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Author SHA1 Message Date
Tim 'mithro' Ansell f7d23040ac sky130_fd_io: Initial documentation only release. 
The SKY130 IO cells is a toolkit IP. It contains all the cells and
primitives required to construct an I/O ring in the SKY130 technology.

This sky130_fd_io library contained in this document covers different
kinds of I/O cells,

 * a general purpose I/O (`sky130_fd_io__gpio`), and
 * a special I/O (`sky130_fd_io__sio`),
 * a reference generator (`sky130_fd_io__refgen`) for providing voltage
   references to the `sky130_fd_io__sio`, and
 * Power and Ground (PG) cells that make up the I/O ring.

Signed-off-by: Tim 'mithro' Ansell <me@mith.ro>
 2020-10-13 14:23:56 -07:00
Tim 'mithro' Ansell 4abbce3cf3 docs: Adding summary of foundry provided cells. 
Provides a little bit of summary information on each of the foundry
provided standard cells.

Signed-off-by: Tim 'mithro' Ansell <me@mith.ro>
 2020-10-12 04:28:33 -07:00
Tim 'mithro' Ansell acd53975a2 docs: Cleanup a bunch of sphinx warnings. 
Signed-off-by: Tim 'mithro' Ansell <tansell@google.com>
 2020-06-25 19:24:22 -07:00
Tim 'mithro' Ansell 6926ce51f0 docs: Adding the start of the contents section. 
Signed-off-by: Tim 'mithro' Ansell <tansell@google.com>
 2020-06-24 16:22:23 -07:00