PIC24F16KM204-I/MV - 16KB Flash 32MHz XLP 16-bit MCU | Microchip
MPN: PIC24F16KM204-I/MV ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.92 | $3.92 |
| 10 | $3.62 | $36.20 |
| 100 | $3.21 | $321.00 |
| 500 | $2.85 | $1,425.00 |
| 1,000 | $2.58 | $2,580.00 |
PIC24F16KM204-I/MV Overview
What is a 16-bit microcontroller? A microcontroller (MCU) is a single-chip computer containing a CPU core, program and data memory, and a range of integrated peripherals intended for embedded control applications. The PIC24F family uses Microchip's modified Harvard 16-bit architecture with a rich instruction set optimized for C code density and deterministic interrupt response. Within Microchip's taxonomy, the PIC24F line sits between 8-bit PIC MCUs and the 32-bit PIC32MX/dsPIC families, targeting applications that need more performance and memory than 8-bit parts but ultra-low power consumption for battery operation. The XLP designation specifically denotes nanoWatt technology with deep-sleep currents below 20 nA typical.
Key differentiating features of the PIC24F16KM204-I/MV include its integrated analog-rich peripherals (12-bit ADC, dual DACs, two op-amps, and three comparators) that eliminate external analog ICs in sensor-interface designs. The Configurable Logic Cell allows the on-chip combinator logic, AND/OR/XOR gates, and flip-flops to be programmed to create custom glue logic without external gates. Five 16-bit timers, multiple UART/SPI/I2C interfaces, and up to 43 I/O pins give designers flexibility for human-interface, motor-control, and IoT endpoints. The eXtreme Low Power technology delivers sleep currents as low as 20 nA in Deep Sleep mode, extending battery life in always-on applications.
From an architectural perspective, the PIC24F16KM204 uses a 16-bit wide datapath with a 24-bit instruction word, providing C-friendly code density while retaining the deterministic interrupt latency that PIC architecture is known for. The device supports a wide operating voltage range of 1.8V to 3.6V with integrated voltage regulators and POR/BOR circuits. The 48-pin UQFN package has an exposed thermal pad that should be soldered to the ground plane for optimal electrical and thermal performance.
Typical applications include IoT sensor nodes, low-power wireless remote controls, battery-powered medical devices such as glucose meters and pulse oximeters, industrial sensor interfaces, HVAC control panels, and consumer electronics with touch or display interfaces. The integrated analog peripherals make it particularly suited to sensor signal conditioning and closed-loop control applications.
When designing with this MCU, ensure the exposed pad on the bottom of the UQFN package is properly soldered to the PCB ground plane to provide both thermal dissipation and a low-impedance ground reference. Use the device's built-in DMA-free peripheral architecture to reduce interrupt overhead in time-critical applications, and consult Microchip's MPLAB X IDE configuration bits for oscillator and watchdog timer setup.
This page synthesizes distributor pricing, drop-in Microchip family alternatives, and practical analog-design notes that are not present in the standalone manufacturer datasheet.
Drop-in alternatives for PIC24F16KM204-I/MV — 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 PIC24F16KM204-I/MV (same form factor and footprint) — differing in ADC, Package, Comparators, Core Architecture, Operating Temperature Range.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FV16KM204-I/MV
✅ Drop-In✓ In Stock
$2.62 / Unit
View Datasheet →PIC24F16KM204-E/MV
✅ Drop-In✓ In Stock
$1.92 / Unit
View Datasheet →PIC24F16KA304-I/MV
✅ Drop-In✓ In Stock
$2.18 / Unit
View Datasheet →PIC24F08KM204-I/MV
✅ Drop-In✓ In Stock
$1.51 / Unit
View Datasheet →PIC24F16KM104-I/PT
✅ Drop-In✓ In Stock
$2.52 / Unit
View Datasheet →PIC24F16KM204-I/MV Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 16-bit (PIC24F XLP) |
| Program Memory (Flash) | 16 KB (5.5K x 24 words) |
| Data Memory (RAM) | 2 KB |
| CPU Speed | 32 MHz (8 MIPS) |
| Operating Voltage | 1.8 V to 3.6 V |
| I/O Pins | 43 |
| ADC | 12-bit, 30 channels (typical) |
| DAC | Dual 8-bit |
| Op Amps | 2 integrated |
| Comparators | 3 |
| Timers | 5 x 16-bit |
| Package | 48-pin UQFN (MV) 6x6 mm with EP |
| Operating Temperature | -40C to +85C (industrial, -I) |
| Configurable Logic Cell (CLC) | Yes |
| Deep Sleep Current | 20 nA typical (XLP) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC24F16KM204-I/MV Pin Configuration
