold (consult datasheet DS30402J Electrical Characteristics) should be set above the minimum operating Vdd but below the lowest expected supply rail. A 100 nF decoupling capacitor placed within 5 mm of the VDD pin is mandatory; add a 10 uF bulk capacitor at the PCB entry point to handle inrush from relay or motor loads.
Oscillator traces (OSC1/CLKIN, OSC2/CLKOUT) must be kept short and routed over a continuous ground plane to minimize EMI pickup. Place the crystal or resonator within 5 mm of the OSC pins, with load capacitors grounded close to the device ground pin. Avoid routing I/O traces under the oscillator area; cross-talk on the 28-SOIC's compact pinout can corrupt timing on sensitive analog or timer-driven circuits such as IR transmitters.
The 28-SOIC (0.295", 7.50mm width) pin pitch is 1.27mm, so hand-soldering is feasible but production assembly should use reflow. Ensure the PCB land pattern follows IPC-7351 SOIC-28 nominal. MCLR (pin 4) should be pulled up to VDD via a 10 kohm resistor; a 100 nF capacitor on MCLR provides noise immunity but limits in-circuit programming speed if it is too large. For Watchdog Timer use, configure the prescaler carefully to avoid unintended device resets during long interrupt-disabled routines.
تعمیل کی معلومات
RoHS and REACH compliance per Microchip product page material declarations. Not AEC-Q100 qualified - do not use in safety-critical automotive subsystems. PIC16C5X family is mature, active for industrial and embedded legacy designs.
