PIC16F18877-E/PT - 8-Bit 32MHz 56KB Flash MCU | Microchip
部品番号: PIC16F18877-E/PT ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 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 概要
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.
ドロップイン代替品: PIC16F18877-E/PT — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: PIC16F18877-E/PT （同一形状・フットプリント） — 相違点: Package, Core Architecture, ADC, Communication Interfaces, Program Memory (Flash).
クイック比較ツール — 並列比較する代替部品を選択:
PIC16F18875-E/PT
✅ ドロップイン✓ 在庫あり
$1.42 / 個
データシートを見る →PIC16F18876-E/PT
✅ ドロップイン✓ 在庫あり
$1.64 / 個
データシートを見る →PIC16F18877-I/PT
✅ ドロップイン✓ 在庫あり
$2.18 / 個
データシートを見る →PIC16F18877T-I/PT
✅ ドロップイン✓ 在庫あり
$2.5 / 個
データシートを見る →PIC16F18857-I/PT
✅ ドロップイン📋 参考代替品（カタログ未掲載）
PIC16F18855-E/PT
✅ ドロップイン📋 参考代替品（カタログ未掲載）
PIC16F18877-E/PT 最大定格＆電気的特性
| 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 |
| 電源電圧 | 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 |
| パッケージ | 44-pin TQFP (10x10 mm) |
| 実装タイプ | 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) |
| RoHS ステータス | Compliant |
PIC16F18877-E/PT ピン構成
| ピン 1 | RA0 — PORTA bit 0 (analog/digital I/O) |
| ピン 2 | RA1 — PORTA bit 1 (analog/digital I/O) |
| ピン 3 | RA2 — PORTA bit 2 (analog/digital I/O) |
| ピン 4 | RA3 — PORTA bit 3 (analog/digital I/O) |
| ピン 5 | RA4 — PORTA bit 4 (analog/digital I/O) |
| ピン 6 | RA5 — PORTA bit 5 (analog/digital I/O) |
| ピン 7 | RA6 — PORTA bit 6 (analog/digital I/O) |
| ピン 8 | RA7 — PORTA bit 7 (analog/digital I/O) |
| ピン 9 | VSS — Ground reference |
| ピン 10 | RA8 — PORTA bit 8 (analog/digital I/O) |
| ピン 11 | RA9 — PORTA bit 9 (analog/digital I/O) |
| ピン 12 | RA10 — PORTA bit 10 (analog/digital I/O) |
| ピン 13 | RA11 — PORTA bit 11 (analog/digital I/O) |
| ピン 14 | VSS — Ground reference |
| ピン 15 | RB0 — PORTB bit 0 (digital I/O) |
| ピン 16 | RB1 — PORTB bit 1 (digital I/O) |
| ピン 17 | RB2 — PORTB bit 2 (digital I/O) |
| ピン 18 | RB3 — PORTB bit 3 (digital I/O) |
| ピン 19 | RB4 — PORTB bit 4 (digital I/O) |
| ピン 20 | RB5 — PORTB bit 5 (digital I/O) |
| ピン 21 | RB6 — PORTB bit 6 (ICSPCLK) |
| ピン 22 | RB7 — PORTB bit 7 (ICSPDAT) |
| ピン 23 | VDD — Positive supply voltage |
| ピン 24 | VSS — Ground reference |
| ピン 25 | RC0 — PORTC bit 0 (digital I/O) |
| ピン 26 | RC1 — PORTC bit 1 (digital I/O) |
| ピン 27 | RC2 — PORTC bit 2 (digital I/O) |
| ピン 28 | RC3 — PORTC bit 3 (digital I/O / SCL for I2C) |
| ピン 29 | RC4 — PORTC bit 4 (digital I/O / SDA for I2C) |
| ピン 30 | RC5 — PORTC bit 5 (digital I/O) |
| ピン 31 | RC6 — PORTC bit 6 (digital I/O / TX) |
| ピン 32 | RC7 — PORTC bit 7 (digital I/O / RX) |
| ピン 33 | VSS — Ground reference |
| ピン 34 | RD0 — PORTD bit 0 (digital I/O) |
| ピン 35 | RD1 — PORTD bit 1 (digital I/O) |
| ピン 36 | RD2 — PORTD bit 2 (digital I/O) |
| ピン 37 | RD3 — PORTD bit 3 (digital I/O) |
| ピン 38 | RD4 — PORTD bit 4 (digital I/O) |
| ピン 39 | RD5 — PORTD bit 5 (digital I/O) |
| ピン 40 | RD6 — PORTD bit 6 (digital I/O) |
| ピン 41 | RD7 — PORTD bit 7 (digital I/O) |
| ピン 42 | RE0 — PORTE bit 0 (digital I/O) |
| ピン 43 | RE1 — PORTE bit 1 (digital I/O) |
| ピン 44 | VDD — Positive supply voltage |
主な用途
PIC16F18877-E/PT の用途: 6 件s: 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.
おすすめ
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.
おすすめ
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.
おすすめ
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.
おすすめ
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.
おすすめ
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.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: PIC16F18877-E/PT — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | 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 |
主な差別化要因
- 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))
設計ノート
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.
コンプライアンス情報
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.