PIC16LF18877T-I/MV - 8-bit 32MHz 56KB Flash XLP MCU | Microchip
MPN: PIC16LF18877T-I/MV ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.2 | $3.20 |
| 10 | $2.88 | $28.80 |
| 100 | $2.55 | $255.00 |
| 500 | $2.25 | $1,125.00 |
| 1,000 | $1.95 | $1,950.00 |
PIC16LF18877T-I/MV Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM/EEPROM), and programmable peripherals. PIC16F-family MCUs use a 14-bit instruction set optimized for deterministic, low-power embedded control. Within Microchip's taxonomy, this part belongs to the PIC16 family (mid-range 8-bit), within the XLP low-power portfolio, and within the broader 8-bit MCU category of the microcontroller product hierarchy (8-bit MCU -> microcontroller -> embedded IC -> semiconductor). This background context matters when comparing against competing architectures: PIC16 parts typically trade raw MIPS for code density, deterministic interrupts, and very low sleep current.
Key features include 32 MHz operation from an internal oscillator, Core Independent Peripherals (CIPs) such as CRC/SCAN and Hardware Limit Timer (HLT), up to 36 I/O pins with PPS remapping, and XLP nanoWatt sleep modes for sub-µA standby. The 10-bit ADC with computation can perform automated threshold-based decisions without CPU intervention. The integrated temperature indicator and zero-cross detect on analog comparators extend sensor-interface capability. PPS allows flexible peripheral-to-pin mapping, simplifying PCB routing on the 40-pin UQFN footprint.
The PIC16LF18877 uses a Harvard RISC core with a 14-bit instruction word, providing single-cycle execution for most instructions and predictable interrupt latency. Internal voltage reference, configurable logic cells (CLC), and the Numerically Controlled Oscillator (NCO) provide additional signal-processing flexibility. Functional Safety (FuSa) variants of this part (PIC16F18877 family) are available for safety-critical designs.
Typical applications include IoT sensor nodes, battery-powered wearables, smart-home edge devices, low-power wireless sensor hubs, industrial instrumentation, and consumer white goods with touch or capacitive sensing. The wide operating range and PPS flexibility also suit low-cost motor-control and lighting subsystems. In automotive and home-appliance segments, this MCU is used for HMI and small actuator control where cost and quiescent current dominate design constraints.
When designing with this device, ensure decoupling capacitors are placed close to VDD/AVDD/VBAT pins, follow Microchip's recommended layout for the exposed pad of the UQFN package for thermal and grounding integrity, and verify PPS assignments before committing firmware to avoid pin conflicts. Programming via ICSP requires dedicated PGx/PGDx pin access — verify these are accessible in the chosen UQFN footprint.
Drop-in alternatives for PIC16LF18877T-I/MV — 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 PIC16LF18877T-I/MV (same form factor and footprint) — differing in ADC, Core, Data EEPROM, I/O Pins, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16F18877T-I/MV
✅ Drop-In✓ In Stock
$1.65 / Unit
View Datasheet →PIC16LF18877-I/MV
✅ Drop-In✓ In Stock
$1.82 / Unit
View Datasheet →PIC16LF18876T-I/MV
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16LF18875T-I/MV
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC16LF18855T-I/MV
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.39 / Unit
View Datasheet →PIC16LF18854-E/MV
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.05 / Unit
View Datasheet →PIC16LF18877T-I/MV Maximum Ratings & Electrical Characteristics
| Core | PIC16 8-bit RISC, 14-bit instruction word |
| CPU Speed | 32 MHz maximum |
| Program Memory (Flash) | 56 KB (32K x 14 words) |
| Data EEPROM | 256 B |
| Supply Voltage (Vdd) | 1.8 V to 3.6 V (LF low-voltage range) |
| I/O Pins | Up to 36 |
| ADC | 10-bit, with computation (ADC2) |
| Communication | EUSART, SPI, I2C |
| Peripheral Pin Select (PPS) | Yes |
| Core Independent Peripherals | CRC/SCAN, HLT, CLC, NCO |
| Low-Power Modes | XLP nanoWatt sleep, IDLE, DOZE |
| Package | 40-pin UQFN (MV) 5x5 mm with exposed pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40 C to +85 C (Industrial, 'I' suffix) |
| RoHS Status | Compliant |
PIC16LF18877T-I/MV Pin Configuration
| Pin 1 | RA5 — Port A bit 5 (ICSP data, I/O) |
