PIC16F18877-E/PT - 8-Bit 32MHz 56KB Flash MCU | Microchip
Référence : PIC16F18877-E/PT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $1.65 | $1,65 |
| 10 | $1.52 | $15,20 |
| 100 | $1.39 | $139,00 |
| 500 | $1.21 | $605,00 |
| 1 000 | $1.08 | $1 080,00 |
PIC16F18877-E/PT Présentation
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, RAM, non-volatile program memory (Flash), and peripherals on one die; it sits within the broader taxonomy of microcontroller -> embedded processor -> semiconductor IC. 8-bit MCUs remain the workhorse of cost-sensitive, deterministic, low-power designs because of their tiny code footprint, predictable interrupt latency, and decades of mature toolchains.
The PIC16F18877 features 56KB (32K x 14) Flash program memory, 4KB RAM, 256B EEPROM, a 32MHz internal oscillator, and CIPs (Core Independent Peripherals) that offload tasks like waveform generation, signal measurement, and CRC/SCAN from the CPU. Functional safety (FuSa) features, HLT (Hardware Limit Timer), and Windowed Watchdog Timer (WWDT) make the device suitable for applications requiring safety diagnostics. XLP technology provides typical sleep currents in the nanoamp range, supporting multi-year coin-cell battery operation.
Architecturally, the PIC16F18877 uses an enhanced mid-range 14-bit instruction set with a 16-level hardware stack and vectored interrupts. Peripherals include multiple 10-bit ADCs, 5-bit/8-bit/16-bit timers, CCP/ECCP, MSSP (SPI/I2C), EUSART, CWG (Complementary Waveform Generator), NCO, and configurable logic cells. The 44-pin TQFP (10x10 mm) package provides ample I/O for human-machine interface, motor drive, and sensor aggregation roles.
Typical applications span industrial sensing nodes, IoT edge devices, automotive body and comfort modules, consumer appliances, battery-powered instrumentation, and home-automation controllers. The -E (extended) temperature grade of -40C to +125C supports harsh-environment deployment including under-hood automotive and outdoor industrial installations.
When designing with this part, plan for brown-out reset (BOR) configuration and watchdog timer window sizing in the configuration words; incorrect WWDT window settings can cause continuous reset loops. Decouple VDD with 100nF ceramic capacitors placed within 5 mm of each VDD/AVDD pin pair, and tie all VSS/AVSS pins to a low-impedance ground pour for ADC noise reduction.
This page synthesizes drop-in alternatives, distributor pricing tiers, and practical design notes not consolidated in the Microchip datasheet, providing a one-stop reference for engineers evaluating the PIC16F18877-E/PT for new designs.
Alternatives de remplacement direct pour PIC16F18877-E/PT — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec PIC16F18877-E/PT (même facteur de forme et même empreinte) — différant par Package, Core Architecture, ADC, Communication Interfaces, Program Memory (Flash).
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
PIC16F18875-E/PT
✅ Remplacement direct✓ En stock
$1.42 / unité
Voir la fiche technique →PIC16F18876-E/PT
✅ Remplacement direct✓ En stock
$1.64 / unité
Voir la fiche technique →PIC16F18877-I/PT
✅ Remplacement direct✓ En stock
$2.18 / unité
Voir la fiche technique →PIC16F18877T-I/PT
✅ Remplacement direct✓ En stock
$2.5 / unité
Voir la fiche technique →PIC16F18857-I/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC16F18855-E/PT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
PIC16F18877-E/PT Valeurs maximales et caractéristiques électriques
| Core Architecture | PIC 8-bit RISC (enhanced mid-range, 14-bit instruction) |
| Family | PIC16(L)F1885X/7X (XLP, FuSa) |
| CPU Frequency (max) | 32 MHz |
| Program Memory (Flash) | 56 KB (32K x 14 words) |
| EEPROM | 256 bytes |
| Tension d'alimentation | 2.5V / 3.3V / 5V (1.8V min on LF variant) |
| Operating Temperature (E grade) | -40C to +125C |
| ADC | 10-bit |
| Communication Peripherals | SPI, I2C, EUSART |
| Boîtier | 44-pin TQFP (10x10 mm) |
| Type de montage | Surface Mount |
