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  2. Special function register - Wikipedia

    en.wikipedia.org/wiki/Special_Function_Register

    A special function register (SFR) is a register within a microcontroller that controls or monitors various aspects of the microcontroller's function. Depending on the processor architecture, this can include, but is not limited to: I/O and peripheral control (such as serial ports or general-purpose IOs) timers; stack pointer

  3. Universal asynchronous receiver-transmitter - Wikipedia

    en.wikipedia.org/wiki/Universal_asynchronous...

    Some early telegraph schemes used variable-length pulses (as in Morse code) and rotating clockwork mechanisms to transmit alphabetic characters.The first serial communication devices (with fixed-length pulses) were rotating mechanical switches (commutators).

  4. General-purpose input/output - Wikipedia

    en.wikipedia.org/wiki/General-purpose_input/output

    Some ICs provide GPIOs as a primary function whereas others include GPIOs as a convenient "accessory" to some other primary function. Examples of the former include the Intel 8255 , which interfaces 24 GPIOs to a parallel communication bus, and various GPIO expander ICs, which interface GPIOs to serial communication buses such as I²C and SMBus .

  5. Serial Peripheral Interface - Wikipedia

    en.wikipedia.org/wiki/Serial_Peripheral_Interface

    It is sometimes called a four-wire serial bus to contrast with three-wire variants which are half duplex, and with the two-wire I²C and 1-Wire serial buses. Typical applications include interfacing microcontrollers with peripheral chips for Secure Digital cards, liquid crystal displays , analog-to-digital and digital-to-analog converters ...

  6. Arduino Uno - Wikipedia

    en.wikipedia.org/wiki/Arduino_UNO

    These pins can be configured to trigger an interrupt on a low value, a rising or falling edge, or a change in value. PWM (pulse-width modulation): pins 3, 5, 6, 9, 10, and 11. Can provide 8-bit PWM output with the analogWrite() function. SPI (Serial Peripheral Interface): pins 10 (SS), 11 (MOSI), 12 (MISO), and 13 (SCK). These pins support SPI ...

  7. KISS (amateur radio protocol) - Wikipedia

    en.wikipedia.org/wiki/KISS_(amateur_radio_protocol)

    KISS uses Serial Line Internet Protocol framing, but defines its own simple protocol instead of encapsulating raw IP packets, as SLIP does. The KISS protocol messages provide for setting common TNC control variables as well as sending arbitrary message packets to be forwarded by the TNC.

  8. ATmega328 - Wikipedia

    en.wikipedia.org/wiki/ATmega328

    ATmega328 is commonly used in many projects and autonomous systems where a simple, low-powered, low-cost micro-controller is needed. Perhaps the most common implementation of this chip is on the popular Arduino development platform, namely the Arduino Uno, Arduino Pro Mini [4] and Arduino Nano models.

  9. I3C (bus) - Wikipedia

    en.wikipedia.org/wiki/I3C_(bus)

    Goals of the MIPI Sensor Working Group effort were first announced in November 2014 at the MEMS Executive Congress in Scottsdale AZ. [8]Electronic design automation tool vendors including Cadence, [9] Synopsys [10] and Silvaco [11] have released controller IP blocks and associated verification software for the implementation of the I3C bus in new integrated circuit designs.