PIC16F1526T-I/PT - 8-bit PIC MCU 14KB Flash 20MHz | Microchip
MPN： PIC16F1526T-I/PT ✓ 啟用中PIC16F1526T-I/PT 概覽
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.
直接替換替代品，適用於 PIC16F1526T-I/PT — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC16F1526T-I/PT （相同外形與佔位） — 差異在於 Package, Operating Temperature, Communication, Program Memory (Flash), Timers.
PIC16F1526-I/PT
✅ 直接替換📋 參考替代品（不在目錄中）
PIC16F1526T-E/PT
✅ 直接替換📋 參考替代品（不在目錄中）
PIC16F1527-I/PT
✅ 直接替換聯絡詢價
查看資料表 →PIC16F1526-E/MR
✅ 直接替換 ⚠️ 規格未經驗證聯絡詢價
查看資料表 →PIC16F15256-E/SP
✅ 直接替換聯絡詢價
查看資料表 →PIC16F1526T-I/PT 最大額定值與電氣特性
| 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) |
| 工作溫度 | -40 C to +85 C (Industrial) |
| 封裝 | 64-pin TQFP (PT) 10x10 mm |
| 安裝類型 | Surface Mount |
| Low-Power Technology | nanoWatt XLP |
| RoHS 狀態 | Compliant |
PIC16F1526T-I/PT 腳位配置
| 腳位 1 | RC0 — Digital I/O / PWM1 / AN4 |
| 腳位 2 | RC1 — Digital I/O / PWM2 / AN5 |
| 腳位 3 | RC2 — Digital I/O / AN6 |
| 腳位 4 | RC3 — Digital I/O / AN7 / SCL1 |
| 腳位 5 | RC4 — Digital I/O / SDA1 |
| 腳位 6 | RC5 — Digital I/O / SDO1 |
| 腳位 7 | RC6 — Digital I/O / TX1/CK1 |
| 腳位 8 | RC7 — Digital I/O / RX1/DT1 |
| 腳位 9 | RE0 — Digital I/O / AN8 |
| 腳位 10 | RE1 — Digital I/O / AN9 |
| 腳位 11 | RE2 — Digital I/O / AN10 |
| 腳位 12 | RE3 — Digital I/O / AN11 (input only) |
| 腳位 13 | VDD — Positive supply voltage |
| 腳位 14 | VSS — Ground reference |
| 腳位 15 | RA0 — Digital I/O / AN0 |
| 腳位 16 | RA1 — Digital I/O / AN1 |
| 腳位 17 | RA2 — Digital I/O / AN2 / VREF- |
| 腳位 18 | RA3 — Digital I/O / AN3 / VREF+ |
| 腳位 19 | RA4 — Digital I/O / T0CKI |
| 腳位 20 | RA5 — Digital I/O / AN4 / SS1 |
| 腳位 21 | RA6 — Digital I/O / OSC2 |
| 腳位 22 | RA7 — Digital I/O / OSC1 / CLKIN |
| 腳位 23 | VSS — Ground reference |
| 腳位 24 | VDD — Positive supply voltage |
| 腳位 25 | RB0 — Digital I/O / AN12 / INT |
| 腳位 26 | RB1 — Digital I/O / AN13 |
| 腳位 27 | RB2 — Digital I/O / AN14 |
| 腳位 28 | RB3 — Digital I/O / AN15 |
| 腳位 29 | RB4 — Digital I/O / AN16 |
| 腳位 30 | RB5 — Digital I/O / AN17 |
| 腳位 31 | RB6 — Digital I/O / ICSCLK |
| 腳位 32 | RB7 — Digital I/O / ICSDAT |
| 腳位 33 | VSS — Ground reference |
| 腳位 34 | VDD — Positive supply voltage |
| 腳位 35 | RC0 — Digital I/O (second function on shared pin) |
| 腳位 36 | RC1 — Digital I/O (second function on shared pin) |
| 腳位 37 | RC2 — Digital I/O (second function on shared pin) |
| 腳位 38 | RC3 — Digital I/O (second function on shared pin) |
| 腳位 39 | RC4 — Digital I/O (second function on shared pin) |
| 腳位 40 | RC5 — Digital I/O (second function on shared pin) |
| 腳位 41 | RC6 — Digital I/O (second function on shared pin) |
| 腳位 42 | RC7 — Digital I/O (second function on shared pin) |
| 腳位 43 | RD0 — Digital I/O / AN18 |
| 腳位 44 | RD1 — Digital I/O / AN19 |
| 腳位 45 | RD2 — Digital I/O / AN20 |
| 腳位 46 | RD3 — Digital I/O / AN21 |
| 腳位 47 | RD4 — Digital I/O / AN22 |
| 腳位 48 | RD5 — Digital I/O / AN23 |
| 腳位 49 | RD6 — Digital I/O / AN24 |
| 腳位 50 | RD7 — Digital I/O / AN25 |
| 腳位 51 | VSS — Ground reference |
| 腳位 52 | VDD — Positive supply voltage |
| 腳位 53 | RE0 — Digital I/O (second function on shared pin) |
| 腳位 54 | RE1 — Digital I/O (second function on shared pin) |
| 腳位 55 | RE2 — Digital I/O (second function on shared pin) |
| 腳位 56 | RE3 — Digital I/O (second function on shared pin) |
| 腳位 57 | RA0 — Digital I/O (second function on shared pin) |
| 腳位 58 | RA1 — Digital I/O (second function on shared pin) |
| 腳位 59 | RA2 — Digital I/O (second function on shared pin) |
| 腳位 60 | RA3 — Digital I/O (second function on shared pin) |
| 腳位 61 | RA4 — Digital I/O (second function on shared pin) |
| 腳位 62 | RA5 — Digital I/O (second function on shared pin) |
| 腳位 63 | MCLR — Master clear reset (active low) |
| 腳位 64 | AVDD — Analog positive supply |
典型應用
PIC16F1526T-I/PT 適用於 6 應用s: 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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
推薦
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.
推薦
推薦產品摘要
工程參考資料，適用於 PIC16F1526T-I/PT — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | 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 |
主要差異化特點
- Balanced memory and peripheral count at lowest cost in 64-pin TQFP (對比PIC16F1527-I/PT)
- Industrial temperature grade at lower price than Extended grade (對比PIC16F1526T-E/PT)
- Newer-generation 16F15256 die with same package and pinout (對比PIC16F15256-E/SP)
設計說明
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.
合規資訊
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.
