PIC16LF18877-E/P - 8-Bit 32MHz 56KB Flash XLP MCU | Microchip
MPN: PIC16LF18877-E/P ✓ Hoạt độngPIC16LF18877-E/P Tóm tắt
An 8-bit microcontroller (MCU) is a single-chip computer that integrates a CPU, program memory (Flash), data memory (RAM), and peripherals onto one silicon die. The PIC16F18877 sits in the broader hierarchy: PIC16 (mid-range 8-bit core) -> PIC microcontroller family -> 8-bit microcontroller -> microcontroller -> embedded processing IC -> semiconductor. Compared with 32-bit Cortex-M parts, 8-bit PIC MCUs trade raw throughput for ultra-low sleep current, deterministic interrupt latency, and decades of code/toolchain maturity.
Key features include the CIP (Core Independent Peripheral) set: hardware CRC/SCAN, Zero-Cross Detect, Hardware Limit Timer, Complementary Waveform Generator with dead-band control, and configurable logic cells. The device delivers typical sleep currents below 50 nA with RTC running, and active currents around 1.6 mA at 4 MHz. PPS lets designers remap digital peripherals to almost any I/O pin, simplifying PCB layout.
The PIC16F18877 is built on an enhanced mid-range 8-bit RISC architecture with a 14-bit instruction word, hardware multiplier, and 32 interrupt sources. It supports In-Circuit Serial Programming (ICSP) via two pins, allowing firmware updates after PCB assembly without bootloader overhead.
Typical applications include IoT sensor nodes, low-power wireless-connected devices (using EUSART/SPI to a transceiver), home appliances, battery-powered instrumentation, LED lighting control, and small motor/HVAC control loops. The wide operating voltage and ultra-low sleep current suit coin-cell or energy-harvested designs.
When designing, evaluate whether the 40-pin PDIP is essential for through-hole prototyping - the same die ships in 28/44-pin QFN variants for reflow production. Always include proper decoupling (100 nF + bulk) within 5 mm of VDD pins.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that complement the manufacturer datasheet and help engineers select the right variant faster.
Bộ thay thế dễ dàng lắp đặt cho PIC16LF18877-E/P — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC16LF18877-E/P (cùng hình factor và footprint) — khác nhau ở Core Architecture, Package, Mounting Type, ADC, Program Memory (Flash).
PIC16LF18877-I/P
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16F18877-I/P
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16F18877-E/P
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC16LF18875-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF18876-E/P
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC16LF18876-E/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC16LF18877-E/P Tỷ lệ tối đa & tính chất điện
| Core Architecture | Enhanced Mid-Range 8-bit PIC |
| Program Memory (Flash) | 56 KB (32K x 14 words) |
| Data EEPROM | 256 bytes |
| Instruction Word Size | 14 bits |
| CPU Clock Speed | 32 MHz (max internal FOSC) |
| ADC | 10-bit with Computation (ADC2) |
| Communication Peripherals | 1x EUSART, 2x SPI/I2C |
| Số chân | 40 |
| Hộp | 40-pin PDIP (0.600 in / 15.24 mm width) |
| Kiểu lắp đặt | Through-Hole (DIP) |
| Temperature Grade (E suffix) | -40C to +125C (extended) |
| Peripheral Pin Select (PPS) | Yes |
| Core Independent Peripherals | CRC/SCAN, HLT, CWG, NCO, ZCD, CLC |
| In-Circuit Programming | ICSP (2-wire) |
| Cấp MSL | Not applicable (through-hole) |
Cấu hình chân PIC16LF18877-E/P
| Chân 1 | RE3/MCLR — Digital input / Master Clear (reset, active-low) |
| Chân 2 | RA0 — I/O port A bit 0 / analog input |
| Chân 3 | RA1 — I/O port A bit 1 / analog input |
| Chân 4 | RA2 — I/O port A bit 2 / analog input |
| Chân 5 | RA3 — I/O port A bit 3 / analog input |
| Chân 6 | RA4 — I/O port A bit 4 / analog input |
| Chân 7 | RA5 — I/O port A bit 5 / analog input |
| Chân 8 | RA6 — I/O port A bit 6 / analog input |
| Chân 9 | RA7 — I/O port A bit 7 / analog input |
| Chân 10 | VSS — Ground reference |
