PIC16F1509-I/SO - 14KB Flash 20MHz 8-bit MCU | Microchip | SOIC-20
MPN: PIC16F1509-I/SO ✓ Hoạt độngPIC16F1509-I/SO Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and programmable I/O peripherals on one die, used to sense, decide, and actuate in embedded systems. Within the product hierarchy, the PIC16F1509 sits as: 8-bit MCU -> PIC16 enhanced mid-range -> PIC16F1xxx family -> flash MCU -> embedded microcontroller. It competes with other low-power 8-bit MCUs in the PIC16, PIC18 and ATmega/AVR families, and is positioned for cost-sensitive applications that still require modern analog and logic peripherals.
Key features of the PIC16F1509 include XLP™ eXtreme Low Power technology for sub-microamp sleep currents, an integrated 16 MHz internal oscillator (factory calibrated to ±1%), 17 I/O pins with interrupt-on-change, a 10-bit ADC with up to 14 channels, two comparators, two 10-bit PWMs and four 8-bit PWMs, plus the previously mentioned CIPs. The device operates across 1.8 V to 5.5 V and is rated from -40 °C to +85 °C in the industrial "-I" temperature grade.
Architecturally, the PIC16F1509 uses Microchip's enhanced mid-range 14-bit instruction core with a 200 ns instruction cycle at 20 MHz, an 8-level hardware stack, and a vectored interrupt controller. Program memory is accessed through a 14-bit wide flash bus that supports self-programmability, while data EEPROM supports single-word read/write. The CIPs allow complex timing, waveform generation, and combinational logic without CPU intervention, offloading real-time tasks and reducing firmware complexity.
Typical applications include LED lighting and signage controls, consumer appliances, low-power sensor nodes, battery chargers, fan and pump controls, and general-purpose digital logic replacement. Its combination of CIPs, low power, and small footprint also suits smart-home IoT end nodes and human-machine interface (HMI) panels.
When designing with this part, evaluate the internal oscillator accuracy against your serial-communication baud-rate tolerance, size the decoupling per the datasheet, and use the CLC/NCO/CWG peripherals to consolidate external glue logic. For long-term product support, verify the specific SOIC-20 ordering code (PIC16F1509-I/SO vs. PIC16F1509-E/SO vs. PIC16LF1509-I/SO) against your voltage and temperature requirements.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, enabling faster component selection for engineers evaluating 8-bit flash MCUs.
Bộ thay thế dễ dàng lắp đặt cho PIC16F1509-I/SO — 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 PIC16F1509-I/SO (cùng hình factor và footprint) — khác nhau ở Package, ADC, Program Memory (Flash), Operating Temperature, Timers.
PIC16F1508-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1509-I/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1509-E/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F1507-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1509-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1509-I/SO Tỷ lệ tối đa & tính chất điện
| Core | PIC16 enhanced mid-range 8-bit |
| Architecture | 14-bit instruction RISC |
| Program Memory (Flash) | 14 KB (8K x 14) |
| Data SRAM | 512 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 20 MHz (200 ns instruction cycle) |
| Operating Voltage (VDD) | 1.8 V to 5.5 V |
| I/O Pins | 17 |
| ADC | 10-bit, up to 14 channels |
| Comparators | 2 |
| PWM Channels | 2x 10-bit + 4x 8-bit |
| Internal Oscillator | 16 MHz, factory calibrated ±1% |
| Core Independent Peripherals | CLC, NCO, CWG, ZCD |
| Nhiệt độ hoạt động | -40 °C to +85 °C (Industrial, -I) |
| Hộp | 20-pin SOIC (SO), 300-mil |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 1 (unlimited) |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
Cấu hình chân PIC16F1509-I/SO
| Chân 1 | RA0/AN0/CWG1FLT/CLCIN0/ICSPDAT — Bidirectional I/O / Analog input / CWG fault input / CLC input / ICSP data |
| Chân 2 | RA1/AN1/CWG2FLT/CLCIN1/ICSPCLK — Bidirectional I/O / Analog input / CWG fault input / CLC input / ICSP clock |
| Chân 3 | RA2/AN2/CLCIN2/VREF- — Bidirectional I/O / Analog input / CLC input / ADC negative reference |
| Chân 4 | RA3/MCLR/VPP — Master Clear (reset) / ICSP programming voltage; can also be general input |
| Chân 5 | RA4/AN3/CWG1OUT/CLCIN3/T0CKI — Bidirectional I/O / Analog input / CWG1 output / CLC input / Timer0 clock |
| Chân 6 | RA5/AN4/CWG2OUT/CLCIN4 — Bidirectional I/O / Analog input / CWG2 output / CLC input |
| Chân 7 | VSS — Ground reference |
| Chân 8 | RA6/AN5/CWG1FLT/CLCIN5/OSC2/CLKOUT — Bidirectional I/O / Analog input / CWG1 fault / CLC input / Crystal output / Clock out |
| Chân 9 | RA7/AN6/CWG2FLT/CLCIN6/OSC1/CLKIN — Bidirectional I/O / Analog input / CWG2 fault / CLC input / Crystal input / Clock in |
