PIC16F18876-E/MV - 8-bit MCU, 28KB Flash, 32MHz | Microchip
N.º de pieza: PIC16F18876-E/MV ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $3.1 | $3,10 |
| 10 | $2.78 | $27,80 |
| 100 | $2.46 | $246,00 |
| 500 | $2.2 | $1.100,00 |
| 1.000 | $1.95 | $1.950,00 |
PIC16F18876-E/MV Descripción general
An 8-bit microcontroller (MCU) is a self-contained computational IC that integrates a CPU, non-volatile program memory, RAM, and a configurable set of peripherals (ADCs, timers, communication modules) into a single chip. In the broader system hierarchy, an MCU sits between simple discrete logic and a 32-bit microprocessor (MPU); 8-bit MCUs like the PIC16F18876 trade raw clock speed for deterministic instruction execution, ultra-low standby current, and a small footprint suitable for battery-powered and cost-sensitive designs. The PIC16 family further belongs to Microchip's modified Harvard RISC architecture lineage, where each instruction executes in one instruction cycle (four oscillator clocks).
Key features include operation up to 32 MHz, a 10-bit ADC with computation (ADCC), up to 35 I/O pins, multiple communication peripherals (EUSART, MSSP for SPI/I2C), and CIP blocks such as the CWG, NCO, and math accelerator that offload work from the core. The device supports supply voltages from 2.3V to 5.5V and offers eXtreme Low Power sleep modes with currents measured in the nanoampere range.
Architecturally, the PIC16F18876 uses a 16-level hardware stack, 49 instruction set, and direct/indirect/relative addressing modes; its CIP blocks (HLT for hardware limit timer, CWG for complementary waveform generator, NCO for numerically controlled oscillator, CRC/SCAN for memory integrity) can operate in Doze or Sleep mode without CPU intervention. The integrated functional safety features simplify IEC 60730 / Class B compliance for home appliance designs.
Typical applications include home appliance control (washing machines, dishwashers, microwave ovens), industrial sensor nodes, IoT edge nodes running on coin cells, automotive body and interior subsystems, and motor-control loops. The XLP feature set makes the PIC16F18876 suited for remote controls and energy-harvesting sensors where battery replacement is impractical.
When designing with this part, note that the -E suffix indicates the extended (-40C to +125C) operating temperature grade rather than the standard industrial grade, which is important for automotive underhood and industrial enclosure designs. Plan for the ATEC or ICD debugger header on unused I/O pins to ease firmware bring-up.
This page synthesizes distributor pricing, drop-in alternative candidates, and practical design notes not found in the standalone manufacturer datasheet, giving engineers a single reference for sourcing and design-in decisions.
Alternativas directas para PIC16F18876-E/MV — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con PIC16F18876-E/MV (mismo factor de forma y huella) — difiere en ADC, Package, Program Memory (Flash), DAC, Operating Temperature.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC16F18876-I/MV
✅ Sustitución directa✓ En stock
$1.7 / unidad
Ver hoja de datos →PIC16F18875-E/MV
✅ Sustitución directa✓ En stock
$1.05 / unidad
Ver hoja de datos →PIC16F18876-E/ML
✅ Sustitución directa✓ En stock
$2.18 / unidad
Ver hoja de datos →PIC16F18875-E/ML
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16F18856-E/MV
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16F18855-E/MV
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC16F18876-E/MV Valores máximos y características eléctricas
| Architecture | PIC16 8-bit RISC (modified Harvard) |
| Program Memory (Flash) | 28 KB |
| SRAM | 2 KB |
| EEPROM | 256 bytes |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage | 2.3 V to 5.5 V |
| I/O Pins | Up to 35 |
| ADC | 10-bit ADCC (Analog-to-Digital Converter with Computation) |
| Timers | Multiple 8/16-bit with HLT, RTC, and WDT |
| Communication Peripherals | EUSART, MSSP (SPI/I2C), up to 2x I2C, SPI |
| Core Independent Peripherals (CIP) | CWG, NCO, CRC/SCAN, HLT, math accelerator |
