PIC16F15323-I/SL
PIC16F15323-I/SL - 8-bit MCU, 3.5KB Flash, 32MHz | Microchip
The Microchip Technology PIC16F15323-I/SL is an 8-bit PIC microcontroller from the PIC16(L)F153XX family, delivering up to 32 MHz CPU performance with 3.5 KB (2K x 14) self-programmable Flash program memory in a 14-pin SOIC (SL) package. It features 256 bytes of RAM, an Enhanced Mid-Range core with 49 instructions, 16 stack levels, and integrates core-independent peripherals such as 4x 10-bit PWMs, a 5-bit DAC, a comparator, a Configurable Logic Cell (CLC) block, Complementary Waveform Generator (CWG), and EUSART/SPI/I2C communication. The -I suffix indicates the industrial temperature range of -40C to +85C, and the SL suffix denotes the 14-lead narrow-body SOIC surface-mount package.
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash, RAM, EEPROM), and programmable peripherals into one IC. The PIC16F15323 belongs to the 8-bit enhanced mid-range MCU hierarchy, which sits between Microchip's baseline 8-bit cores and 16-bit PIC24/dsPIC families. Its peripheral pin select (PPS) and peripheral module disable (PMD) features allow flexible pin mapping and fine-grained power gating, while eXtreme Low Power (XLP) IDLE and DOZE modes help designers minimize active and standby current for battery-powered applications.
Key features of the PIC16F15323 include eXtreme Low Power (XLP) technology for sub-microamp sleep currents, 4x 10-bit PWM outputs, 2x comparators with selectable references, a 5-bit DAC, 4x Configurable Logic Cells (CLC), Complementary Waveform Generator (CWG), EUSART (enhanced USART), SPI, I2C, and a 10-bit ADC. The device supports self-read/write Flash with a wide 2.3V to 5.5V operating voltage, making it suitable for both 3.3V and 5V systems. The PIC16F15323 also supports in-circuit serial programming (ICSP) and debugging.
The PIC16F15323 uses a Harvard architecture with separate program and data buses, an internal oscillator accurate to ±1% typical, and a low-power 32 kHz secondary oscillator for RTC-like functions. This architecture enables deterministic instruction execution and rapid interrupt response, both of which are valuable in real-time control loops such as LED dimming, motor commutation, and sensor signal conditioning. Combined with 4 CLC blocks, designers can implement custom combinational and sequential logic in hardware without external glue chips.
Typical applications include low-power IoT sensor nodes, LED lighting and signage controllers, battery-powered consumer devices, automotive body and accessory modules (where AEC-Q100 is not required), small home appliances, and general-purpose digital control replacing discrete logic. The combination of analog peripherals (ADC, DAC, comparator) and communication peripherals (EUSART, SPI, I2C) makes it a flexible system-on-chip for cost-sensitive embedded designs.
When designing with this device, ensure that the internal oscillator accuracy is acceptable for your UART timing budget; otherwise, an external crystal or resonator may be required. Use Microchip's MPLAB X IDE and XC8 compiler for firmware development, and configure unused pins as digital low-power outputs to minimize current draw in sleep modes.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone, providing a consolidated engineering reference for the PIC16F15323-I/SL.
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