PIC24F08KA101-I/SO
PIC24F08KA101-I/SO - 16-bit 32MHz XLP MCU 8KB Flash | Microchip
The Microchip PIC24F08KA101-I/SO is a 16-bit PIC® XLP™ microcontroller featuring 8KB Flash, 1KB SRAM, and 512B EEPROM, operating at up to 32MHz (16 MIPS) in a 20-pin SOIC package. It is engineered around Microchip's nanoWatt XLP™ eXtreme Low Power technology and targets power-constrained and battery-powered applications.
A 16-bit microcontroller (MCU) is a single-chip computer that integrates a CPU core, Flash program memory, SRAM data memory, EEPROM, and peripherals on one die. PIC24F devices use Microchip's modified Harvard RISC architecture with a 16-bit data path, 24-bit instruction word, and rich interrupt controller, occupying the mid-tier position between 8-bit PIC® MCUs and 32-bit ARM Cortex-M parts. They sit within the broader hierarchy of microcontroller -> embedded controller -> semiconductor, and are commonly deployed where deterministic real-time response, low power, and a small footprint are required.
Key features include 16 MIPS performance at 32MHz, 16-bit wide instructions, deep sleep peripherals (DSBOR, DSWDT, RTCC) that keep selected functions alive while the CPU sleeps, multiple low-power modes (idle, sleep, deep sleep), 17 I/O pins, a 10-bit ADC up to 300 ksps, two analog comparators, and serial interfaces including UART, SPI, and I²C. The CTMU peripheral supports capacitive touch sensing without an external IC. Operating voltage is 1.8V-3.6V with active current of about 250 µA/MIPS and deep sleep current under 20 nA typical.
The PIC24F08KA101 integrates an internal 8MHz RC oscillator with PLL, configurable oscillator modes, and peripheral pin select (PPS) for flexible signal routing. Its watchdog timer with on-chip low-power RC, brown-out reset, and 16-bit timers make it well suited to industrial-grade designs. The 20-SOIC package offers a wide operating temperature range of -40°C to +85°C (industrial) suitable for harsh-environment deployment.
Typical applications include battery-powered sensor nodes, wearable health monitors, IoT edge devices, remote controls, low-power wireless sensor transmitters, HVAC thermostats, smoke detectors, and portable consumer electronics. The wide supply range and nanoWatt XLP sleep modes deliver years of operation from a single coin cell.
When designing with this MCU, allocate adequate decoupling (100 nF + 1 µF ceramic) near VDD, place the ICSP™ programming header close to PGC/PGD pins, and verify that any unused I/O pins are configured as outputs low to minimize current draw. For noise-sensitive analog designs, place analog and digital grounds on a split plane tied at a single point.
This page synthesizes distributor pricing, drop-in alternatives, comparison data and practical design notes not found in the manufacturer datasheet alone.
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