PIC16F15255-I/SS - 32MHz 8-bit MCU, 14KB Flash 28-SSOP | Microchip
부품 번호: PIC16F15255-I/SS ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $1.42 | $1.42 |
| 10 | $1.28 | $12.80 |
| 100 | $1.12 | $112.00 |
| 500 | $0.98 | $490.00 |
| 1,000 | $0.86 | $860.00 |
PIC16F15255-I/SS 개요
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile data memory (RAM), and a mix of digital and analog peripherals. The PIC16F15255 specifically sits in the 8-bit PIC16 family, which in the broader taxonomy is a microcontroller, then an embedded processor, then a semiconductor device. Within the 8-bit space, PIC16F1 enhanced mid-range parts compete with AVR and 8051 architectures on simplicity, deterministic interrupt latency, and low active/standby current.
Key features of the PIC16F15255 include 14 KB self-programmable Flash, 1024 bytes of SRAM, 256 bytes of EEPROM, an integrated 10-bit Analog-to-Digital Converter (ADC) with computation, multiple Core Independent Peripherals such as the Configurable Logic Cell (CLC), Complementary Waveform Generator (CWG), Numerically Controlled Oscillator (NCO), and Zero-Cross Detect (ZCD), plus standard EUSART, I2C, and SPI communication modules. The XLP technology delivers active currents in the microamp range and deep-sleep currents in the nanoamp range.
Architecturally, the PIC16F15255 uses an enhanced mid-range 8-bit RISC core with a hardware stack, fixed-latency interrupt response, and a 32 MHz internal oscillator (with PLL option). The CIP blocks let designers replace discrete glue logic with on-chip configurable hardware, shrinking BOM cost and PCB area while improving reliability. The integrated peripherals are mapped through the Peripheral Pin Select (PPS) system, giving flexible signal routing on the 28-pin SSOP.
Typical applications include low-power wireless sensor nodes, IoT end devices, home automation and building-control sensor hubs, battery-powered consumer appliances, automotive body and lighting accessories (in non-safety roles), industrial sensor transmitters, and small motor-control loops using the CWG plus NCO blocks. The combination of intelligent analog and CIPs also makes it well suited to LED driving and capacitive touch user interfaces.
When designing with this part, plan the clock source carefully. The 32 MHz internal oscillator eliminates an external crystal in most designs, but precision timing applications still benefit from an external crystal or the high-frequency internal oscillator tuning. Use the PPS system to remap peripherals and avoid pin-conflict problems during PCB layout. Always include proper decoupling and follow the brown-out and watchdog configuration guidance from the device datasheet.
This page synthesizes distributor pricing, same-package drop-in alternatives, comparison data, and practical design notes that are not collated in the manufacturer datasheet itself.
드롭인 대체품: PIC16F15255-I/SS — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC16F15255-I/SS (동일 폼 팩터 및 풋프린트) — 차이점: Package, Program Memory (Flash), ADC, Core Architecture, Communication.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC16F15244-I/SS
✅ 드롭인✓ 재고 있음
$0.85 / 개
데이터시트 보기 →PIC16F15254-I/SS
✅ 드롭인✓ 재고 있음
$0.55 / 개
데이터시트 보기 →PIC16F1518-I/SS
✅ 드롭인✓ 재고 있음
$1.2 / 개
데이터시트 보기 →PIC16F1459-I/SS
✅ 드롭인✓ 재고 있음
$1.55 / 개
데이터시트 보기 →PIC16F15255-I/SS 최대 정격 & 전기적 특성
| Core | 8-bit PIC16 enhanced mid-range RISC |
| Maximum CPU Frequency | 32 MHz |
| Program Memory (Flash) | 14 KB |
| Data Memory (SRAM) | 1024 bytes |
| EEPROM | 256 bytes |
| I/O Pins | Up to 25 (on 28-pin package) |
| 패키지 | 28-SSOP |
| 실장 유형 | Surface Mount |
| Operating Voltage Range | 1.8 V to 5.5 V |
| ADC | 10-bit ADC with computation |
| Communication | EUSART, I2C, SPI |
| Core Independent Peripherals | CLC, CWG, NCO, ZCD |
| 동작 온도 | -40 C to +85 C (industrial grade) |
| Lead-Free / RoHS | Yes |
| MSL 레벨 | 1 |
PIC16F15255-I/SS 핀 구성
| 핀 1 | RA2 — Bidirectional IO / analog / CCP |
| 핀 2 | RA3 — Bidirectional IO / analog / VREF+ |
| 핀 3 | RA4 — Bidirectional IO / analog / T0CKI |
| 핀 4 | RA5 — Bidirectional IO / analog / IOC |
| 핀 5 | RA6 — Bidirectional IO / analog / OSC2 |
| 핀 6 | RA7 — Bidirectional IO / analog / OSC1 |
| 핀 7 | VDD — Positive supply voltage |
| 핀 8 | VSS — Ground reference |
| 핀 9 | RB0 — Bidirectional IO / interrupt-on-change / CCP |
| 핀 10 | RB1 — Bidirectional IO / interrupt-on-change / analog |
| 핀 11 | RB2 — Bidirectional IO / interrupt-on-change / analog |