| Functional Safety (FuSa) | Class B-capable (IEC 60730) |
| Temperatura de funcionamiento | -40C to +125C (Extended, -E suffix) |
| Encapsulado | 40-pin UQFN (MV) 5x5 mm |
| Tipo de montaje | Surface Mount |
| eXtreme Low Power (XLP) | Yes - nanoWatt sleep, IDD < 1 uA typical |
| Instruction Set | 49 instructions, 16-level hardware stack |
| Estado RoHS | Compliant |
Configuración de pines de PIC16F18876-E/MV
| Pin 1 | VDD — Positive supply voltage |
| Pin 2 | RA0 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 3 | RA1 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 4 | RA2 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 5 | RA3 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 6 | RA4 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 7 | RA5 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 8 | RA6 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 9 | RA7 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 10 | VSS — Ground reference |
| Pin 11 | RB0 — Bidirectional I/O pin with IOC and signal output |
| Pin 12 | RB1 — Bidirectional I/O pin with IOC and signal output |
| Pin 13 | RB2 — Bidirectional I/O pin with IOC and signal output |
| Pin 14 | RB3 — Bidirectional I/O pin with IOC and signal output |
| Pin 15 | RB4 — Bidirectional I/O pin with IOC and signal output |
| Pin 16 | RB5 — Bidirectional I/O pin with IOC and signal output |
| Pin 17 | RB6 — Bidirectional I/O pin with IOC, ICD/ICSP clock |
| Pin 18 | RB7 — Bidirectional I/O pin with IOC, ICD/ICSP data |
| Pin 19 | RC0 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 20 | RC1 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 21 | RC2 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 22 | RC3 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 23 | RC4 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 24 | RC5 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 25 | RC6 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 26 | RC7 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 27 | VSS — Ground reference |
| Pin 28 | RD0 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 29 | RD1 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 30 | RD2 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 31 | RD3 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 32 | RD4 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 33 | RD5 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 34 | RD6 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 35 | RD7 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 36 | RE0 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 37 | RE1 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 38 | RE2 — Bidirectional I/O pin with analog input, IOC, and signal output |
| Pin 39 | RE3 — Bidirectional I/O pin with analog input, IOC, MCLR input |
| Pin 40 | VDD — Positive supply voltage |
Aplicaciones típicas
PIC16F18876-E/MV es adecuado para 7 aplicacións: Home Appliance Control (Washing Machines, Dishwashers), Battery-Powered IoT Sensor Nodes, Automotive Body and Interior Lighting (Under-125C), Industrial Sensor and Actuator Hubs, Remote Controls and Consumer Handheld, Motor-Control Fan and Pump Drivers, Medical Device Sub-Controllers (Non-Lifecritical).
Home Appliance Control (Washing Machines, Dishwashers)
The PIC16F18876-E/MV fits main-control and UI-board duties in white goods thanks to its integrated Class B functional safety (IEC 60730) hardware assist, which simplifies firmware qualification for motor and valve drivers. Its 28 KB Flash is enough for state-machine front panels with sensor-fusion loops, while 2 KB of SRAM handles cycle-state buffers without external memory. The 2.3 V to 5.5 V input range supports direct 5 V regulator rails and three-cell battery backup during brownouts. The 40-pin UQFN gives roughly 35 GPIO, allowing direct drive of LED arrays and rotary encoders without an I/O expander, and the 10-bit ADCC samples thermistor/pressure inputs with hardware averaging to free CPU cycles. Field returns drop because the CRC/SCAN peripheral catches flash corruption before it reaches the actuator path.
