PIC16LF18324-E/ST - 8-Bit XLP MCU, 7KB Flash, 32MHz | Microchip
料号： PIC16LF18324-E/ST ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $1.23 | $1.23 |
| 10 | $1.11 | $11.10 |
| 100 | $0.95 | $95.00 |
| 500 | $0.86 | $430.00 |
| 1,000 | $0.78 | $780.00 |
| 3,000 | $0.71 | $2,130.00 |
PIC16LF18324-E/ST 概述
An 8-bit microcontroller (MCU) is a small computer-on-a-chip containing a CPU, program memory (Flash), data memory (RAM), non-volatile storage (EEPROM), and programmable peripheral interfaces on a single die. Within the broader power management and embedded hierarchy, MCUs sit alongside voltage regulators and interface ICs as the core of any digital control subsystem, and the PIC16 family occupies the mid-range 8-bit tier between baseline PIC10/12/16 devices and 16-bit dsPIC/dspIC families. The "LF" prefix indicates the low-voltage, low-power F-version process variant that supports 1.8 V to 3.6 V operation, while the "E" suffix denotes the extended temperature grade of -40 °C to +125 °C.
Key features include a 10-bit ADC, a 5-bit DAC, two comparators, a 10-bit PWM with capture/compare/PWM (CCP) module, Configurable Logic Cells (CLC), Numerically Controlled Oscillator (NCO), Complementary Waveform Generator (CWG), Peripheral Pin Select (PPS), and serial interfaces including EUSART, SPI, and I2C. The 14-pin TSSOP package exposes 12 user I/O pins with PPS remapping, allowing flexible peripheral-to-pin assignment without PCB rework.
Architecturally, the PIC16LF18324 uses an enhanced mid-range 8-bit RISC core with a single-cycle instruction path, hardware stack, and interrupt controller that services up to 14 interrupt sources. The XLP architecture integrates nanoWatt features such as idle/doze/sleep modes with sub-microamp standby current, making the part suitable for battery-powered IoT endpoints.
Typical applications include IoT sensor nodes, wearable health monitors, low-power wireless remotes, home automation controllers, and industrial sensor interfaces. The combination of XLP sleep current, ADC, DAC, and PPS routing is particularly useful for tightly integrated analog/digital designs where board area is constrained.
When designing with this MCU, allocate 2 KB of Flash for bootloader overhead when planning field updates, and use the PPS feature to route peripherals to any I/O pin, which simplifies PCB layout. Place a 0.1 µF decoupling capacitor adjacent to VDD and tie the MCLR pin through a 10 kΩ pull-up for normal operation. This entry distills catalog specs, distributor inventory, and drop-in equivalents into a single decision-ready reference not found in any single source datasheet.
直接替换替代料： PIC16LF18324-E/ST ——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： PIC16LF18324-E/ST （相同外形与封装尺寸） ——差异在于 Package, ADC, Core, Operating Temperature, Mounting Type.
快速对比工具——选择替代料号进行并排对比：
PIC16LF18324-I/ST
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
PIC16LF18324-E/SL
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$0.6 / 个
查看数据手册 →PIC16LF18324-E/P
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$1.21 / 个
查看数据手册 →PIC16LF18324T-I/ST
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$0.91 / 个
查看数据手册 →PIC16F18324-E/STVAO
✅ 直接替换✓ 有现货
$1.12 / 个
查看数据手册 →PIC16LF18324-E/ST 最大额定值与电气特性
| Core | PIC16 8-bit RISC |
| Program Memory (Flash) | 7 KB (4K x 14 words) |
| Data SRAM | 512 B |
| Data EEPROM | 256 B |
| Maximum CPU Frequency | 32 MHz |
| Operating Voltage Range | 1.8 V to 3.6 V |
| 工作温度范围 | -40 °C to +125 °C (E grade) |
| ADC | 10-bit |
| DAC | 5-bit |
| Comparators | 2 |
| PWM Channels | 10-bit PWM + CCP |
| Serial Interfaces | EUSART, SPI, I2C |
| Configurable Logic Cells (CLC) | Yes |
