PIC16F1526-I/MR - 8-Bit 20MHz 14KB Flash 64-QFN MCU | Microchip
MPN: PIC16F1526-I/MR ✓ Hoạt độngPIC16F1526-I/MR Tóm tắt
An 8-bit microcontroller (MCU) is a single-chip computer that combines a CPU, program memory, data RAM, and peripherals such as ADC, timers, and communication interfaces. Within the broader MCU taxonomy, the PIC16 family sits at the entry-level/mid-range tier of Microchip's 8-bit portfolio, between baseline PIC10/14 and high-pin-count PIC18 devices. The enhanced mid-range core adds C-friendly optimizations and a wider instruction set over the baseline PIC16 core, while keeping the deterministic, single-cycle architecture that PIC MCUs are known for.
Key features of the PIC16F1526-I/MR include 30 channels of 10-bit ADC with voltage reference, two MSSP peripherals supporting SPI and I2C, an EUSART with auto-baud, ten CCP (Capture/Compare/PWM) modules, six 8-bit timers (TMR0/2/4/6/8/10), three 16-bit timers (TMR1/3/5), an extended watchdog timer (WDT), and 25 mA source/sink current capability on I/O pins for direct LED drive. Internal 16 MHz oscillator support reduces BOM cost.
The PIC16F1526-I/MR uses Harvard architecture with separate program and data buses, an internal 16 MHz oscillator, and XLP technology that drops quiescent current into the microamp range during sleep. Internal voltage reference and 10-bit ADC architecture enable sensor-type signal collection, and the 30 ADC channels support multi-signal applications like sensor arrays and motor control loops.
Typical applications include industrial sensor nodes, LED lighting controllers, low-power IoT endpoints, home appliances, automotive body/comfort modules, and battery-powered instrumentation. The wide 1.8 V to 5.5 V range and XLP sleep currents below 1 uA also fit energy-harvesting systems.
When designing with this MCU, ensure the 64-QFN exposed pad is soldered to a sufficient ground plane for thermal dissipation. Decouple VDD with a 100 nF ceramic capacitor placed within 3 mm of the pin, and add a 10 uF bulk capacitor on the main supply rail. MPLAB X IDE with XC8 compiler is the supported toolchain.
This page synthesizes distributor pricing, 64-QFN drop-in alternatives, and practical design notes not found in the standalone Microchip PIC16F1526 datasheet.
Bộ thay thế dễ dàng lắp đặt cho PIC16F1526-I/MR — 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 PIC16F1526-I/MR (cùng hình factor và footprint) — khác nhau ở Package, Mounting Type, ADC, Communication, Operating Temperature.
PIC16F1527-I/MR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F1526-E/MR
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1526-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F1527-E/MR
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F15256-E/SP
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16F1526-I/MR Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC16 enhanced mid-range 8-bit |
| Instruction Set | 49 instructions, 16 stack levels |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| RAM | 768 bytes |
| Max CPU Speed | 20 MHz |
| Supply Voltage (VDD) | 1.8 V to 5.5 V |
| Internal Oscillator | 16 MHz |
| ADC | 10-bit, 30 channels with voltage reference |
| Timers | 6 x 8-bit (TMR0/2/4/6/8/10) + 3 x 16-bit (TMR1/3/5) |
| CCP/PWM Modules | 10 (Capture/Compare/PWM) |
| Communication | 2x MSSP (SPI/I2C), 1x EUSART with auto-baud |
| I/O Source/Sink Current | 25 mA |
| Watchdog Timer | Extended WDT |
| Low-Power Technology | XLP (eXtreme Low Power) |
| Nhiệt độ hoạt động | -40C to +85C (industrial) |
| Hộp | 64-pin QFN (9x9 mm) with exposed pad |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC16F1526-I/MR
| Chân 1 | RA0 — Port A bit 0 / analog input |
| Chân 2 | RA1 — Port A bit 1 / analog input |
| Chân 3 | RA2 — Port A bit 2 / analog input |
| Chân 4 | RA3 — Port A bit 3 / analog input |
| Chân 5 | RA4 — Port A bit 4 |
| Chân 6 | RA5 — Port A bit 5 |
