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Various older (EPROM) PIC microcontrollers. The original PIC was intended to be used with General Instrument's new CP1600 16-bit central processing unit (CPU). In order to fit 16-bit data and address buses into a then-standard 40-pin dual inline package (DIP) chip, the two buses shared the same set of 16 connection pins. In order to communicate ...
In computing, a programmable interrupt controller (PIC) is an integrated circuit that helps a microprocessor (or CPU) handle interrupt requests (IRQs) coming from multiple different sources (like external I/O devices) which may occur simultaneously. [1]
The PIC16C84, PIC16F84 and PIC16F84A are 8-bit microcontrollers of which the PIC16C84 was the first introduced in 1993 [citation needed] and hailed [by whom?] as the first PIC microcontroller to feature a serial programming algorithm and EEPROM memory. [citation needed] It is a member of the PIC family of controllers, produced by Microchip ...
Padauk Technology make a series of PIC-like microcontrollers notable for their extremely low cost, beginning at US$0.033 in quantity, [16] with many models costing less than US$0.10. [17] [18] [19] Although clearly derived from the Microchip PIC12 series, [17] [20] there are some significant differences:
These microcontrollers were originally developed by Cygnal. In 2012, the company introduced ARM-based mixed-signal MCUs with very low power and USB options, supported by free Eclipse-based tools. The company acquired Energy Micro in 2013 and now offers a number of ARM-based 32-bit microcontrollers. 8-bit C8051; EFM8 series; 32-bit ARM Cortex-M0 ...
Closeup of an Intel 8259A IRQ chip from a PC XT. Pinout. The Intel 8259 is a programmable interrupt controller (PIC) designed for the Intel 8085 and 8086 microprocessors. The initial part was 8259, a later A suffix version was upward compatible and usable with the 8086 or 8088 processor.
gpsim is a full system simulator for Microchip PIC microcontrollers originally written by Scotte Dattalo. [1] It is distributed under the GNU General Public License.. gpsim has been designed for accuracy including the entire PIC - from the core to the I/O pins and including the functions of all internal peripherals.
In 2006, Atmel released microcontrollers based on the 32-bit AVR32 architecture. This was a completely different architecture unrelated to the 8-bit AVR, intended to compete with the ARM-based processors. It had a 32-bit data path, SIMD and DSP instructions, along with other audio- and video-processing features. The instruction set was similar ...