PIC16LF1559T-I/SS - 8-bit MCU, 14KB Flash, 32MHz, 20-SSOP | Microchip
MPN: PIC16LF1559T-I/SS ✓ Hoạt độngPIC16LF1559T-I/SS Tóm tắt
What is an 8-bit microcontroller? An MCU (microcontroller unit) is a single-chip computer integrating a CPU core, program memory (Flash), data RAM, and peripherals (ADC, PWM, timers, communication ports). The 8-bit PIC® XLP™ eXtreme Low Power family targets battery-powered and always-on applications by combining moderate compute throughput with sub-microamp sleep currents.
Key differentiating features of the PIC16LF1559 include up to 17 analog channels served by two independent 10-bit ADCs capable of 600 ksps aggregate sampling, automated hardware CVD (Capacitive Voltage Divider) modules for mTouch® sensing without firmware overhead, 2 PWMs, and XLP™ deep-sleep operation that extends coin-cell battery life. It supports I²C, SPI, and UART interfaces, and integrates up to 17 I/O pins.
The enhanced mid-range PIC16 core executes 125 ns instructions using only 49 single-word instructions, simplifying C and assembly development with MPLAB® X IDE and the XC8 compiler. The hardware CVD block performs charge-measurement cycles between adjacent sensor pins, allowing reliable proximity and touch buttons even in noisy or wet environments.
Typical applications include mTouch® capacitive touch buttons and sliders, sensor signal conditioning, low-power consumer appliances, LED lighting controllers, battery-powered IoT nodes, and general-purpose 8-bit embedded control. The wide operating voltage (1.8 V to 3.6 V for the LF variant) suits Li-ion / coin-cell designs.
When designing with this device, follow Microchip's CVD layout guidelines: use a ground flood around sensor electrodes, keep trace lengths short, and provide adequate bulk decoupling. Pin-compatible migration from the 14-pin PIC16LF1554 to the 20-pin PIC16LF1559 is straightforward within the same family.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not aggregated on a single manufacturer or distributor page, helping procurement and design engineers make informed decisions quickly.
Bộ thay thế dễ dàng lắp đặt cho PIC16LF1559T-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 PIC16LF1559T-I/SS (cùng hình factor và footprint) — khác nhau ở Package, ADC, Program Memory (Flash), Operating Temperature, Core Architecture.
PIC16LF1559-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1559T-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF1554T-I/ST
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Xem tài liệu →PIC16LF1559T-I/SS Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC16 enhanced mid-range 8-bit |
| CPU Speed | 32 MHz (8 MIPS) |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data RAM | 512 B |
| ADC | 2 x 10-bit, up to 17 channels |
| Aggregate ADC Sampling Rate | 600 ksps |
| PWM Channels | 2 |
| Touch Hardware (CVD) | Automated hardware CVD for mTouch® |
| Communication Peripherals | I²C, SPI, UART |
| I/O Pins (max) | 17 |
| Operating Voltage Range (LF) | 1.8 V to 3.6 V |
| XLP Low-Power Technology | Yes (eXtreme Low Power) |
| Hộp | 20-pin SSOP |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | -40 °C to +85 °C (industrial) |
| Instruction Set | 49 single-word instructions |
| Instruction Cycle Time | 125 ns |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC16LF1559T-I/SS
| Chân 1 | VDD — Positive power supply |
| Chân 2 | RA5 — GPIO / analog input / CVD channel |
| Chân 3 | RA4 — GPIO / analog input / CVD channel |
| Chân 4 | RA3 — GPIO / MCLR (reset, weak pull-up) |
| Chân 5 | RC5 — GPIO / analog input |
| Chân 6 | RC4 — GPIO / analog input |
| Chân 7 | RC3 — GPIO / analog input |
| Chân 8 | RC2 — GPIO / analog input |
| Chân 9 | RC1 — GPIO / analog input / SDA |
| Chân 10 | RC0 — GPIO / analog input / SCL |
| Chân 11 | RA2 — GPIO / analog input / CVD channel |
| Chân 12 | RA1 — GPIO / analog input / CVD channel / ICSPCLK |
| Chân 13 | RA0 — GPIO / analog input / CVD channel / ICSPDAT |
| Chân 14 | VSS — Ground reference |
| Chân 15 | RB7 — GPIO / ICD |
| Chân 16 | RB6 — GPIO / ICSPCLK |
| Chân 17 | RB5 — GPIO / analog input |
| Chân 18 | RB4 — GPIO / analog input |
| Chân 19 | RC7 — GPIO / analog input / RX |
| Chân 20 | RC6 — GPIO / analog input / TX |
Ứng dụng tiêu biểu
PIC16LF1559T-I/SS phù hợp cho 6 Áp dụngs: Capacitive Touch Buttons & Sliders (mTouch®), Battery-Powered IoT Sensor Nodes, LED Lighting Controllers & Drivers, Industrial Sensor Signal Conditioning, Low-Power Consumer Appliances, Hobbyist & Educational Embedded Platforms.
Capacitive Touch Buttons & Sliders (mTouch®)
The PIC16LF1559T-I/SS is purpose-built for mTouch® capacitive sensing via its two hardware CVD modules, which automate charge-measurement between adjacent sensor pins without CPU intervention. With up to 17 analog channels and 600 ksps aggregate ADC throughput, the part supports multi-button panels and slider/wheel layouts in a single SSOP-20 footprint. XLP™ deep-sleep currents below 1 µA extend battery life in always-on appliances, while the 14 KB Flash comfortably fits button debouncing, gesture decoding, and UART/I²C reporting to a host MCU.
