Difference between revisions of "ETRA SOM/ETRA Hardware/Peripherals/IO expander"
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Latest revision as of 11:45, 8 January 2024
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Contents
Peripheral I/O expanderEdit
The I/O expander peripheral is based on optional device, ADP5589 GPIO port that can be configured as either inputs or outputs.
DescriptionEdit
ETRA SOM has an optional device, ADP5589 GPIO port, which supports the following standards and features:
- output states: push-pull or open drain + pull-up/down
- input states: floating, pull-up/down, IRQ
- keypad decoding for matrix up to 11 × 8
- key press/release interrupts
- dual programmable logic blocks
- PWM generator
- clock divider
- reset generators
Please refer to the ETRA SOM part number composition for the related order code option.
Pin mappingEdit
The Pin mapping is described in the Pinout table section