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AVT1586 A
ID: 193646
MODULE FOUR LED DISPLAY 5x7 - PLATE PCB
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MODULE FOUR LED DISPLAY 5x7 - PLATE PCB
Producer: AVT
Prema Semiconductor produced PR4010 integrated circuits, which greatly simplify the control of LED lighting components. It is a 10-bit register with serial input and parallel outputs. Built-in latch latches allow you to avoid flickering of the LEDs during data recording. Most important, however, is the fact that the manufacturer has embedded in the structure of the system current sources with a maximum load current of a single output up to 10 mA (flowing through the LED from the "+" power), determined by a single resistor switched between ground and the BRT input. This frees the designer from the necessity to use resistors that determine the output current. The applied solution assures the user that eg each segment of the display will flow the same current and thus all will shine with the same intensity. This is very important when using matrix displays, e.g. 5 × 7 pixels.
The device is particularly recommended for computer system designers
Selected parameters:
- built-in current sources for supplying LEDs
- module with four matrices
- display information buffer (latch)
- possibility of brightness adjustment by PWM signal
- plate in the shape allowing to connect modules into chains
- power supply - 5Vdc
- printed circuit board and documentation included
A version with a set of independent components is available
A detailed description in EP 8/10
Download
193646
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MODULE FOUR LED DISPLAY 5x7 - PLATE PCB