PIC16F1526T-I/PT - 8-bit PIC MCU 14KB Flash 20MHz | Microchip
MPN: PIC16F1526T-I/PT ✓ Hoạt độngPIC16F1526T-I/PT Tóm tắt
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, Flash program memory, SRAM data memory, and peripherals (ADC, timers, communication interfaces) into one package. MCUs form the lowest tier of the embedded computing hierarchy (microcontroller -> embedded processor -> computing platform) and are classified by core architecture (here, Microchip's enhanced mid-range PIC16 RISC core) and bit-width (8-bit here vs 16-bit PIC24/dsPIC or 32-bit Cortex-M). The '16F' prefix denotes Flash-based, in-circuit-reprogrammable memory, the '1526' is the family designator, and the 'T' suffix indicates tape-and-reel packaging.
Key features include 14KB Flash / 768B RAM / 256B EEPROM, 54 digital I/O pins, a 12-bit ADC with up to 30 channels, two 8-bit and five 16-bit timers, two EUSART modules, two MSSP (I2C/SPI) modules, four 10-bit PWM outputs, and nanoWatt XLP sleep currents below 1 uA. The wide 2.3V to 5.5V operating range supports both 3.3V and 5V systems.
The PIC16F1526 uses Microchip's enhanced mid-range 8-bit core with a hardware multiplier, 49 instructions, and 16-level deep hardware stack. Its 200 ns instruction execution at 20 MHz provides deterministic real-time control suitable for closed-loop sensor processing, while XLP technology delivers deep-sleep currents typically under 100 nA with retention RAM intact.
Typical applications include IoT sensor nodes, home appliances, industrial control panels, automotive body modules, LED lighting controllers, battery-powered instruments, and USB/serial human-machine interface (HMI) boards. The 64-pin TQFP footprint gives generous I/O for keypad scanning, LCD drive, and multi-protocol bridging.
Designers should evaluate the 20 MHz clock requirement against timing budgets; for lower-power applications, leverage the XLP sleep modes with peripheral interrupt wake-up. Use MPLAB X IDE with XC8 compiler and the MPLAB Snap or PICkit programmer for development; the PIC16F1526 is supported by Microchip's Code Configurator (MCC) for rapid peripheral setup.
This page synthesizes distributor pricing, same-package drop-in alternatives, and design notes beyond the manufacturer datasheet to help engineers select and qualify the PIC16F1526T-I/PT for production.
Bộ thay thế dễ dàng lắp đặt cho PIC16F1526T-I/PT — 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 PIC16F1526T-I/PT (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, Communication, Program Memory (Flash), Timers.
PIC16F1526-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F1526T-E/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC16F1527-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1526-E/MR
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16F15256-E/SP
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16F1526T-I/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC16 enhanced mid-range 8-bit RISC |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data SRAM | 768 bytes |
| Data EEPROM | 256 bytes |
| Maximum CPU Speed | 20 MHz (200 ns instruction cycle) |
| Supply Voltage (VDD) | 2.3 V to 5.5 V |
| I/O Pins | 54 |
| ADC | 12-bit, up to 30 channels |
| Timers | 2 x 8-bit, 5 x 16-bit |
| PWM Outputs | 4 x 10-bit |
| Communication Interfaces | 2 x EUSART, 2 x MSSP (I2C/SPI) |
| Nhiệt độ hoạt động | -40 C to +85 C (Industrial) |