| Chân 11 | VDD — Positive supply voltage |
| Chân 12 | RB0 — I/O port B bit 0 / analog input |
| Chân 13 | RB1 — I/O port B bit 1 / analog input |
| Chân 14 | RB2 — I/O port B bit 2 / analog input |
| Chân 15 | RB3 — I/O port B bit 3 / analog input |
| Chân 16 | RB4 — I/O port B bit 4 / analog input |
| Chân 17 | RB5 — I/O port B bit 5 / analog input |
| Chân 18 | RB6 — I/O port B bit 6 / ICSPCLK |
| Chân 19 | RB7 — I/O port B bit 7 / ICSPDAT |
| Chân 20 | VSS — Ground reference |
| Chân 21 | VDD — Positive supply voltage |
| Chân 22 | RC0 — I/O port C bit 0 / analog input |
| Chân 23 | RC1 — I/O port C bit 1 / analog input |
| Chân 24 | RC2 — I/O port C bit 2 / analog input |
| Chân 25 | RC3 — I/O port C bit 3 / analog input / SCL |
| Chân 26 | RC4 — I/O port C bit 4 / analog input / SDA |
| Chân 27 | RC5 — I/O port C bit 5 / analog input |
| Chân 28 | RC6 — I/O port C bit 6 / analog input / TX |
| Chân 29 | RC7 — I/O port C bit 7 / analog input / RX |
| Chân 30 | VSS — Ground reference |
| Chân 31 | VDD — Positive supply voltage |
| Chân 32 | RD0 — I/O port D bit 0 / analog input |
| Chân 33 | RD1 — I/O port D bit 1 / analog input |
| Chân 34 | RD2 — I/O port D bit 2 / analog input |
| Chân 35 | RD3 — I/O port D bit 3 / analog input |
| Chân 36 | RD4 — I/O port D bit 4 / analog input |
| Chân 37 | RD5 — I/O port D bit 5 / analog input |
| Chân 38 | RD6 — I/O port D bit 6 / analog input |
| Chân 39 | RD7 — I/O port D bit 7 / analog input |
| Chân 40 | RE0 — I/O port E bit 0 / analog input |
Ứng dụng tiêu biểu
PIC16LF18877-E/P phù hợp cho 7 Áp dụngs: IoT Sensor Node with Wireless Uplink, Battery-Powered Home Appliance Control, LED Lighting & Driver Control, Industrial Sensor & 4-20 mA Transmitter, Small Motor / Fan Speed Controller, Portable Medical & Wellness Device, Educational / Hobbyist Prototyping Platform.
IoT Sensor Node with Wireless Uplink
The PIC16LF18877-E/P fits IoT sensor nodes because of its 56KB Flash headroom for protocol stacks and its XLP sleep current below 50 nA with RTC active. The 32 MHz CPU clock and EUSART (plus two SPI/I2C ports) connect directly to sub-GHz transceivers like Microchip's MRF89XA or LoRa modules. PPS lets the designer remap UART lines to any I/O, simplifying PCB routing around the antenna. The 10-bit ADC2 with computation handles analog sensor reads while the CPU sleeps, extending battery life to multiple years on a coin cell.
Được đề xuất
Battery-Powered Home Appliance Control
Domestic appliance controllers benefit from the PIC16LF18877-E/P's XLP architecture, wide low-voltage operation, and Core Independent Peripherals like the Complementary Waveform Generator (CWG) and Hardware Limit Timer (HLT). The 40-pin PDIP package suits through-hole manufacturing lines, while 56 KB Flash holds UI state machines, fault handling, and wireless-stack glue logic. Combined with the 256-byte EEPROM for user setting retention across power cycles, the part eliminates external EEPROM on white-goods boards.
Được đề xuất
LED Lighting & Driver Control
For LED lighting the PIC16LF18877-E/P delivers precise PWM via its 16-bit PWM plus the CWG peripheral with programmable dead-band and auto-shutdown on overcurrent. PPS remaps PWM outputs to any pin, allowing single-board SKUs to drive different LED topologies. The 10-bit ADC2 reads light sensors for closed-loop dimming while CIP peripherals offload color-mixing logic from the CPU. Low sleep current suits mains-off standby targets below 50 mW.
Được đề xuất
Industrial Sensor & 4-20 mA Transmitter
Industrial 4-20 mA loop-powered transmitters rely on the PIC16LF18877-E/P's extended -40C to +125C temperature grade (E suffix) and ultra-low sleep current. The 32 MHz CPU handles linearization, calibration tables, and HART-style modulation on the loop while the ADC2 does background conversions. The 56KB Flash and 256B EEPROM support factory calibration constants and Modbus-style diagnostic stacks. PPS lets engineers route UART lines to isolation barriers without board rework.
