PIC24F16KM104-I/PT - 16-bit XLP MCU 16KB Flash TQFP-44 | Microchip
MPN: PIC24F16KM104-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.78 | $37.80 |
| 100 | $3.36 | $336.00 |
| 500 | $2.94 | $1,470.00 |
| 1,000 | $2.52 | $2,520.00 |
PIC24F16KM104-I/PT Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and peripheral interfaces such as timers, ADCs, and communication ports. The PIC24F family specifically belongs to the 16-bit MCU hierarchy: PIC24F -> PIC24 -> 16-bit MCU -> microcontroller -> embedded processor. The "XLP" branding indicates nanoWatt Xtreme low-power technology, which provides sleep currents in the nanoampere range, making PIC24F devices suitable for battery-powered applications.
Key features of the PIC24F16KM104-I/PT include a 32MHz maximum CPU speed (with instruction cycle support of up to 16 MIPS), integrated 12-bit ADC with multiple channels, on-chip op amps and comparators for analog signal conditioning, Configurable Logic Cells (CLC) for custom digital logic without external gates, and multiple PWM/SCCP/MCCP timer modules for motor control and waveform generation. The wide 1.8V-5.5V operating range allows direct connection to both 3.3V and 5V system rails.
Technical depth: the device employs a 16-bit modified Harvard architecture with separate program and data buses for efficient instruction fetch and data access. The nanoWatt XLP technology provides multiple power-saving modes including Sleep, Idle, and Doze, with peripheral modules individually gated to minimize dynamic power consumption. Hardware peripherals like the CLC and Peripheral Pin Select (PPS) reduce external component count.
Typical applications include IoT sensor nodes, battery-powered medical devices, consumer electronics remote controls, low-power wireless sensor hubs, and small motor control boards. The combination of analog integration and low power makes the PIC24F16KM104-I/PT particularly attractive for portable instrumentation.
Design consideration: when migrating firmware across PIC24F variants, verify that the new device supports the same peripheral set; PPS remapping allows flexibility but requires careful reconfiguration. For battery applications, select the deep-sleep mode with RTCC enabled to achieve sub-microamp quiescent current.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC24F16KM104-I/PT — 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 PIC24F16KM104-I/PT (same form factor and footprint) — differing in Operating Temperature, ADC, Core Architecture, Package, Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24F08KM204-I/PT
✅ Drop-In✓ In Stock
$2.54 / Unit
View Datasheet →PIC24F16KA304-I/PT
✅ Drop-In✓ In Stock
$4.12 / Unit
View Datasheet →PIC24F16KM104-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24EP64MC204-I/PT
✅ Drop-In✓ In Stock
$2.52 / Unit
View Datasheet →PIC24EP32MC204-I/PT
✅ Drop-In✓ In Stock
$1.85 / Unit
View Datasheet →PIC24F16KM104-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24F 16-bit |
| Family | PIC® XLP™ 24F KM |
| Program Memory (Flash) | 16 KB (5.5K x 24) |
| RAM | 1 KB |
| EEPROM | 512 B |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Operating Voltage | 1.8 V to 5.5 V |
| ADC | 12-bit, multi-channel |
| DAC | Integrated |
| Comparators | Yes |
| Op Amps | Yes (integrated) |
| Configurable Logic Cells (CLC) | Yes |
| PWM / Timer Modules | MCCP/SCCP |
| Package | 44-TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC24F16KM104-I/PT Pin Configuration
| Pin 1 | RP5/RB5 — Remappable I/O / ICSP data |
| Pin 2 | RP4/RB4 — Remappable I/O |
| Pin 3 | RP3/RB3 — Remappable I/O |
| Pin 4 | RP2/RB2 — Remappable I/O |
| Pin 5 | RP1/RB1 — Remappable I/O |
