PIC16F18857-E/SS - 8-Bit MCU, 56KB Flash, 32MHz | Microchip
MPN: PIC16F18857-E/SS ✓ فعالPIC16F18857-E/SS جائزہ
An 8-bit microcontroller (MCU) is a single-chip computer built around an 8-bit data path, integrating a CPU, non-volatile Flash memory, RAM, EEPROM, peripherals, and I/O on one die. PIC microcontrollers use a Harvard RISC architecture with separate program and data buses, prioritizing deterministic instruction timing and low power consumption. The PIC16F1885X/7X family belongs to Microchip's mid-range PIC16 family and targets general-purpose and low-power applications with strong analog and functional-safety features.
Key features include 56 KB (32K x 14) self-programmable Flash, 4 KB SRAM, 256 B EEPROM, 32 MHz internal oscillator, and an integrated 12-bit ADC. The device includes Core Independent Peripherals such as Configurable Logic Cells (CLC), Numerically Controlled Oscillator (NCO), Complementary Waveform Generator (CWG), and Zero-Cross Detect (ZCD) for offloading tasks from the core. The XLP technology delivers sub-µA sleep currents suitable for energy harvesting and long-life battery nodes.
On the safety side, the family integrates CRC/SCAN, Hardware Limit Timer (HLT), and Windowed Watchdog Timer (WWDT) to support functional safety (FuSa) designs. The PIC16F18857-E/SS operates from 1.8 V to 5.5 V across the -40 °C to +125 °C industrial range, and supports in-circuit serial programming (ICSP) plus debug interfaces for rapid prototyping. Its small footprint and CIP-rich architecture simplify designs in sensor conditioning, motor timing, and power conversion.
Typical applications include IoT sensor nodes, low-power wireless HMI panels, HVAC control, battery management front-ends, industrial automation, and automotive body electronics (non-safety). The wide voltage range makes it ideal for both 3.3 V and 5 V designs. The E temperature grade (-40 °C to +125 °C) supports industrial and extended commercial environments.
When designing with this device, reserve adequate ground copper under the SSOP body and place the 0.1 µF VDD decoupling cap within 3 mm of the VDD pin. Verify unused-pin configuration per datasheet to avoid floating CMOS inputs that can cause excess ICC.
This page synthesizes distributor pricing across 12 channels, same-family and cross-family drop-in alternatives, and practical design notes not collated in the manufacturer datasheet - enabling faster BOM decisions.
کے لیے ڈراپ اِن متبادل PIC16F18857-E/SS — 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 PIC16F18857-E/SS (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Program Memory (Flash), ADC, Core Architecture, I/O Pins.
PIC16F18855-E/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F18856-E/SSVAO
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
PIC16F18856T-I/SSVAO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F18855T-I/SS
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F18854-E/SO
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F18877-E/PT
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F18857-E/SS زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | PIC 8-bit RISC (Harvard) |
| Program Memory (Flash) | 56 KB (32K x 14 words) |
| Data Memory (SRAM) | 4 KB |
| EEPROM | 256 B |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage Range | 1.8 V to 5.5 V |
| آپریٹنگ درجہ حرارت رینج | -40 °C to +125 °C (E grade) |
| پیکیج | 28-pin SSOP (0.209" / 5.30 mm width) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| Core Independent Peripherals (CIP) | CLC, NCO, CWG, ZCD, MCCP, SCCP |
| Safety Features | CRC/SCAN, HLT, Windowed WDT |
| Low-Power Technology | XLP (eXtreme Low Power) |
| Programming/Debug | ICSP (In-Circuit Serial Programming) |
| RoHS اسٹیٹس | Compliant |
PIC16F18857-E/SS پن کنفیگریشن
| پن 1 | RA5 — Digital I/O / analog input (refer to datasheet for specific ANx mapping) |
| پن 2 | RA4 — Digital I/O / analog input |
| پن 3 | RA3 — Digital I/O / analog input |
| پن 4 | RA2 — Digital I/O / analog input |
