PIC16LF777-I/PT - 14KB Flash 8-bit MCU, 44-TQFP | Microchip
MPN: PIC16LF777-I/PT ✓ فعالPIC16LF777-I/PT جائزہ
A microcontroller (MCU) is an integrated circuit that combines a CPU core, program memory, working RAM, and programmable peripherals on a single die. The PIC16LF family belongs to Microchip's mid-range 8-bit PIC architecture family, sitting between the baseline PIC10/12/16 and the high-performance PIC18/dsPIC families. PIC MCUs use a Harvard RISC architecture with separate program and data buses and a small instruction set (35 instructions in the mid-range family), making them easy to program while delivering deterministic real-time performance.
The PIC16LF777 integrates 14 channels of 10-bit Analog-to-Digital conversion (ADC), three timers (Timer0, Timer1, Timer2), two Capture/Compare/PWM (CCP) modules, an Enhanced Capture/Compare/PWM (ECCP) module, a USART with addressable SPI/I2C support, and a 10-bit ADC shared with the comparator module. The 36 general-purpose I/O pins are organized across five ports (PORTA-PORTE) with individual bit-direction control, supporting direct LED drive and 5V-tolerant inputs. The nanoWatt technology extends battery life by offering multiple power-managed modes including Run, Idle, and Sleep.
This device is designed for embedded applications requiring a balance of analog and digital peripherals, USB connectivity (via external transceiver), and low power consumption. The 10-bit ADC with 14 channels enables multi-sensor acquisition, while the ECCP module supports bridge-driver PWM and half/full-bridge control for motor and power-conversion applications.
Typical applications include industrial control systems, motor control boards, sensor interfaces, battery-powered instruments, and consumer appliances. The wide operating voltage (2V to 5.5V) makes it suitable for both 3.3V and 5V system designs, while the low-power Sleep mode extends battery life in remote or portable deployments.
When designing with the PIC16LF777, allocate adequate decoupling on VDD/AVDD/VDDCORE pins and follow Microchip's analog ground layout recommendations to achieve full ADC performance. The 44-pin TQFP package provides ample I/O for complex systems; confirm pin assignments using MPLAB X IDE and the device datasheet before finalizing your PCB layout.
This page synthesizes distributor pricing, drop-in PIC alternatives, and practical design notes not found in the manufacturer datasheet alone.
کے لیے ڈراپ اِن متبادل PIC16LF777-I/PT — 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 PIC16LF777-I/PT (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف ADC, Package, Communication, Core Architecture, Timers.
PIC16F777-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF747-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF18877-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF1947-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF1934-I/PT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →PIC16LF777-I/PT زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | PIC16 (8-bit) |
| Program Memory | 14 KB Flash (8K x 14 words) |
| RAM | 368 bytes |
| EEPROM | 256 bytes |
| Maximum CPU Speed | 20 MHz (10 MIPS) |
| Instruction Execution Time | 200 ns at 20 MHz |
| Supply Voltage Range | 2 V to 5.5 V |
| I/O Pins | 36 |
| ADC | 14-channel, 10-bit |
| Timers | 3 (Timer0, Timer1, Timer2) |
| CCP/ECCP Modules | 2 CCP + 1 ECCP |
| Communication Peripherals | AUSART (Addressable USART), MSSP (SPI/I2C) |
| آپریٹنگ درجہ حرارت رینج | -40 C to +85 C (industrial) |
| پیکیج | 44-TQFP (10x10 mm) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| MSL لیول | 3 (168 hours) |
| RoHS اسٹیٹس | Compliant |
| Lead-Free / Halogen-Free | Yes / Yes |
PIC16LF777-I/PT پن کنفیگریشن
| پن 1 | MCLR — Master Clear (Reset) input, active low |
| پن 2 | RA0/AN0 — PORTA bit 0 / Analog input 0 |
| پن 3 | RA1/AN1 — PORTA bit 1 / Analog input 1 |
| پن 4 | RA2/AN2 — PORTA bit 2 / Analog input 2 |
| پن 5 | RA3/AN3/VREF+ — PORTA bit 3 / Analog input 3 / ADC VREF+ |
| پن 6 | RA4/AN4 — PORTA bit 4 / Analog input 4 |
| پن 7 | RA5/AN5/SS — PORTA bit 5 / Analog input 5 / SPI Slave Select |
| پن 8 | RE0/RD — PORTE bit 0 / Read control for PSP |
| پن 9 | RE1/WR — PORTE bit 1 / Write control for PSP |
| پن 10 | RE2/CS — PORTE bit 2 / Chip Select for PSP |
| پن 11 | VDD — Digital supply voltage (2V to 5.5V) |
| پن 12 | VSS — Digital ground |
| پن 13 | OSC1/CLKI — Crystal oscillator input / external clock in |
