PIC16LF1777-E/P - 8-Bit XLP MCU 14KB Flash 40-PDIP | Microchip
MPN: PIC16LF1777-E/P ✓ פעילPIC16LF1777-E/P סקירה
A microcontroller in the PIC16 family is a Harvard-architecture 8-bit RISC processor optimized for low-power, deterministic embedded control. The PIC16LF1777 belongs to the mid-range PIC16F/LF177x sub-family, which augments a classic 8-bit core with a rich set of on-chip analog and digital peripherals. In the broader taxonomy, it sits within: PIC16LF1777 -> PIC16 family -> PIC microcontroller -> 8-bit MCU -> microcontroller -> embedded processor -> semiconductor. Compared with 32-bit Cortex-M parts, the PIC16LF1777 trades raw throughput for lower power, deterministic interrupt latency, and a smaller code footprint per instruction.
Key differentiating features include 14 KB self-programmable Flash, 1 KB SRAM, an integrated 10-bit ADC with computation, multiple 10-bit DACs, four operational amplifiers, four high-speed comparators, zero-cross detection and programmable ramp generation. The device also provides Peripheral Pin Select (PPS) for flexible I/O mapping, up to 100 mA drive capability on I/O pins, and configurable 10/16-bit PWM peripherals. This peripheral density is unusually high for an 8-bit MCU, allowing many systems to be built with no external analog ICs.
Architecturally, the PIC16LF1777 uses a 14-bit instruction word with a hardware multiplier and an 8-level hardware stack. Internal 32 MHz oscillator accuracy supports baud-rate-critical UART/EUSART links, while dual rail-to-rail op-amps and comparators can be cascaded with the DACs to implement closed-loop SMPS, LED current drivers, or signal conditioning without external components.
Typical applications include LED lighting and color-mixing drivers, switch-mode power supply (SMPS) control, battery chargers, BLDC motor control, sensor signal conditioning and industrial control. The combination of PWM, op-amps, comparators and PRG is specifically tuned for digital-power and lighting designs.
When designing with this device, ensure VDDCORE decoupling follows Microchip's reference layout and consult the family data sheet for analog peripheral routing. The PIC16LF1777 in PDIP package provides easy prototyping and breadboard-friendly I/O access.
This page synthesizes distributor pricing, drop-in alternatives, and design notes not found in the manufacturer data sheet alone, providing engineering context that helps procurement and design engineers make faster decisions.
חלופות תחליף ישיר עבור PIC16LF1777-E/P — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם PIC16LF1777-E/P (אותו גורם צורה וטביעת רגל) — שונים ב Core, Operating Temperature, Package, ADC, DAC.
PIC16F1777-I/P
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
PIC16LF1777-I/P
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC16LF1776-I/P
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
PIC16LF1717-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC16F1717-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC16LF1777-E/P דירוגים מרביים ומאפיינים חשמליים
| Product Family | PIC16F/LF177x |
| Core | 8-bit PIC RISC |
| Program Memory (Flash) | 14 KB (8K x 14) |
| RAM | 1 KB |
| Max CPU Speed | 32 MHz |
| Operating Voltage | 1.8 V to 3.6 V (LF) |
| מארז | 40-pin PDIP (0.600", 15.24 mm) |
| ADC | 10-bit (multiple channels) |
| DAC | 10-bit (5-bit and 10-bit modules per FindIC) |
| On-chip Op-Amps | 4 |
| Comparators | High-speed comparators (HEF, HS Comp) |
| PWM Modules | 10-bit and 16-bit PWM |
| Zero-Cross Detector | Yes |
| Programmable Ramp Generator (PRG) | Yes |
| Peripheral Pin Select (PPS) | Yes |
| I/O Drive Current | 100 mA I/Os |
| Communication Interfaces | SPI, I2C, EUSART |
| טמפרטורת פעולה | -40C to +125C (E = extended) |
| סוג הרכבה | Through-Hole |
| רמת MSL | Not applicable (through-hole) |
תצורת פינים של PIC16LF1777-E/P
| פין 1 | RA3/AN3/C1IN+/C2IN+/ZCD — PORTA bit 3 / analog input / comparator input / zero-cross detect input |
| פין 2 | RA4/AN4/C2OUT — PORTA bit 4 / analog input / comparator 2 output |
| פין 3 | RA5/AN5 — PORTA bit 5 / analog input |
| פין 4 | RA6/OSC2 — PORTA bit 6 / oscillator output |
| פין 5 | RA7/OSC1 — PORTA bit 7 / oscillator input |
| פין 6 | VDDCORE — Core voltage supply (regulated internally) |
| פין 7 | RE0/AN20 — PORTE bit 0 / analog input |
