Other
Electronic integrated circuits; parts thereof: > Electronic integrated circuits: > Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits > Controllers (including microcontrollers): > Other
Duty Rate (from China)
Effective with respect to entries on or after January 1, 2025, articles the product of China, as provided for in subdivision (f) of U.S. note 31 to this subchapter
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Products classified under HTS 8542.31.00.30
nRF52840 SoC Microcontroller
Nordic nRF52840 BLE 5.4 ARM Cortex-M4 with TrustZone. Controller IC under 8542.31.0030.
STM32F103C8T6 ARM Cortex-M3 Microcontroller
The STM32F103C8T6 is a 32-bit ARM Cortex-M3 based microcontroller featuring integrated flash memory, timers, and communication interfaces like UART and SPI. It falls under HTS 8542.31.0030 as a controller (microcontroller) that is an electronic integrated circuit, not combined exclusively with memories but including logic and timing circuits for embedded control applications.
Arduino Uno R3 ATmega328P Microcontroller
The ATmega328P IC powers Arduino Uno boards, providing 8-bit AVR controller with ADC, PWM, and serial interfaces for hobbyist and prototyping projects. Classified under HTS 8542.31.0030 as a microcontroller electronic integrated circuit with embedded logic, timing, and converter functions.
PIC16F877A 8-Bit Microcontroller
Microchip's PIC16F877A is an enhanced 8-bit CMOS microcontroller with 40-pin package, integrating A/D converters, UART, and capture/compare/PWM modules. It qualifies for HTS 8542.31.0030 as a controller IC designed for embedded systems control.
ESP32-WROOM-32 WiFi Microcontroller Module IC
Espressif's ESP32 dual-core Xtensa LX6 microcontroller IC with integrated WiFi, Bluetooth, and low-power features for IoT applications. Falls under HTS 8542.31.0030 as a controller electronic integrated circuit with wireless logic circuits.
Raspberry Pi RP2040 Microcontroller Chip
Raspberry Pi's RP2040 is a dual-core ARM Cortex-M0+ microcontroller IC with programmable I/O, USB, and PIO for flexible peripherals. Classified HTS 8542.31.0030 for its controller functions in embedded projects.
NXP LPC1768 ARM Cortex-M3 Microcontroller
NXP LPC1768 32-bit ARM Cortex-M3 MCU with Ethernet MAC, USB, CAN, and up to 512KB flash for industrial control. HTS 8542.31.0030 as advanced controller IC with multiple interfaces.
ATtiny85 8-Pin Microcontroller
Microchip ATtiny85 low-power 8-bit AVR microcontroller in SOIC-8 package for wearables and sensors. Under HTS 8542.31.0030 as compact controller IC with timers and ADC.
MSP430FR5994 Ultra-Low-Power Microcontroller
TI MSP430FR5994 16-bit MCU with FRAM non-volatile memory for metering and medical devices. HTS 8542.31.0030 for low-power controller functions.
SAM D20 Cortex-M0+ Microcontroller
Microchip SAM D20 series ARM Cortex-M0+ MCU for USB and sensor hubs. Classified as controller IC under HTS 8542.31.0030.
Renesas RA4M1 ARM Cortex-M4 Microcontroller
Renesas RA4M1 32-bit MCU with TrustZone security for edge AI. HTS 8542.31.0030 controller classification.
KL25Z128VLH4 Kinetis Microcontroller
NXP Kinetis KL25Z ARM Cortex-M0+ with segment LCD controller. Under 8542.31.0030 as specialized MCU.
EFM32LG330 Giant Gecko Microcontroller
Silicon Labs EFM32LG low-power 32-bit ARM MCU for gateways. HTS 8542.31.0030 controller.
SAMD21G18A 32-bit Microcontroller
Microchip SAMD21 Cortex-M0+ for Adafruit boards. Classified 8542.31.0030.
STM32L476RG Ultra-Low-Power MCU
ST STM32L4 series with power-efficient Cortex-M4 for wearables. HTS 8542.31.0030.