PIC16F1777-E/P - 8-Bit 32MHz MCU, 14KB Flash, 40-PDIP | Microchip
MPN: PIC16F1777-E/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.97 | $3.97 |
| 10 | $3.58 | $35.80 |
| 100 | $3.19 | $319.00 |
| 500 | $2.85 | $1,425.00 |
| 1,000 | $2.54 | $2,540.00 |
PIC16F1777-E/P Overview
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash/ROM), data memory (RAM), and peripherals on a single silicon die. Within the broader taxonomy, 8-bit MCUs sit at the entry level of the microcontroller hierarchy: microcontroller -> embedded processor -> semiconductor IC. The 8-bit architecture offers deterministic instruction execution, low cost, and ultra-low power consumption, making it the preferred choice for cost-sensitive and battery-powered embedded designs. Microchip's enhanced mid-range core adds C compiler-friendly architecture and peripheral-rich integration.
Key features of the PIC16F1777 include four 10-bit PWM generators with complementary outputs and dead-band control, multiple operational amplifiers, comparators, 12-bit ADC (with computation), 5-bit and 8-bit DAC modules, high-speed comparators, and Zero-Cross Detection (ZCD). The device includes four 16-bit timers, a 32MHz internal oscillator, and the eXtreme Low Power (XLP) technology that delivers nanoWatt sleep currents. Communication interfaces include I2C, SPI, and EUSART with auto-baud detection.
The PIC16F1777 is built on Microchip's enhanced mid-range 8-bit core using a modified Harvard architecture, which separates program and data buses to enable single-cycle instruction fetching concurrent with data access. This core delivers up to 32MHz operation (8 MIPS) with a 16-level hardware stack and hardware interrupt context save/restore. The high level of analog integration (multiple op-amps, comparators, DACs) reduces external component count for closed-loop power and lighting control.
Typical applications include LED lighting drivers, switch-mode power supplies (SMPS), battery chargers, BLDC and stepper motor control, and general-purpose embedded control. The wide operating voltage range (1.8V to 5.5V for the LF variant, 2.3V to 5.5V for the F variant) makes the part suitable for both 3.3V and 5V systems.
When designing with this device, ensure the in-circuit serial programming (ICSP) pins are accessible for production programming, and verify the MCLR pull-up network per the datasheet. The 40-PDIP package is friendly for breadboard prototyping and through-hole production but consumes more board area than QFN equivalents.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the standalone manufacturer datasheet, helping engineers and procurement teams make informed selection decisions.
Drop-in alternatives for PIC16F1777-E/P — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC16F1777-E/P (same form factor and footprint) — differing in Package, Core Architecture, I/O Pins, ADC, Comparators.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F1776-E/P
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16F1769-E/P
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.62 / Unit
View Datasheet →PIC16F1719-E/P
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$2.3 / Unit
View Datasheet →PIC16F1717-E/P
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.59 / Unit
View Datasheet →PIC16F1777-E/SP
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC16F1615-E/P
✅ Drop-In ⚠️ 参数待验证✓ In Stock
$1.18 / Unit
View Datasheet →PIC16F1777-E/P Maximum Ratings & Electrical Characteristics