| Chân 10 | RB0/AN7/CCP1/SDA/CLCIN7 — Bidirectional I/O / Analog input / CCP1 / I2C data / CLC input |
| Chân 11 | RB1/AN8/CCP2/SCL — Bidirectional I/O / Analog input / CCP2 / I2C clock |
| Chân 12 | RB2/AN9/PWM4 — Bidirectional I/O / Analog input / PWM4 output |
| Chân 13 | RB3/AN10/CCP3/PWM5 — Bidirectional I/O / Analog input / CCP3 / PWM5 output |
| Chân 14 | RB4/AN11/PWM6 — Bidirectional I/O / Analog input / PWM6 output |
| Chân 15 | RB5/AN12/PWM7 — Bidirectional I/O / Analog input / PWM7 output |
| Chân 16 | RB6/AN13/ICSPDAT/CWG1OUT — Bidirectional I/O / Analog input / ICSP data / CWG1 output |
| Chân 17 | RB7/AN14/ICSPCLK/CWG2OUT — Bidirectional I/O / Analog input / ICSP clock / CWG2 output |
| Chân 18 | VDD — Positive supply voltage (1.8 V to 5.5 V) |
| Chân 19 | VSS — Ground reference |
| Chân 20 | VOUT/FVR/VDD — Voltage regulator output / Fixed voltage reference / tied to VDD |
Ứng dụng tiêu biểu
PIC16F1509-I/SO phù hợp cho 7 Áp dụngs: LED Lighting and Signage Control, Consumer Appliance Control, Low-Power IoT Sensor Node, Battery Charger Controller, Fan and Pump Motor Control, HMI Panel and Keypad Controller, Industrial Logic and Glue Replacement.
LED Lighting and Signage Control
The PIC16F1509-I/SO is well suited for LED lighting and signage controllers because its Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), and four 10-bit PWM channels allow on-the-fly generation of complex dimming sequences without burdening the CPU. The 14 KB flash holds DMX-512 or DALI frame handlers, while the 17 I/O drive MOSFET drivers and discrete LED strings. The wide 1.8 V to 5.5 V supply supports direct 3.3 V or 5 V rails, and XLP™ low-power modes suit battery-backup emergency fixtures.
Được đề xuất
Consumer Appliance Control
In washing machines, dishwashers, and small kitchen appliances, the PIC16F1509-I/SO delivers 14 KB flash for the main control loop plus 256 B EEPROM for fault-log and configuration storage that survives power loss. The 10-bit ADC scans temperature sensors and water-level probes, the comparators handle zero-crossing detection for TRIAC-fired heaters, and the CWG drives the universal motor or BLDC pre-driver. The 1.8 V start-up voltage lets designers wake from battery-backed RTCs, while the SOIC-20 package survives conformal coating and wave-soldering rework.
Được đề xuất
Low-Power IoT Sensor Node
The PIC16F1509-I/SO is an excellent fit for battery-powered wireless sensor nodes, especially with the Microchip RN2483 LoRa or MRF24J40 2.4 GHz modules. Its XLP™ technology yields sub-1 µA sleep current, the 14 KB flash fits a small RTOS or state-machine, and the 10-bit ADC quantizes thermistor, photodiode, or soil-moisture sensors. The Numerically Controlled Oscillator (NCO) can synthesize a 16 MHz interrupt or RF clock without a crystal, cutting BOM cost, while the Zero-Cross Detect (ZCD) peripheral simplifies AC mains-sensing smart-plug designs.
Được đề xuất
Battery Charger Controller
The PIC16F1509-I/SO is well matched to multi-chemistry battery charger controllers: the 10-bit ADC reads voltage and current shunts, the comparators enforce CC/CV thresholds with hardware-grade response time, and the CWG + CLC peripherals form a synchronous buck or boost PFC without DSP code. The 14 KB flash holds the charge profile tables and state machine, while 256 B EEPROM stores learned-capacity parameters. The 1.8 V minimum VDD supports low-battery cut-off and direct Li-ion cell sensing without a separate ADC chip.
Được đề xuất
Fan and Pump Motor Control
Sensorless BLDC, brushed DC, and small induction motor control all benefit from the PIC16F1509-I/SO's on-chip CWG and PWM peripherals. The CWG generates complementary gate-drive waveforms with programmable dead-time, while the 10-bit ADC samples back-EMF for sensorless commutation. Four 8-bit PWMs plus two 10-bit PWMs handle multi-phase fan hubs. The 17 I/O interface Hall-effect sensors, tachometer inputs, and fault shut-down outputs. The SOIC-20 mechanical robustness and -40 °C to +85 °C range suit under-hood automotive and industrial fan applications.
Được đề xuất
HMI Panel and Keypad Controller
The PIC16F1509-I/SO is a strong fit for keypad, encoder, and small-segment-LCD HMI panels: the CLCs implement debounce and quadrature decoding in hardware, the CWG drives piezo buzzers, and 17 I/O pins multiplex a 4x4 matrix keypad with interrupt-on-change wake-up. The 14 KB flash holds multilingual menu strings, while 512 B SRAM buffers scan events. The 1.8 V to 5.5 V supply and SOIC-20 footprint integrate easily into dishwasher, microwave, or industrial-control front panels where space is tight but I/O density is high.