| Chân 7 | RA6 — Port A bit 6 / oscillator |
| Chân 8 | RA7 — Port A bit 7 / oscillator |
| Chân 9 | VSS — Ground reference |
| Chân 10 | VDD — Positive supply voltage |
| Chân 11 | RB0 — Port B bit 0 |
| Chân 12 | RB1 — Port B bit 1 |
| Chân 13 | RB2 — Port B bit 2 |
| Chân 14 | RB3 — Port B bit 3 |
| Chân 15 | RB4 — Port B bit 4 |
| Chân 16 | RB5 — Port B bit 5 |
| Chân 17 | RB6 — Port B bit 6 / ICSPCLK |
| Chân 18 | RB7 — Port B bit 7 / ICSPDAT |
| Chân 19 | RC0 — Port C bit 0 |
| Chân 20 | RC1 — Port C bit 1 |
| Chân 21 | RC2 — Port C bit 2 |
| Chân 22 | RC3 — Port C bit 3 |
| Chân 23 | RC4 — Port C bit 4 |
| Chân 24 | RC5 — Port C bit 5 |
| Chân 25 | RC6 — Port C bit 6 |
| Chân 26 | RC7 — Port C bit 7 |
| Chân 27 | VSS — Ground reference |
| Chân 28 | VDD — Positive supply voltage |
| Chân 29 | RD0 — Port D bit 0 |
| Chân 30 | RD1 — Port D bit 1 |
| Chân 31 | RD2 — Port D bit 2 |
| Chân 32 | RD3 — Port D bit 3 |
| Chân 33 | RD4 — Port D bit 4 |
| Chân 34 | RD5 — Port D bit 5 |
| Chân 35 | RD6 — Port D bit 6 |
| Chân 36 | RD7 — Port D bit 7 |
| Chân 37 | RE0 — Port E bit 0 |
| Chân 38 | RE1 — Port E bit 1 |
| Chân 39 | RE2 — Port E bit 2 |
| Chân 40 | RE3 — Port E bit 3 |
| Chân 41 | RE4 — Port E bit 4 |
| Chân 42 | RE5 — Port E bit 5 |
| Chân 43 | RE6 — Port E bit 6 |
| Chân 44 | RE7 — Port E bit 7 |
| Chân 45 | RF0 — Port F bit 0 |
| Chân 46 | RF1 — Port F bit 1 |
| Chân 47 | RF2 — Port F bit 2 |
| Chân 48 | RF3 — Port F bit 3 |
| Chân 49 | RF4 — Port F bit 4 |
| Chân 50 | RF5 — Port F bit 5 |
| Chân 51 | RF6 — Port F bit 6 |
| Chân 52 | RF7 — Port F bit 7 |
| Chân 53 | RG0 — Port G bit 0 |
| Chân 54 | RG1 — Port G bit 1 |
| Chân 55 | RG2 — Port G bit 2 |
| Chân 56 | RG3 — Port G bit 3 |
| Chân 57 | RG4 — Port G bit 4 |
| Chân 58 | RG5 — Port G bit 5 |
| Chân 59 | RG6 — Port G bit 6 |
| Chân 60 | RG7 — Port G bit 7 |
| Chân 61 | AVSS — Analog ground |
| Chân 62 | AVDD — Analog supply voltage |
| Chân 63 | MCLR — Master clear reset (active low) |
| Chân 64 | EP — Exposed pad (thermal/ground) |
Ứng dụng tiêu biểu
PIC16F1526-I/MR phù hợp cho 6 Áp dụngs: Industrial Sensor Hub, LED Lighting Controller, Battery-Powered IoT Endpoint, Home Appliance Control, Automotive Body & Comfort Module, Test & Measurement Instrumentation.
Industrial Sensor Hub
The PIC16F1526-I/MR's 30-channel 10-bit ADC and dual MSSP (SPI+I2C) make it a natural fit for industrial sensor hubs aggregating multiple analog and digital sensors. The 14 KB Flash comfortably fits sensor-fusion firmware and Modbus RTU stacks, while the 1.8-5.5 V supply tolerates 24V->5V industrial rails with adequate headroom. With XLP sleep currents below 1 uA, battery-backed wireless sensor nodes can run for years on a single cell. The 25 mA I/O source/sink capability also drives indicator LEDs or relays directly without buffer transistors.
Được đề xuất
LED Lighting Controller
Ten CCP/PWM modules on the PIC16F1526-I/MR drive multi-channel RGB or white LED arrays directly, while the 20 MHz core executes lighting-effect firmware with deterministic timing. The 25 mA source/sink per pin eliminates MOSFET driver stages for low-power LED strings up to ~10 mA per channel. Wide 1.8-5.5 V supply supports both 3.3 V logic-level strips and 5 V retrofit lamps. XLP sleep during standby keeps wall-switch smart-lighting controller quiescent current in the microamp range.
Được đề xuất
Battery-Powered IoT Endpoint
XLP technology with sub-microamp sleep current, 1.8 V minimum supply, and 14 KB Flash for BLE/Zigbee stack fragments make PIC16F1526-I/MR well suited to battery-powered IoT endpoints. The 30 ADC channels monitor battery voltage, current, and ambient sensors, while the EUSART with auto-baud talks to wireless co-processors or host MCUs. Industrial -40C to +85C support covers outdoor and cold-chain deployments. The 64-QFN exposed pad delivers good thermal performance for sealed enclosures.