| פין 8 | RE1/AN21 — PORTE bit 1 / analog input |
| פין 9 | RE2/AN22 — PORTE bit 2 / analog input |
| פין 10 | RE3/MCLR — PORTE bit 3 / Master Clear (reset) |
| פין 11 | VDD — Positive supply voltage (1.8V-3.6V) |
| פין 12 | VSS — Ground reference |
| פין 13 | RB0/AN12 — PORTB bit 0 / analog input |
| פין 14 | RB1/AN10 — PORTB bit 1 / analog input |
| פין 15 | RB2/AN8 — PORTB bit 2 / analog input |
| פין 16 | RB3/AN9 — PORTB bit 3 / analog input |
| פין 17 | RB4/AN11 — PORTB bit 4 / analog input |
| פין 18 | RB5/AN13 — PORTB bit 5 / analog input |
| פין 19 | RB6/PGC — PORTB bit 6 / ICSP clock |
| פין 20 | RB7/PGD — PORTB bit 7 / ICSP data |
| פין 21 | RC0/PWM1 — PORTC bit 0 / PWM output |
| פין 22 | RC1/PWM2 — PORTC bit 1 / PWM output |
| פין 23 | RC2/PWM3 — PORTC bit 2 / PWM output |
| פין 24 | RC3/PWM4 — PORTC bit 3 / PWM output |
| פין 25 | RC4/SDA — PORTC bit 4 / I2C data |
| פין 26 | RC5/SCL — PORTC bit 5 / I2C clock |
| פין 27 | RC6/TX — PORTC bit 6 / EUSART TX |
| פין 28 | RC7/RX — PORTC bit 7 / EUSART RX |
| פין 29 | RD0 — PORTD bit 0 |
| פין 30 | RD1 — PORTD bit 1 |
| פין 31 | RD2 — PORTD bit 2 |
| פין 32 | RD3 — PORTD bit 3 |
| פין 33 | RD4 — PORTD bit 4 |
| פין 34 | RD5 — PORTD bit 5 |
| פין 35 | RD6 — PORTD bit 6 |
| פין 36 | RD7 — PORTD bit 7 |
| פין 37 | VSS — Ground reference |
| פין 38 | VDDIO — I/O supply voltage |
| פין 39 | AVDD — Analog supply voltage |
| פין 40 | AVSS — Analog ground reference |
יישומים טיפוסיים
PIC16LF1777-E/P מתאים עבור 6 יישוםs: LED Lighting and Color-Mixing Drivers, Switch-Mode Power Supply (SMPS) Control, Battery Charging and Power Management, BLDC and PMSM Motor Control, Industrial Sensor Signal Conditioning, General Purpose 8-bit Embedded Control.
LED Lighting and Color-Mixing Drivers
The PIC16LF1777-E/P is purpose-built for LED lighting and color-mixing drivers. Its four 16-bit PWMs enable fine-grained dimming across RGB or tunable-white channels, while the four integrated op-amps sense LED current without external amplifiers. The zero-cross detector supports TRIAC dimmer compatibility for retrofit lamps. Operating from 1.8V-3.6V, the LF variant suits battery-powered luminaires and emergency lighting, while the on-chip programmable ramp generator simplifies soft-start sequencing. A 100 mA I/O drive allows direct MOSFET gate driving in higher-current strips. The 14 KB Flash holds complex color-temperature algorithms and DMX/0-10V protocols.
מומלץ
Switch-Mode Power Supply (SMPS) Control
The PIC16LF1777-E/P excels in digital SMPS designs because it pairs a 32 MHz core with hardware peripherals designed for power conversion. Its four high-speed comparators and PRG create peak-current-mode and valley-current-mode control loops without external analog ICs. The four 10/16-bit PWMs provide phase-shifted full-bridge, PFC, and LLC waveforms, while the op-amps condition current-sense signals. With 14 KB Flash, designers can implement adaptive algorithms such as valley switching, burst mode, and active PFC. The 1.8V-3.6V supply range suits auxiliary-side bias rails derived from the converter itself.
מומלץ
Battery Charging and Power Management
The PIC16LF1777-E/P serves as a flexible battery charger controller for Li-ion, lead-acid and NiMH chemistries. The 10-bit ADC monitors battery voltage, current and temperature, while the 10-bit DAC programs charge current references. Four op-amps implement CC/CV loops with minimal external components, and PWMs drive synchronous-rectifier MOSFETs at high efficiency. XLP nanoWatt technology keeps standby current in the sub-microamp range, critical for always-on chargers in smart-home devices. PPS remapping lets designers route USB-C detection pins to any I/O for protocol handling in modern USB-PD chargers.
מומלץ
BLDC and PMSM Motor Control
The PIC16LF1777-E/P delivers competent BLDC and PMSM motor control for small fans, pumps and e-bike hubs. Its 10/16-bit PWMs generate complementary 6-step or FOC switching waveforms, while comparators and op-amps sense back-EMF for sensorless commutation. The 32 MHz core runs field-oriented control algorithms at sufficient PWM update rates for sub-100W motors. The on-chip DACs and zero-cross detector simplify BEMF zero-cross detection timing. PPS lets designers isolate high-speed analog signals from switching noise, which is essential for low-noise motor-control PCB layouts.