| پن 5 | RA1 — Digital I/O / analog input / ICSPCLK |
| پن 6 | RA0 — Digital I/O / analog input / ICSPDAT |
| پن 7 | VSS — Ground reference |
| پن 8 | RA7 — Digital I/O / analog input |
| پن 9 | RA6 — Digital I/O / analog input |
| پن 10 | RC0 — Digital I/O / analog input |
| پن 11 | RC1 — Digital I/O / analog input |
| پن 12 | RC2 — Digital I/O / analog input |
| پن 13 | RC3 — Digital I/O / analog input / SCL |
| پن 14 | RC4 — Digital I/O / analog input / SDA |
| پن 15 | RC5 — Digital I/O / analog input |
| پن 16 | RC6 — Digital I/O / analog input / TX |
| پن 17 | RC7 — Digital I/O / analog input / RX |
| پن 18 | VSS — Ground reference (second VSS) |
| پن 19 | VDD — Positive supply voltage |
| پن 20 | RB0 — Digital I/O / interrupt-on-change / analog input |
| پن 21 | RB1 — Digital I/O / interrupt-on-change / analog input |
| پن 22 | RB2 — Digital I/O / interrupt-on-change / analog input |
| پن 23 | RB3 — Digital I/O / interrupt-on-change / analog input |
| پن 24 | RB4 — Digital I/O / interrupt-on-change / analog input |
| پن 25 | RB5 — Digital I/O / interrupt-on-change / analog input |
| پن 26 | RB6 — Digital I/O / interrupt-on-change / ICSPCLK / PGC |
| پن 27 | RB7 — Digital I/O / interrupt-on-change / ICSPDAT / PGD |
| پن 28 | MCLR — Master Clear (reset) input / programming voltage |
عام استعمالات
PIC16F18857-E/SS کے لیے موزوں ہے 6 ایپلیکیشنs: IoT Wireless Sensor Nodes, Industrial Sensor Conditioning, Automotive Body Electronics, HVAC Climate Control, Low-Power Remote Controls, Portable Medical Monitoring.
IoT Wireless Sensor Nodes
The PIC16F18857-E/SS suits battery-powered IoT sensor nodes because its XLP technology delivers sub-µA sleep currents while Core Independent Peripherals (CLC, NCO, CWG) execute sensor conditioning without waking the core. At 32 MHz and 56 KB Flash, the device can host a wireless protocol stack (e.g., LoRaWAN, mioty) and an application layer for environmental monitoring. The 12-bit ADC samples battery voltage and sensor outputs with low quiescent draw, while the 1.8-5.5 V range accepts unregulated battery voltages from 2xAA through LiSOCl2 cells, extending field life to years.
تجویز کردہ
Industrial Sensor Conditioning
The PIC16F18857-E/SS is well-suited to industrial 4-20 mA loop transmitters and bridge-sensor conditioning because of its 12-bit ADC, integrated op-amp peripherals, and 1.8-5.5 V supply tolerance. CIP blocks such as the CLC and NCO can synthesize excitation waveforms and demodulate sensor outputs without CPU load. The -40 °C to +125 °C operating range meets IEC 61010 industrial environment specs, and the SSOP-28 footprint fits miniature field-mounting enclosures. CRC/SCAN diagnostics and Windowed WDT support IEC 60730 class B functional-safety requirements for process instrumentation.
تجویز کردہ
Automotive Body Electronics
The PIC16F18857-E/SS handles automotive body-electronics modules such as seat controllers, mirror adjusters, and lighting nodes. Its 32 MHz core, four 16-bit PWM channels (MCCP/SCCP), and CWG peripheral generate complementary gate-drive signals for LED matrices and small DC loads. The extended -40 °C to +125 °C range spans under-hood and cabin environments. The CIP architecture executes PWM timing and fault detection autonomously, freeing the core for LIN/CAN-style communication stacks. For safety-critical applications, the CRC/SCAN block and WWDT provide class-B integrity checks.
تجویز کردہ
HVAC Climate Control
The PIC16F18857-E/SS fits HVAC thermostat and zone-controller designs thanks to its multiple PWM channels, 12-bit ADC for NTC temperature sensing, and rich communication peripherals (EUSART, I2C, SPI) for interfacing with Wi-Fi/BLE modules and display drivers. XLP modes reduce standby power below 1 µA, satisfying ENERGY STAR idle requirements. The 56 KB Flash accommodates full thermostat firmware with scheduling and OTA-bootloader space. SSOP-28 is easy to hand-prototype on breakout boards and reflows cleanly on HVAC control PCBs.
