PIC16F57-E/P - 8-Bit 20MHz Flash MCU | Microchip Technology
MPN: PIC16F57-E/P ✓ AktifPIC16F57-E/P Ringkasan
A microcontroller is a programmable semiconductor that integrates a CPU, program memory, data memory, I/O, timers, and control peripherals into one device. The PIC16F57 belongs to the PIC16F family, which combines 8-bit processing with flash programmability and a compact instruction set. In the power-management and embedded-control hierarchy, it is a general-purpose microcontroller rather than a power IC or analog converter.
Key features include 3KB of flash program memory organized as 2K by 12, 72 bytes of RAM, 12 I/O ports, a 20MHz maximum clock speed, and a 28-pin PDIP package. The extended-temperature ordering code is associated with operation across industrial and automotive environments. The small instruction set can simplify firmware development, while flash memory permits field reprogramming without a separate programmable ROM device.
Architecturally, the PIC16F57 uses the PICmicro processor core with 200ns instruction execution and a RISC-oriented 33-instruction set. A 20MHz clock supports high-rate control and event processing, while the 12 available I/O pins allow digital interfaces to external sensors, relays, indicators, and logic. The manufacturer product page specifically identifies the family as adaptable to automotive and industrial systems.
Typical applications include compact industrial controllers, automotive auxiliary-control modules, appliance-control boards, simple instrumentation, and embedded products requiring flash-reprogrammable logic. The PDIP package also provides through-hole assembly compatibility where insertion or rework tooling is preferred over fine-pitch surface mounting.
The principal design consideration is supply and peripheral verification because the retrieved snippets do not expose a complete pinout, timer configuration, oscillator detail, or automotive qualification statement for this exact order code. Designers should preserve adequate input/output voltage headroom, apply decoupling at the supply pins, and validate timing against the selected oscillator and firmware configuration. This page combines manufacturer information, distributor data, package details, and application guidance to support component selection and sourcing decisions.
Pilihan pengganti yang segera untuk PIC16F57-E/P — sama paket, pin-pin kompatibel. Bahagian paket yang berbeza memerlukan kerja ulang PCB diasingkan.
Varietas dalam siri ini
Model serupa yang kompatibel dengan pengganti yang segera PIC16F57-E/P (sama faktor bentuk dan kaki) — berbeza dalam Package, RoHS Status, I/O Pins, Program Memory, Mounting Type.
PIC16F57-I/P
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Lihat Datasheet →PIC16F54-I/P
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Lihat Datasheet →PIC16F57-I/SP
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Lihat Datasheet →PIC16F57-E/P Penilaian maksimum & Ciri-ciri Elektrik
| Microcontroller Type | 8-bit CMOS flash-based PICmicro microcontroller |
| Program Memory | 3KB flash (2K x 12) |
| RAM | 72 bytes |
| Maximum Clock Speed | 20 MHz |
| Instruction Execution Time | 200 ns |
| Instruction Set | 33 single-word instructions |
| I/O Ports | 12 I/O ports |
| Kemasan | 28-pin PDIP |
| Jenis Pemasangan | Through-hole |
| Tegangan Pemberi Arus | 4.5 V to 5.5 V |
| Lifecycle Stage | Active |
| Program Memory Type | Flash |
| Product Family | PIC16F 8-bit microcontroller |
Panduan Konfigurasi Pin PIC16F57-E/P 28-pin pdip
Konfigurasi pin untuk PIC16F57-E/P (28-pin pdip pakai). IC digital ini termasuk GPIO, antaramuka komunikasi (UART, SPI, I2C), dan pin kuasa. Rujuk dokumen pengeluar untuk fungsi pin alternatif dan opsi konfigurasi. Biasa digunakan dalam rancangan sistem ter嵌入式 dan PCB.
Tiada data garisan pin yang diperoleh untuk PIC16F57-E/P.
Rujuk kepada lembaran data untuk konfigurasi pin penuh.
Aplikasi Biasa
PIC16F57-E/P patut untuk 6 aplikasis: Automotive Auxiliary Control Module, Industrial Sequence Controller, Appliance Control Board, Simple Instrumentation Controller, LED and Indicator Sequencer, Embedded Timing and Event Logger.
Automotive Auxiliary Control Module
The PIC16F57-E/P fits compact automotive auxiliary-control tasks where a 20MHz flash-based MCU can manage discrete inputs, timed outputs, and simple interlocks without a large application processor. Its verified 12 I/O ports provide a practical interface count for switches, indicators, relays, and sensors. The 3KB flash capacity supports focused firmware for state machines, debouncing, timing, and diagnostics. Before production use, verify the exact -E temperature limits, automotive qualification status, and electrical requirements against Microchip documentation; automotive suitability should not be inferred from the family description alone.