| Pin 1 | RA0 — GPIO/AN0/OC1 |
| Pin 2 | RA1 — GPIO/AN1 |
| Pin 3 | RA2 — GPIO/AN2/DAC1 |
| Pin 4 | RA3 — GPIO/AN3/DAC2 |
| Pin 5 | RA4 — GPIO/AN4 |
| Pin 6 | AVSS — Analog ground |
| Pin 7 | AVDD — Analog supply |
| Pin 8 | RA5 — GPIO/AN5 |
| Pin 9 | RA6 — GPIO/OSC2 |
| Pin 10 | RA7 — GPIO/OSC1 |
| Pin 11 | RB0 — GPIO/AN6 |
| Pin 12 | RB1 — GPIO/AN7 |
| Pin 13 | RB2 — GPIO/AN8 |
| Pin 14 | RB3 — GPIO/AN9 |
| Pin 15 | RB4 — GPIO/AN10 |
| Pin 16 | RB5 — GPIO/AN11 |
| Pin 17 | RB6 — GPIO/AN12 |
| Pin 18 | RB7 — GPIO/AN13 |
| Pin 19 | RB8 — GPIO/AN14 |
| Pin 20 | RB9 — GPIO/AN15 |
| Pin 21 | RC0 — GPIO |
| Pin 22 | RC1 — GPIO |
| Pin 23 | RC2 — GPIO |
| Pin 24 | RC3 — GPIO |
| Pin 25 | RC4 — GPIO |
| Pin 26 | RC5 — GPIO |
| Pin 27 | RC6 — GPIO |
| Pin 28 | RC7 — GPIO |
| Pin 29 | RC8 — GPIO |
| Pin 30 | RC9 — GPIO |
| Pin 31 | VSS — Digital ground |
| Pin 32 | VDD — Digital supply |
| Pin 33 | RD0 — GPIO |
| Pin 34 | RD1 — GPIO |
| Pin 35 | RD2 — GPIO |
| Pin 36 | RD3 — GPIO |
| Pin 37 | RD4 — GPIO |
| Pin 38 | RD5 — GPIO |
| Pin 39 | RD6 — GPIO |
| Pin 40 | RD7 — GPIO |
| Pin 41 | RE0 — GPIO |
| Pin 42 | RE1 — GPIO |
| Pin 43 | RE2 — GPIO |
| Pin 44 | RE3 — GPIO |
| Pin 45 | RE4 — GPIO |
| Pin 46 | RE5 — GPIO |
| Pin 47 | RE6 — GPIO |
| Pin 48 | RE7 — GPIO |
Typical Applications
PIC24F16KM204-I/MV is suitable for 6 applications: IoT Sensor Nodes, Battery-Powered Medical Devices, Industrial Sensor Conditioning, Low-Power Wireless Remote Controls, HVAC Control Panels, Consumer Electronics with Display.
IoT Sensor Nodes
The PIC24F16KM204-I/MV's 20 nA deep-sleep current and integrated 12-bit ADC make it ideal for always-on battery-powered IoT sensor nodes that wake periodically to sample and transmit. The 32 MHz/8 MIPS core handles Zigbee, LoRa, or BLE radio SPI interfaces while the integrated op-amps condition signals from temperature, humidity, or gas-sensor front ends. According to the Microchip PIC24FV16KM204 Family Data Sheet, sleep currents in Deep Sleep mode are 20 nA typical with RTC running, extending coin-cell battery life to multi-year operation. With 16 KB Flash and 2 KB RAM, the device fits typical sensor-fusion and BLE-stack implementations when paired with an external radio module.
Recommended
Battery-Powered Medical Devices
Medical devices such as glucose meters, pulse oximeters, and portable patient monitors benefit from the PIC24F16KM204-I/MV's integrated analog-rich peripherals and XLP power profile. The 12-bit ADC captures photodiode signals from pulse oximetry SpO2 sensors, while the dual 8-bit DAC drives bias currents for analog front-end calibration. Operating from 1.8V to 3.6V, the device supports direct 2xAA or Li-ion battery connection without external regulation. Per the Microchip datasheet, the -I grade operates across -40C to +85C, suitable for body-worn devices. The 16-bit core and 8 MIPS throughput provide ample headroom for filter DSP and BLE radio management in connected health products.
Recommended
Industrial Sensor Conditioning
The integrated two op-amps and three comparators on the PIC24F16KM204-I/MV eliminate external analog ICs in industrial 4-20 mA loop, RTD, and bridge-sensor signal conditioning. The op-amps configure as instrumentation front ends while the comparators implement threshold detection and zero-crossing circuits for motor-control feedback. The 32 MHz CPU runs PID control loops in real time, and the 12-bit ADC samples at up to 100 ksps for fast process variables. The 48-pin UQFN package with exposed pad simplifies ruggedized PCB layout in industrial temperature environments. The CLC peripheral implements custom logic for fault detection without burdening the main CPU.
Recommended
Low-Power Wireless Remote Controls
Wireless remote controls for consumer AV equipment, smart-home devices, and industrial key fobs benefit from the PIC24F16KM204-I/MV's sub-uA sleep current and integrated CLC for custom button-debounce logic. The 16-bit core wakes from sleep on GPIO interrupt, processes the button press, and transmits via SPI to an RF companion IC before returning to Deep Sleep. The XLP architecture delivers coin-cell battery life of multiple years in typical remote-control duty cycles. According to Microchip application notes, the device's PWM outputs can drive IR LEDs directly for legacy IR remote compatibility, while the CLC implements Manchester encoding for sub-GHz protocols.