| Numerically Controlled Oscillator (NCO) | Yes |
| Complementary Waveform Generator (CWG) | Yes |
| Peripheral Pin Select (PPS) | Yes |
| Number of I/O Pins | 12 |
| 封装 | 14-pin TSSOP |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
PIC16LF18324-E/ST 引脚配置
| 引脚 1 | RA0 — Digital I/O / IOCOM with PPS remapping |
| 引脚 2 | RA1 — Digital I/O / IOCOM with PPS remapping |
| 引脚 3 | RA2 — Digital I/O / IOCOM with PPS remapping |
| 引脚 4 | RA3/MCLR — Digital I/O or Master Clear (reset) input |
| 引脚 5 | VSS — Ground reference |
| 引脚 6 | RA5 — Digital I/O / IOCOM with PPS remapping |
| 引脚 7 | RA4 — Digital I/O / IOCOM with PPS remapping |
| 引脚 8 | RC0 — Digital I/O / IOCOM with PPS remapping |
| 引脚 9 | RC1 — Digital I/O / IOCOM with PPS remapping |
| 引脚 10 | RC2 — Digital I/O / IOCOM with PPS remapping |
| 引脚 11 | RC3 — Digital I/O / IOCOM with PPS remapping |
| 引脚 12 | RC5 — Digital I/O / IOCOM with PPS remapping |
| 引脚 13 | RC4 — Digital I/O / IOCOM with PPS remapping |
| 引脚 14 | VDD — Positive supply (1.8 V to 3.6 V) |
典型应用
PIC16LF18324-E/ST 适用于 6 应用s: Battery-Powered IoT Sensor Node, Wearable Health Monitor, Home Automation Controller, Industrial Sensor Interface Module, Low-Power Wireless Remote Control, LED Lighting Dimmer Controller.
Battery-Powered IoT Sensor Node
The PIC16LF18324-E/ST fits IoT sensor nodes because its XLP architecture delivers sub-microamp sleep current while retaining 12 I/O pins for sensor interfacing. Operating from 1.8 V to 3.6 V lets the MCU run directly from a CR2032 coin cell or single Li-ion cell without an LDO, and the 10-bit ADC and 5-bit DAC simplify analog sensor conditioning. With 7 KB Flash and 512 B RAM, the device handles BLE-bootloader-style command handling plus periodic sampling and reporting. Use the CLC to debounce mechanical switches in hardware and free the CPU for application logic.
推荐
Wearable Health Monitor
For wearable health monitors, the PIC16LF18324-E/ST's XLP sleep currents (under 100 nA typical in deep sleep) keep total system quiescent draw low enough for multi-day runtime on small Li-ion cells. The 32 MHz CPU can sample PPG/heart-rate sensors and run lightweight signal-processing filters between sleeps. The integrated 10-bit ADC captures analog bio-sensor signals, while the EUSART/SPI/I2C interfaces link to BLE modules and OLED displays. Peripheral Pin Select (PPS) lets designers route I2C and SPI to any available I/O, simplifying board layout around curved enclosures.
推荐
Home Automation Controller
The PIC16LF18324-E/ST suits home automation controllers because its 12 I/O pins drive multiple digital sensors and actuators while the CLC, NCO, and CWG peripherals synthesize timing, modulation, and complementary waveforms. Operating at 1.8 V to 3.6 V matches battery-powered wireless remotes, and the integrated comparators enable zero-crossing detection for AC-line-coupled dimming. The 14-TSSOP package is small enough for in-wall switches. According to Microchip application notes, the PPS feature lets one MCU design serve multiple SKUs with different peripheral-to-pin assignments.
推荐
Industrial Sensor Interface Module
Industrial sensor modules benefit from the PIC16LF18324-E/ST's extended -40 °C to +125 °C temperature grade and 1.8 V to 3.6 V supply range, which suits 24 V industrial rails with a small switching pre-regulator. The 10-bit ADC and 5-bit DAC handle analog 4-20 mA loop emulation or thermistor conditioning, while the EUSART serves RS-485 link layers via external transceivers. The 7 KB Flash accommodates MODBUS RTU or IO-Link-style stacks, and the CLC blocks implement safety logic in firmware-free hardware. PPS routing simplifies PCB layouts with non-standard pin assignments.
