PCA9901 driver equivalent, one wire single led driver.
* 1 wire interface to control the device
* Stand-alone blinking capability while training the sequence to blink
* Sequence includes up to 3 blinking elements .
* Cellular telephones
* Stand-alone status indicator
4. Ordering information
Table 1. Ordering information
Ty.
The PCA9901 is a 20 mA current source for a single LED that allows stand-alone blinking of a predefined pattern to off-load the microcontroller and save battery power.
Programming of the device is done through a training sequence: the host controller.
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