PIC24F08KM101T-I/SS
PIC24F08KM101T-I/SS - 16-bit 32MHz 8KB Flash MCU | Microchip
The Microchip Technology PIC24F08KM101T-I/SS is a 16-bit microcontroller from the PIC24F KM family, operating at up to 32 MHz with 8 KB (2.75K x 24) of Flash program memory, 1 KB RAM, and 512 bytes of EEPROM, housed in a 20-pin SSOP package. It supports operation from 1.8 V to 5.5 V and integrates dedicated peripherals such as a 12-bit ADC, DAC output, comparators, op amps, and configurable logic cells (CLC), making it a compact mixed-signal MCU. The 'T' suffix indicates tape-and-reel packaging, and the 'I' industrial temperature range covers -40 °C to +85 °C.
A 16-bit microcontroller (MCU) is a class of embedded processor with a 16-bit data path, registers, and ALU, positioned between 8-bit MCUs (typical for simple control) and 32-bit MCUs (typical for higher performance and connectivity). The PIC24F belongs to the PIC24F family of low-power 16-bit MCUs from Microchip, and the broader hierarchy is: PIC24F KM series -> PIC24F family -> PIC microcontroller -> 16-bit MCU -> embedded processor -> semiconductor. These MCUs are commonly used for sensor interfacing, low-power IoT edge nodes, battery-powered instrumentation, and human-machine interface (HMI) subsystems.
Key features of the PIC24F08KM101T-I/SS include an integrated 12-bit ADC with multiple input channels, multiple Capture/Compare/PWM (MCCP/SCCP) timers, UART, SPI, I2C, and IrDA interfaces, plus an integrated op-amp and DAC for signal conditioning. The part supports Microchip's XLP (eXtreme Low Power) technology, with sleep currents in the microamp range, and it carries the PIC24F KM family hallmarks of small pin-count packages and an integrated analog engine.
The device uses a 16-bit modified Harvard architecture with a multi-channel DMA engine, hardware multiplier, and dual-bus architecture for predictable real-time performance. Code execution from Flash at 32 MHz provides 16 MIPS, with a single-cycle instruction fetch and most instructions executing in one or two cycles. The analog subsystem includes a 12-bit ADC with up to 500 ksps throughput, dedicated op-amps usable as gain stages or comparators, and a 5-bit DAC for offset or bias generation, all accessible via dedicated SFR registers.
Typical applications include sensor signal conditioning with on-chip op-amps, low-power IoT edge nodes that benefit from XLP sleep modes, battery-powered instrumentation, automotive body and LIN-bus nodes (with the PIC24F08KM101 family), and consumer HMI subsystems that need a small-pin, mixed-signal MCU. The wide 1.8 V to 5.5 V supply range lets the device run from single-cell Li-ion or 3.3 V system rails.
When designing, pair this MCU with an MPLAB Snap, PICkit 4, or ICD 4 programmer/debugger over ICSP. The 20-pin SSOP footprint allows hand-soldering and rework, but keep analog traces short and bypass VDD/AVDD with 100 nF and 10 µF capacitors to preserve ADC performance. This page synthesizes distributor pricing, drop-in alternatives in the same 20-SSOP footprint, and practical design notes not found in the manufacturer datasheet.
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