推荐
Low-Power Wireless Remote Control
Wireless remote controls leverage the PIC16LF18324-E/ST's XLP deep-sleep current to extend battery life to multi-year levels on a single coin cell. The integrated NCO and CWG peripherals synthesize sub-GHz carrier frequencies without external crystals, while the 10-bit PWM drives IR-LED modulation. The 32 MHz CPU allows button debouncing, multi-key press decoding, and RF protocol stacks within the 7 KB Flash budget. PPS lets the designer place the antenna matching network on quiet I/O pins for best RF performance.
推荐
LED Lighting Dimmer Controller
LED dimmer controllers use the PIC16LF18324-E/ST because the CWG and 10-bit PWM peripherals deliver flicker-free phase-controlled dimming and color-mixing on RGBW strips. The comparators detect zero-crossing of the AC mains for TRIAC-compatible dimming, and the CLC blocks implement safety interlocks in hardware without CPU round-trip latency. The 14-TSSOP fits behind wall plates, and 1.8 V to 3.6 V operation lets a single low-dropout regulator serve both logic and analog rails. The 7 KB Flash accommodates DMX/DALI/Hue-style protocols.
推荐
推荐产品汇总
工程参考数据： PIC16LF18324-E/ST ——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 | PIC16LF18324-I/ST | PIC16LF18324-E/SL | PIC16LF18324-E/P | PIC16LF18324T-I/ST | PIC16F18324-E/ST |
|---|---|---|---|---|---|---|
| Package | TSSOP-14 (/ST) | TSSOP-14 (/ST) | SOIC-14 (/SL) | PDIP-14 (/P) | TSSOP-14 (/ST) | TSSOP-14 (/ST) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 7 KB | 7 KB | 7 KB | 7 KB | 7 KB | 7 KB |
| Data SRAM | 512 B | 512 B | 512 B | 512 B | 512 B | 512 B |
| Data EEPROM | 256 B | 256 B | 256 B | 256 B | 256 B | 256 B |
| Maximum CPU Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage Range | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.3 V to 5.5 V |
| Operating Temperature Range | -40 °C to +125 °C (E) | -40 °C to +85 °C (I) | -40 °C to +125 °C (E) | -40 °C to +125 °C (E) | -40 °C to +85 °C (I) | -40 °C to +125 °C (E) |
| Number of I/O Pins | 12 | 12 | 12 | 12 | 12 | 12 |
| ADC Resolution | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit | 10-bit |
| DAC | 5-bit | 5-bit | 5-bit | 5-bit | 5-bit | 5-bit |
关键差异点
- Lower voltage range than PIC16F18324-E/ST （对比 PIC16F18324-E/ST)
- Wider temperature range than I-grade variant （对比 PIC16LF18324-I/ST)
- More Flash and I/O than PIC16LF18323 （对比 PIC16LF18323-E/ST)
设计说明
The PIC16LF18324-E/ST supports 1.8 V to 3.6 V operation. For full 32 MHz performance, VDD must remain at or above 2.5 V. Below 2.5 V the CPU is throttled by the LF process variant. When designing battery-powered nodes, choose a Li-ion (3.0 V nominal) or CR2032 (3.0 V) source and add a 0.1 µF decoupling capacitor adjacent to pin 14 (VDD) and pin 5 (VSS). Estimated: at 32 MHz CPU clock, ICC is approximately 5 mA active; sleep current can drop below 1 µA with XLP mode.
TSSOP-14 has 0.65 mm pitch and requires careful PCB layout. Place a 4-layer board with a continuous ground plane under the package and route VDD with a 0.1 µF + 10 µF bulk capacitor pair. Keep clock traces short. The exposed thermal pad on TSSOP is not present on this 14-pin variant, but a top-side ground pour improves EMI. Always tie MCLR (pin 4) to VDD through a 10 kΩ resistor for normal operation; pull low only during reset.
Do not exceed the absolute maximum VDD rating of 4.0 V (LF variant) or 5.5 V (F variant) - ESD and over-voltage events will permanently damage the part. Always configure the Configuration Words (CONFIG1/CONFIG2) for the correct oscillator mode and WDT setting before code download. Avoid leaving floating analog inputs - tie unused ADC pins to either VDD or VSS through a resistor to prevent shoot-through current. Per the Microchip datasheet, all digital I/O pins default to inputs on startup.
合规信息
RoHS compliant per Microchip product page. This part is industrial/extended grade - it is NOT AEC-Q100 qualified; for automotive applications select the AEC-Q100 screened Q1 / VAO suffix variants.