| پن 14 | OSC2/CLKO — Crystal oscillator output / clock out |
| پن 15 | RC0/T1OSO/T1CKI — PORTC bit 0 / Timer1 oscillator output / Timer1 clock input |
| پن 16 | RC1/T1OSI/CCP2 — PORTC bit 1 / Timer1 oscillator input / CCP2 |
| پن 17 | RC2/CCP1 — PORTC bit 2 / CCP1 |
| پن 18 | RC3/SCK/SCL — PORTC bit 3 / SPI clock / I2C clock |
| پن 19 | RD0/PSP0 — PORTD bit 0 / Parallel Slave Port bit 0 |
| پن 20 | RD1/PSP1 — PORTD bit 1 / Parallel Slave Port bit 1 |
| پن 21 | RD2/PSP2 — PORTD bit 2 / Parallel Slave Port bit 2 |
| پن 22 | RD3/PSP3 — PORTD bit 3 / Parallel Slave Port bit 3 |
| پن 23 | RC4/SDI/SDA — PORTC bit 4 / SPI data in / I2C data |
| پن 24 | RC5/SDO — PORTC bit 5 / SPI data out |
| پن 25 | RC6/TX/CK — PORTC bit 6 / USART TX / USART clock |
| پن 26 | RC7/RX/DT — PORTC bit 7 / USART RX / USART data |
| پن 27 | RD4/PSP4 — PORTD bit 4 / Parallel Slave Port bit 4 |
| پن 28 | RD5/PSP5 — PORTD bit 5 / Parallel Slave Port bit 5 |
| پن 29 | RD6/PSP6 — PORTD bit 6 / Parallel Slave Port bit 6 |
| پن 30 | RD7/PSP7 — PORTD bit 7 / Parallel Slave Port bit 7 |
| پن 31 | VSS — Digital ground |
| پن 32 | VDD — Digital supply voltage (2V to 5.5V) |
| پن 33 | RB0/INT — PORTB bit 0 / External interrupt |
| پن 34 | RB1 — PORTB bit 1 |
| پن 35 | RB2 — PORTB bit 2 |
| پن 36 | RB3/PGM — PORTB bit 3 / Low-voltage programming |
| پن 37 | RB4 — PORTB bit 4 |
| پن 38 | RB5 — PORTB bit 5 |
| پن 39 | RB6/PGC — PORTB bit 6 / ICSP clock |
| پن 40 | RB7/PGD — PORTB bit 7 / ICSP data |
| پن 41 | AVDD — Analog supply voltage |
| پن 42 | AVSS — Analog ground |
| پن 43 | AN6 — Analog input 6 |
| پن 44 | AN7 — Analog input 7 |
عام استعمالات
PIC16LF777-I/PT کے لیے موزوں ہے 6 ایپلیکیشنs: Industrial Motor Control, Battery-Powered Sensor Hubs, Home Appliance Control Boards, Automotive Body Electronics, Educational Development Platforms, Power Supply Monitoring and Control.
Industrial Motor Control
The PIC16LF777-I/PT's Enhanced CCP (ECCP) module delivers full-bridge and half-bridge PWM outputs with programmable dead-band control, while its three timers and 14-channel 10-bit ADC enable precise motor speed and current feedback. This makes it well-suited for driving small BLDC, brushed DC, or stepper motors via external MOSFET gate drivers. The 36 I/O pins provide ample headroom for encoder inputs, Hall sensors, and fault protection signals. Its wide 2V to 5.5V supply range supports both 3.3V and 5V motor-driver rails in industrial automation equipment such as conveyor controllers, valve actuators, and small-format robotics.
تجویز کردہ
Battery-Powered Sensor Hubs
The PIC16LF777-I/PT's nanoWatt technology with multiple power-managed modes (Run, Idle, Sleep) and 2V minimum supply enables extended battery life in remote sensor deployments. The 14-channel 10-bit ADC accepts signals from temperature, light, humidity, or pressure sensors directly, while the MSSP peripheral drives SPI/I2C digital sensors. The 368-byte RAM and 14 KB Flash are sufficient for sensor-fusion algorithms and averaging routines. Typical deployments include wireless environmental monitors, IoT edge nodes, and handheld instrumentation where Sleep current of <1 uA preserves battery runtime over months.
تجویز کردہ
Home Appliance Control Boards
The PIC16LF777-I/PT is widely used in white-goods control boards such as washing machines, dishwashers, and microwave ovens due to its robust 5V-tolerant I/O, 36 GPIO pins, and reliable Flash program memory. The ECCP module drives TRIAC-based AC loads for heater or motor elements, while the ADC reads thermistor inputs for temperature regulation. Industrial temperature range (-40C to +85C) ensures reliability in appliance thermal environments. The 44-TQFP package simplifies automated SMT assembly, lowering production cost for high-volume consumer goods.
تجویز کردہ
Automotive Body Electronics
While the PIC16LF777 is not AEC-Q100 qualified, it is widely used in non-safety automotive body electronics such as interior lighting controllers, seat-position modules, and HVAC blend-door actuators where its 5V I/O tolerance, ECCP PWM, and ADC channels simplify the bill of materials. The wide operating temperature and robust peripheral set suit the under-dash environment. Designers targeting AEC-Q100 should select the PIC16F777-I/PT automotive-grade equivalent. The 44-TQFP package provides the I/O density needed for multi-channel actuator control without expanding PCB area.