| Pin 2 | RA4 — Port A bit 4 (I/O) |
| Pin 3 | RA3 — Port A bit 3 (I/O) |
| Pin 4 | RA2 — Port A bit 2 (I/O) |
| Pin 5 | RA1 — Port A bit 1 (analog input) |
| Pin 6 | RA0 — Port A bit 0 (analog input) |
| Pin 7 | VSS — Ground reference |
| Pin 8 | VDD — Positive supply voltage |
| Pin 9 | RB7 — Port B bit 7 (I/O) |
| Pin 10 | RB6 — Port B bit 6 (PGC, I/O) |
| Pin 11 | RB5 — Port B bit 5 (I/O) |
| Pin 12 | RB4 — Port B bit 4 (I/O) |
| Pin 13 | RB3 — Port B bit 3 (I/O) |
| Pin 14 | RB2 — Port B bit 2 (I/O) |
| Pin 15 | RB1 — Port B bit 1 (I/O) |
| Pin 16 | RB0 — Port B bit 0 (interrupt-on-change, I/O) |
| Pin 17 | RC7 — Port C bit 7 (I/O) |
| Pin 18 | RC6 — Port C bit 6 (I/O) |
| Pin 19 | RC5 — Port C bit 5 (I/O) |
| Pin 20 | RC4 — Port C bit 4 (I/O) |
| Pin 21 | RC3 — Port C bit 3 (I/O) |
| Pin 22 | RC2 — Port C bit 2 (I/O) |
| Pin 23 | RC1 — Port C bit 1 (I/O) |
| Pin 24 | RC0 — Port C bit 0 (I/O) |
| Pin 25 | RD7 — Port D bit 7 (I/O) |
| Pin 26 | RD6 — Port D bit 6 (I/O) |
| Pin 27 | RD5 — Port D bit 5 (I/O) |
| Pin 28 | RD4 — Port D bit 4 (I/O) |
| Pin 29 | RD3 — Port D bit 3 (I/O) |
| Pin 30 | RD2 — Port D bit 2 (I/O) |
| Pin 31 | RD1 — Port D bit 1 (I/O) |
| Pin 32 | RD0 — Port D bit 0 (I/O) |
| Pin 33 | RE7 — Port E bit 7 (I/O) |
| Pin 34 | RE6 — Port E bit 6 (I/O) |
| Pin 35 | RE5 — Port E bit 5 (I/O) |
| Pin 36 | RE4 — Port E bit 4 (I/O) |
| Pin 37 | RE3 — Port E bit 3 (I/O) |
| Pin 38 | RE2 — Port E bit 2 (I/O) |
| Pin 39 | RE1 — Port E bit 1 (I/O) |
| Pin 40 | RE0 — Port E bit 0 (I/O) |
| Pin 41 | EP — Exposed thermal pad - tie to VSS |
Typical Applications
PIC16LF18877T-I/MV is suitable for 7 applications: Battery-Powered IoT Sensor Node, Wearable Fitness/Health Device, Smart Home Edge Controller, Industrial Instrumentation Front-End, HMI and Touch-Key Replacement, Low-Cost LED Lighting Controller, Automotive Body and Comfort Module.
Battery-Powered IoT Sensor Node
The PIC16LF18877T-I/MV's XLP nanoWatt technology and 1.8V-3.6V supply window make it an ideal host for CR2032 or 2xAA battery-powered IoT sensor nodes. Sleep currents under 1 µA extend coin-cell lifetime to multi-year ranges. The 32 MHz CPU and 56 KB Flash are sufficient to run an MQTT-SN client or LoRaWAN driver with a companion radio module. The 10-bit ADC with computation (ADC2) handles on-chip thresholding, waking the CPU only when a meaningful sensor event occurs, and PPS lets the designer reassign peripheral pins without re-spinning the PCB.
Recommended
Wearable Fitness/Health Device
Wearables demand tight power budgets and small form factors — both of which the PIC16LF18877T-I/MV addresses. The 40-pin UQFN 5x5 mm footprint fits wristband PCBAs, and the deep-sleep XLP modes preserve battery during standby. The 10-bit ADC and integrated analog comparators interface directly with PPG photodiode signals for heart-rate sensing, while the EUSART/SPI/I2C peripherals drive BLE modules and accelerometers. The Core Independent Peripherals (CLC, NCO) offload waveform generation and signal conditioning, letting the CPU stay asleep until user input is detected via capacitive touch.
Recommended
Smart Home Edge Controller
Edge controllers for smart-home hubs benefit from the PIC16LF18877T-I/MV's Peripheral Pin Select (PPS), which lets engineers remap EUSART/SPI/I2C peripherals to any available I/O pin during PCB layout. The 56 KB Flash accommodates OTA-bootloader plus Zigbee/BLE-host command translation, and XLP sleep modes reduce standby power when the radio is idle. The 10-bit ADC2 with computation monitors battery voltage or wall-adapter input without external components, while CLCs implement custom logic for button debouncing and LED fade patterns without CPU wake-up.
Recommended
Industrial Instrumentation Front-End
Industrial sensors require deterministic response and robust peripherals — the PIC16LF18877T-I/MV delivers both via Core Independent Peripherals (CIPs). The Hardware Limit Timer (HLT), CRC/SCAN, and Hardware Signal Modulator run autonomously, offloading critical timing and integrity checks from the CPU. The 10-bit ADC2 with computation provides accurate, oversampled readings of 4-20 mA loop signals, and the 32 MHz core delivers real-time digital filtering. The -40 °C to +85 °C industrial temperature range (I-suffix) supports factory-floor deployments without derating.
