PIC16LF18324-E/P - 8-Bit XLP MCU 32MHz 7KB Flash DIP-14 | Microchip
MPN： PIC16LF18324-E/P ✓ 啟用中PIC16LF18324-E/P 概覽
What is an 8-bit microcontroller? An 8-bit microcontroller is a single-chip computer that processes data in 8-bit chunks, integrating a CPU, flash program memory, SRAM, EEPROM, and peripherals (ADC, timers, PWM, communication modules) on one die. The PIC16LF18324 belongs to the category hierarchy: microcontroller → 8-bit MCU → PIC® XLP™ → PIC16LF183xx family → PIC16LF18324 sub-family → semiconductor. The XLP (eXtreme Low Power) designation indicates sub-microamp sleep currents suitable for coin-cell and energy-harvesting designs. (90 words)
Key features of the PIC16LF18324-E/P include the 32 MHz internal oscillator, 12-bit ADC with computation, 10-bit DAC, multiple 8/16-bit timers, configurable logic cells (CLC), complementary waveform generator (CWG), capture/compare/PWM modules, and an EUSART plus MSSP (I²C/SPI) peripheral. The PPS remaps digital peripherals to multiple I/O pins, reducing board-space and BOM cost in mixed-signal designs. The wide 1.8 V–3.6 V operating range supports two AA alkaline cells directly, eliminating boost converters in many portable products. (95 words)
The PIC16LF18324 uses an enhanced mid-range 8-bit core with a hardware stack, 14-bit wide instructions, and a single-cycle instruction path. PPS, CLC, and the ADC with hardware accumulation form a Core Independent Peripheral (CIP) set that offloads tasks from the CPU, reducing active-mode current and improving real-time response. Internal voltage reference and zero-cross detect modules support precision analog signal conditioning without external components. (75 words)
Typical applications include battery-powered sensor nodes, consumer IoT devices, automotive body and interior modules (extended -40 °C to +125 °C rating), LED lighting controllers, low-power remote controls, and small appliance controls. The combination of PPS and CLC allows the MCU to drive custom logic and timing sequences without software intervention, an advantage in cost-sensitive motor control and lighting. (50 words)
When designing with this part, use the MPLAB X IDE with XC8 compiler and select the LF (low-voltage) part for 1.8 V–3.6 V systems. The PPS configuration is set in firmware and must be re-applied after each reset; place a 0.1 µF decoupling capacitor close to VDD and add bulk capacitance if driving high-current loads. (55 words)
This page synthesizes drop-in alternative MPNs, application notes, and practical design guidance beyond what the manufacturer datasheet alone provides, helping engineers select and source the right part.
直接替換替代品，適用於 PIC16LF18324-E/P — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： PIC16LF18324-E/P （相同外形與佔位） — 差異在於 ADC, Package, Program Memory (Flash), Core Independent Peripherals, DAC.
PIC16LF18323-E/P
✅ 直接替換聯絡詢價
查看資料表 →PIC16LF18324-I/P
✅ 直接替換聯絡詢價
查看資料表 →PIC16F18324-E/P
✅ 直接替換聯絡詢價
查看資料表 →PIC16LF1823-E/P
✅ 直接替換聯絡詢價
查看資料表 →PIC16LF18324-E/P 最大額定值與電氣特性
| Core Architecture | PIC 8-bit Enhanced Mid-range |
| Family | PIC® XLP™ 16F |
| Maximum CPU Frequency | 32 MHz |
| Program Memory (Flash) | 7 KB (4K x 14) |
| SRAM | 512 bytes |
| EEPROM | 256 bytes |
| Operating Voltage (VDD) | 1.8 V to 3.6 V |
| ADC | 12-bit with computation |
| DAC | 10-bit |
| Timers | Multiple 8/16-bit |
| Communication Peripherals | EUSART, MSSP (I²C/SPI) |
| Core Independent Peripherals | CLC, CWG, PPS, NCO |
| 封裝 | 14-pin PDIP (P) |
| 安裝類型 | Through-Hole |
| 工作溫度 | -40 °C to +125 °C (extended, E suffix) |
| RoHS 狀態 | Compliant |
| MSL 等級 | 1 (unsealed/through-hole) |
PIC16LF18324-E/P 腳位配置
| 腳位 1 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
| 腳位 2 | RA5 — GPIO / analog input / ICSP programming clock |
| 腳位 3 | RA4 — GPIO / analog input / ICSP programming data |
| 腳位 4 | RA3/MCLR — GPIO / Master Clear reset (active low) |
| 腳位 5 | RC5 — GPIO / PPS-mappable digital peripheral |
| 腳位 6 | RC4 — GPIO / PPS-mappable digital peripheral |
| 腳位 7 | RC3 — GPIO / analog input / PPS-mappable peripheral |
| 腳位 8 | RC2 — GPIO / analog input / PPS-mappable peripheral |
| 腳位 9 | RC1 — GPIO / analog input / PPS-mappable peripheral |
| 腳位 10 | RC0 — GPIO / analog input / PPS-mappable peripheral |
| 腳位 11 | RA2 — GPIO / analog input / DAC output |
| 腳位 12 | RA1 — GPIO / analog input / DAC reference |
| 腳位 13 | RA0 — GPIO / analog input |
| 腳位 14 | VSS — Ground reference |
典型應用
PIC16LF18324-E/P 適用於 6 應用s: Battery-Powered IoT Sensor Node, Automotive Body and Interior Modules, LED Lighting Controller, Consumer Remote Control, Small Appliance Control Board, Wearable Health Monitor.
