PIC16F1776-I/SP - 8-bit 32MHz 14KB Flash MCU 28-SPDIP | Microchip
MPN: PIC16F1776-I/SP ✓ فعالPIC16F1776-I/SP جائزہ
A microcontroller (MCU) is a single-chip computer that integrates a CPU, non-volatile program memory (Flash/ROM), volatile working memory (RAM), and a configurable set of peripheral blocks (ADC, timers, PWM, communication ports). The PIC16F1776 belongs to the broader category of 8-bit microcontrollers, sitting hierarchically between the simplified PIC10/12/16 baseline family and the higher-performance 16-bit dsPIC/PIC24 families. Its enhanced mid-range core with 49 instructions and 14-bit instruction word delivers deterministic real-time response favored in cost-sensitive embedded designs.
Key features of the PIC16F1776-I/SP include up to 28 I/O pins, an internal oscillator, four 16-bit timers, multiple PWM channels with complementary outputs, a 10-bit ADC with computation, three op-amps (Intelligent Analog), two 10-bit DACs, two comparators, and zero-cross detection. It supports up to four 16-bit PWM channels suitable for power-supply and lighting control. The 28-SPDIP package simplifies hand prototyping and rework in lab environments.
From an architecture standpoint, the PIC16F1776 leverages a Harvard RISC core with separate program and data buses, allowing simultaneous instruction fetch and operand access. The on-chip Charge Time Measurement Unit (CTMU) supports capacitive touch and time-of-flight measurements, while the hardware Limit Generator and Slope Compensation blocks offload power-supply control loops from software, dramatically reducing firmware complexity for SMPS designs.
Typical applications include LED lighting drivers, switched-mode power supplies (SMPS), DC-DC converters, battery chargers, brushless DC motor control, and general-purpose industrial sensing. The wide operating voltage (1.8 V to 5.5 V) and integrated op-amps reduce external analog component count.
When designing with this MCU, ensure the ICSP programming header is accessible for field firmware updates. For SMPS designs, use the dedicated 16-bit PWM with programmable dead-band and slope compensation rather than bit-banging in firmware. Adequate decoupling (100 nF + 10 µF) near VDD and AVDD pins is essential to keep ADC readings stable.
This page synthesizes distributor pricing, drop-in PIC16 alternatives, application notes, and practical design guidance not found on the manufacturer datasheet alone, helping engineers evaluate the PIC16F1776-I/SP against modern 32-bit alternatives and find verified same-package drop-in replacements.
کے لیے ڈراپ اِن متبادل PIC16F1776-I/SP — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں PIC16F1776-I/SP (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, ADC, DAC, Timers, Operating Temperature.
PIC16F1776-E/SP
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F1778-I/SP
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F1716-I/SP
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F1718-I/SP
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F1769-I/SS
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F1619-I/P
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16F1776-I/SP زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | PIC16 enhanced mid-range 8-bit RISC |
| Instruction Set Width | 14-bit |
| Maximum CPU Frequency | 32 MHz |
| Instruction Cycle Time | 200 ns at 20 MHz (1-cycle) / 125 ns at 32 MHz |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data RAM | 1 KB |
| Data EEPROM | 128 bytes (per PIC16F177x family) |
