[HN Gopher] Designing My Own ASIC with Tiny Tapeout
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Designing My Own ASIC with Tiny Tapeout
Author : picture
Score : 29 points
Date : 2023-01-25 20:33 UTC (2 hours ago)
(HTM) web link (teaandtechtime.com)
(TXT) w3m dump (teaandtechtime.com)
| MayeulC wrote:
| Awesome! Can one submit semi-custom or full-custom layouts as
| well as digital logic?
|
| We have FPGAs for (most) logic stuff, but what if I wanted a
| tiny, power-efficient RF (Wi-Fi or GPS for instance) chip?
| LeifCarrotson wrote:
| Can you do it in 1000 logic gates, in a size of 150 x 170 um?
|
| There are very few things that are more complex than toys which
| fit in that space. It's primarily a learning opportunity, not a
| hack to build a product.
|
| Also, most of the hard work in Wi-Fi and GPS modules is not in
| receiving the binary radio signal but in the protocols to
| decode it. For wifi, the 802.11 protocol would require your PHY
| to provide at the very least the orthogonal frequency-division
| multiplexing, but you're probably expecting something closer to
| a Wiznet chip that provides the fundamental stack available
| from eg. the lwIP project.
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