PIC24F08KA102T-I/ML
PIC24F08KA102T-I/ML - 8KB Flash 16-bit XLP MCU | Microchip
The Microchip Technology PIC24F08KA102T-I/ML is a 16-bit PIC microcontroller from the PIC24F XLP (eXtreme Low Power) family, featuring 8KB of Flash program memory, 1KB of RAM, 512 bytes of EEPROM, and a maximum CPU speed of 32 MHz (16 MIPS) in a 28-pin QFN (ML) 6x6 mm package. It targets low-power, battery-constrained applications where active current consumption in the microamp range is essential. The device integrates nanoWatt XLP technology with deep-sleep features including DSBOR, DSWDT, and RTCC retention.
A microcontroller (MCU) is a single-chip computer containing a CPU, memory (Flash/RAM/EEPROM), and peripherals such as ADC, timers, UART, and I/O ports. PIC24F series MCUs sit in the 16-bit MCU tier (between 8-bit PIC16/AVR and 32-bit ARM Cortex-M), optimized for low-power and mixed-signal embedded designs. The PIC24F08KA102T-I/ML belongs to the nanoWatt XLP subset, with power-management modes that extend battery life to years in sleep-dominated duty cycles.
Key features include 17 general-purpose I/O pins, four 16-bit timers, a 10-bit ADC with up to 9 channels, two analog comparators, two UART modules, one SPI, one I2C, and a Real-Time Clock Calendar (RTCC). The supply voltage is 1.8V to 3.6V with typical active current around 1.5 mA at 32 MHz, and deep-sleep current as low as 20 nA with retained RAM. The 28-QFN package supports industrial operating temperatures from -40C to +85C.
Architecturally, the device uses a modified Harvard architecture with separate Flash and SRAM buses, enabling simultaneous instruction fetch and data access. The peripheral pin-select (PPS) function allows flexible remapping of digital peripherals to physical pins, simplifying PCB layout and BOM consolidation. The CTMU (Charge Time Measurement Unit) enables touch sensing, capacitive proximity, and time-of-flight measurements without external circuitry.
Typical applications include IoT sensor nodes, wearable health monitors, remote controls, battery-powered instrumentation, smart meters, and consumer appliances. The combination of 8KB Flash and XLP deep-sleep makes it ideal for designs that wake briefly to acquire and transmit data, then return to sub-microamp sleep. The compact 28-QFN package also suits space-constrained PCB designs.
When designing with this part, evaluate the XLP current budget against battery chemistry. At 20 nA deep-sleep with periodic wake events, a CR2032 coin cell can last many years. Pay attention to decoupling and ADC reference bypassing, and use the PPS feature to optimize pin allocation. Programming is supported by the free MPLAB X IDE and XC16 compiler.
This page synthesizes distributor pricing, same-family drop-in alternatives, and practical low-power design notes that go beyond the manufacturer datasheet.
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