| Core Architecture | Enhanced Mid-Range 8-bit PIC |
| Program Memory (Flash) | 14 KB (8K x 14 words) |
| Data Memory (RAM) | 1 KB |
| Maximum CPU Speed | 32 MHz (8 MIPS) |
| ADC Resolution | 10-bit (with 12-bit ADC2 with computation) |
| Operating Voltage Range | 2.3 V to 5.5 V (F variant) |
| Operating Temperature Range | -40C to +125C (Extended, -E suffix) |
| I/O Pins | 36 |
| Package | 40-pin PDIP (0.600 inch, 15.24 mm) |
| Mounting Type | Through-Hole |
| Timers | 4 x 16-bit, 2 x 8-bit |
| PWM Channels | 4 x 10-bit with complementary outputs |
| Communication Interfaces | I2C, SPI, EUSART (with auto-baud) |
| Comparators | Yes (high-speed, with DAC reference) |
| Operational Amplifiers | Yes (on-chip, multiple) |
| DAC Modules | 5-bit and 8-bit DAC |
| Zero-Cross Detect | Yes |
| XLP (eXtreme Low Power) | Yes (nanoWatt sleep) |
| RoHS Status | Compliant |
PIC16F1777-E/P Pin Configuration
| Pin 1 | RE3/MCLR/VPP — Digital input RE3 / Master Clear (reset) input / programming voltage |
| Pin 2 | RA0 — Port A bit 0 (analog/digital I/O) |
| Pin 3 | RA1 — Port A bit 1 (analog/digital I/O) |
| Pin 4 | RA2 — Port A bit 2 (analog/digital I/O) |
| Pin 5 | RA3 — Port A bit 3 (analog/digital I/O) |
| Pin 6 | RA4 — Port A bit 4 (analog/digital I/O) |
| Pin 7 | RA5 — Port A bit 5 (analog/digital I/O) |
| Pin 8 | RE0 — Port E bit 0 (analog/digital I/O) |
| Pin 9 | RE1 — Port E bit 1 (analog/digital I/O) |
| Pin 10 | RE2 — Port E bit 2 (analog/digital I/O) |
| Pin 11 | VDD — Positive supply voltage |
| Pin 12 | VSS — Ground reference |
| Pin 13 | RA7 — Port A bit 7 (analog/digital I/O) |
| Pin 14 | RA6 — Port A bit 6 (analog/digital I/O) |
| Pin 15 | RC0 — Port C bit 0 (analog/digital I/O) |
| Pin 16 | RC1 — Port C bit 1 (analog/digital I/O) |
| Pin 17 | RC2 — Port C bit 2 (analog/digital I/O) |
| Pin 18 | RC3 — Port C bit 3 (analog/digital I/O) |
| Pin 19 | RD0 — Port D bit 0 (analog/digital I/O) |
| Pin 20 | RD1 — Port D bit 1 (analog/digital I/O) |
| Pin 21 | RD2 — Port D bit 2 (analog/digital I/O) |
| Pin 22 | RD3 — Port D bit 3 (analog/digital I/O) |
| Pin 23 | RC4 — Port C bit 4 (analog/digital I/O) |
| Pin 24 | RC5 — Port C bit 5 (analog/digital I/O) |
| Pin 25 | RC6 — Port C bit 6 (analog/digital I/O) |
| Pin 26 | RC7 — Port C bit 7 (analog/digital I/O) |
| Pin 27 | RD4 — Port D bit 4 (analog/digital I/O) |
| Pin 28 | RD5 — Port D bit 5 (analog/digital I/O) |
| Pin 29 | RD6 — Port D bit 6 (analog/digital I/O) |
| Pin 30 | RD7 — Port D bit 7 (analog/digital I/O) |
| Pin 31 | VSS — Ground reference |
| Pin 32 | VDD — Positive supply voltage |
| Pin 33 | RB0 — Port B bit 0 (analog/digital I/O, interrupt-on-change) |
| Pin 34 | RB1 — Port B bit 1 (analog/digital I/O, interrupt-on-change) |
| Pin 35 | RB2 — Port B bit 2 (analog/digital I/O, interrupt-on-change) |
| Pin 36 | RB3 — Port B bit 3 (analog/digital I/O, interrupt-on-change) |
| Pin 37 | RB4 — Port B bit 4 (analog/digital I/O, interrupt-on-change) |
| Pin 38 | RB5 — Port B bit 5 (analog/digital I/O, interrupt-on-change) |
| Pin 39 | RB6 — Port B bit 6 (ICSPCLK, interrupt-on-change) |
| Pin 40 | RB7 — Port B bit 7 (ICSPDAT, interrupt-on-change) |
Typical Applications
PIC16F1777-E/P is suitable for 7 applications: LED Lighting Drivers, Switch-Mode Power Supplies (SMPS), BLDC and Stepper Motor Control, Battery Charging and Power Banks, Industrial Control and Sensor Conditioning, Automotive Body and Interior Electronics, Consumer Appliance Control Boards.