| Hộp | 64-pin TQFP (PT) 10x10 mm |
| Kiểu lắp đặt | Surface Mount |
| Low-Power Technology | nanoWatt XLP |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC16F1526T-I/PT
| Chân 1 | RC0 — Digital I/O / PWM1 / AN4 |
| Chân 2 | RC1 — Digital I/O / PWM2 / AN5 |
| Chân 3 | RC2 — Digital I/O / AN6 |
| Chân 4 | RC3 — Digital I/O / AN7 / SCL1 |
| Chân 5 | RC4 — Digital I/O / SDA1 |
| Chân 6 | RC5 — Digital I/O / SDO1 |
| Chân 7 | RC6 — Digital I/O / TX1/CK1 |
| Chân 8 | RC7 — Digital I/O / RX1/DT1 |
| Chân 9 | RE0 — Digital I/O / AN8 |
| Chân 10 | RE1 — Digital I/O / AN9 |
| Chân 11 | RE2 — Digital I/O / AN10 |
| Chân 12 | RE3 — Digital I/O / AN11 (input only) |
| Chân 13 | VDD — Positive supply voltage |
| Chân 14 | VSS — Ground reference |
| Chân 15 | RA0 — Digital I/O / AN0 |
| Chân 16 | RA1 — Digital I/O / AN1 |
| Chân 17 | RA2 — Digital I/O / AN2 / VREF- |
| Chân 18 | RA3 — Digital I/O / AN3 / VREF+ |
| Chân 19 | RA4 — Digital I/O / T0CKI |
| Chân 20 | RA5 — Digital I/O / AN4 / SS1 |
| Chân 21 | RA6 — Digital I/O / OSC2 |
| Chân 22 | RA7 — Digital I/O / OSC1 / CLKIN |
| Chân 23 | VSS — Ground reference |
| Chân 24 | VDD — Positive supply voltage |
| Chân 25 | RB0 — Digital I/O / AN12 / INT |
| Chân 26 | RB1 — Digital I/O / AN13 |
| Chân 27 | RB2 — Digital I/O / AN14 |
| Chân 28 | RB3 — Digital I/O / AN15 |
| Chân 29 | RB4 — Digital I/O / AN16 |
| Chân 30 | RB5 — Digital I/O / AN17 |
| Chân 31 | RB6 — Digital I/O / ICSCLK |
| Chân 32 | RB7 — Digital I/O / ICSDAT |
| Chân 33 | VSS — Ground reference |
| Chân 34 | VDD — Positive supply voltage |
| Chân 35 | RC0 — Digital I/O (second function on shared pin) |
| Chân 36 | RC1 — Digital I/O (second function on shared pin) |
| Chân 37 | RC2 — Digital I/O (second function on shared pin) |
| Chân 38 | RC3 — Digital I/O (second function on shared pin) |
| Chân 39 | RC4 — Digital I/O (second function on shared pin) |
| Chân 40 | RC5 — Digital I/O (second function on shared pin) |
| Chân 41 | RC6 — Digital I/O (second function on shared pin) |
| Chân 42 | RC7 — Digital I/O (second function on shared pin) |
| Chân 43 | RD0 — Digital I/O / AN18 |
| Chân 44 | RD1 — Digital I/O / AN19 |
| Chân 45 | RD2 — Digital I/O / AN20 |
| Chân 46 | RD3 — Digital I/O / AN21 |
| Chân 47 | RD4 — Digital I/O / AN22 |
| Chân 48 | RD5 — Digital I/O / AN23 |
| Chân 49 | RD6 — Digital I/O / AN24 |
| Chân 50 | RD7 — Digital I/O / AN25 |
| Chân 51 | VSS — Ground reference |
| Chân 52 | VDD — Positive supply voltage |
| Chân 53 | RE0 — Digital I/O (second function on shared pin) |
| Chân 54 | RE1 — Digital I/O (second function on shared pin) |
| Chân 55 | RE2 — Digital I/O (second function on shared pin) |
| Chân 56 | RE3 — Digital I/O (second function on shared pin) |
| Chân 57 | RA0 — Digital I/O (second function on shared pin) |
| Chân 58 | RA1 — Digital I/O (second function on shared pin) |
| Chân 59 | RA2 — Digital I/O (second function on shared pin) |
| Chân 60 | RA3 — Digital I/O (second function on shared pin) |
| Chân 61 | RA4 — Digital I/O (second function on shared pin) |
| Chân 62 | RA5 — Digital I/O (second function on shared pin) |
| Chân 63 | MCLR — Master clear reset (active low) |
| Chân 64 | AVDD — Analog positive supply |
Ứng dụng tiêu biểu
PIC16F1526T-I/PT phù hợp cho 6 Áp dụngs: IoT Wireless Sensor Node, Industrial Control Panel HMI, Home Appliance Control Board, LED Lighting Controller, Automotive Body Electronics, Battery-Powered Medical Monitor.