| 핀 12 | RB3 — Bidirectional IO / interrupt-on-change / analog |
| 핀 13 | RB4 — Bidirectional IO / interrupt-on-change / analog |
| 핀 14 | RB5 — Bidirectional IO / interrupt-on-change / analog |
| 핀 15 | RB6 — Bidirectional IO / ICSPCLK / ICD |
| 핀 16 | RB7 — Bidirectional IO / ICSPDAT / ICD |
| 핀 17 | RC0 — Bidirectional IO / analog / PWM |
| 핀 18 | RC1 — Bidirectional IO / analog / PWM |
| 핀 19 | RC2 — Bidirectional IO / analog / PWM |
| 핀 20 | RC3 — Bidirectional IO / analog / PWM |
| 핀 21 | RC4 — Bidirectional IO / analog / EUSART |
| 핀 22 | RC5 — Bidirectional IO / analog / EUSART |
| 핀 23 | RC6 — Bidirectional IO / analog / EUSART |
| 핀 24 | RC7 — Bidirectional IO / analog / EUSART |
| 핀 25 | RD0 — Bidirectional IO / analog (PIC16F15255 only) |
| 핀 26 | RD1 — Bidirectional IO / analog (PIC16F15255 only) |
| 핀 27 | VDD — Positive supply voltage |
| 핀 28 | VSS — Ground reference |
일반적인 애플리케이션
PIC16F15255-I/SS 적합 용도: 6 애플리케이션s: Battery-Powered IoT Sensor Node, Home Automation Sensor Hub, LED Lighting and Dimming Controller, Industrial Sensor Transmitter, Capacitive Touch User Interface, Small Motor Control Loop (BLDC / Stepper).
Battery-Powered IoT Sensor Node
The PIC16F15255-I/SS is well suited to battery-powered IoT sensor nodes that need long runtime on small cells. Its XLP architecture delivers typical deep-sleep currents under 100 nA with RTC running, and active current around 40 uA/MHz at 1.8 V. The integrated 10-bit ADC with computation handles sensor reads without waking the CPU, while the CLC and NCO peripherals can perform signal conditioning and frequency synthesis in hardware. A typical deployment might sample a temperature or motion sensor once per minute, transmit via a low-power radio, and sleep the rest of the time. Compared to a discrete op-amp plus comparator approach, this integrated design reduces BOM cost and PCB area while extending battery life. The 28-SSOP footprint is compatible with hand-soldered prototypes and high-volume reflow production alike.
추천
Home Automation Sensor Hub
The PIC16F15255-I/SS fits home-automation sensor hubs that aggregate temperature, humidity, occupancy, and ambient-light data. With 14 KB of Flash, the device can run a complete application including IO drivers, sensor calibration tables, and a light application-layer protocol such as Modbus or a proprietary RF stack over UART. The peripheral pin select (PPS) system allows flexible signal routing to the EUSART, I2C, and SPI peripherals without remapping the board layout. Designers typically pair this part with a sub-GHz or BLE radio module and a 24LC-series EEPROM for non-volatile configuration storage. The CLC blocks can be used to build hardware debouncing or wake-up logic without CPU intervention, which simplifies firmware and reduces power consumption in always-listening modes.
추천
LED Lighting and Dimming Controller
The PIC16F15255-I/SS is a strong fit for LED drivers that need smooth dimming and color-mixing control. The Complementary Waveform Generator (CWG) produces complementary PWM outputs for half-bridge or full-bridge LED topologies without CPU overhead, while the 16-bit PWM module handles high-resolution color mixing. The Zero-Cross Detect (ZCD) peripheral enables phase-controlled dimming of AC mains-powered LED lamps. The Numerically Controlled Oscillator (NCO) can synthesize precision timing signals for dithering or color-temperature compensation. With 32 MHz operation and 14 KB Flash, the part can host both the dimming algorithm and a DALI-2 or DMX512 receive stack. The 28-SSOP thermal resistance is adequate for commercial LED bulb installations where ambient temperature stays below 70 C.
추천
Industrial Sensor Transmitter
The PIC16F15255-I/SS serves industrial 4-20 mA sensor transmitters, RTD bridges, and process-control front ends. The 10-bit ADC with computation averages multiple samples for noise reduction, and the 1.8 V to 5.5 V supply range is compatible with 24 V industrial loops after regulation. The integrated EUSART and I2C peripherals handle HART or IO-Link communication stacks, while the CLC blocks can implement Manchester encoding in hardware. The industrial -40 to +85 C operating range supports harsh-environment deployments such as factory floors and outdoor installations. With 256 bytes of EEPROM, designers can store calibration coefficients and unit-identification data on-chip. The 28-SSOP package is suitable for both hand-assembled test fixtures and automated production lines.