Được đề xuất
Industrial Logic and Glue Replacement
Engineers often replace 74-series CMOS glue logic, op-amps, and discrete timers with the PIC16F1509-I/SO because the CLCs can implement any combinational logic in hardware (replacing 74HC gates), the NCO synthesizes precise 16-bit frequencies (replacing 555 timers), and the ZCD detects AC-line zero-crossings (replacing opto-isolated ZCD circuits). The 14 KB flash and 256 B EEPROM hold factory calibration, while the CWG outputs the resulting PWM, clock, or zero-cross pulse. The wide 1.8 V to 5.5 V supply lets the same part substitute in legacy 3.3 V and 5 V boards.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16F1509-I/SO — 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 | PIC16F1508-I/SO | PIC16F1509-I/P | PIC16F1509-E/SO | PIC16F1507-I/SO | PIC16F1509-I/ML |
|---|---|---|---|---|---|---|
| Package | 20-pin SOIC (SO) | 20-pin SOIC (SO) - same | 20-pin PDIP (P) | 20-pin SOIC (SO) - same | 20-pin SOIC (SO) - same | 20-pin QFN (ML) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 14 KB | 7 KB | 14 KB | 14 KB | 3.5 KB | 14 KB |
| Data SRAM | 512 bytes | 256 bytes | 512 bytes | 512 bytes | 128 bytes | 512 bytes |
| Data EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 128 bytes | 256 bytes |
| Maximum CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| ADC Channels | 14 | 12 | 14 | 14 | 12 | 14 |
| Operating Temperature | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C (Industrial) | -40 °C to +125 °C (Extended) | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C (Industrial) |
| Core Independent Peripherals (CLC/NCO/CWG/ZCD) | All four present | All four present | All four present | All four present | Reduced set | All four present |
| Lifecycle Status | Active | Active | Active | Active | Active | Active |
Bảo phân biệt quan trọng
- More flash and SRAM on the same SOIC-20 footprint (vsPIC16F1508-I/SO)
- Industrial temperature range at standard price (vsPIC16F1509-E/SO)
- SOIC-20 SMT package with full CIP peripheral set (vsPIC16F1507-I/SO)
Ghi chú thiết kế
The PIC16F1509-I/SO requires a 0.1 µF ceramic decoupling capacitor placed within 5 mm of the VDD pin (pin 18) and another on VSS (pin 19). The on-chip FVR (Fixed Voltage Reference) draws approximately 25 µA when active; disable FVR before entering Sleep to achieve the datasheet's <1 µA XLP current. For battery operation below 3.0 V, derate the CPU clock from 20 MHz to 8 MHz by selecting the LFINTOSC or HFINTOSC prescaler. Estimated: with VDD=3.3V, FVR off, ADC off, and 16 MHz internal oscillator the active current is roughly 1.5 mA, dropping to <1 µA in Sleep with WDT disabled.
Place the 20 MHz external crystal/cap load circuit within 5 mm of the OSC1/OSC2 pins (RA7/RA6). Keep the ICSP lines ICSPDAT (pin 1, multiplexed with RA0) and ICSPCLK (pin 2, multiplexed with RA1) free of series resistors above 100 Ω to ensure reliable in-circuit programming. A 10 kΩ pull-up on MCLR/RA3 (pin 4) is mandatory for proper reset behavior; add a 100 nF cap on MCLR for noise immunity. The SOIC-20 thermal pad is not present; route two VDD and VSS traces side-by-side for low-impedance power delivery.
Do not confuse the PIC16F1509-I/SO (industrial, -40 to +85 °C) with the PIC16F1509-E/SO (extended, -40 to +125 °C) or PIC16LF1509-I/SO (low-voltage F-version, 1.8 V to 3.6 V). Always check the suffix letter after the temperature designator. When migrating code from PIC16F88/F88A/F819 legacy devices, the configuration bits and ADC configuration registers differ - use the MPLAB Code Configurator (MCC) to regenerate initialization. The 14 KB flash is 8K x 14-bit words; C pointers therefore treat program memory as 14-bit wide, not 8-bit.
For designs that use the ADC above 100 ksamples/s, add a small RC anti-aliasing filter (1 kΩ + 100 pF) at each analog input; the SOIC-20 pin capacitance (~5 pF) and the on-chip ADC sample-and-hold (~5 pF) form an unintended divider at high frequencies. Route analog and digital traces on separate layers or with at least 3 mm separation. The internal 16 MHz oscillator accuracy is ±1% factory calibrated; for UART communication at 115200 baud or higher, verify the actual baud error against the receiver tolerance window (typically ±2% for 8N1 asynchronous).
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Lead-free finish. Not AEC-Q100 qualified - select PIC16F1509-E/SO for extended temperature or PIC16F1509 automotive-grade Q parts for AEC-Q100 requirements.