Recomendado
Battery-Powered IoT Sensor Nodes
The PIC16F18876-E/MV is well suited for low-duty-cycle IoT sensor nodes that spend most of their life in sleep. Its XLP sleep mode draws under 1 microampere while retaining full RAM and peripheral wake sources, allowing multi-year operation from a 250 mAh coin cell. Core Independent Peripherals such as the NCO, CWG, and HLT run in Doze modes, waking the CPU only on configured thresholds. The 28 KB Flash holds IPv4+MQTT stacks and OTA stubs; the 2 KB RAM manages sensor windowing buffers without external expansion. The 10-bit ADCC integrates oversampling, reducing noise on battery-rail ADC sampling. Integration with the MPLAB X IDE and XC8 compiler family accelerates secure-boot firmware bring-up.
Recomendado
Automotive Body and Interior Lighting (Under-125C)
For interior lighting, ambient-color mixing, and capacitive-touch HMI sub-controllers, the PIC16F18876-E/MV's extended -40C to +125C temperature grade handles under-dash and cabin conditions. The CWG peripheral produces complementary PWM channels for LED drivers with dead-band control, removing discrete half-bridges in simple tail-light strips. The 35 GPIO pins support capacitive-touch pads via the dedicated CTMU if Microchip's mTouch firmware is implemented in firmware. The MSSP peripheral exposes SPI/I2C to drive light controllers over a body harness, while the 10-bit ADCC senses supply voltage for load-dump detection. The CRC/SCAN peripheral is a strong fit for ISO 26262-supporting ASIL-B sub-systems where the MCU runs alongside a host SoC.
Recomendado
Industrial Sensor and Actuator Hubs
The PIC16F18876-E/MV's 35 GPIO, 32 MHz MIPS, and rich CIP blocks make it a competent industrial sensor hub for factory automation lines that do not need a 32-bit core. The EUSART plus MSSP pair gives simultaneous RS-485 and SPI/I2C connectivity for sensor aggregators talking to motor drives. The 10-bit ADCC with computation averages and thresholds sensor data without CPU load, while the CWG generates the dead-time-corrected PWM that drives small DC motors. Class B readiness, plus extended temperature grade, suits cabinet-mounted equipment under -40C to +125C exposure. Industrial protocols like Modbus RTU can be implemented as a state machine in the 28 KB Flash with telemetry buffering in 2 KB RAM.
Recomendado
Remote Controls and Consumer Handheld
The PIC16F18876-E/MV is a strong fit for RF remote controls, IR-controlled toys, and learnable remote systems that must run from a single coin cell. The NCO peripheral acts as a stable waveform generator for sub-GHz or IR carrier modulation without waking the CPU, extending battery life. The eXtreme Low Power sleep current (under 1 uA) suits a 5-year battery-life target on CR2032 cells. The CTMU peripheral drives capacitive-touch buttons without dedicated hardware. The 28 KB Flash stores UI state and code-book bindings for IR learning, while the 256 byte EEPROM holds user-set preferences like contrast or remapping across battery swaps.
Recomendado
Motor-Control Fan and Pump Drivers
The PIC16F18876-E/MV is well matched to BLDC fan, pump, and small DC-motor controllers thanks to its CWG with complementary outputs and dead-band control. With the 6 PWM channels available from CIPs (CWG + PWM), the part can drive three-phase half-bridges for sensorless BLDC control using Back-EMF sampled by the ADCC. The 32 MIPS throughput handles field-oriented control loops at 20 kHz without saturating the bandwidth. The 2.3 V to 5.5 V supply range allows direct input from battery or regulated 5 V rails. Diagnostic CIPs (CRC/SCAN, hardware limit timer) detect motor-stall conditions safely, while the extended -40C to +125C range supports under-hood and industrial cabinet environments.
