PIC16F15245T-I/SS - 32MHz 8-bit MCU, 14KB Flash, 20-SSOP | Microchip
MPN: PIC16F15245T-I/SS ✓ Hoạt độngPIC16F15245T-I/SS Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash for code, SRAM for data, EEPROM for non-volatile storage), and programmable peripherals. The 8-bit PIC16 family is positioned as a cost-effective platform for sensor interfacing, real-time control, and low-power IoT endpoints, sitting below 16-bit and 32-bit MCUs in computational capability but offering the lowest active and sleep current per feature in Microchip's portfolio.
Key features of the PIC16F15245T-I/SS include a 10-bit Analog-to-Digital Converter (ADC), two PWM outputs, two Capture/Compare/PWM (CCP) modules, a Hardware Limit Timer (HLT), Watchdog Timer (WDT), Peripheral Pin Select (PPS) for flexible signal routing, plus EUSART, SPI, and I2C communication peripherals. The device also supports the XLP SLEEP mode for nanoWatt sleep currents.
Architecturally, the PIC16F15245 uses an enhanced mid-range 8-bit core with hardware multiply assist and a 14-bit instruction word, paired with Core Independent Peripherals (CIPs) that operate without CPU intervention. The CIP approach reduces firmware complexity and enables deterministic real-time response, which is critical in cost-sensitive sensor and control applications.
Typical applications include consumer appliances, IoT sensor nodes, battery-powered handheld instruments, LED lighting controllers, and small motor control. The wide 2.5V-5.5V supply range and low-power sleep modes make it especially well suited to energy-harvesting and battery-backed designs. The 20-SSOP package also allows compact board layouts with sufficient I/O for typical sensor plus communication interfaces.
When designing with this MCU, ensure the configuration bits are properly set for brown-out reset, watchdog enable, and low-voltage programming. The PPS feature allows remapping of digital peripherals to most I/O pins, simplifying PCB layout when routing EUSART, SPI, or PWM signals.
Bộ thay thế dễ dàng lắp đặt cho PIC16F15245T-I/SS — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC16F15245T-I/SS (cùng hình factor và footprint) — khác nhau ở Package, Program Memory (Flash), Core Architecture, ADC, Communication Interfaces.
PIC16F15245T-I/SO
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Xem tài liệu →PIC16F15245T-I/REB
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Xem tài liệu →PIC16F15244-I/SS
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Xem tài liệu →PIC16F15243-I/REB
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Xem tài liệu →PIC16F1518T-I/SS
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Xem tài liệu →PIC16F15245T-I/SS Tỷ lệ tối đa & tính chất điện
| Core Architecture | 8-bit PIC enhanced mid-range |
| Maximum CPU Frequency | 32 MHz |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data SRAM | 1 KB |
| Supply Voltage Range | 2.5 V to 5.5 V |
| Nhiệt độ hoạt động | -40 C to +85 C (Industrial) |
| ADC | 10-bit |
| PWM Outputs | 2 |
| CCP Modules | 2 |
| Hardware Limit Timer (HLT) | Yes |
| Watchdog Timer (WDT) | Yes |
| Peripheral Pin Select (PPS) | Yes |
| Communication Peripherals | EUSART, SPI, I2C |
| Low-Power Mode | XLP SLEEP (nanoWatt) |
| Hộp | 20-pin SSOP |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC16F15245T-I/SS
| Chân 1 | RA5 — Bidirectional I/O / analog input |
| Chân 2 | RA4 — Bidirectional I/O / analog input |
| Chân 3 | RA3/MCLR — Bidirectional I/O / Master Clear (reset) |
| Chân 4 | RA2 — Bidirectional I/O / analog input |
| Chân 5 | RA1 — Bidirectional I/O / analog input |
| Chân 6 | RA0 — Bidirectional I/O / analog input |
| Chân 7 | VSS — Ground reference |
| Chân 8 | RA7 — Bidirectional I/O |
| Chân 9 | RA6 — Bidirectional I/O |
| Chân 10 | RC0 — Bidirectional I/O |
| Chân 11 | RC1 — Bidirectional I/O |
| Chân 12 | RC2 — Bidirectional I/O |
| Chân 13 | RC3 — Bidirectional I/O |
| Chân 14 | RC4 — Bidirectional I/O |
| Chân 15 | RC5 — Bidirectional I/O |
| Chân 16 | RC6 — Bidirectional I/O |
| Chân 17 | RC7 — Bidirectional I/O |
| Chân 18 | VSS — Ground reference |
| Chân 19 | VDD — Positive supply voltage |
| Chân 20 | RA8 — Bidirectional I/O |
Ứng dụng tiêu biểu
PIC16F15245T-I/SS phù hợp cho 6 Áp dụngs: Battery-Powered IoT Sensor Nodes, Consumer Appliance Control, LED Lighting Controllers, Handheld Measurement Instruments, Small Motor Control (Fans, Pumps, Blowers), Industrial Sensor and Real-Time Control.
Battery-Powered IoT Sensor Nodes
The PIC16F15245T-I/SS's XLP nanoWatt SLEEP mode draws nanoamp-level sleep current and the part wakes in microseconds from its 32MHz internal oscillator, making it ideal for battery-powered IoT sensor nodes. With 14KB Flash it accommodates small wireless sensor protocol stacks and CIP-driven sensor sampling without external RTOS overhead. Its 2.5V-5.5V supply range accepts a single Li-ion or 2xAA cell, eliminating the boost converter that many low-power sensors require. EUSART or SPI can drive a sub-GHz radio such as the MRF89XA, while the 10-bit ADC reads thermistor, photodiode, or soil-moisture sensors directly.
