PIC24F08KM102T-I/SO - 16-Bit 32MHz 8KB Flash MCU | Microchip
MPN: PIC24F08KM102T-I/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.85 | $2.85 |
| 10 | $2.56 | $25.60 |
| 100 | $2.27 | $227.00 |
| 500 | $2.04 | $1,020.00 |
| 1,000 | $1.82 | $1,820.00 |
PIC24F08KM102T-I/SO Overview
A 16-bit microcontroller is a class of embedded processor that doubles the data-path width of an 8-bit MCU, enabling higher arithmetic precision and more efficient C-code execution. Within the broader taxonomy, the PIC24F belongs to: microcontroller (MCU) -> 16-bit MCU -> PIC24F family -> nanoWatt XLP ultra-low-power series -> semiconductor. The PIC24F08KM102 specifically targets cost-sensitive, low-pin-count designs in the 8 to 28-pin range, sitting below PIC24EP and dsPIC33 performance families.
Key features include nanoWatt eXtreme Low Power (XLP) technology for battery-friendly operation, multiple Capture/Compare/PWM (MCCP/SCCP) modules for motor and lighting control, a 12-bit ADC with multiple channels, Configurable Logic Cells (CLC) that allow hardware logic to be implemented without external gates, and a Real-Time Clock and Calendar (RTCC) module. The peripheral set is broader than the earlier PIC24F08KA family and adds CLC and comparator enhancements, allowing designers to replace external analog/digital glue with on-chip functionality.
Typical applications include consumer electronics, low-power wireless sensor nodes, LED lighting control, small appliance motor control, and human-interface panels. The wide SOIC footprint makes hand-prototyping and rework straightforward, while the XLP feature set is well suited to battery-powered IoT and wearable products.
When designing with this device, ensure the supply voltage matches the PIC24F (not PIC24FV) range of 1.8V-3.6V for core operation and verify the ADC reference configuration before sampling low-impedance sensors. Programming via ICSP requires dedicated PGECx/PGEDx pins; reserve these in the pinout early to avoid rework.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC24F08KM102T-I/SO — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC24F08KM102T-I/SO (same form factor and footprint) — differing in Package, Operating Temperature, ADC, Low-Power Technology, Maximum CPU Speed.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24F08KM102-I/SO
✅ Drop-In✓ In Stock
$1.55 / Unit
View Datasheet →PIC24F08KM102-E/SO
✅ Drop-In✓ In Stock
$1.98 / Unit
View Datasheet →PIC24F08KA102T-I/SO
✅ Drop-In✓ In Stock
$1.94 / Unit
View Datasheet →PIC24FV08KM102T-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24F08KA102T-I/SS
✅ Drop-In✓ In Stock
$2.25 / Unit
View Datasheet →PIC24F08KM102T-I/SO Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit PIC24F |
| CPU Frequency (max) | 32 MHz |
| Program Memory (FLASH) | 8 KB (2.75K x 24) |
| RAM | 1 KB |
| EEPROM | 512 B |
| Operating Voltage | 1.8 V to 3.6 V |
| Operating Temperature | -40 C to +85 C (Industrial) |
| Package | 28-pin SOIC (wide, 7.50 mm body) |
| ADC | 12-bit |
| Comparators | Yes |
| CLC (Configurable Logic Cells) | Yes |
| MCCP/SCCP Modules | Yes |
| Communication Interfaces | I2C, SPI, UART, LIN, IrDA |
| RTCC (Real-Time Clock) | Yes |
| Low-Power Technology | nanoWatt XLP |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC24F08KM102T-I/SO Pin Configuration
| Pin 1 | MCLR — Master Clear (reset) input, active low |
| Pin 2 | RA0 — Port A bit 0 / analog input |
| Pin 3 | RA1 — Port A bit 1 / analog input |
