PIC16LF18324-E/P - 8-Bit XLP MCU 32MHz 7KB Flash DIP-14 | Microchip
MPN: PIC16LF18324-E/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.85 | $1.85 |
| 10 | $1.66 | $16.60 |
| 100 | $1.48 | $148.00 |
| 500 | $1.34 | $670.00 |
| 1,000 | $1.21 | $1,210.00 |
PIC16LF18324-E/P Overview
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.
Drop-in alternatives for PIC16LF18324-E/P — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC16LF18324-E/P (same form factor and footprint) — differing in ADC, Package, Program Memory (Flash), DAC, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16LF18323-E/P
✅ Drop-In✓ In Stock
$0.92 / Unit
View Datasheet →PIC16LF18324-I/P
✅ Drop-In✓ In Stock
$1.05 / Unit
View Datasheet →PIC16F18324-E/P
✅ Drop-In✓ In Stock
$0.78 / Unit
View Datasheet →PIC16LF1823-E/P
✅ Drop-In✓ In Stock
$0.64 / Unit
View Datasheet →PIC16LF18324-E/P Maximum Ratings & Electrical Characteristics
| 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 |
| Package | 14-pin PDIP (P) |
| Mounting Type | Through-Hole |
| Operating Temperature | -40 °C to +125 °C (extended, E suffix) |
| RoHS Status | Compliant |
| MSL Level | 1 (unsealed/through-hole) |
PIC16LF18324-E/P Pin Configuration
| Pin 1 | VDD — Positive supply voltage (1.8 V to 3.6 V) |
| Pin 2 | RA5 — GPIO / analog input / ICSP programming clock |
| Pin 3 | RA4 — GPIO / analog input / ICSP programming data |
| Pin 4 | RA3/MCLR — GPIO / Master Clear reset (active low) |
| Pin 5 | RC5 — GPIO / PPS-mappable digital peripheral |
| Pin 6 | RC4 — GPIO / PPS-mappable digital peripheral |
| Pin 7 | RC3 — GPIO / analog input / PPS-mappable peripheral |
| Pin 8 | RC2 — GPIO / analog input / PPS-mappable peripheral |
| Pin 9 | RC1 — GPIO / analog input / PPS-mappable peripheral |
| Pin 10 | RC0 — GPIO / analog input / PPS-mappable peripheral |
| Pin 11 | RA2 — GPIO / analog input / DAC output |
| Pin 12 | RA1 — GPIO / analog input / DAC reference |
| Pin 13 | RA0 — GPIO / analog input |
| Pin 14 | VSS — Ground reference |
Typical Applications
PIC16LF18324-E/P is suitable for 6 applications: 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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
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.
Recommended
Recommended Products Summary
Engineering reference data for PIC16LF18324-E/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | 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 |
Key Differentiators
- Extended temperature grade -40C to +125C (vs PIC16LF18324-I/P)
- Core Independent Peripherals (CLC, CWG, NCO) (vs PIC16LF1823-E/P)
- Peripheral Pin Select (PPS) routing flexibility (vs PIC16LF1823-E/P)
- Lower 1.8 V minimum VDD for battery-direct operation (vs PIC16F18324-E/P)
Design Notes
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.
Compliance Information
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.