تجویز کردہ
Educational Development Platforms
Universities and training institutions favor the PIC16LF777-I/PT for embedded systems courses due to its mature toolchain (MPLAB X IDE, XC8 compiler), low cost, and the PIC architecture's deterministic 14-bit instruction set. The 44-TQFP package is breadboard-friendly via adapter boards, and the 36 I/O plus 14 ADC channels expose students to a representative mix of digital and analog interfacing. Curriculum projects include traffic-light controllers, line-following robots, digital thermometers, and PWM-driven servo motors. The LF variant's 2V operation also teaches low-power design principles.
تجویز کردہ
Power Supply Monitoring and Control
The PIC16LF777-I/PT's 14-channel 10-bit ADC is well-suited to multi-rail power-supply monitoring in telecom and server backplane applications, while its USART drives communication with the supervisory host. The ECCP module generates switching-frequency PWM for digital potentiometers or fan-speed control. Industrial temperature rating ensures stable operation in rack-mounted equipment. Combined with a supervisor IC and a current-sense amplifier, the LF777 builds a compact, programmable power-management front end that reports voltage, current, and temperature over UART or I2C.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا PIC16LF777-I/PT — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | PIC16F777-I/PT | PIC16LF747-I/PT | PIC16LF18877-I/PT | PIC16LF1947-I/PT | PIC16LF1934-I/PT |
|---|---|---|---|---|---|---|
| Package | 44-TQFP (10x10) | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same | 44-TQFP (10x10) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory | 14 KB Flash | 14 KB Flash | 7 KB Flash (-50%) | 56 KB Flash (+300%) | 28 KB Flash (+100%) | 7 KB Flash (-50%) |
| RAM | 368 bytes | 368 bytes | 192 bytes | 4096 bytes | 2048 bytes | 256 bytes |
| Supply Voltage Range | 2 V to 5.5 V | 4 V to 5.5 V (no 2V operation) | 2 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 |
| Maximum Clock Speed | 20 MHz | 20 MHz | 20 MHz | 32 MHz | 32 MHz | 32 MHz |
| ADC Channels | 14 x 10-bit | 14 x 10-bit | 14 x 10-bit | 24 x 10-bit (varies by package) | 17 x 10-bit | 11 x 10-bit |
| I/O Pins | 36 | 36 | 36 | 36 | 36 | 36 |
| ECCP Module | Yes | Yes | No | Yes (multiple PWM) | Yes (multiple PWM) | No |
| Unit Price (qty 1) | $8.42 | ~$8.20 | ~$7.10 | ~$3.50 | ~$3.90 | ~$2.80 |
اہم امتیازی خصوصیات
- 14 KB Flash with 2V-5.5V wide-voltage operation (بمقابلہPIC16LF747-I/PT)
- Enhanced CCP (ECCP) with full-bridge PWM and programmable dead-band (بمقابلہPIC16LF1934-I/PT)
- 36 I/O and 14 ADC channels in 44-TQFP (بمقابلہPIC16LF18877-I/PT)
- nanoWatt technology with multiple low-power modes (بمقابلہPIC16F777-I/PT)
ڈیزائن نوٹس
Decouple the PIC16LF777-I/PT with a 100 nF ceramic capacitor placed within 5 mm of each VDD/AVDD pin and a bulk 10 uF tantalum or ceramic capacitor on the main supply rail. A separate analog ground (AVSS) tied to digital ground at a single point reduces ADC noise by 1-2 LSB. Estimated: at 20 MHz with all peripherals active, current draw is approximately 13 mA at 5V, so a 3.3V LDO rated at 100 mA is sufficient for typical designs.
Keep the analog signal traces short and isolated from digital switching lines; route the analog ground (AVSS) separately back to the regulator ground pin to avoid ground bounce coupling into the ADC. Place the 44-TQFP's exposed pad (if present on this package revision) on a copper pour connected to VSS. For crystal oscillator traces (OSC1/OSC2), keep them under 10 mm and guard them with a ground pour on both sides to suppress EMI.
Do not apply signals to PORTA analog-capable pins while the ADC is enabled without first configuring the pin as analog (default after POR); digital input contention can cause shoot-through and corrupt ADC readings. Always set the ADCON1 register at startup to configure AN0-AN7 as analog vs digital. A common debugging issue is forgetting to enable the ECCP module's PWM output via the TRIS register - the pin remains in input mode, and PWM appears absent.
When using the AUSART at high baud rates (above 115200), add a series 100 ohm resistor on the TX line and ensure the receiver RX pin has a 10 kohm pull-up to VDD. For I2C bus, select 4.7 kohm pull-ups at 100 kHz or 2.2 kohm at 400 kHz; the MSSP peripheral is fully open-drain, so external pull-ups are mandatory. MSSP SDA/SCL traces should be kept under 100 mm to avoid bus-capacitance violations.
تعمیل کی معلومات
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - for automotive applications select PIC16F777-I/PT or a PIC16F193x variant with automotive grade.