ETRA SOM/ETRA Hardware/Peripherals/IO expander
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| 1.0.0 | Gen 2021 | First Release | |
Peripheral I/O expander[edit | edit source]
The I/O expander peripheral is based on optional device, ADP5589 GPIO port that can be configured as either inputs or outputs.
Description[edit | edit source]
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 mapping[edit | edit source]
The Pin mapping is described in the Pinout table section