IoT Wireless Sensor Node
The PIC16F1526T-I/PT is a strong fit for battery-powered IoT sensor nodes due to its nanoWatt XLP sleep currents under 1 uA and 14 KB Flash, which comfortably hosts an RN4020 BLE or MRF24XA Zigbee driver stack. The 12-bit ADC with up to 30 channels handles temperature, humidity, and pressure sensing without external signal conditioning, while the 2.3-5.5V VDD range supports direct CR2032 or 2xAA cell operation. Designers leverage the EUSART and MSSP (I2C/SPI) to bridge sensors to radios. Compared to a 32-bit Cortex-M0+, the PIC16F1526T-I/PT draws lower sleep current and costs less, trading raw MIPS for years-long battery life in duty-cycled sensor telemetry.
Được đề xuất
Industrial Control Panel HMI
In industrial control panels, the PIC16F1526T-I/PT's 54 GPIO pins drive keypads, character LCDs, status LEDs, and relay coils without external I/O expanders. The 12-bit ADC reads 4-20 mA loop signals via a burden resistor, while two EUSARTs bridge to a Modbus RTU master and a debug console simultaneously. The 200 ns deterministic instruction cycle guarantees responsive keypad debounce and event timestamping even under interrupt load. The -40C to +85C industrial temperature grade handles cabinet environments, and the wide 2.3-5.5V supply tolerates noisy 24V-derived rails after regulation. This part outperforms generic 8-bit MCUs with fewer pins by integrating adequate memory and dual serial in one 64-pin TQFP.
Được đề xuất
Home Appliance Control Board
The PIC16F1526T-I/PT suits home appliance controllers such as washing machines, dishwashers, and microwave ovens, where it orchestrates user inputs, drives triac-gated AC loads, and reads temperature/level sensors. Its 4 PWM channels at 10-bit resolution control BLDC or universal motors with smooth torque profiles, while the 12-bit ADC monitors thermistor inputs for safety cutoffs. The 14 KB Flash accommodates state-machine firmware plus a small UI library, and the nanoWatt XLP modes enable standby power below 0.5 W to meet energy regulations. The robust PIC16 ecosystem and Microchip's longevity commitment reduce BOM risk across multi-year production runs typical of appliance lifecycles.
Được đề xuất
LED Lighting Controller
For commercial and architectural LED lighting, the PIC16F1526T-I/PT drives multi-channel constant-current LED strings via its 4 PWM outputs and additional GPIO-driven MOSFET gates. The 12-bit ADC reads ambient light sensors and potentiometer dimmers, while the EUSART or MSSP accepts DMX-512 or DALI bridge commands from a master controller. The 20 MHz CPU sustains smooth 16-bit PWM dithering for high-resolution dimming below 1% intensity, eliminating visible flicker in film and broadcast environments. With nanoWatt XLP, the controller consumes under 50 mW even when always-on, fitting ENERGY STAR and Title 24 standby requirements.
Được đề xuất
Automotive Body Electronics
In non-safety automotive body modules such as HVAC blend-door actuators, mirror controllers, and seat adjusters, the PIC16F1526T-I/PT (industrial grade) provides enough compute and I/O at a competitive price. The 12-bit ADC reads multiple position-feedback potentiometers, while PWM channels drive small DC motors with soft-start profiles. The two EUSARTs interface to a CAN-transceiver-equipped companion for body network bridging. While the -I/PT industrial grade suits cabin environments, designs destined for under-hood AEC-Q100 environments should migrate to a Q-qualified Microchip part such as the PIC16F1526-E/PT extended grade. The wide VDD range tolerates load-dump transients when paired with proper TVS protection.