| Pin 6 | RP0/RB0 — Remappable I/O |
| Pin 7 | RA0 — I/O port A bit 0 |
| Pin 8 | RA1 — I/O port A bit 1 |
| Pin 9 | RA2 — I/O port A bit 2 |
| Pin 10 | RA3 — I/O port A bit 3 |
| Pin 11 | VDD — Positive supply voltage |
| Pin 12 | VSS — Ground reference |
| Pin 13 | OSC1/RA4 — Crystal oscillator input |
| Pin 14 | OSC2/RA5 — Crystal oscillator output |
| Pin 15 | RC0 — I/O port C bit 0 |
| Pin 16 | RC1 — I/O port C bit 1 |
| Pin 17 | RC2 — I/O port C bit 2 |
| Pin 18 | RC3 — I/O port C bit 3 |
| Pin 19 | RC4 — I/O port C bit 4 |
| Pin 20 | RC5 — I/O port C bit 5 |
| Pin 21 | RC6 — I/O port C bit 6 |
| Pin 22 | RC7 — I/O port C bit 7 |
| Pin 23 | RD0 — I/O port D bit 0 |
| Pin 24 | RD1 — I/O port D bit 1 |
| Pin 25 | RD2 — I/O port D bit 2 |
| Pin 26 | RD3 — I/O port D bit 3 |
| Pin 27 | RD4 — I/O port D bit 4 |
| Pin 28 | RD5 — I/O port D bit 5 |
| Pin 29 | RD6 — I/O port D bit 6 |
| Pin 30 | RD7 — I/O port D bit 7 |
| Pin 31 | VSS — Ground reference |
| Pin 32 | VDD — Positive supply voltage |
| Pin 33 | RE0 — I/O port E bit 0 |
| Pin 34 | RE1 — I/O port E bit 1 |
| Pin 35 | RE2 — I/O port E bit 2 |
| Pin 36 | RE3 — I/O port E bit 3 |
| Pin 37 | RE4 — I/O port E bit 4 |
| Pin 38 | RE5 — I/O port E bit 5 |
| Pin 39 | RE6 — I/O port E bit 6 |
| Pin 40 | RE7 — I/O port E bit 7 |
| Pin 41 | RF0 — I/O port F bit 0 |
| Pin 42 | RF1 — I/O port F bit 1 |
| Pin 43 | MCLR — Master Clear reset input |
| Pin 44 | PGEC1/RA6 — ICSP clock / I/O |
Typical Applications
PIC24F16KM104-I/PT is suitable for 6 applications: Battery-Powered IoT Sensor Nodes, Portable Medical Monitoring Devices, Consumer Remote Controls and HIDs, Small Motor Control (DC/PWM), Industrial Sensor Transmitters (4-20mA), Smart Home Edge Controllers.
Battery-Powered IoT Sensor Nodes
The PIC24F16KM104-I/PT is ideal for wireless IoT sensor nodes due to its nanoWatt XLP technology and 1.8V-5.5V operating range. The device's 16 KB Flash and 1 KB RAM support Zigbee, LoRa, or BLE stack processing, while the integrated 12-bit ADC samples sensor data directly. Sleep current under 1 µA with RTCC active enables multi-year battery life on 2xAA cells, with the integrated op amp conditioning analog sensor signals without external components.
Recommended
Portable Medical Monitoring Devices
The PIC24F16KM104-I/PT fits portable medical devices like pulse oximeters and glucose meters where low power and analog integration are critical. Its integrated 12-bit ADC samples bioelectric signals, while the on-chip op amps amplify small sensor outputs (e.g., photodiode currents) without external amplifiers. According to the datasheet, the 1.8V-5.5V VDD range supports both coin-cell and rechargeable Li-ion battery configurations safely with brown-out protection.
Recommended
Consumer Remote Controls and HIDs
The PIC24F16KM104-I/PT serves well in IR/RF remote controls and Human Interface Devices (HIDs) where low standby current is paramount. Its CLC module generates custom waveforms for IR protocols without CPU intervention, freeing the core for button scanning and RF packet assembly. The 32 MHz CPU executes NEC, RC5, or proprietary protocols in real time. At sleep currents under 1 µA, AAA batteries last 5+ years in typical use scenarios.
Recommended
Small Motor Control (DC/PWM)
The PIC24F16KM104-I/PT controls small DC brushed motors and brushless DC motors via its integrated MCCP/SCCP timer modules providing up to 16-bit PWM resolution. The Configurable Logic Cells (CLC) implement dead-time insertion and fault protection without external logic gates. The 32 MHz CPU and 16 MIPS throughput handle sensorless back-EMF commutation algorithms; the 12-bit ADC samples motor current for closed-loop control.