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Industrial Sequence Controller
The PIC16F57-E/P is appropriate for small industrial sequence-control boards that coordinate sensors, relays, indicators, and timed machine states. A 200ns instruction-execution capability and 20MHz maximum clock allow responsive polling and deterministic control loops, while the 33-instruction set can reduce firmware complexity. Its 12 I/O ports support multiple discrete channels, and the 4.5 V to 5.5 V supply range suits conventional 5 V control electronics. Design the PCB with supply decoupling, protected inputs, and appropriate relay-driver isolation.
Disebarkan
Appliance Control Board
The PIC16F57-E/P can serve as the compact controller in an appliance or domestic equipment where the task combines button inputs, sensor polling, timing, display segments, and actuator outputs. Its 3KB flash and 72 bytes of RAM are well matched to focused embedded logic, while 12 I/O ports cover multiple discrete functions. The through-hole 28-pin PDIP package simplifies repair and automated insertion. Firmware should use debouncing and safe-state defaults, and the board should include current-limited drivers rather than switching loads directly from MCU pins.
Disebarkan
Simple Instrumentation Controller
The PIC16F57-E/P can coordinate a compact laboratory or field-instrument control panel using digital commands, status LEDs, and simple external sensor conditioning. The 20MHz clock supports responsive command handling, and flash memory permits firmware revision without replacing the device. Its 72-byte RAM limit favors polling-based rather than buffer-intensive measurements. Use suitable analog front-end components, isolate analog and digital returns, and verify that the selected external modules operate from the MCU's 4.5 V to 5.5 V supply range.
Disebarkan
LED and Indicator Sequencer
The PIC16F57-E/P is suitable for LED status sequencing, annunciator control, and multichannel indicator logic where timing precision and compact firmware matter more than high memory capacity. Its 20MHz clock and 200ns instruction execution provide ample timing margin for common indicator refresh schemes, and the 12 I/O ports support multiple lamp or segment channels. Appropriate current-limiting resistors or driver transistors are required. Firmware should limit refresh rate where visible flicker or excessive duty cycle would otherwise distract users.
Disebarkan
Embedded Timing and Event Logger
The PIC16F57-E/P can implement a compact event logger, interval counter, or service timer in equipment that must retain logic without a larger processor. Its flash program memory supports field-updatable firmware, while the 72-byte RAM can hold compact working variables and state. The 20MHz clock supports precise timing, and 12 I/O ports accommodate event inputs and status outputs. Expansion beyond internal memory would require an external device, so designers should budget RAM and flash usage carefully and include a nonvolatile data strategy when logged values must survive power loss.
Disebarkan
Ringkasan Produk Disebarkan
Data referensi kejuruteraan untuk PIC16F57-E/P — perbandingan, panduan rancangan, dan maklumat kesediaan
Panduan Pilihan
Perbandingan dengan Gantian
| Parametr | Produk Ini | PIC16F57-I/P | PIC16F54-I/P | PIC16F57-I/SP |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Ordering Temperature Designation | -E | -I | -I | -I |
Penyeberangsung Jelas
- Verified flash-based implementation supports field reprogramming (vsPIC16F54-I/P)
- 20MHz clock and 200ns instruction execution support responsive control (vsPIC16F57-I/P)
- 28-pin PDIP packaging supports straightforward through-hole assembly and service (vsPIC16F57-I/SP)
Catatan Desain
Design the supply rail for the verified 4.5 V to 5.5 V operating range and place the required bypass capacitors close to the MCU supply pins according to the manufacturer datasheet. The snippets do not state the exact capacitor values or maximum supply voltage, so those values must not be guessed. Include controlled startup and ensure connected sensors and actuators cannot back-feed an unpowered MCU. Estimated thermal rise cannot be calculated because verified dissipation and junction-temperature parameters are unavailable.
Do not treat a shared PDIP footprint as proof that any PIC16F-family MCU is firmware-compatible. The target PIC16F57 has verified 3KB flash, 72 RAM bytes, 12 I/O ports, and a 20MHz clock; a PIC16F54 substitution can differ in memory organization, peripherals, and interrupt behavior. Before substitution, rebuild the project for the alternate device, review its configuration words and register definitions, and verify every peripheral and pin function against the relevant datasheet.
Use the 28-pin PDIP footprint for through-hole assembly, but reserve clearance around the socket or device for servicing and heat-sink-free rework. Keep oscillator-sensitive traces short and place associated crystal or timing components according to the manufacturer layout guidance. Provide local supply decoupling, controlled input levels, and appropriate isolation for inductive or high-voltage loads. The complete pinout was not present in the supplied snippets, so final routing must use the manufacturer drawing rather than an inferred assignment.
Treat all 12 I/O lines as digital resources that may be shared by interrupt-sensitive functions, and assign external pull-up or pull-down resistors only after reviewing the corresponding input and output specifications. Schmitt-trigger behavior, output drive, and input thresholds were not included in the retrieved data and therefore require datasheet verification. For long cables or noisy industrial environments, add buffer or protection components such as a 74HC-family device or optocoupler rather than relying solely on the MCU pin.
Maklumat Kesediaan
The supplied verified data identifies suitability for automotive and industrial adaptation but does not explicitly provide RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations for PIC16F57-E/P.