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  2. ATtiny microcontroller comparison chart - Wikipedia

    en.wikipedia.org/wiki/ATtiny_microcontroller...

    RTT is a 16-bit Real Time Timer that is driven by a 32.768KHz clock, though Microchip calls it RTC for Real Time Counter (easily confused to mean Real Time Clock). ADC pins column - the total number of analog channels that are accessible via pins that multiplex into the ADC input. Most parts have one ADC, a few have two ADC.

  3. 555 timer IC - Wikipedia

    en.wikipedia.org/wiki/555_timer_IC

    The dual version is called 556. It features two complete 555 timers in a 14-pin package; only the two power-supply pins are shared between the two timers. [21] [16] In 2020, the bipolar version was available as the NE556, [21] and the CMOS versions were available as the Intersil ICM7556 and Texas Instruments TLC556 and TLC552.

  4. MOS Technology 6522 - Wikipedia

    en.wikipedia.org/wiki/MOS_Technology_6522

    The VIA provides two 16-bit timer/counters. Each can be used in one-shot "interval timer" mode; timer 1 can also be used in "free-running" (divider/square wave) mode, in which the timer is automatically reloaded with the initial count when it reaches zero, and timer 2 can also be used in "pulse counting" mode, in which the timer will count the high-to-low state transitions of pin PB6 (the 7th ...

  5. PIC16x84 - Wikipedia

    en.wikipedia.org/wiki/PIC16x84

    Both "EEPROM" and "FLASH" utilise similar forms of "floating gate" technologies to operate. The device features one 8-bit timer, and 13 I/O pins. The PIC16x84 became popular in many hobbyist applications because it uses a serial programming algorithm that lends itself to very simple programmers.

  6. COP400 - Wikipedia

    en.wikipedia.org/wiki/COP400

    The R port is an additional eight-bit bidirectional I/O port, similar to Q. The R port contains latches and drivers. Data to be output is latched into the R register. The input path is from the pins to the accumulator and RAM. Input data at the R pins are not latched into the R register by any external signal.

  7. List of common microcontrollers - Wikipedia

    en.wikipedia.org/wiki/List_of_common...

    PIC16F628 (Replacement for very popular but discontinued PIC16F84) – PIC16F84A is still in production as of April 8, 2022. [6] PIC18 series: 16-bit instruction words, three address pointers ("indirect register pairs") 16-bit (16-bit data bus) microcontrollers, with 16 general-purpose registers (each 16-bit) PIC24: 24-bit instruction words

  8. List of 4000-series integrated circuits - Wikipedia

    en.wikipedia.org/wiki/List_of_4000-series...

    The following is a list of CMOS 4000-series digital logic integrated circuits.In 1968, the original 4000-series was introduced by RCA.Although more recent parts are considerably faster, the 4000 devices operate over a wide power supply range (3V to 18V recommended range for "B" series) and are well suited to unregulated battery powered applications and interfacing with sensitive analogue ...

  9. Pin compatibility - Wikipedia

    en.wikipedia.org/wiki/Pin_compatibility

    Pin-to-pin compatible devices share an assignment of functions to pins, but may have differing electrical characteristics (supply voltages, or oscillator frequencies) or thermal characteristics (TDPs, reflow curves, or temperature tolerances). As a result, their use in a system may require that portions of the system, such as its power delivery ...

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