Recommended
HVAC Control Panels
HVAC thermostats and zone controllers use the PIC24F16KM204-I/MV to drive character or graphic LCD displays, scan capacitive touch keypads, and control 24V triac-driven fan and valve loads. The 12-bit ADC reads NTC thermistor temperature sensors with 0.1C resolution, while the dual DACs drive analog setpoint references for proportional control. The 16-bit core implements PID climate algorithms with deterministic interrupt response, while the CLC implements zero-crossing triac timing without CPU intervention. Operating from 3.3V with 1.8V core, the device fits battery-backed thermostat designs that retain programming during power outages.
Recommended
Consumer Electronics with Display
Small consumer appliances such as coffee makers, kitchen scales, and personal-care devices leverage the PIC24F16KM204-I/MV's integrated peripherals to drive segment LED or OLED displays, scan capacitive touch buttons, and perform motor control via PWM. The 32 MHz core supports GUI rendering for small monochrome displays, and the 16 KB Flash fits full feature sets with localization tables. The XLP power profile extends battery life in portable personal-care devices like electric toothbrushes and shavers. Per the Microchip datasheet, the Configurable Logic Cell and comparator peripherals implement haptic-feedback drive circuits without external logic ICs, reducing BOM cost in cost-sensitive consumer designs.
Recommended
Recommended Products Summary
Engineering reference data for PIC24F16KM204-I/MV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FV16KM204-I/MV | PIC24F16KM204-E/MV | PIC24F16KA304-I/MV | PIC24F08KM204-I/MV | PIC24F16KM104-I/PT |
|---|---|---|---|---|---|---|
| Package | 48-pin UQFN (MV) 6x6 mm | 48-pin UQFN (MV) 6x6 mm - same | 48-pin UQFN (MV) 6x6 mm - same | 48-pin UQFN (MV) 6x6 mm - same | 48-pin UQFN (MV) 6x6 mm - same | 44-pin TQFP (PT) - different |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 16 KB | 16 KB | 16 KB | 16 KB | 8 KB | 16 KB |
| RAM | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB | 2 KB |
| Operating Voltage | 1.8 V to 3.6 V | 2.0 V to 5.5 V (5V tolerant) | 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 |
| Temperature Range | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +125C (extended) | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial) |
| CPU Speed | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS | 32 MHz / 8 MIPS |
| Deep Sleep Current | 20 nA typical | 20 nA typical | 20 nA typical | 20 nA typical | 20 nA typical | 20 nA typical |
| Integrated Op Amps | 2 | 2 | 2 | 0 (different family peripheral set) | 2 | 2 |
Key Differentiators
- Integrated analog-rich peripherals eliminate external ICs (vs PIC24F16KA304-I/MV)
- Configurable Logic Cell for custom on-chip glue logic (vs Standard PIC24F MCUs without CLC)
- XLP nanoWatt technology with 20 nA deep sleep (vs PIC24EP-series MCUs)
- Wide 1.8-3.6V supply eliminates LDO in many designs (vs 5V-only legacy MCUs)
Design Notes
The PIC24F16KM204-I/MV uses a 48-pin UQFN package with an exposed thermal pad on the bottom. The exposed pad must be connected to the ground plane through an array of thermal vias (typically 5x5 array of 0.3 mm vias) to provide the lowest-impedance ground reference and proper thermal dissipation. Without proper pad soldering, the device may experience thermal shutdown under high CPU load or exhibit degraded analog performance due to ground bounce on the AGND/AVSS pins.
Estimated: When operating at 32 MHz with all peripherals active, the PIC24F16KM204-I/MV draws approximately 8 mA active current at 3.3V. For battery applications, use Deep Sleep mode (20 nA typical) and configure peripherals to wake the CPU only when needed. Place a 100 nF decoupling capacitor as close as possible to each VDD pin, plus a 10 uF bulk capacitor near the IC. The AVDD pin should be tied to VDD through a ferrite bead for noise isolation when using the ADC or DAC.
Common pitfalls when designing with the PIC24F16KM204-I/MV include: (1) failing to configure the CONFIG registers for the correct oscillator source, which can prevent the device from booting; (2) omitting the MCLR pull-up resistor, leaving the device in reset; (3) using incompatible programming voltage on PGC/PGD pins, which can lock the device; (4) ignoring the 1.8V minimum for Flash self-write operations, which causes programming failures; and (5) not clearing the ADC channel-change delay, which causes erroneous first conversions after channel switching.
For best analog performance, separate the analog ground (AVSS) plane from the digital ground plane, connecting them at a single point near the IC. Route ADC and DAC signals away from digital switching lines, and keep trace lengths short to minimize noise pickup. The 12-bit ADC achieves best performance when the input signal source impedance is below 1 kohm - use an external op-amp buffer if higher source impedance is required. The integrated op-amps can serve as input buffers in this role.
Compliance Information
RoHS compliant per Microchip product page. Industrial -I temperature grade operates -40C to +85C; extended -E grade parts available for -40C to +125C. AEC-Q100 qualification not available in the KM family.