Battery-Powered IoT Sensor Node
The PIC16LF18324-E/P's 1.8–3.6 V VDD range and XLP sleep currents below 1 µA let it run directly from alkaline or Li-ion cells without boost converters, making it ideal for wireless sensor nodes. Core Independent Peripherals (CLC, CWG, NCO) handle timing and signal generation autonomously so the CPU can stay in sleep, extending battery life to multiple years. The 12-bit ADC with computation and 10-bit DAC support analog sensor signal chains on-chip.
推薦
Automotive Body and Interior Modules
The -40 °C to +125 °C extended temperature grade of the -E suffix and robust 32 MHz core suit body controllers, HVAC panel logic, and interior lighting drivers. The CWG peripheral generates complementary PWM with dead-band control for MOSFET half-bridge drivers used in seat heaters and small fans. Peripheral Pin Select routes UART and SPI to multiple pins, simplifying PCB layout when modules integrate with multiple bus segments.
推薦
LED Lighting Controller
The PIC16LF18324-E/P drives multi-channel LED strings using its 10-bit DAC for current reference and CLC for autonomous PWM generation. The 32 MHz core supports DMX, DALI, or proprietary 0–10 V dimming protocols via EUSART, while the MSSP handles I²C-based color/temperature sensors. PPS routes PWM channels to any GPIO, simplifying PCB routing when channel counts increase.
推薦
Consumer Remote Control
Infrared remotes benefit from the PIC16LF18324-E/P's sub-µA sleep current, allowing multi-year battery life from a single coin cell. The NCO and CWG peripherals generate accurate 38 kHz carrier waveforms without CPU intervention, freeing the core for button-scan and protocol encoding. The 256-byte data EEPROM stores pairing keys and brand codes across power cycles.
推薦
Small Appliance Control Board
Coffee makers, blenders, and slow cookers use the PIC16LF18324-E/P for sensor reading, button debouncing, and triac/MOSFET drive via CWG. The 12-bit ADC reads temperature, level, and current sensors while the 10-bit DAC drives analog references for comparator-based protection circuits. The wide 1.8–3.6 V VDD range allows direct drive from rectified mains-derived rails.
推薦
Wearable Health Monitor
Wearable patches and fitness bands rely on the PIC16LF18324-E/P's nanoWatt XLP modes and 1.8 V minimum operation to draw under 1 µA in sleep between sensor readings. The CLC peripheral filters and triggers the ADC autonomously when motion thresholds are exceeded, allowing the CPU to sleep during stationary periods. PPS lets designers route I²C to multiple sensor buses without remapping firmware.
推薦
推薦產品摘要
工程參考資料，適用於 PIC16LF18324-E/P — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | PIC16LF18323-E/P | PIC16LF18324-I/P | PIC16F18324-E/P | PIC16LF1823-E/P |
|---|---|---|---|---|---|
| Package | 14-pin PDIP | 14-pin PDIP - same | 14-pin PDIP - same | 14-pin PDIP - same | 14-pin PDIP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 7 KB | 3.5 KB (-50%) | 7 KB (same) | 7 KB (same) | 3.5 KB (-50%) |
| SRAM | 512 bytes | 256 bytes (-50%) | 512 bytes (same) | 512 bytes (same) | 128 bytes (-75%) |
| Operating Voltage (VDD) | 1.8 V to 3.6 V | 1.8 V to 3.6 V (same) | 1.8 V to 3.6 V (same) | 2.3 V to 5.5 V | 1.8 V to 3.6 V (same) |
| Temperature Grade | -40C to +125C (extended) | -40C to +125C (extended) | -40C to +85C (industrial) | -40C to +125C (extended) | -40C to +125C (extended) |
| Core Independent Peripherals (CLC/CWG/NCO) | Yes | Yes | Yes | Yes | No |
| Peripheral Pin Select (PPS) | Yes | Yes | Yes | Yes | No |
| Unit Price (USD, qty 1) | 1.85 | 1.78 | 1.72 | 1.95 | 1.55 |
主要差異化特點
- Extended temperature grade -40C to +125C (對比PIC16LF18324-I/P)
- Core Independent Peripherals (CLC, CWG, NCO) (對比PIC16LF1823-E/P)
- Peripheral Pin Select (PPS) routing flexibility (對比PIC16LF1823-E/P)
- Lower 1.8 V minimum VDD for battery-direct operation (對比PIC16F18324-E/P)
設計說明
Place a 0.1 µF decoupling capacitor within 5 mm of the VDD pin (pin 1) and a 10 µF bulk capacitor near the supply rail entry. For battery designs drawing < 1 µA in sleep, add a 100 kΩ/100 nF RC on MCLR (pin 4) to prevent false resets from leakage paths on long PCB traces.
PPS assignments must be reconfigured after every reset because the PPS registers reset to default unlocked mappings. Use the unlock sequence (PPSLOCK = 0x55, 0xAA) before writing PPS registers in firmware; failing to do so is the most common cause of peripherals not working on first power-up.
Keep the ICSPDAT/ICSPCLK traces (shared with RA4/RA5) short to minimize programming noise coupling into adjacent analog inputs. If the application uses ADC on those pins, add a 10 kΩ series resistor and a small capacitor to ground to isolate them during in-circuit programming.
When driving triac or MOSFET loads from CWG outputs, place a gate resistor of 100 Ω to 1 kΩ in series to dampen ringing. Use a 4.7 kΩ pull-down on the gate to keep the device off during MCU reset, and verify the load voltage does not exceed the absolute maximum VDD + 0.3 V on any I/O pin.
合規資訊
RoHS and REACH compliant per Microchip product page. Standard -E suffix is not AEC-Q100 qualified; automotive customers should verify PIC16LF18324-E/P-VAO automotive version or higher-grade dsPIC33 alternatives. Halogen-free per Microchip environmental data.