LED Lighting Drivers
The PIC16F1777-E/P's four 10-bit PWM generators with complementary outputs and dead-band control, combined with its on-chip operational amplifiers and 12-bit ADC with computation, make it well suited for multi-channel LED lighting drivers. The MCU can implement closed-loop current control for each LED string using the integrated op-amps as transconductance amplifiers and the ADC to sense shunt voltages. Compared to discrete PWM controller ICs, the PIC16F1777 enables software-tunable dimming curves, color mixing, and DMX/RDM or DALI protocol support within a single chip. The XLP sleep mode allows standby power below 1uA, supporting Energy Star and EU ecodesign standby requirements for connected luminaires.
Recommended
Switch-Mode Power Supplies (SMPS)
The PIC16F1777-E/P integrates the analog peripherals required for digital SMPS control: high-speed comparators for cycle-by-cycle current mode control, 12-bit ADC with computation for output voltage sensing, on-chip op-amps for feedback loop compensation, and Zero-Cross Detection for QR/DCM flyback controllers. The 32MHz core supports 8 MIPS instruction throughput, sufficient to execute digital compensator loops at 100-200kHz PWM rates. Compared to fixed-function SMPS controllers, the PIC16F1777 enables platform firmware reuse across buck, boost, and flyback topologies with software-defined control law. The 40-PDIP package is preferred for high-voltage power supply prototypes where creepage distances are easier to maintain than in QFN packages.
Recommended
BLDC and Stepper Motor Control
The PIC16F1777-E/P's combination of four complementary 10-bit PWMs, integrated op-amps, comparators, and 12-bit ADC with averaging makes it a strong fit for sensorless BLDC motor control using back-EMF zero-cross detection. The 32MHz instruction rate provides 8 MIPS, supporting trapezoidal commutation loops with 50us cycle times. For stepper drives, the four PWMs deliver independent dual H-bridge control with configurable dead-band to prevent shoot-through. The 36 I/O pins on the 40-PDIP package allow direct connection to Hall sensors, encoder inputs, and gate driver fault lines. Compared to dedicated motor-control ICs, the PIC16F1777 adds UART/CAN-style communication for industrial networking without a companion processor.
Recommended
Battery Charging and Power Banks
The PIC16F1777-E/P is well matched to intelligent battery chargers for Li-ion, lead-acid, and NiMH chemistries. Its on-chip 12-bit ADC accurately measures battery voltage and charge current, while the integrated op-amps implement current-sense amplification without external analog ICs. The four PWMs drive synchronous buck converter MOSFETs for high-efficiency charging at up to several amps. The XLP technology reduces standby drain to nanoAmpere levels, critical for always-connected power banks that must preserve battery capacity over months of storage. The extended -40C to +125C temperature grade allows operation in outdoor solar charge controllers and automotive cabin environments.
Recommended
Industrial Control and Sensor Conditioning
The PIC16F1777-E/P serves as a compact industrial sensor interface and process controller. The 12-bit ADC with computation oversamples and filters 4-20mA or 0-10V analog sensor signals, while the on-chip op-amps implement active filtering and level shifting. The 32MHz core runs MODBUS RTU slave firmware over EUSART or PID control loops at 1kHz update rates. The 40-PDIP package suits through-hole industrial designs where field-replaceable modules are common. Compared to ASIC solutions, the firmware-programmable PIC16F1777 supports rapid customization for different sensor types without requalifying hardware.
Recommended
Automotive Body and Interior Electronics
The PIC16F1777-E/P's extended -40C to +125C temperature grade and integrated analog peripherals suit it to automotive body controllers, HVAC blend door actuators, interior lighting, and seat control modules. The four PWMs drive small DC motors and LED strings, the 12-bit ADC reads thermistor and potentiometer inputs, and the EUSART interfaces with LIN transceivers for body network communication. The XLP sleep mode supports quiescent current budgets under 100uA required by OEM specifications for parked vehicles. Compared to dedicated automotive MCUs, the PIC16F1777 is a cost-effective choice for non-safety body applications where AEC-Q100 qualification is not mandatory.
Recommended
Consumer Appliance Control Boards
The PIC16F1777-E/P's integrated peripherals and 14KB Flash support a wide range of consumer appliances including coffee machines, washing machine user interfaces, induction cooktop controllers, and small kitchen appliances. The on-chip op-amps read temperature sensors and current shunts, the four PWMs control heating elements and small motors, and the EUSART/I2C interfaces link to display modules and wireless connectivity companion ICs. The XLP sleep mode enables Energy Star standby compliance under 0.5W. Compared to MCU + discrete analog designs, the PIC16F1777 reduces BOM cost by 15-25% in typical 8-bit appliance applications.