Recomendado
Medical Device Sub-Controllers (Non-Lifecritical)
The PIC16F18876-E/MV suits medical sub-systems such as lab instrument front panels, medication-dispenser displays, or non-invasive monitoring accessories where Class B functional safety compliance is required. Its IEC 60730 hardware assist simplifies firmware tests required for regulatory submission, while the integrated CIPs offload periodic checks from the CPU. The 28 KB Flash holds the application state machine plus diagnostic self-test routines executed at each power-on. The 35 GPIO drive keypads, TFT bias rails, and piezoceramic transducers. The analog channels sample pressure and flow-rate sensors with the 10-bit ADCC, while the EUSART/MSSP pair links to a host SBC that aggregates data for cloud upload.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC16F18876-E/MV — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC16F18876-I/MV | PIC16F18875-E/MV | PIC16F18856-E/MV | PIC16F18855-E/MV | PIC16F18876-E/ML |
|---|---|---|---|---|---|---|
| Package | 40-pin UQFN (MV) 5x5 mm | 40-pin UQFN (MV) - same | 40-pin UQFN (MV) - same | 40-pin UQFN (MV) - same | 40-pin UQFN (MV) - same | 44-pin QFN (ML) - different |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 28 KB | 28 KB | 32 KB | 14 KB | 14 KB | 28 KB |
| SRAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
| Maximum Clock Speed | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V | 2.3 V to 5.5 V |
| Functional Safety (Class B) | Yes (IEC 60730) | Yes | Yes | Yes | Yes | Yes |
Diferenciadores clave
- Extended temperature grade in UQFN-40 footprint (frente a PIC16F18876-I/MV)
- Mid-density Flash and Class B safety in one device (frente a PIC16F18856-E/MV)
- CWG with complementary outputs and dead-band in 40-pin UQFN (frente a PIC16F18855-E/MV)
Notas de diseño
Power-supply decoupling on the PIC16F18876-E/MV should use a 100 nF X7R ceramic placed within 1 mm of each VDD pin (pin 1 and pin 40) plus a bulk 1 uF to 10 uF tantalum or polymer cap on the VDD rail. Estimated: at 32 MHz operation the core consumes roughly 5 mA, so a 100 mV ripple budget on the supply implies a total local bypass impedance below 20 ohms at the clock harmonics; the 100 nF capacitor typically hits this below 10 MHz. Designers targeting IEC 60730 Class B should also follow Microchip's FuSa hardware checklist, which mandates periodic WDTCPS reset and BOR assertion during startup.
The 40-pin UQFN (MV) package has an exposed thermal pad on the bottom that MUST be soldered to the PCB for both thermal dissipation and mechanical reliability. The recommended land pattern uses a 3.6 mm by 3.6 mm exposed pad with 8 vias in a 3-by-3 grid tying to internal ground planes. Skipping the thermal pad soldering can lead to cracked solder joints under thermal-cycling conditions such as those specified in IPC-9701 (-40C to +125C). Estimated: the via grid reduces junction-to-ambient theta_JA from about 35 C/W (no thermal pad) to roughly 22 C/W (with thermal pad), enabling 32 MHz operation without thermal derating.
The -E suffix is the extended (-40C to +125C) temperature grade, not a product-line indicator; do not substitute -I (industrial -40C to +85C) into designs that spec -E without re-running qualification tests. Misreading the suffix is a common engineering mistake when scrubbing BOMs across multiple home-appliance sub-boards. Always cross-check the order code suffix against the schematic note that specifies temperature exposure, and validate with the manufacturer datasheet ordering table. Failure to do so can cause field-return issues that surface only after 1000 hours of thermal aging.
For I2C at 400 kHz or higher over the MSSP bus, keep bus capacitance below 100 pF and add 4.7 kohm pull-ups on SCL and SDA close to the PIC. Captured glitches on these lines can confuse the SMBus logic, especially in appliance-control environments where the bus runs near switch-mode regulators. Estimate: a 2-meter cable plus 10 pF device spread can push total bus capacitance to 200 pF, in which case pull-ups should be reduced to 2.2 kohm to maintain 400 kHz rise time within I2C spec (<300 ns).
Información de cumplimiento
RoHS and REACH compliance per Microchip product page. Extended temperature grade supports -40C to +125C; for AEC-Q100 qualified variants, refer to Microchip automotive grade listings. Functional Safety (IEC 60730) Class B capability built in, requires firmware self-test routines.
