STM32F103C8T6 ARM Cortex-M3 Microcontroller
The STM32F103C8T6 is a 32-bit microcontroller based on the ARM Cortex-M3 core, featuring 64KB Flash memory, multiple timers, and communication interfaces like UART, SPI, and I2C. It falls under HTS 8542.31.00.25 as a 32-bit controller designed for embedded applications in consumer electronics, industrial controls, and IoT devices.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If designed primarily as a digital signal processor (DSP)
DSPs with dedicated signal processing functions fall under 8542.32 regardless of bit architecture.
If classified as other amplifiers or logic circuits without controller function
ICs lacking primary processor/controller role go to residual 8542.39 subheading.
If imported as bare die without packaging
Unpackaged semiconductor dice are classified under 8543.90 as processed but unmounted chips.
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Import Tips & Compliance
• Ensure chips meet RoHS and REACH standards with proper material declarations
• Classify based on bit width specified in datasheet; 32-bit cores like Cortex-M3 qualify
• Avoid misclassification as general ICs (8542.39); provide technical specs to CBP
Related Products under HTS 8542.31.00.25
ESP32-WROOM-32 WiFi Bluetooth Microcontroller Module
The ESP32-WROOM-32 is a 32-bit dual-core Xtensa LX6 microcontroller with integrated WiFi and Bluetooth, 520KB SRAM, and GPIO pins for IoT applications. Classified under HTS 8542.31.00.25 due to its 32-bit controller architecture with wireless connectivity capabilities.
PIC32MX695F512L 32-bit MIPS Microcontroller
Microchip's PIC32MX695F512L is a 32-bit MIPS M4K core microcontroller with 512KB Flash, Ethernet MAC, USB OTG, and CAN interfaces for networking applications. It qualifies for HTS 8542.31.00.25 as a 32-bit controller with extensive peripheral integration.
Raspberry Pi RP2040 32-bit Dual-core Microcontroller
The RP2040 from Raspberry Pi Foundation features dual ARM Cortex-M0+ 32-bit cores, 264KB SRAM, PIO state machines, and USB support for maker projects and embedded systems. Falls under HTS 8542.31.00.25 as a 32-bit microcontroller chip.
NXP i.MX RT1062 Crossover MCU
NXP's i.MX RT1062 is a 32-bit ARM Cortex-M7 crossover microcontroller running at 600MHz with 1MB SRAM, ideal for real-time control and machine learning edge applications. Classified in HTS 8542.31.00.25 for its 32-bit controller with high-performance DSP extensions.
SAM D21G18A 32-bit ARM Cortex-M0+ MCU
Microchip SAM D21G18A is a low-power 32-bit ARM Cortex-M0+ microcontroller with 256KB Flash, event system, and multiple low-power modes for battery-powered IoT sensors. HTS 8542.31.00.25 classification based on 32-bit controller architecture.
LPC1768 32-bit ARM Cortex-M3 Microcontroller
NXP LPC1768 features 512KB Flash, 64KB RAM, Ethernet, USB, and CAN on 32-bit ARM Cortex-M3 core for industrial automation and motor control. Classified HTS 8542.31.00.25 as 32-bit controller with networking peripherals.