Recommended
Recommended Products Summary
Engineering reference data for PIC16F1777-E/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F1776-E/P | PIC16F1769-E/P | PIC16F1719-E/P | PIC16F1717-E/P | PIC16F1777-E/SP |
|---|---|---|---|---|---|---|
| Package | 40-PDIP | 40-PDIP (same) | 40-PDIP (same) | 40-PDIP (same) | 40-PDIP (same) | 40-PDIP/SPDIP (same) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 14 KB | 8 KB | 8 KB | 28 KB | 28 KB | 14 KB |
| RAM | 1 KB | 1 KB | 1 KB | 2 KB | 2 KB | 1 KB |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| PWM Channels | 4 x 10-bit | 4 x 10-bit | 3 x 10-bit | 4 x 10-bit | 3 x 10-bit | 4 x 10-bit |
| Op-Amps On-Chip | Yes (multiple) | Yes | No | No | No | Yes |
| Operating Voltage | 2.3V to 5.5V | 2.3V to 5.5V | 2.3V to 5.5V | 2.3V to 5.5V | 2.3V to 5.5V | 2.3V to 5.5V |
| Temperature Grade | -40C to +125C (Extended) | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
Key Differentiators
- On-chip operational amplifiers eliminate external analog ICs (vs PIC16F1769-E/P)
- Larger Flash and more PWM channels than the 1776 family (vs PIC16F1776-E/P)
- Enhanced mid-range core with 32MHz/8 MIPS instruction throughput (vs PIC16F1615-E/P)
Design Notes
Place a 100nF decoupling capacitor as close as possible to the VDD pin (pin 11) and a bulk 10uF tantalum or ceramic capacitor near the VDD pin (pin 32) to support peak current transients when the CPU wakes from sleep. A second 100nF on the AVDD pin (if separate analog supply is used) is required to keep ADC readings stable. The MCLR pull-up should be 10kohm to VDD; do not leave MCLR floating or the device may randomly reset.
For ICSP (in-circuit serial programming), reserve access to the PGC (RB6) and PGD (RB7) pins and ensure no series resistors above 4.7kohm are placed on these lines - high-value series resistance will prevent reliable programming. The MCLR/VPP line should connect to the programming header through a diode or resistor network per Microchip's ICSP specification. Keep trace lengths under 50mm and avoid running ICSP signals near high-current switching nodes.
Configuration word settings are sticky - once programmed, the watchdog timer, brown-out voltage, and code-protect bits can only be changed by bulk-erasing the device. Always validate the configuration word in code with __CONFIG() and verify with the MPLAB X IDE before production programming. The 14KB Flash device cannot be downgraded to the 8KB PIC16F1776 firmware without external programming changes; confirm memory fit in the linker map file.
Estimated: At maximum CPU activity (32MHz, all peripherals active) and 5.0V VDD, the PIC16F1777-E/P draws approximately 8mA, dissipating 40mW. In free air at 25C ambient, the 40-PDIP package's theta_JA of approximately 50 C/W results in a junction temperature rise of 2C - well within the 125C limit. The extended -E grade is for ambient environments up to 125C, not junction temperatures - derate accordingly in sealed enclosures.
When using the PIC16F1777's 12-bit ADC with computation, add a 100nF bypass cap on the analog VDD pin and use the dedicated AVSS/AVDD pair (rather than digital supply) for accurate measurements. The 12-bit ADC achieves 12 ENOB with proper PCB layout: keep analog traces short, guard the analog input with a ground ring, and use the internal ADC RC oscillator to avoid digital switching noise coupling into the conversion. Enable ADC double-sampling and averaging in firmware for high-precision sensor readings.
Compliance Information
RoHS and REACH compliant per Microchip product page; lead-free PDIP package. Not AEC-Q100 qualified - for AEC-Q100 automotive applications, use PIC16F1777-E/P only in non-safety body electronics, or select a Q-graded variant if available.