Recommended
HMI and Touch-Key Replacement
The PIC16LF18877T-I/MV's mTouch capacitive-touch peripheral and configurable logic cells (CLC) enable reliable button replacement on white-goods and consumer HMI panels without dedicated touch ICs. The 32 MHz CPU and 56 KB Flash drive segmented LCD or LED matrix displays, while PPS simplifies routing of the multiple I/O required for key scanning. Sleep current under 1 µA means battery-powered remote controls last years on a single cell. The exposed thermal pad of the UQFN package keeps junction temperature low even at 3.6V / 32 MHz continuous operation.
Recommended
Low-Cost LED Lighting Controller
The PIC16LF18877T-I/MV's PWM outputs, NCO, and CLC peripherals form a complete low-cost LED lighting controller. Multiple PWM channels drive RGB or tunable-white LED strings, while the 10-bit ADC2 reads ambient light and color sensors for closed-loop control. The 32 MHz instruction rate is sufficient for 16-bit PWM resolution at 1 kHz refresh, eliminating flicker in human-perceptible ranges. Low-voltage operation (1.8V-3.6V) suits USB-C powered desk lamps and battery-operated task lights with sub-µA standby current.
Recommended
Automotive Body and Comfort Module
Automotive interior and body-comfort modules benefit from the PIC16LF18877T-I/MV's extended peripherals and wide operating temperature range. The device drives LED interior lighting, seat-control buttons, and mirror adjustments via PWM and EUSART peripherals. Functional Safety (FuSa) variants exist in the PIC16F18877 family for ASIL-classified subsystems. PPS allows late-stage I/O reassignment, which shortens design cycles when pin-out changes arise late in the platform development. The UQFN package footprint is compatible with the PIC16F18877T-I/MV, allowing migration to FuSa variants without PCB rework.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF18877T-I/MV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16F18877T-I/MV | PIC16LF18877-I/MV | PIC16LF18876T-I/MV | PIC16LF18875T-I/MV | PIC16LF18855T-I/MV | PIC16LF18854-E/MV |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 40-pin UQFN (MV) 5x5 | 40-pin UQFN (MV) 5x5 - same | 40-pin UQFN (MV) 5x5 - same | 40-pin UQFN (MV) 5x5 - same | 40-pin UQFN (MV) 5x5 - same | 40-pin UQFN (MV) 5x5 - same | 40-pin UQFN (MV) 5x5 - same |
| Supply Voltage Range | 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 | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| CPU Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Functional Safety (FuSa) | No | Yes | No | No | No | No | No |
| Operating Temperature | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +125 C (Extended) |
| Packaging | Tape & Reel | Tape & Reel | Tray | Tape & Reel | Tape & Reel | Tape & Reel | Tray |
Key Differentiators
- Higher Flash density in PIC16 LF family at this footprint (vs PIC16LF18876T-I/MV)
- Low-voltage (LF) operation vs standard F variant (vs PIC16F18877T-I/MV)
- XLP nanoWatt sleep vs standard PIC16 sleep (vs PIC16LF18855T-I/MV)
Design Notes
Place 100 nF ceramic decoupling capacitors as close as possible to each VDD/AVDD pin, and add a bulk 1-10 µF capacitor at the board's power-entry point. For battery operation below 2.0V, verify the brown-out reset (BOR) and low-voltage detect (LVD) thresholds in the PIC16(L)F1885X/7X datasheet match the battery's end-of-life voltage to avoid spurious resets. For XLP sleep, follow Microchip's nanoWatt design checklist: disable unused peripherals, switch to the low-power internal oscillator, and drive I/O pins to defined logic levels before sleep.
The 40-pin UQFN (MV) 5x5 mm package includes an exposed thermal pad (EP) that must be soldered to a copper pour connected to VSS for mechanical strength and thermal dissipation. Without proper EP soldering, the die's junction-to-ambient thermal resistance (theta_JA) increases dramatically, which can reduce maximum operating life at 32 MHz / 3.6V. Recommended pad geometry: at least 16 thermal vias (0.3 mm drill, 0.6 mm pitch) connecting EP to the internal ground plane.
Route the ICSP programming pins (PGx/PGDx) to a header or test pad even if production programming is via ICSP socket — this enables field firmware updates and debugging. The PPS feature means many peripherals can be remapped to alternate pins, so reserve flexibility in the PCB layout for late-stage pin reassignment. Keep ADC analog traces short and isolated from switching signals; route AVSS separately from digital ground and join them at a single point near the MCU.
Common pitfalls: (1) forgetting to disable the JTAG pins on ports to free them as I/O; (2) using the internal oscillator without enabling the PLL when higher frequency is required; (3) ignoring Configuration Words — particularly the WDT (watchdog timer), LVP (low-voltage programming), and CP (code-protect) bits — which can lock the device or cause unexpected resets; (4) assuming PPS is unlimited — some peripherals have restricted pin selections; consult the datasheet's Peripheral Pin Select tables. Always read the PIC16(L)F1885X/7X family errata document before finalizing firmware.
Compliance Information
RoHS compliant per Microchip product page. PIC16LF18877T-I/MV is not AEC-Q100 qualified — for AEC-Q100 automotive applications choose PIC16F18877T-I/MV (FuSa, 2.3V-5.5V) or other AEC-Q100 PIC16 variants.