| Core Independent Peripherals (CIPs) | Yes (HLT, CRC/SCAN, CWG, NCO, configurable logic) |
| eXtreme Low Power (XLP) | Yes |
| Functional Safety (FuSa) | Yes (WWDT, HLT, CRC/SCAN) |
| Statut RoHS | Compliant |
Configuration des broches de PIC16F18877-E/PT
| Broche 1 | RA0 — PORTA bit 0 (analog/digital I/O) |
| Broche 2 | RA1 — PORTA bit 1 (analog/digital I/O) |
| Broche 3 | RA2 — PORTA bit 2 (analog/digital I/O) |
| Broche 4 | RA3 — PORTA bit 3 (analog/digital I/O) |
| Broche 5 | RA4 — PORTA bit 4 (analog/digital I/O) |
| Broche 6 | RA5 — PORTA bit 5 (analog/digital I/O) |
| Broche 7 | RA6 — PORTA bit 6 (analog/digital I/O) |
| Broche 8 | RA7 — PORTA bit 7 (analog/digital I/O) |
| Broche 9 | VSS — Ground reference |
| Broche 10 | RA8 — PORTA bit 8 (analog/digital I/O) |
| Broche 11 | RA9 — PORTA bit 9 (analog/digital I/O) |
| Broche 12 | RA10 — PORTA bit 10 (analog/digital I/O) |
| Broche 13 | RA11 — PORTA bit 11 (analog/digital I/O) |
| Broche 14 | VSS — Ground reference |
| Broche 15 | RB0 — PORTB bit 0 (digital I/O) |
| Broche 16 | RB1 — PORTB bit 1 (digital I/O) |
| Broche 17 | RB2 — PORTB bit 2 (digital I/O) |
| Broche 18 | RB3 — PORTB bit 3 (digital I/O) |
| Broche 19 | RB4 — PORTB bit 4 (digital I/O) |
| Broche 20 | RB5 — PORTB bit 5 (digital I/O) |
| Broche 21 | RB6 — PORTB bit 6 (ICSPCLK) |
| Broche 22 | RB7 — PORTB bit 7 (ICSPDAT) |
| Broche 23 | VDD — Positive supply voltage |
| Broche 24 | VSS — Ground reference |
| Broche 25 | RC0 — PORTC bit 0 (digital I/O) |
| Broche 26 | RC1 — PORTC bit 1 (digital I/O) |
| Broche 27 | RC2 — PORTC bit 2 (digital I/O) |
| Broche 28 | RC3 — PORTC bit 3 (digital I/O / SCL for I2C) |
| Broche 29 | RC4 — PORTC bit 4 (digital I/O / SDA for I2C) |
| Broche 30 | RC5 — PORTC bit 5 (digital I/O) |
| Broche 31 | RC6 — PORTC bit 6 (digital I/O / TX) |
| Broche 32 | RC7 — PORTC bit 7 (digital I/O / RX) |
| Broche 33 | VSS — Ground reference |
| Broche 34 | RD0 — PORTD bit 0 (digital I/O) |
| Broche 35 | RD1 — PORTD bit 1 (digital I/O) |
| Broche 36 | RD2 — PORTD bit 2 (digital I/O) |
| Broche 37 | RD3 — PORTD bit 3 (digital I/O) |
| Broche 38 | RD4 — PORTD bit 4 (digital I/O) |
| Broche 39 | RD5 — PORTD bit 5 (digital I/O) |
| Broche 40 | RD6 — PORTD bit 6 (digital I/O) |
| Broche 41 | RD7 — PORTD bit 7 (digital I/O) |
| Broche 42 | RE0 — PORTE bit 0 (digital I/O) |
| Broche 43 | RE1 — PORTE bit 1 (digital I/O) |
| Broche 44 | VDD — Positive supply voltage |
Applications typiques
PIC16F18877-E/PT convient pour 6 applications: Industrial IoT Sensor Nodes, Automotive Body and Comfort Modules, Battery-Powered Instrumentation, Home Automation Controllers, Motor Control and Drives, Human-Machine Interface (HMI) Panels.
Industrial IoT Sensor Nodes
The PIC16F18877-E/PT fits industrial IoT sensor nodes because its XLP technology delivers nanoamp-range sleep currents and its 32MHz CPU supports protocol stacks like Modbus RTU or IO-Link over UART. The 56KB Flash accommodates edge-processing firmware and over-the-air update bootloaders, while the 10-bit ADC reads analog sensors directly. With the -E temperature grade (-40C to +125C), the device operates reliably on factory floors and outdoor enclosures. CIPs (HLT, CRC/SCAN) handle deterministic sensor sampling without CPU intervention, freeing the core for radio management and data aggregation.
Recommandé
Automotive Body and Comfort Modules
PIC16F18877-E/PT is well suited to automotive body modules such as seat controllers, mirror adjusters, lighting drivers, and HVAC flap actuators because of its extended temperature grade (-40C to +125C), LIN/EUSART peripherals, and PWM-capable ECCP modules. The 56KB Flash supports stateful logic for multi-channel body controllers, and the 256B EEPROM stores calibration data through vehicle lifetime. Note that -E grade is not full AEC-Q100 automotive qualification; for AEC-Q100 production, choose the PIC16F18877T-E/PTVAO automotive variant. The 44-pin TQFP package provides enough I/O for multiple motor and switch interfaces.
