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The AD7607, AD7608 and AD7609 are some older parts of the AD7606 family. They are hardware-only, meaning that they don't have any registers accessible via SPI or Parallel interface. They are more similar to the AD7605-4 part, which is supported by the 'ad7606' driver, and are configurable via GPIOs. Like the AD7605-4 part, all 3 parts have 2 CONVST (Conversion Start) pins (CONVST A and CONVST B). But in practice, these should be tied together to make reading of samples easier via a serial line. The AD7607 has an 14-bit resolution and AD7608 & AD7609 have an 18-bit resolution. The main difference between the AD7608 & AD7609 is that the AD7609 has a larger range (±10V & ±20V) vs the ±5V & ±10V ranges for AD7608. However, unlike AD7605-4 part, these 3 parts have oversampling which is configurable (like for the AD7606 in HW-mode) via GPIOs. Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ad7607.pdf Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ad7608.pdf Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ad7609.pdf Signed-off-by: Alexandru Ardelean <aardelean@baylibre.com> Reviewed-by: David Lechner <dlechner@baylibre.com> Link: https://patch.msgid.link/20241025095939.271811-6-aardelean@baylibre.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.