추천
Capacitive Touch User Interface
The PIC16F15255-I/SS is well matched to capacitive-touch keypads, sliders, and proximity-sensing interfaces. The mTouch peripheral and CVD acquisition method measure capacitance changes on user input, while the CLC blocks combine inputs and trigger events without CPU intervention. With 32 MHz operation and 14 KB Flash, the device can support both raw touch acquisition and the higher-level gesture-recognition state machine. The on-chip 10-bit ADC handles temperature compensation for long-term drift, and the EUSART/I2C peripherals can forward events to a host processor or display controller. A 28-SSOP footprint supports both PCB-edge mounting for remote touch pads and main-board integration for appliance front panels. The CIP-based architecture simplifies firmware and reduces BOM cost compared with discrete touch ICs.
추천
Small Motor Control Loop (BLDC / Stepper)
The PIC16F15255-I/SS can drive small brushless DC or stepper motors in fans, pumps, valves, and small appliances. The CWG peripheral generates complementary PWM signals for the gate drivers, and the NCO plus 16-bit timer modules provide high-resolution speed control loops. The 10-bit ADC with computation samples back-EMF or current-sense inputs while the CPU is sleeping, conserving power in battery applications. With 14 KB Flash, the firmware can include both trapezoidal commutation and basic field-oriented-control algorithms for low-RPM applications. The 28-SSOP package supports through-hole-friendly prototyping and SMD production. Operating temperature from -40 to +85 C covers most outdoor and under-hood consumer scenarios where stepper-driven positioning is required.
추천
추천 제품 요약
엔지니어링 참조 데이터: PIC16F15255-I/SS — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC16F15244-I/SS | PIC16F15254-I/SS | PIC16F1518-I/SS | PIC16F1459-I/SS |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SSOP | 28-SSOP (same) | 28-SSOP (same) | 28-SSOP (same) | 28-SSOP (same) |
| Flash Memory | 14 KB | 7 KB | 7 KB | 16 KB | 14 KB |
| SRAM | 1024 bytes | 512 bytes | 512 bytes | 1024 bytes | 1024 bytes |
| Max CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 20 MHz | 48 MHz |
| Core Independent Peripherals | CLC, CWG, NCO, ZCD | CLC, CWG, NCO, ZCD | CLC, CWG, NCO, ZCD | None | CLC |
| USB Support | No | No | No | No | Yes (USB 2.0 FS) |
| 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 | 2.5 V to 5.5 V |
주요 차별점
- 14 KB Flash with full CIP set in 28-SSOP (vs PIC16F15244-I/SS)
- Modern Core Independent Peripherals (vs PIC16F1518-I/SS)
- No USB controller; lower power than USB parts (vs PIC16F1459-I/SS)
설계 노트
Place a 100 nF decoupling capacitor within 1-2 mm of every VDD/VSS pin pair and a bulk 1-10 uF capacitor near the device. The PIC16F15255 datasheet specifies that VDD rise time must be monotonic; if your supply ramps slowly or has high impedance during power-up, add an external power-on-reset circuit or use the PIC16F15255 internal BOR. Enable the brown-out reset (BOR) in the configuration bits to avoid code execution at out-of-spec voltages.
Use the Peripheral Pin Select (PPS) system to remap UART, I2C, SPI, PWM, and CLC signals to any digital IO pin, which allows easier PCB routing. Keep analog traces (ADC inputs, VREF+) short and away from digital switching lines; consider a ground guard around sensitive analog nets. If you use the internal 32 MHz oscillator, follow the datasheet layout recommendations and avoid running long high-speed signal traces adjacent to the clock traces.
Do not leave the ICSP/ICD pins (RB6/RB7) floating; they require pull-up or pull-down resistors per the programming specification, otherwise programming may fail intermittently. Configure the watchdog timer (WDT) in long-timeout mode during development and shorter in production to detect lockups. Finally, remember that PPS remapping is non-volatile: the PPS registers must be re-initialized on every reset, so add the configuration to your startup code.
For I2C bus speeds above 400 kHz, add 4.7 kohm pull-up resistors and place the PIC16F15255 within 50 mm of the first bus device. For SPI, keep clock traces short and use series resistors near the source if reflections appear on the scope. The EUSART supports higher baud rates with the BRG16 setting; verify the calculated baud-rate error is below 2% for reliable communication, especially at extreme temperatures where the internal oscillator drift is highest.
규정 준수 정보
Industrial temperature grade -40 to +85 C. Not AEC-Q100 qualified; for automotive applications consider PIC16F15255-E/SS or PIC16F152xx automotive variants.