Được đề xuất
Home Appliance Control
Washer, dryer, dishwasher, and HVAC controllers benefit from the PIC16F1526-I/MR's combination of 30 ADC channels for temperature/pressure sensing, dual MSSP for user-interface and sensor buses, and 10 CCP/PWM channels for motor, valve, and buzzer drive. The 14 KB Flash holds appliance state-machine and diagnostic firmware, while the 64-QFN package fits compact appliance PCAs. Industrial temperature range supports unheated utility-room installations.
Được đề xuất
Automotive Body & Comfort Module
Door-module, mirror-control, seat-controller, and lighting-node applications can use the PIC16F1526-I/MR with PIC16F1526-E/MR (extended -40C to +125C) variant for under-hood or cabin thermal stress. The 30 ADC channels read switch positions, potentiometers, and current-sense amplifiers, while EUSART and MSSP link to LIN/CAN transceivers or local sensor networks. The 64-QFN exposed pad supports reflow-compatible automotive assembly lines. Note: AEC-Q100 qualification status is not confirmed in provided data - verify with Microchip for production automotive programs.
Được đề xuất
Test & Measurement Instrumentation
Bench-top multimeters, data loggers, and hand-held instruments benefit from the PIC16F1526-I/MR's 30 ADC channels, 14 KB Flash for calibration tables and UI, and dual MSSP for display and EEPROM interfacing. The 20 MHz core executes averaging and RMS calculations in real time, while the 64-QFN exposed pad supports sustained operation. The 1.8-5.5 V range lets designers tap battery or USB power directly with a single LDO. Five timers simplify frequency and period measurements on external signals.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16F1526-I/MR — 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 | PIC16F1527-I/MR | PIC16F1526-E/MR | PIC16F1526-I/PT | PIC16F1527-E/MR | PIC16F15256-E/SP |
|---|---|---|---|---|---|---|
| Package | 64-QFN (9x9 mm) with EP | 64-QFN (9x9 mm) with EP - same | 64-QFN (9x9 mm) with EP - same | 64-TQFP - different | 64-QFN (9x9 mm) with EP - same | 64-QFN family - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 14 KB | 28 KB | 14 KB | 14 KB | 28 KB | 28 KB |
| RAM | 768 bytes | 1536 bytes | 768 bytes | 768 bytes | 1536 bytes | 2 KB |
| Max CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 32 MHz |
| ADC | 10-bit, 30 channels | 10-bit, 30 channels | 10-bit, 30 channels | 10-bit, 30 channels | 10-bit, 30 channels | 10-bit, similar channels |
| Supply 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 |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +125C |
Bảo phân biệt quan trọng
- Largest ADC channel count in the 64-pin PIC16 XLP family (vsPIC16F1516-I/ML)
- Direct drop-in upgrade path with PIC16F1527-I/MR (vsPIC16F1527-I/MR)
- Extended-temperature variant available (vsPIC16F1526-E/MR)
Ghi chú thiết kế
Estimated: The 64-QFN exposed pad is the primary thermal path for the PIC16F1526-I/MR. At 20 MHz full activity with all peripherals enabled, core current is roughly 5-8 mA at 5 V (~25-40 mW). Solder the EP to a ground copper pour of at least 1 square inch (645 mm^2) on the top layer with multiple thermal vias to inner/outer ground layers to keep junction temperature rise well below 30 C above ambient.
Place a 100 nF ceramic decoupling capacitor (X7R) within 3 mm of each VDD pin (pins 10, 28) and one 10 uF bulk tantalum or ceramic on the supply rail. Separate analog AVDD (pin 62) from digital VDD with its own 100 nF + 10 uF LC/RC filter network. Connect AVSS (pin 61) and VSS (pins 9, 27) to a low-impedance ground plane to avoid ADC reference noise.
Keep traces to the 16 MHz crystal/oscillator pins (RA6/RA7) short and surrounded by a guard ring tied to ground. Avoid routing noisy switching signals or PWM outputs adjacent to the analog ADC inputs (Port A/B). Route the MCLR line with a 10 kohm pull-up and place the ICSP programming connector footprint near pins 17 (RB6/ICSPCLK) and 18 (RB7/ICSPDAT) for in-circuit programming access without rework.
Do not leave the MCLR pin floating - always tie to VDD via 10 kohm pull-up to prevent spurious resets. Configure unused I/O pins as outputs driven low to minimize sleep current draw. The 1.8 V minimum supply applies only when the internal 16 MHz oscillator is bypassed for lower frequencies; verify VDD vs. frequency limits in the datasheet electrical characteristics before locking in your operating point.
Thông tin tuân thủ
RoHS and lead-free compliant per Microchip product page. PIC16F1526-I/MR is industrial-grade (-40C to +85C); automotive programs should select PIC16F1526-E/MR (extended) and verify AEC-Q100 status with Microchip FAE.