Được đề xuất
Battery-Powered IoT Sensor Nodes
Operating from 1.8 V to 3.6 V, the PIC16LF1559T-I/SS runs directly from a single Li-ion or two AA cells without an additional regulator. Its XLP™ sleep currents and 32 MHz wake-up performance let designers build always-on sensor nodes that wake briefly, sample, and return to deep sleep. Dual 10-bit ADCs support redundant or interleaved sensor reads, while the 14 KB Flash holds BLE/Zigbee host-command firmware or LoRaWAN driver stubs. UART/SPI/I²C peripherals connect to radios and digital sensors without an external bus expander.
Được đề xuất
LED Lighting Controllers & Drivers
The PIC16LF1559T-I/SS pairs its two hardware PWMs with dual 10-bit ADCs and 17 I/O to drive multi-channel LED fixtures with closed-loop current or color-temperature feedback. The 32 MHz CPU executes smooth PWM dimming at frequencies that avoid audible noise, while the 14 KB Flash fits custom color-mixing curves, DMX-style protocols, or CCT calibration tables. The wide 1.8 V to 3.6 V supply range simplifies integration with both constant-current LED drivers and buck/boost front ends, and XLP™ sleep reduces standby waste in battery desk lights.
Được đề xuất
Industrial Sensor Signal Conditioning
Industrial front-ends need clean analog sampling and robust digital control; the PIC16LF1559T-I/SS delivers two simultaneous 10-bit ADCs at 600 ksps aggregate rate, allowing ratiometric measurements and sensor-fusion reads in motor-control, HVAC, or process-monitoring loops. The 49-instruction PIC16 enhanced mid-range core gives deterministic 125 ns instruction timing for tight control loops, while the SSOP-20 footprint fits on compact DIN-rail or PCB-mount sensor modules. Hardware CVD blocks can also detect panel-mount touch keys or liquid-level changes.
Được đề xuất
Low-Power Consumer Appliances
From coffee machines to air purifiers, modern consumer appliances combine a small touch UI with sensor feedback and quiet motor/valve control. The PIC16LF1559T-I/SS's mTouch® CVD blocks drive the front-panel buttons and sliders, the two PWMs drive valves or fans quietly, and the dual ADCs read temperature, humidity, or pressure transducers. XLP™ deep-sleep currents and 1.8 V operation keep standby power well below 0.1 W to meet global energy regulations. UART exposes a debug/service port for factory calibration and field firmware updates.
Được đề xuất
Hobbyist & Educational Embedded Platforms
The PIC16LF1559T-I/SS is a strong teaching vehicle because of its simple 49-instruction PIC16 enhanced mid-range core, free MPLAB® X IDE, and XC8 compiler support. The 14 KB Flash is large enough for real C-based projects (RTOS-lite schedulers, simple protocol stacks, sensor fusion demos) while small enough to fit within classroom lab budgets. The mTouch® CVD hardware is unique among entry-level MCUs, letting students experiment with capacitive sensing without writing timing-critical firmware. The SSOP-20 package is breadboard-friendly with breakout boards.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16LF1559T-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 | PIC16LF1559-I/SS | PIC16LF1559T-I/ML | PIC16LF1554T-I/ST |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 20-pin SSOP | 20-pin SSOP - same | 20-pin QFN - same pin count, different footprint | 14-pin TSSOP - different footprint |
| Program Memory (Flash) | 14 KB | 14 KB | 14 KB | 14 KB |
| Data RAM | 512 B | 512 B | 512 B | 512 B |
| CPU Speed | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS |
| ADC | 2 x 10-bit, 600 ksps | 2 x 10-bit, 600 ksps | 2 x 10-bit, 600 ksps | 2 x 10-bit (reduced channel count) |
| Hardware CVD (Touch) | Yes (2 modules) | Yes (2 modules) | Yes (2 modules) | Yes (2 modules) |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| XLP Low-Power Technology | Yes | Yes | Yes | Yes |
Bảo phân biệt quan trọng
- Dual hardware CVD modules for mTouch® capacitive sensing (vsPIC16F1507-I/SS)
- 20 SSOP/20 QFN pin options within same family (vsPIC16LF1554T-I/ST)
- Wide 1.8 V to 3.6 V LF supply range with XLP™ deep sleep (vsPIC16F1554 (F variant))
Ghi chú thiết kế
For mTouch® CVD sensor reliability, follow Microchip AN1478 and TB3069 layout guidelines: surround each sensor electrode with a grounded flood (hatched copper, not solid, to reduce capacitive loading), keep sensor traces short and of equal length where possible, route CVD traces away from switching noise sources, and provide a generous ground ring around the entire touch area. The PIC16LF1559's hardware CVD is sensitive to trace capacitance, so avoid placing sensor pads under the IC's VDD/VSS traces.
Place a 100 nF decoupling capacitor as close as possible to the VDD pin (pin 1) and a 10 µF bulk capacitor on the same rail. The PIC16LF1559T-I/SS operates from 1.8 V to 3.6 V; the wide range accommodates coin-cell droop, but regulator PSRR becomes critical below 2.0 V. Use a low-dropout regulator with <50 µA quiescent current if the upstream supply is a Li-ion cell that decays to 3.0 V under load.
Do not enable the RA3 pin's MCLR function unless an external reset circuit is provided - leaving MCLR disabled (RA3 as I/O) is the modern recommendation. Also avoid enabling the weak pull-ups on CVD sensor pins, as the additional resistance perturbs the charge-measurement timing and degrades touch sensitivity. Configure the ADC channels dedicated to CVD separately from generic analog reads to prevent cross-talk.
Thông tin tuân thủ
RoHS/REACH compliant per Microchip product page; lead-free SSOP-20 packaging. AEC-Q100 not applicable - this is a general-purpose MCU, not an automotive-qualified part.