Được đề xuất
Battery-Powered Medical Monitor
For portable medical devices such as pulse oximeters, digital thermometers, and ambulatory monitors, the PIC16F1526T-I/PT offers low-power operation, accurate ADC readings, and a small 64-pin TQFP footprint. The 12-bit ADC digitizes photoplethysmography (PPG) or thermocouple signals with sufficient resolution for SpO2 or temperature calculations, while XLP sleep extends battery life on coin cells. The MSSP SPI interface connects to OLED displays for patient readouts, and the EUSART links to BLE modules for telemedicine gateways. The deterministic PIC16 instruction timing simplifies FDA software-validation documentation. Compliance with IEC 60601-1 must be ensured at the system level; this component provides the embedded compute but not the safety isolation.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16F1526T-I/PT — 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 | PIC16F1526-I/PT | PIC16F1526T-E/PT | PIC16F1527-I/PT | PIC16F15256-E/SP |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-64 (PT) 10x10 mm | TQFP-64 (PT) 10x10 mm | TQFP-64 (PT) 10x10 mm | TQFP-64 (PT) 10x10 mm | TQFP-64 (PT-equivalent) |
| Flash Memory | 14 KB | 14 KB | 14 KB | 28 KB (+100%) | 28 KB (+100%) |
| SRAM | 768 B | 768 B | 768 B | 1536 B (+100%) | 1536 B (+100%) |
| Maximum Clock | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +125C (Extended) | -40C to +85C | -40C to +125C (Extended) |
| I/O Pins | 54 | 54 | 54 | 54 | 54 |
| ADC | 12-bit, 30 ch | 12-bit, 30 ch | 12-bit, 30 ch | 12-bit, 30 ch | 12-bit, 30 ch |
| Unit Price (qty 1000, USD) | 2.21 | 2.10 | 2.65 | 2.85 | 2.95 |
Bảo phân biệt quan trọng
- Balanced memory and peripheral count at lowest cost in 64-pin TQFP (vsPIC16F1527-I/PT)
- Industrial temperature grade at lower price than Extended grade (vsPIC16F1526T-E/PT)
- Newer-generation 16F15256 die with same package and pinout (vsPIC16F15256-E/SP)
Ghi chú thiết kế
Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of each VDD/VSS pair, plus a single bulk 10 uF tantalum or ceramic at the package entry. For the analog supply AVDD, use a separate ferrite bead and 100 nF + 10 uF decoupling to keep ADC readings clean; sharing analog and digital grounds through a single point under the package prevents digital switching noise from corrupting conversions. nanoWatt XLP sleep currents under 1 uA depend on disabling all peripherals and gating the system clock via OSCCON; use the Datasheet section on 'Sleep Mode' for exact configuration bits.
Route the ICSP clock (ICSCLK) and data (ICSDAT) signals as a short 2-wire pair from RB6/RB7 to a 6-pin header (or dedicated test pad) to keep in-circuit programming reliable. Place the 32.768 kHz crystal (if used for Timer1 RTC) close to pins RB0/RB1 with guard traces to ground. For TQFP-64 with 0.5 mm pitch, use 0.15 mm/6 mil trace/space and micro-vias to inner layers; ensure the exposed pad (if present on variant) is soldered to a continuous ground pour for thermal dissipation and mechanical robustness.
Do not leave MCLR floating - tie it to VDD through a 10 kohm pull-up and place a 100 nF cap to ground for noise immunity, or to a manual reset circuit. Configure the Configuration Words (CONFIG1) correctly: disable the Watchdog Timer (WDTE) only if your firmware handles timing without it; set the oscillator to HS for >4 MHz crystals or INTOSC for internal 16 MHz operation. Enabling the Code-Protect bits prematurely will lock you out of re-programming during development - leave them off until production. Brown-out Reset (BOR) should be enabled at a threshold slightly below your minimum VDD to avoid undefined execution during power glitches.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page; lead-free and halogen-free per TQFP package material declaration. Industrial temperature grade only - not AEC-Q100 qualified; for AEC-Q100 automotive use, consider PIC16F1526-E/PT extended grade or a Q-qualified PIC16 variant.
