PIC16F18324-I/SL
PIC16F18324-I/SL - 7KB Flash 8-bit MCU XLP 14-SOIC | Microchip
The Microchip PIC16F18324-I/SL is a 32 MHz 8-bit PIC microcontroller with 7 KB Flash, 512 B SRAM and 256 B EEPROM, housed in a 14-pin SOIC (SL) package. It features Microchip XLP (eXtreme Low Power) technology with Integrated Functional Safety (FuSa) and Core Independent Peripherals (CIPs) including a 10-bit ADC, 5-bit DAC, comparators, CCP, 10-bit PWM, CLC, NCO, CWG, PPS, EUSART, SPI and I2C. The part is specified for the -40C to +85C industrial temperature range.
An 8-bit PIC microcontroller (MCU) is a compact, low-power computing core built around Microchip's enhanced mid-range architecture, integrating a CPU, non-volatile Flash program memory, SRAM data memory, EEPROM, and a rich set of analog and digital peripherals on a single die. PIC16F183xx MCUs sit in Microchip's hierarchical taxonomy as follows: PIC16F1xxx family -> 8-bit PIC MCUs -> PIC microcontrollers -> microcontrollers -> embedded semiconductors. These devices target cost- and power-sensitive general-purpose embedded designs.
Key features of the PIC16F18324-I/SL include the 32 MHz internal oscillator (with 4x PLL option), peripheral pin select (PPS) for flexible signal routing, 12 I/O pins, a 10-bit ADC with computation, a 5-bit DAC, and four 10-bit PWM channels. The device is supported by the MPLAB X IDE and the MPLAB Code Configurator (MCC) ecosystem, enabling rapid peripheral setup without manual register coding.
Architecturally the PIC16F18324 uses Microchip's enhanced mid-range core with a hardware multiplier, a 14-bit instruction word, and a vectored interrupt controller. The CIPs (CLC, NCO, CWG, 10-bit PWM) operate independently of the CPU, freeing MIPS for application logic and reducing firmware complexity for tasks such as waveform generation, signal conditioning, and protocol bit-banging.
Typical applications include low-power IoT sensor nodes, battery-powered consumer devices, home automation, LED lighting control, and small motor control loops. The 14-pin SOIC footprint also makes it a direct candidate for retrofitting legacy 8-bit designs that need to upgrade from older PIC16F1xxx or PIC16F182x parts while keeping the board unchanged.
When designing with this part, leave at least one GPIO free for in-system programming (ICSP) via PGC/PGD, since the SL package does not expose dedicated debug pins. Decouple VDD with a 100 nF ceramic capacitor placed within 5 mm of the pin, and verify ADC input impedance against the source impedance to keep acquisition-error below 10 LSB.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, helping engineers compare options, select the right MPN for their application, and avoid common integration pitfalls.
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