Được đề xuất
Small Motor / Fan Speed Controller
BLDC and brushed-motor controllers pair well with the PIC16LF18877-E/P thanks to its CWG (Complementary Waveform Generator) with dead-band, Hardware Limit Timer, and Zero-Cross Detect. The CPU offloads commutation to CIP peripherals and runs only for fault handling and speed-loop PI computation. PPS allows flexible inverter pin mapping. The 40-pin PDIP package suits serviceable field-replacement modules where through-hole assembly remains standard.
Được đề xuất
Portable Medical & Wellness Device
Medical wearables and handheld monitors use the PIC16LF18877-E/P because of its XLP sleep, deterministic interrupt latency, and the CIP peripheral set for sensor-fusion pipelines. The 10-bit ADC2 plus configurable logic cells (CLC) let designers build state machines that wake the CPU only on meaningful biosignals. 56 KB Flash accommodates BLE-stack glue via SPI and a small RTOS-style scheduler. The extended -40C to +125C temperature grade supports sterilizable enclosures.
Được đề xuất
Educational / Hobbyist Prototyping Platform
Hobbyists and engineering students prefer the PIC16LF18877-E/P because of its through-hole 40-pin PDIP package - breadboard-friendly and forgiving of rework. The MPLAB X IDE with XC8 compiler, plus freebie Curiosity boards, makes the part approachable. 56 KB Flash gives room for bootloader experiments, and PPS lets learners try pin remapping without swapping boards. The -E temperature grade suits classroom projects exposed to soldering-iron heat without damage.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC16LF18877-E/P — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC16LF18877-I/P | PIC16F18877-I/P | PIC16F18877-E/P | PIC16LF18875-E/P | PIC16LF18876-E/P |
|---|---|---|---|---|---|---|
| Package | 40-pin PDIP | 40-pin PDIP - same | 40-pin PDIP - same | 40-pin PDIP - same | 40-pin PDIP - same | 40-pin PDIP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 56 KB (32K x 14) | 56 KB (32K x 14) | 56 KB (32K x 14) | 56 KB (32K x 14) | 32 KB (14K x 14) | 48 KB (28K x 14) |
| EEPROM | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes | 256 bytes |
| Max CPU Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage Family | LF (extended low-V) | LF (extended low-V) | F (standard V) | F (standard V) | LF (extended low-V) | LF (extended low-V) |
| Temperature Grade | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +125C (Extended) |
| Peripheral Pin Select (PPS) | Yes | Yes | Yes | Yes | Yes | Yes |
| Approx. Unit Price @ 100 | $1.43 | $1.40 (typical) | $1.50 (typical) | $1.55 (typical) | $1.30 (typical) | $1.38 (typical) |
Bảo phân biệt quan trọng
- Highest Flash density in the PIC16F1887x 40-pin PDIP lineup (vsPIC16LF18875-E/P)
- Extended LF voltage range for battery applications (vsPIC16F18877-E/P)
- Extended -40C to +125C temperature grade (vsPIC16LF18877-I/P)
- Through-hole 40-pin PDIP form factor for prototyping (vsPIC16F18877-I/PT)
Ghi chú thiết kế
Estimated: at VDD=3.3V and 32 MHz active mode, the PIC16LF18877-E/P draws roughly 2-3 mA active and <50 nA in XLP sleep with RTC running. Place a 100 nF ceramic decoupling capacitor within 5 mm of each VDD/AVDD pin pair, and a 4.7-10 uF bulk capacitor on the main VDD rail. For battery applications, switch unused peripherals off via PMD registers before sleep.
The 40-pin PDIP has wide 2.54 mm pitch - use a socket for development boards. Keep crystal/oscillator traces short and symmetric; if the internal 32 MHz oscillator is sufficient, leave the OSC1/OSC2 pins as GPIO via configuration fuses to free two I/Os. Route ICSPCLK/ICSPDAT (RB6/RB7) to a 2x3 header with proper isolation from high-current traces for in-circuit programming reliability.
PPS allows remapping of digital peripherals to most I/O pins. Place the EUSART/SPI lines adjacent to the connector or wireless module, then assign via PPS in firmware - this avoids late-stage PCB rework. For analog inputs, group ADC channels on the same port to minimize trace cross-talk. Keep analog traces short and away from PWM outputs to preserve ADC2 signal integrity.
Do not leave the MCLR pin floating - tie through a 10 kohm pull-up to VDD or use the internal MCLR via configuration bits. Disable the WDT in development builds unless explicitly required - WDT resets during long debug sessions obscure code bugs. For low-power applications, never use the standard DELAY loops for timing; rely on LFINTOSC with Timer1 gating for accurate microamp sleep current.
Thông tin tuân thủ
E-suffix extends to +125C but is not AEC-Q100 automotive-qualified. RoHS and lead-free status confirmed by Microchip product page; halogen-free not explicitly stated in verified data.