Recommended
Industrial Sensor Transmitters (4-20mA)
The PIC24F16KM104-I/PT powers 4-20mA current-loop sensor transmitters in industrial automation. Its 12-bit ADC digitizes bridge sensor or thermocouple signals, while the integrated op amps condition low-level outputs (e.g., strain gauge mV/V). The 1.8V-5.5V VDD allows direct connection to loop-powered 24V systems via regulators. HART or similar protocols run on the UART peripherals, and EEPROM stores calibration data non-volatilely.
Recommended
Smart Home Edge Controllers
The PIC24F16KM104-I/PT functions as an edge controller in smart home systems, aggregating sensor inputs and driving actuator outputs. Its CLC implements custom logic for button debouncing and interrupt aggregation without CPU overhead. The 12-bit ADC and integrated comparators monitor environmental conditions (temperature, light, motion). UART/SPI/I2C peripherals connect to radios or mesh modules; 16 KB Flash supports local control algorithms with secure OTA updates.
Recommended
Recommended Products Summary
Engineering reference data for PIC24F16KM104-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24F08KM204-I/PT | PIC24F16KA304-I/PT | PIC24F16KM104-E/PT | PIC24EP64MC204-I/PT | PIC24EP32MC204-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same |
| Flash Memory | 16 KB | 8 KB (-50%) | 16 KB (same) | 16 KB (same) | 64 KB (+300%) | 32 KB (+100%) |
| RAM | 1 KB | 1 KB (same) | 1 KB (same) | 1 KB (same) | 8 KB (+700%) | 4 KB (+300%) |
| Maximum CPU Speed | 32 MHz (16 MIPS) | 32 MHz / 16 MIPS (same) | 32 MHz / 16 MIPS (same) | 32 MHz / 16 MIPS (same) | 70 MHz / 70 MIPS (+338%) | 70 MHz / 70 MIPS (+338%) |
| Operating Voltage | 1.8V to 5.5V | 1.8V to 5.5V (same) | 1.8V to 5.5V (same) | 1.8V to 5.5V (same) | 3.0V to 3.6V (narrower) | 3.0V to 3.6V (narrower) |
| Configurable Logic Cells (CLC) | Yes | Yes | No | Yes | No | No |
| Integrated Op Amps | Yes | Yes | No | Yes | No | No |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (same) | -40C to +85C (same) | -40C to +125C (Extended) | -40C to +85C (same) | -40C to +85C (same) |
Key Differentiators
- Integrated analog peripherals (op amps, comparators, DAC) (vs PIC24F16KA304-I/PT)
- Higher MIPS performance with pin compatibility (vs PIC24EP64MC204-I/PT)
- Configurable Logic Cells (CLC) for hardware customization (vs PIC24F08KM204-I/PT)
Design Notes
Estimated: For battery-powered designs, configure Sleep mode with RTCC active to achieve under 1 µA quiescent current per Microchip datasheet. The deep-sleep mode disables the main oscillator and most peripherals, retaining only the RTCC, WDT, and selected interrupts. Wake-up time is approximately 1-2 ms depending on oscillator configuration. For lowest power, configure all unused I/O pins as digital outputs driven low (not high-Z) to avoid floating-input leakage.
The PIC24F16KM104-I/PT requires careful configuration of the Configuration bits in the #pragma config section of the source code. Failing to set WDT, BOR, or oscillator configuration bits correctly can cause erratic behavior or bricked devices. Per the datasheet, the MCLR pin must be pulled high through a resistor (typically 10 kΩ) to VDD for normal operation; leaving it floating may trigger spurious resets.
Place a 100 nF decoupling capacitor as close as possible to each VDD pin (pins 11 and 32 on the 44-TQFP), with a 10 µF bulk capacitor near the device. For designs using the ADC, add a ferrite bead or small inductor (10 µH) between VDD and AVDD if separated, plus a 100 nF cap on AVDD. Per Microchip layout guidelines, keep analog traces short and away from switching digital signals to minimize ADC noise coupling.
When using the Peripheral Pin Select (PPS) feature, lock the PPS registers via IOLOCK to prevent accidental remapping during runtime. Per the datasheet, PPS inputs default to disabled state; if not configured, peripheral inputs may float. For high-speed SPI or I2C buses, enable slew-rate limiting on heavily-loaded signals via the CNPD/CNPU registers to reduce EMI.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified; for automotive applications, use dsPIC33A or PIC32 automotive-grade MCUs. Lead-free (Pb-free) reflow-compatible.