| Pin 4 | RB0 — Port B bit 0 / PGED1 programming data |
| Pin 5 | RB1 — Port B bit 1 / PGEC1 programming clock |
| Pin 6 | RB2 — Port B bit 2 |
| Pin 7 | RB3 — Port B bit 3 |
| Pin 8 | VSS — Ground reference |
| Pin 9 | OSCI — Crystal oscillator input |
| Pin 10 | OSCO — Crystal oscillator output |
| Pin 11 | RB4 — Port B bit 4 |
| Pin 12 | RB5 — Port B bit 5 |
| Pin 13 | RB6 — Port B bit 6 |
| Pin 14 | RB7 — Port B bit 7 |
| Pin 15 | VDD — Positive supply (3.3V typical) |
| Pin 16 | RA2 — Port A bit 2 |
| Pin 17 | RA3 — Port A bit 3 |
| Pin 18 | RA4 — Port A bit 4 |
| Pin 19 | RA5 — Port A bit 5 |
| Pin 20 | RA6 — Port A bit 6 |
| Pin 21 | RC0 — Port C bit 0 |
| Pin 22 | RC1 — Port C bit 1 |
| Pin 23 | RC2 — Port C bit 2 |
| Pin 24 | RC3 — Port C bit 3 |
| Pin 25 | RC4 — Port C bit 4 |
| Pin 26 | RC5 — Port C bit 5 |
| Pin 27 | RC6 — Port C bit 6 |
| Pin 28 | RC7 — Port C bit 7 |
Typical Applications
PIC24F08KM102T-I/SO is suitable for 6 applications: Battery-Powered IoT Sensor Nodes, LED Lighting and Backlight Control, Small Appliance Motor Control, Consumer Electronics User Interface Panels, Industrial LIN-bus Sensor Modules, Wearable Health and Fitness Devices.
Battery-Powered IoT Sensor Nodes
The PIC24F08KM102T-I/SO is well suited to battery-powered IoT sensor nodes thanks to its nanoWatt XLP deep-sleep currents in the microamp range and integrated 12-bit ADC for direct sensor interfacing. With 8KB of FLASH and 1KB of RAM, the device fits typical sensor-fusion and edge-processing workloads. The RTCC module enables calendar-based wake events from a 32kHz crystal, allowing years of operation from a single CR2032 coin cell when paired with a 3.3V LDO such as the MCP1700. CLC peripherals allow glue logic like wake-up pulse generation without external gates.
Recommended
LED Lighting and Backlight Control
The PIC24F08KM102T-I/SO drives LED lighting and backlight systems via its multiple Capture/Compare/PWM (MCCP/SCCP) modules, which provide hardware PWM generation independent of CPU load. With 32MHz operation and 16-bit timer resolution, the device produces flicker-free PWM dimming at audio frequencies. The 12-bit ADC samples ambient light sensors for closed-loop brightness control, while CLC modules generate timing-critical blanking signals. Its 1.8V-3.6V supply matches typical LED driver rails, simplifying power architecture.
Recommended
Small Appliance Motor Control
The PIC24F08KM102T-I/SO serves small appliance applications including fans, pumps, and low-voltage brushless DC motors, leveraging its MCCP/SCCP modules for complementary PWM generation and the 12-bit ADC for back-EMF sensing. The 32MHz core executes field-oriented control loops with adequate headroom, while the 1KB RAM supports typical PI controller state plus communication stacks. CLC peripherals combine sensor inputs for hardware commutation triggering, reducing CPU interrupt load. The 28-SOIC wide package simplifies hand-prototyping for low-volume appliance designs.
Recommended
Consumer Electronics User Interface Panels
The PIC24F08KM102T-I/SO powers consumer user-interface panels with capacitive touch sensing, segment LCD driving, and rotary encoder inputs, all while drawing minimal quiescent current thanks to nanoWatt XLP technology. With 8KB FLASH and 1KB RAM, the device fits typical button-matrix and menu-state firmware. UART/I2C peripherals connect to host SoCs, while the 12-bit ADC reads analog controls. CLC modules debounce switch inputs in hardware, freeing CPU cycles for UX logic.
