PIC16LF18877-E/P - 8-Bit 32MHz 56KB Flash XLP MCU | Microchip
料号： PIC16LF18877-E/P ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.78 | $1.78 |
| 10 | $1.6 | $16.00 |
| 100 | $1.43 | $143.00 |
| 500 | $1.28 | $640.00 |
| 1,000 | $1.14 | $1,140.00 |
PIC16LF18877-E/P 概述
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.
直接替换替代料： PIC16LF18877-E/P ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC16LF18877-E/P （相同外形与封装尺寸） ——差异在于 Core Architecture, Package, Mounting Type, ADC, Program Memory (Flash).
快速对比工具——选择替代料号进行并排对比：
PIC16LF18877-I/P
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$2.1 / 个
查看数据手册 →PIC16F18877-I/P
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$2.25 / 个
查看数据手册 →PIC16F18877-E/P
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC16LF18875-E/PT
✅ 直接替换✓ 有现货
$1.4 / 个
查看数据手册 →PIC16LF18876-E/P
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.92 / 个
查看数据手册 →PIC16LF18876-E/P
✅ 直接替换✓ 有现货
$1.92 / 个
查看数据手册 →PIC16LF18877-E/P 最大额定值与电气特性
| 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 |
| 引脚数量 | 40 |
| 封装 | 40-pin PDIP (0.600 in / 15.24 mm width) |
| 安装类型 | 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) |
| MSL 等级 | Not applicable (through-hole) |
PIC16LF18877-E/P 引脚配置
| 引脚 1 | RE3/MCLR — Digital input / Master Clear (reset, active-low) |
| 引脚 2 | RA0 — I/O port A bit 0 / analog input |
| 引脚 3 | RA1 — I/O port A bit 1 / analog input |
| 引脚 4 | RA2 — I/O port A bit 2 / analog input |
| 引脚 5 | RA3 — I/O port A bit 3 / analog input |
| 引脚 6 | RA4 — I/O port A bit 4 / analog input |
| 引脚 7 | RA5 — I/O port A bit 5 / analog input |
| 引脚 8 | RA6 — I/O port A bit 6 / analog input |
| 引脚 9 | RA7 — I/O port A bit 7 / analog input |
| 引脚 10 | VSS — Ground reference |
| 引脚 11 | VDD — Positive supply voltage |
| 引脚 12 | RB0 — I/O port B bit 0 / analog input |
| 引脚 13 | RB1 — I/O port B bit 1 / analog input |
| 引脚 14 | RB2 — I/O port B bit 2 / analog input |
| 引脚 15 | RB3 — I/O port B bit 3 / analog input |
| 引脚 16 | RB4 — I/O port B bit 4 / analog input |
| 引脚 17 | RB5 — I/O port B bit 5 / analog input |
| 引脚 18 | RB6 — I/O port B bit 6 / ICSPCLK |
| 引脚 19 | RB7 — I/O port B bit 7 / ICSPDAT |
| 引脚 20 | VSS — Ground reference |
| 引脚 21 | VDD — Positive supply voltage |
| 引脚 22 | RC0 — I/O port C bit 0 / analog input |
| 引脚 23 | RC1 — I/O port C bit 1 / analog input |
| 引脚 24 | RC2 — I/O port C bit 2 / analog input |
| 引脚 25 | RC3 — I/O port C bit 3 / analog input / SCL |
| 引脚 26 | RC4 — I/O port C bit 4 / analog input / SDA |
| 引脚 27 | RC5 — I/O port C bit 5 / analog input |
| 引脚 28 | RC6 — I/O port C bit 6 / analog input / TX |
| 引脚 29 | RC7 — I/O port C bit 7 / analog input / RX |
| 引脚 30 | VSS — Ground reference |
| 引脚 31 | VDD — Positive supply voltage |
| 引脚 32 | RD0 — I/O port D bit 0 / analog input |
| 引脚 33 | RD1 — I/O port D bit 1 / analog input |
| 引脚 34 | RD2 — I/O port D bit 2 / analog input |
| 引脚 35 | RD3 — I/O port D bit 3 / analog input |
| 引脚 36 | RD4 — I/O port D bit 4 / analog input |
| 引脚 37 | RD5 — I/O port D bit 5 / analog input |
| 引脚 38 | RD6 — I/O port D bit 6 / analog input |
| 引脚 39 | RD7 — I/O port D bit 7 / analog input |
| 引脚 40 | RE0 — I/O port E bit 0 / analog input |
典型应用
PIC16LF18877-E/P 适用于 7 应用s: 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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
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.
推荐
推荐产品汇总
工程参考数据： PIC16LF18877-E/P ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | 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) |
关键差异点
- Highest Flash density in the PIC16F1887x 40-pin PDIP lineup （对比 PIC16LF18875-E/P)
- Extended LF voltage range for battery applications （对比 PIC16F18877-E/P)
- Extended -40C to +125C temperature grade （对比 PIC16LF18877-I/P)
- Through-hole 40-pin PDIP form factor for prototyping （对比 PIC16F18877-I/PT)
设计说明
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.
合规信息
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.
