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FT629

Part Number	FT629
Manufacturer	Ferret
Description	Switch Detection Chip
Published	Jul 19, 2008
Detailed Description	FT629 ‘Otter’ Switch Detection Chip General Description: The FT629 is a switch detection chip. It will detect a change o...
Datasheet	FT629 PDF File

Overview

FT629 ‘Otter’ Switch Detection Chip General Description: The FT629 is a switch detection chip.
It will detect a change on any of its five input pins and send one byte out of the TX pin.
The output byte’s lower five bits correspond to the state of the input pins 1-5.
Figure 1: FT629 pin out com Operation: The operation of the FT629 is very simple.
It will transmit one byte each time there is a change on one of its input pins.
There is some debouncing built into the FT629.
It will detect a change on the input pins and then send out one byte.
Therefore, there will be a 4.
16 ms delay after a change is detected before it will check for another pin change.
Although the FT629 was d...

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