تجویز کردہ
Low-Power Remote Controls
Coin-cell-powered remote controls benefit from the PIC16F18857-E/SS's XLP sleep current of <1 µA combined with CLC and NCO peripherals that handle IR/RF carrier generation in hardware. At 32 MHz the core can run capacitive-touch or matrix-keypad scanning plus RF protocol encoding without an external timer IC. The 56 KB Flash supports vendor-specific protocol stacks (e.g., BLE HID, RF4CE, proprietary), and the 1.8 V minimum supply operates from a single CR2032 cell for years. The SSOP-28 fits thin-form-factor handheld enclosures.
تجویز کردہ
Portable Medical Monitoring
The PIC16F18857-E/SS supports portable medical monitoring devices such as pulse oximeters, smart thermometers, and adherence trackers thanks to its 12-bit ADC accuracy, XLP low-power modes, and 32 KB RAM-class buffering. Its 32 MHz core runs signal-processing algorithms for heart-rate and SpO2 calculations, while CLC peripherals offload LED driving for optical sensors. The 1.8-5.5 V supply range accepts single Li-ion or 2xAAA cells. CRC/SCAN diagnostics plus WWDT satisfy FDA guidance on device firmware integrity for class-II medical accessories.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16F18857-E/SS — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16F18855-E/SS | PIC16F18856-E/SSVAO | PIC16F18856T-I/SSVAO | PIC16F18855T-I/SS | PIC16F18854-E/SO | PIC16F18877-E/PT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | SSOP-28 | SSOP-28 (same) | SSOP-28 (same) | SSOP-28 (same) | SSOP-28 (same) | SSOP-28 / SOIC-28 (different body width) | TQFP-44 (different footprint) |
| Flash Memory | 56 KB | 32 KB | 32 KB | 32 KB | 32 KB | 16 KB | 56 KB |
| RAM | 4 KB | 2 KB | 2 KB | 2 KB | 2 KB | 1 KB | 4 KB |
| EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B |
| Maximum CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V |
| Temperature Grade | -40 °C to +125 °C (E) | -40 °C to +125 °C (E) | -40 °C to +125 °C (E, VAO auto) | -40 °C to +85 °C (I, VAO auto) | -40 °C to +85 °C (I) | -40 °C to +125 °C (E) | -40 °C to +125 °C (E) |
| Approx. Unit Price (1pc) | $2.25 | Lower (32 KB die) | Slightly higher (VAO) | Slightly higher (VAO + T&R) | Lower (32 KB die + T&R) | Lower (16 KB die) | Higher (more I/O) |
اہم امتیازی خصوصیات
- Maximum Flash in the PIC16F1885X/7X 28-pin SSOP family (بمقابلہPIC16F18855-E/SS)
- Largest RAM in the 28-pin SSOP PIC16F1885X family (بمقابلہPIC16F18855-E/SS)
- Drop-in upgradability to higher-pin-count variant (بمقابلہPIC16F18854-E/SO)
ڈیزائن نوٹس
Place a 0.1 µF ceramic VDD decoupling capacitor within 3 mm of the VDD pin (pin 19) and a 10 µF bulk cap on the same rail per Microchip brief 40001768A. For analog VDD if separate, decouple AVDD with the same topology. During XLP sleep modes, verify that all I/O are driven to defined logic levels to minimize ICC - floating CMOS inputs can leak 1-10 µA each. Use the ICDREG register to disable unused digital input buffers on port pins.
The PIC16F18857-E/SS requires correct configuration-word settings before code execution; an unconfigured device ships with MCLR enabled and all peripherals disabled. Always program CONFIG1-CONFIG5 before user code. Do not exceed 5.5 V on any pin; absolute maximum VDD is 6.6 V per the datasheet. For ICSP, ensure MCLR is pulled through 10 kΩ minimum and never driven below VSS, or use the MPLAB ICD4 isolation circuit.
Estimated: At maximum 32 MHz CPU speed, VDD = 5.5 V, and all peripherals active, the SSOP-28 package (θJA ~ 95 °C/W on a 2-layer JEDEC test board) dissipates ~50 mW, yielding a junction temperature rise of ~5 °C above ambient. At -40 °C to +125 °C ambient this stays well within the 150 °C junction limit. For continuous operation above +100 °C ambient, add thermal vias under the exposed die pad area or migrate to the TQFP package for lower θJA.
تعمیل کی معلومات
RoHS compliant per DigiKey listing 6098385. AEC-Q100 not applicable - choose PIC16F18856T-I/SSVAO or PIC16F18855T-I/SSVAO for automotive-grade qualification. Halogen-free status not stated in provided data.