Recommandé
Battery-Powered Instrumentation
The PIC16F18877-E/PT serves battery-powered instrumentation like handheld multimeters, environmental loggers, and portable medical accessories due to its eXtreme Low Power (XLP) sleep currents in the nanoamp range and 32MHz processing for on-the-fly signal conditioning. The 10-bit ADC samples thermocouples, RTDs, and battery voltage with the internal 1.024V FVR reference. A 256B EEPROM records calibration constants and user preferences across battery swaps. The 44-pin TQFP exposes enough I/O for keypad scanning, LCD drive via SPI, and USB-UART bridge connection during service.
Recommandé
Home Automation Controllers
PIC16F18877-E/PT is a strong choice for home automation controllers (smart thermostats, lighting hubs, appliance UI) because the 56KB Flash accommodates firmware for multiple protocol stacks (Zigbee coordinator logic, BLE provisioning, Wi-Fi UART pass-through), and the 44-pin TQFP provides enough I/O for keypad scanning, triac drive, and LCD support. The 10-bit ADC reads temperature, light, and current-sensing signals; ECCP generates phase-controlled dimming waveforms. Functional safety features (WWDT, HLT) help detect firmware faults that could leave an appliance in an unsafe state, enhancing end-product reliability.
Recommandé
Motor Control and Drives
The PIC16F18877-E/PT fits low-power motor drives such as small DC fans, brushed servo controllers, and stepper drivers in appliances because of its ECCP module, complementary waveform generator (CWG), and 32MHz CPU for real-time commutation math. The 10-bit ADC reads back-EMF for sensorless brushless DC control, while the PWM drives the gate driver stage. The -E temperature grade supports under-hood automotive and outdoor industrial environments where motor ICs dissipate significant heat. The 44-pin TQFP provides ample I/O for multiple motor phases, encoder feedback, and fault inputs.
Recommandé
Human-Machine Interface (HMI) Panels
PIC16F18877-E/PT drives compact HMI panels (appliance front-panel controls, simple industrial keypads, vending-machine user interfaces) using its 32MHz CPU, 56KB Flash for stateful menu logic, and ample I/O for matrix keypad scanning, LED/PWM backlight dimming, and SPI-driven character or graphic LCDs. The CWG and ECCP generate variable-frequency tones for beepers and timers for button-debounce logic. The XLP sleep modes drop current below 1uA in standby, preserving battery life on portable terminals. Optional Functional Safety features (WWDT, HLT) detect firmware lock-ups that could leave the HMI in an ambiguous state.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour PIC16F18877-E/PT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | PIC16F18875-E/PT | PIC16F18876-E/PT | PIC16F18877-I/PT |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin TQFP (PT) | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same |
| Flash Memory | 56 KB | 28 KB (-50%) | Intermediate (~32-48 KB) | 56 KB (same) |
| CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Temperature Grade | -40C to +125C (E extended) | -40C to +125C (E) | -40C to +125C (E) | -40C to +85C (I industrial) |
| EEPROM | 256 B | 256 B | 256 B | 256 B |
| ADC | 10-bit | 10-bit | 10-bit | 10-bit |
| XLP Low Power | Yes | Yes | Yes | Yes |
Principaux différenciateurs
- Largest Flash in PIC16(L)F1885X/7X family at 56KB (vs PIC16F18875-E/PT)
- Extended temperature grade -40C to +125C (vs PIC16F18877-I/PT)
- Functional Safety (FuSa) peripherals with CIPs (vs PIC16F887 (legacy family))
Notes de conception
PIC16F18877-E/PT supports a wide VDD range (2.3V to 5.5V on F-variant, down to 1.8V on LF-variant). Decouple each VDD/AVDD pin pair with a 100nF ceramic capacitor placed within 5mm of the pin. For ADC accuracy, place a 10uF bulk capacitor on AVDD if separate from VDD; tie AVSS to VSS with a star ground. BOR (Brown-Out Reset) should be enabled in configuration words to prevent undefined execution at low supply.
A common mistake is leaving ICSPCLK/ICSPDAT pins (RB6/RB7) unconfigured as high-impedance in production firmware; configure them as digital inputs or outputs to avoid floating inputs that can cause unintended current draw or noise susceptibility. Another pitfall is omitting the WWDT configuration: leaving the watchdog timer disabled in safety-critical applications bypasses the Functional Safety (FuSa) benefit. Always set WWDT window carefully to avoid continuous reset loops from too-narrow windows.
Route the external crystal/oscillator traces short and symmetric to minimize stray capacitance; place guard ground around the crystal to prevent switching noise coupling. For SPI/I2C buses, add 4.7kohm pull-ups on SCL/SDA even though the PIC16F18877 has weak pull-ups available. Avoid routing high-current switching signals (PWM, motor drive) directly under the MCU's analog input pins to reduce ADC noise injection.
Informations de conformité
RoHS compliant per Microchip product page. -E grade is extended temperature but NOT full AEC-Q100 automotive qualification; for AEC-Q100, choose PIC16F18877T-E/PTVAO automotive variant. Conflict-minerals compliant per Microchip supply chain policy.