Được đề xuất
Consumer Appliance Control
The PIC16F15245T-I/SS is well suited for consumer appliance control boards where deterministic real-time response is required. Its 2 PWM channels plus 2 CCP modules drive small brushless DC fans, solenoids, or LED indicator drivers, while the 10-bit ADC reads thermistors for over-temperature protection. Core Independent Peripherals (CIPs) like the Hardware Limit Timer (HLT) execute safety-critical timing without CPU intervention, improving reliability over firmware-based loops. The 20-SSOP package and 2.5-5.5V range accept 3.3V or 5V rails common in white-goods designs, and PPS lets engineers remap signals to ease PCB routing.
Được đề xuất
LED Lighting Controllers
The PIC16F15245T-I/SS drives LED lighting controllers through its 2 PWM channels and 2 CCP modules, supporting color-mixing and dimming up to several hundred hertz without flicker. The 10-bit ADC provides closed-loop current sensing for constant-current LED drivers, while PPS allows the PWM outputs to be reassigned to any I/O pin for easier PCB layout. With 14KB Flash the device stores multiple lighting profiles and fade tables, and XLP sleep enables standby power well below 1µA for Energy Star compliant fixtures. The 32MHz core computes CIE color-mixing or DMX-style frame decoding at sufficient throughput.
Được đề xuất
Handheld Measurement Instruments
The PIC16F15245T-I/SS is a fit for handheld measurement instruments such as digital multimeters, portable environmental meters, and basic oscilloscope probes where low power and small footprint are critical. The 32MHz core drives EUSSR or SPI displays and the 10-bit ADC captures sensor inputs directly; CIP-based timing offloads measurement sequencing from firmware, reducing code complexity. XLP nanoWatt sleep extends battery life between charges, and the 20-SSOP package fits inside slim plastic enclosures. PPS routing simplifies laying out the ADC input trace near the analog front end for best noise performance.
Được đề xuất
Small Motor Control (Fans, Pumps, Blowers)
The PIC16F15245T-I/SS handles small motor control for fans, pumps, and blowers using its 2 PWM channels for speed regulation plus the 10-bit ADC for back-EMF or current sensing. The Hardware Limit Timer (HLT) CIP provides hardware-protected over-current shutdown without firmware latency, and the enhanced mid-range 8-bit core executes PI control loops fast enough for closed-loop PWM at 25kHz. The 32MHz clock and 14KB Flash support field-oriented control tables and soft-start ramps, while the 20-SSOP and 2.5-5.5V range suit 5V or 12V BLDC driver boards.
Được đề xuất
Industrial Sensor and Real-Time Control
The PIC16F15245T-I/SS suits industrial sensor and real-time control nodes where deterministic Core Independent Peripheral execution is required. The CIPs - including HLT, CCP, and PWM - run timing-critical functions without CPU load, while EUSART, SPI, and I2C connect to industrial sensors, isolated transceivers, or HMI displays. The industrial -40C to +85C temperature grade plus 2.5-5.5V tolerance handles 24V-derived 5V or 3.3V rails common in PLCs and field instruments. With 14KB Flash and 1KB SRAM the part accommodates Modbus RTU stacks, sensor calibration tables, and diagnostic log buffers.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16F15245T-I/SS — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC16F15245T-I/SO | PIC16F15245T-I/REB | PIC16F15244-I/SS | PIC16F15243-I/REB | PIC16F1518T-I/SS |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-SSOP | 20-SOIC - larger 300-mil SOIC, pin-to-pin compatible | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same | 20-SSOP - same |
| Flash Memory | 14 KB | 14 KB | 14 KB | 7 KB (-50%) | 7 KB (-50%) | 7 KB (-50%) |
| SRAM | 1 KB | 1 KB | 1 KB | 512 B (-50%) | 512 B (-50%) | 512 B (-50%) |
| Maximum CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 20 MHz (-38%) |
| Peripheral Pin Select (PPS) | Yes | Yes | Yes | Yes | Yes | No |
| XLP nanoWatt Sleep | Yes | Yes | Yes | Yes | Yes | Yes |
Bảo phân biệt quan trọng
- Larger Flash and SRAM than 1524x and 1523x family members (vsPIC16F15244-I/SS)
- Peripheral Pin Select (PPS) enabled (vsPIC16F1518T-I/SS)
- Higher 32 MHz CPU clock vs older 20 MHz (vsPIC16F1518T-I/SS)
Ghi chú thiết kế
Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the VDD pin, plus a bulk 1-10 uF capacitor if the rail is shared with motors or RF. The PIC16F15245T-I/SS operates from 2.5-5.5V, but brown-out reset (BOR) must be enabled in configuration bits to guarantee safe startup when batteries sag. Estimated: at 32 MHz active, IDD is typically a few mA, while XLP sleep draws nanoamps - design battery-life budgets around sleep current, not active current.
Configuration bits must be set before code execution - leaving MCLRE enabled can cause programming issues, and disabling WDT may prevent recovery from firmware lockups. Per Microchip PIC16F152xx datasheet, the PPS feature only assigns peripherals to specific pins, so always cross-check the pinout table for remappable functions. The 10-bit ADC reference can be VDD or a dedicated VREF+ pin; tie VREF+ to a stable, low-noise source for best ADC accuracy.
Keep the analog ADC traces short and away from PWM or switching signals to minimize coupling. The PIC16F15245T-I/SS 20-SSOP package has ground on pins 7 and 18 - stitch both to a low-impedance ground plane for thermal and EMI performance. Place the ICSP programming header (PGD/PGC) near the MCU with no series resistors in the production board to allow in-circuit debugging via MPLAB ICD.
Thông tin tuân thủ
RoHS and lead-free per Microchip product page. Not AEC-Q100 qualified; PIC16F15245 family is targeted at consumer and industrial segments.