Recommended
Industrial LIN-bus Sensor Modules
The PIC24F08KM102T-I/SO integrates seamlessly into industrial LIN-bus sensor modules thanks to its hardware LIN-capable UART and robust -40C to +85C industrial temperature range. With 512 bytes of on-chip EEPROM, the device stores calibration constants and LIN node configuration directly, eliminating external memory. The 12-bit ADC delivers accurate sensor readings, and CLC peripherals generate timing-critical LIN wake pulses. The 28-SOIC wide package supports hand-soldering for prototype builds before committing to reflow.
Recommended
Wearable Health and Fitness Devices
The PIC24F08KM102T-I/SO targets wearable health and fitness devices where its nanoWatt XLP technology extends battery life and the 12-bit ADC reads photoplethysmography (PPG) and temperature sensors. With 8KB FLASH, the device fits typical wearable firmware stacks including step counting and Bluetooth Low Energy command handling. The 1KB RAM supports sensor buffers, while CLC peripherals combine hardware-triggered sampling windows. Its compact 28-SOIC footprint suits space-constrained wearable PCBs.
Recommended
Recommended Products Summary
Engineering reference data for PIC24F08KM102T-I/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24F08KM102-I/SO | PIC24F08KM102-E/SO | PIC24F08KA102T-I/SO | PIC24FV08KM102T-I/SO | PIC24F08KA102T-I/SS |
|---|---|---|---|---|---|---|
| Package | 28-SOIC | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SOIC - same | 28-SSOP - smaller footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| FLASH Memory | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| RAM | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB | 1 KB |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 2.0 V to 5.5 V | 1.8 V to 3.6 V |
| Temperature Range | -40 C to +85 C (Industrial) | -40 C to +85 C | -40 C to +125 C (Extended) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| CLC (Configurable Logic Cells) | Yes | Yes | Yes | No | Yes | No |
| EEPROM | 512 B | 512 B | 512 B | 512 B | 512 B | 512 B |
Key Differentiators
- On-chip Configurable Logic Cells (CLC) reduce external glue logic (vs PIC24F08KA102T-I/SO)
- Industrial -40C to +85C temperature range with 32MHz operation (vs PIC24F08KL201T-I/SO)
- 5V-tolerant variant available with identical footprint (vs PIC24FV08KM102T-I/SO)
Design Notes
The PIC24F08KM102T-I/SO operates from 1.8V to 3.6V and includes nanoWatt XLP technology with multiple low-power modes. For battery applications, use a low-Iq LDO such as Microchip MCP1700 (1.6uA quiescent) to maximize runtime. Place a 100nF decoupling capacitor as close as possible to each VDD pin and a 10uF bulk capacitor on the supply rail. The RTCC can run from a 32.768kHz crystal during deep sleep, allowing years of operation from a coin cell.
Reserve the ICSP pins (PGEC1/PGED1, typically RB1/RB0 on 28-pin SOIC) for in-circuit programming; do not assign them to other functions without considering programming access. Keep the crystal traces short and symmetric, with a ground guard ring around the oscillator area to reduce EMI. Place a 1M ohm pull-up on MCLR and avoid long traces that pick up noise. Use wide ground pours under the device to improve thermal and EMI performance.
Do not confuse the PIC24F (1.8V-3.6V) with the PIC24FV (2.0V-5.5V) variants - applying 5V to a PIC24F device will damage it. Verify the device marking and datasheet before PCB bring-up. Ensure ADC reference voltage (AVDD) is stable and decoupled; noisy references corrupt ADC readings. When migrating from PIC24F08KA102 to KM102, leverage the new CLC and RTCC features but verify peripheral register maps differ in some areas. Always check configuration bits in code to enable the appropriate oscillator and watchdog settings.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - this is an industrial-grade MCU. For automotive applications, choose AEC-Q100 qualified parts from Microchip's automotive PIC24 portfolio.
