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LEDTSCU is a functional unit for the control of capacitive touch pads and a matrix of LEDs through the same pins. For example, 7 segment displays which are commonly used can be controlled by such a matrix. The principle of time-multiplexed operation of two or more functions, in this case touch control and LED-control, reduces the amount of pins ...
It is a relatively simple display generator intended for NTSC television output: capable of displaying alphanumeric text, semigraphics, [12] and raster graphics contained within a roughly square display matrix 256 pixels wide by 192 lines high. The ROM includes a 5 x 7 pixel font, compatible with 6-bit ASCII.
A Charlieplexed digital clock which controls 90 LEDs with 10 pins of a PIC 16C54 microcontroller.. Charlieplexing (also known as tristate multiplexing, reduced pin-count LED multiplexing, complementary LED drive and crossplexing) is a technique for accessing a large number of LEDs, switches, micro-capacitors or other I/O entities, using relatively few tri-state logic wires from a microcontroller.
An LED matrix or LED display is a large, low-resolution form of dot-matrix display, useful both for industrial and commercial information displays as well as for hobbyist human–machine interfaces. It consists of a 2-D diode matrix with their cathodes joined in rows and their anodes joined in columns (or vice versa).
The popularity of the Super-80 led to a small industry growing up around addressing the shortcomings of the original computer - especially the black and white, 32 × 16 character, upper case only video display. The original name of the computer was "Nova-80", but it was changed at the last minute to avoid "possible legal ramifications". [2]
Starburst displays can display all letters. Dot-matrix displays typically use 5×7 pixels per character. Seven-segment LED displays were in widespread use in the 1970s and 1980s, but rising use of liquid crystal displays, with their lower power needs and greater display flexibility, has reduced the popularity of numeric and alphanumeric LED ...
A 16×2-character dot-matrix display, where each character is made from a grid of 5×7 dots. A dot-matrix display is a low-cost electronic digital display device that displays information on machines such as clocks, watches, calculators, and many other devices requiring a simple alphanumeric (and/or graphic) display device of limited resolution.
In order to make up somewhat for the lack of registers, the 6502 includes a zero page addressing mode that uses one address byte in the instruction instead of the two needed to address the full 64 KB of memory. This provides fast access to the first 256 bytes of RAM by using shorter instructions. For instance, an instruction to add a value from ...
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