| ADC | 10-bit, multiple channels |
| Operating Voltage Range | 1.8 V to 5.5 V |
| I/O Pins | Up to 28 |
| Timers | 4 x 16-bit / 2 x 8-bit |
| PWM Channels | Up to 4 x 16-bit with complementary outputs and dead-band |
| On-chip Operational Amplifiers | 3 x Intelligent Analog op-amps |
| Comparators | 2 |
| 10-bit DAC Modules | 2 |
| Communication Peripherals | I2C, SPI, EUSART with LIN support |
| پیکیج | 28-pin SPDIP (0.300 inch / 7.62 mm row spacing, through-hole) |
| ماؤنٹنگ ٹائپ | Through-Hole (DIP) |
| آپریٹنگ درجہ حرارت رینج | -40 °C to +85 °C (Industrial, I grade) |
| RoHS اسٹیٹس | Compliant |
PIC16F1776-I/SP پن کنفیگریشن
| پن 1 | RA3/AN3/C1IN+/C2IN+/C3IN+/OP1-/OP1+ — Bidirectional I/O; analog input; comparator input; op-amp 1 inverting/non-inverting input |
| پن 2 | RA4/AN4/C1OUT/T0CKI/OP1OUT — Bidirectional I/O; analog input; comparator 1 output; Timer0 clock; op-amp 1 output |
| پن 3 | RA5/AN5/VCAP/DAC1OUT/OP2-/OP2+ — Bidirectional I/O; analog input; voltage regulator capacitor; DAC1 output; op-amp 2 input |
| پن 4 | RA6/AN6/OSC2/CLKOUT/OP2OUT — Bidirectional I/O; analog input; oscillator output; clock output; op-amp 2 output |
| پن 5 | RA7/AN7/OSC1/CLKIN/OP3-/OP3+ — Bidirectional I/O; analog input; oscillator input; op-amp 3 input |
| پن 6 | VSS — Ground reference |
| پن 7 | VDD — Positive power supply (1.8V to 5.5V) |
| پن 8 | RB0/AN12/CCP4/SRI/OP3OUT — Bidirectional I/O; analog input; Capture/Compare/PWM; op-amp 3 output |
| پن 9 | RB1/AN10/C1IN3-/C2IN3-/C3IN3-/PWM3 — Bidirectional I/O; analog input; comparator input; PWM output 3 |
| پن 10 | RB2/AN8/PWM2 — Bidirectional I/O; analog input; PWM output 2 |
| پن 11 | RB3/AN9/C1IN2-/C2IN2-/C3IN2-/PWM1 — Bidirectional I/O; analog input; comparator input; PWM output 1 |
| پن 12 | RB4/AN11/PWM4 — Bidirectional I/O; analog input; PWM output 4 |
| پن 13 | RB5/AN13/PWM5 — Bidirectional I/O; analog input; PWM output 5 |
| پن 14 | RB6/ICSPCLK/ICDCLK — Bidirectional I/O; in-circuit serial programming clock / debug clock |
| پن 15 | RB7/ICSPDAT/ICDDAT — Bidirectional I/O; in-circuit serial programming data / debug data |
| پن 16 | RC0/SOSCO/T1CKI — Bidirectional I/O; secondary oscillator output; Timer1 clock input |
| پن 17 | RC1/SOSCI/CCP2 — Bidirectional I/O; secondary oscillator input; Capture/Compare/PWM 2 |
| پن 18 | RC2/AN14/PWM6 — Bidirectional I/O; analog input; PWM output 6 |
| پن 19 | RC3/AN15/PWM7 — Bidirectional I/O; analog input; PWM output 7 |
| پن 20 | RC4/AN16/PWM8/DAC2OUT — Bidirectional I/O; analog input; PWM output 8; DAC2 output |
| پن 21 | RC5/AN17/PWM9 — Bidirectional I/O; analog input; PWM output 9 |
| پن 22 | RC6/AN18/SS/TX/CK — Bidirectional I/O; analog input; SPI slave select; EUSART TX/CK |
| پن 23 | RC7/AN19/SDI/RX/DT — Bidirectional I/O; analog input; SPI data in; EUSART RX/DT |
| پن 24 | RE3/MCLR/VPP — Master Clear reset (active low); programming voltage |
| پن 25 | RA0/AN0/C1IN0-/C2IN0-/C3IN0-/DAC1OUT2 — Bidirectional I/O; analog input; comparator input; DAC1 alt output |
| پن 26 | RA1/AN1/C1IN1-/C2IN1-/C3IN1-/DAC1REF- — Bidirectional I/O; analog input; comparator input; DAC1 reference negative |
| پن 27 | RA2/AN2/DAC1REF+/VREF+ — Bidirectional I/O; analog input; DAC1 reference positive; ADC voltage reference |
| پن 28 | AVDD — Analog power supply (connect to VDD or filtered analog rail) |
عام استعمالات
PIC16F1776-I/SP کے لیے موزوں ہے 6 ایپلیکیشنs: LED Lighting Drivers, Switch-Mode Power Supplies (SMPS), Battery Charging Systems, BLDC and DC Motor Control, Industrial Sensing and Process Control, General Purpose Embedded Control.
