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1. What is the purpose of the ADP5585 according to the given document?
2. What are some of the features of the ADP5585 as listed in the document?
3. How many events can the FIFO of the ADP5585 store according to the document?
The ADP5585 is a 10 input/output port expander with a built-in keypad matrix decoder, programmable logic, reset generator, and PWM generator.
It is used in portable devices such as phones, remote controls, and cameras, as well as in non-portable applications like healthcare, industrial, and instrumentation.
The ADP5585 handles key scanning and decoding, flagging the main processor via an interrupt line when new key events occur.
It also has a FIFO to store up to 16 events, which can be read back by the processor via an I2C-compatible interface.
The device frees up the main processor from having to monitor the keypad, reducing power consumption and increasing processor bandwidth for other functions.
The programmable logic functions allow common logic requirements to be integrated as part of the GPIO expander, saving board area and cost.
The data sheet also includes detailed specifications, timing diagrams, absolute maximum ratings, and thermal resistance information.
Part No. | ADP5585ACPZ-00-R7 |
Manufacturer | AD |
Size | 605 Kbytes |
Pages | 40 pages |
Description | Keypad Decoder and I/O Expansion |
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