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Simulates a PIC microcontroller: Logisim-evolution [4] [5] Multiple Universities 2024: Windows, macOS, Linux VHDL: Fork of Logisim (development ended in 2011) [6] LTspice: Analog Devices: 2024 Windows, macOS, POL: Very popular, updated often [7] Originally created at Linear Technology. Micro-Cap: Spectrum Software: 2021 Windows PLD expressions
The die from an Intel 8742, an 8-bit microcontroller that includes a CPU running at 12 MHz, 128 bytes of RAM, 2048 bytes of EPROM, and I/O in the same chip Two ATmega microcontrollers. A microcontroller (MC, UC, or μC) or microcontroller unit (MCU) is a small computer on a single integrated circuit.
s is a bit number in the status register (0 = C, 1 = Z, etc., see the list above) b is a bit number in a general-purpose or I/O register (0 = least significant, 7 = most significant) K6 is a 6-bit immediate unsigned constant (range: 0–63)
The ATtiny series features small package microcontrollers with a limited peripheral set available. However, the improved tinyAVR 0/1/2-series (released in 2016) include: Peripherals equal to or exceed megaAVR 0-series; Event System; Improved AVRxt instruction set (improved timing of calls), hardware multiply; megaAVR – the ATmega series
ATtiny (also known as TinyAVR) is a subfamily of the popular 8-bit AVR microcontrollers, which typically has fewer features, fewer I/O pins, and less memory than other AVR series chips. The first members of this family were released in 1999 by Atmel (later acquired by Microchip Technology in 2016).
The MCS-48 microcontroller series, Intel's first microcontroller, was originally released in 1976. Its first members were 8048, 8035 and 8748. The 8048 [1] is arguably the most prominent member of the family. Initially, this family was produced using NMOS (n-type metal–oxide–semiconductor) technology
Depending on the application, a microcontroller's GPIOs may comprise its primary interface to external circuitry or they may be just one type of I/O used among several, such as analog signal I/O, counter/timer, and serial communication. In some ICs, particularly microcontrollers, a GPIO pin may be capable of other functions than GPIO.
μC/OS-III offers all of the features and functions of μC/OS-II. The biggest difference is the number of supported tasks. μC/OS-II allows only 1 task at each of 255 priority levels, for a maximum of 255 tasks. μC/OS-III allows any number of application tasks, priority levels, and tasks per level, limited only by processor access to memory.