LED Lighting Drivers
The PIC16F1776-I/SP is purpose-built for LED lighting applications, combining four 16-bit PWM channels with programmable dead-band and three integrated on-chip op-amps. The Intelligent Analog peripherals enable closed-loop current regulation for constant-current LED strings without external transconductance amplifiers. With 32 MHz CPU speed and 1 KB RAM, the MCU implements dimming curves, color-mixing algorithms, and DMX/RDM protocols in firmware. Compared with a discrete 555-timer LED driver, the PIC16F1776-I/SP reduces BOM count and supports field firmware upgrades over ICSP. Operating from 1.8 V to 5.5 V simplifies direct battery-powered lantern designs.
تجویز کردہ
Switch-Mode Power Supplies (SMPS)
The PIC16F1776-I/SP is Microchip's flagship PIC16 family MCU for digital SMPS control, integrating the Power Control PWM module with hardware slope compensation. Peak current-mode control of buck, boost, flyback, and SEPIC converters can be implemented with three op-amps closing the voltage and current feedback loops. The 32 MHz CPU bandwidth and 200 ns ADC sampling are sufficient for sub-microsecond control loop updates at 100-500 kHz switching frequencies. Compared with analog UC3842 controllers, the digital approach enables adaptive dead-time, soft-start profiles, and telemetry output via UART or I2C for predictive maintenance.
تجویز کردہ
Battery Charging Systems
For lithium-ion, LiFePO4, and lead-acid battery chargers, the PIC16F1776-I/SP's integrated op-amps measure charge current and battery voltage while the 16-bit PWM regulates the buck converter duty cycle. The 10-bit ADC with computation handles CC/CV (constant-current / constant-voltage) charge profiles, and the integrated temperature-indicator module provides battery thermal protection. Compared with a discrete charger using op-amps plus a comparator, the PIC16F1776-I/SP solution achieves higher accuracy and supports chemistry-specific charge algorithms in firmware.
تجویز کردہ
BLDC and DC Motor Control
The PIC16F1776-I/SP drives brushless DC (BLDC) and brushed DC motors using its complementary 16-bit PWM outputs with programmable dead-band, eliminating shoot-through in H-bridge configurations. The three on-chip op-amps sample motor phase currents for sensor-less back-EMF or current-sense-based commutation. Operating from 1.8 V to 5.5 V and 32 MHz CPU speed, the MCU runs field-oriented control (FOC) or trapezoidal commutation algorithms in real time. The 28-SPDIP package is preferred for hand-prototyped motor-control boards because each pin is accessible for scope probing during tuning.
تجویز کردہ
Industrial Sensing and Process Control
In factory-automation and process-control applications, the PIC16F1776-I/SP provides 10-bit ADC channels for analog sensors, EUSART for Modbus RTU communication, and op-amp signal conditioning on-chip. The 1 KB RAM and 14 KB flash are sufficient for PID control loops, sensor linearization tables, and HMI keypad scanning. With an industrial temperature range of -40 °C to +85 °C (-I grade) and wide 1.8 V to 5.5 V supply tolerance, it operates reliably on 24V-sensor rails with simple LDO regulation. Compared with an ASIC, the PIC16F1776-I/SP allows late-stage firmware customization for OEM-specific I/O mapping.