מומלץ
Industrial Sensor Signal Conditioning
The PIC16LF1777-E/P is well-suited for industrial 4-20 mA loop-powered sensor transmitters and bridge sensor conditioning. Four op-amps handle instrumentation-amp gain stages, while the 10-bit ADC and on-chip DAC enable digital calibration and span adjustment. SPI/I2C/EUSART interfaces connect to external EEPROM, displays, or industrial buses. The extended -40C to +125C temperature range suits harsh-environment deployment. PPS allows the EUSART to be remapped to any I/O, simplifying isolated RS-485 layouts where the isolation barrier dictates pin placement.
מומלץ
General Purpose 8-bit Embedded Control
The PIC16LF1777-E/P is a versatile general-purpose MCU for appliance controls, HVAC keypads, and consumer electronics. Its 14 KB Flash holds application logic and user-interface state machines, while 1 KB SRAM supports display refreshing. The four PWMs drive status LEDs, buzzers and triac-fired loads, and the EUSART supports IR or wireless-MCU links. PPS allows a single PCB layout to be reused across multiple product variants by remapping buttons and indicators. The PIC XLP nanoWatt technology allows battery-backed RTC operation for years on a single coin cell.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור PIC16LF1777-E/P — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | PIC16F1777-I/P | PIC16LF1777-I/P | PIC16LF1776-I/P | PIC16LF1717-I/P |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 40-pin PDIP | 40-pin PDIP (same) | 40-pin PDIP (same) | 40-pin PDIP (same) | 40-pin PDIP (same) |
| Program Flash | 14 KB | 14 KB | 14 KB | 8 KB (-43%) | 7 KB (-50%) |
| RAM | 1 KB | 1 KB | 1 KB | 1 KB | 512 B (-50%) |
| Operating Voltage | 1.8 V to 3.6 V | 2.3 V to 5.5 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Max CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Op-Amps | 4 | 4 | 4 | 3 (-25%) | 2 (-50%) |
| PWM Modules | 10/16-bit, multiple | 10/16-bit, multiple | 10/16-bit, multiple | 10/16-bit, fewer | 10-bit only |
| Operating Temperature | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Parametric Match | 100% (reference) | 90% | 95% | 80% | 70% |
מבדילים עיקריים
- Industry-leading analog peripheral density on an 8-bit core (לעומתPIC16LF1717-I/P)
- Largest Flash in 40-PDIP PIC16LF177x sub-family (לעומתPIC16LF1776-I/P)
- Extended -40C to +125C temperature grade (לעומתPIC16LF1777-I/P)
הערות תכנון
The PIC16LF1777-E/P has separate VDDCORE (pin 6), VDD (pin 11) and AVDD (pin 39) rails. Decouple each rail with a 100 nF ceramic capacitor placed within 5 mm of the pin. Per Microchip reference layouts, a 10 uF bulk capacitor on VDD is recommended for SMPS applications where the analog peripherals generate high switching currents. Do not power VDDCORE externally - it is internally regulated from VDD.
Estimated: at maximum 32 MHz CPU clock with all peripherals active, the LF device draws ~15 mA total from a 3.3 V supply, dissipating approximately 50 mW. Through-hole PDIP packages handle this comfortably with no thermal derating. However, if the I/O pins are sourcing 100 mA each into LED or relay loads, total dissipation can climb above 300 mW; ensure the PCB traces to those pins are sized to handle the sustained current without significant temperature rise.
Route analog signals (AN pins, op-amp inputs) away from PWM switching traces and the EUSART lines. Use a ground pour on the top layer tied to VSS, and place the AVDD/AVSS bypass capacitor pair adjacent to pins 39-40. When using PPS to remap PWM outputs, group them on one PORT to minimize trace crossings and reduce EMI. For SMPS designs, follow Microchip's SMPS layout guidelines by separating analog and power ground returns.
Common pitfalls with the PIC16LF1777-E/P include: (1) forgetting that VDDCORE must not be driven externally - this can damage the internal regulator; (2) configuring op-amps with input signals exceeding AVDD which violates absolute-maximum ratings; (3) enabling the weak pull-ups on RB0-RB3 incorrectly during programming mode which can interfere with ICSP; (4) forgetting PPS unlock sequence which silently fails to remap peripherals. Always read the family Errata document before locking the design.
מידע על תאימות
RoHS and REACH compliance per Microchip product environmental certifications. The PDIP package is lead-free (Pb-free) by Microchip's standard manufacturing practice. Not AEC-Q100 qualified - select PIC16F1777-I/P or automotive-grade PIC variants for AEC-Q100 requirements.