تجویز کردہ
General Purpose Embedded Control
Beyond its specialized analog and SMPS features, the PIC16F1776-I/SP functions as a general-purpose 8-bit MCU for consumer appliances, IoT edge nodes, and hobbyist projects. With 28 I/O, multiple timers, I2C/SPI/EUSART peripherals, and 14 KB flash, it can drive character LCDs, scan keypads, and manage battery-powered peripherals. The 32 MHz CPU speed is adequate for sensor-fusion light-duty tasks. Compared with the PIC16F877A legacy device, the PIC16F1776-I/SP offers higher analog integration at similar cost, making it a drop-in upgrade path for legacy designs that have outgrown the 877A's peripheral set.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16F1776-I/SP — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16F1776-E/SP | PIC16F1778-I/SP | PIC16F1716-I/SP | PIC16F1718-I/SP |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SPDIP | 28-SPDIP (same) | 28-SPDIP (same) | 28-SPDIP (same) | 28-SPDIP (same) |
| Flash Program Memory | 14 KB | 14 KB | 28 KB | 28 KB | 28 KB |
| Data RAM | 1 KB | 1 KB | 2 KB | 2 KB | 2 KB |
| Maximum CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Integrated Op-Amps | 3 | 3 | 3 | 0 (no Intelligent Analog op-amps) | 0 |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| Operating Voltage Range | 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 (I / E grade) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
اہم امتیازی خصوصیات
- Three integrated Intelligent Analog op-amps eliminate external analog components (بمقابلہPIC16F1716-I/SP)
- Dedicated Power Control PWM with hardware slope compensation (بمقابلہPIC16F1718-I/SP)
- 14 KB flash with Intelligent Analog balances cost and capability (بمقابلہPIC16F1778-I/SP)
- Industrial temperature grade for harsh environments (بمقابلہPIC16F1776-E/SP)
ڈیزائن نوٹس
Place a 100 nF decoupling capacitor directly between each VDD/AVDD pair and VSS within 2 mm of the MCU pins. Add a bulk 10 uF tantalum or ceramic capacitor on the main 3.3 V or 5 V rail. The PIC16F1776's analog reference (VREF+) requires a separate 1-10 uF ceramic bypass capacitor if used; insufficient decoupling introduces 50/60 Hz noise on ADC readings.
Estimated: At maximum operating frequency of 32 MHz and 5.5 V supply, the PIC16F1776-I/SP core current is typically around 7-9 mA active, dissipating roughly 50 mW in the 28-SPDIP package. At industrial ambient temperatures the device operates reliably without heatsinking. For sealed enclosures with reduced airflow, verify junction temperature stays below 125 C using Microchip's thermal calculator and worst-case ambient assumptions.
Keep analog signal traces (AN0-AN19, op-amp inputs/outputs) routed away from digital switching lines and PWM outputs to minimize capacitive coupling. Use a ground pour on the top layer stitched to the bottom ground plane via 4-8 vias placed around the MCU. The MCLR pin requires a 10 kohm pull-up to VDD; in noisy industrial environments add a 100 nF capacitor to ground for hardware-reset debounce.
Do not leave the MCLR pin floating - an unbonded MCLR will pick up noise and cause spurious resets. Do not drive PWM outputs into short circuits during programming - configure them as high-impedance in the CONFIG register before ICSP programming. The ADC result is undefined if the input voltage exceeds AVDD; add external clamping diodes when measuring above-rail signals.
For high-speed SPI communications above 4 MHz, use series resistors (22-33 ohm) on CLK and MOSI lines close to the master to dampen ringing. The ICSP programming pins RB6/ICSPCLK and RB7/ICSPDAT can be used for general I/O after reset, but ensure the ICSP header's GND-VDD-MCLR-CLK-DAT line is present for field firmware updates in production hardware.
تعمیل کی معلومات
RoHS and REACH compliant per Microchip product page. Industrial -I temperature grade only; AEC-Q100 qualification not available in -I grade - choose automotive-qualified PIC16F1776-E/SP or PIC18F family for AEC-Q100 designs.
