From a37f4ef236f9c5777f2c9fda4ad864f4845de4d6 Mon Sep 17 00:00:00 2001 From: lampmerchant <66847847+lampmerchant@users.noreply.github.com> Date: Fri, 11 Feb 2022 09:11:01 -0700 Subject: [PATCH] Create transceivers.md --- documentation/transceivers.md | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 documentation/transceivers.md diff --git a/documentation/transceivers.md b/documentation/transceivers.md new file mode 100644 index 0000000..a300573 --- /dev/null +++ b/documentation/transceivers.md @@ -0,0 +1,22 @@ +# Compatible RS-422/485 Transceivers + +## Background + +LocalTalk requires an RS-422/485 transceiver whose receiver output floats high when the bus is not being driven. +Not all of them do! This is a non-exhaustive list of known-good ones. + +## [SN65HVD08](https://www.ti.com/product/SN65HVD08) + +Used by Tashtari in breadboard testing. + +## [ISL83076E](https://www.renesas.com/us/en/products/interface-connectivity/rs-485-rs-422-rs-232/rs-485rs-422/standard-rs-485rs-422/isl83076e-15kv-esd-protected-33v-full-fail-safe-low-power-high-speed-or-slew-rate-limited-rs-485rs-422) + +Used by bdurbrow on TashTalkHat. + +## [GM3085E](http://www.gmmicro.com/product_view_716.html) + +Used by cheesestraws on AirTalk. + +## [TP75176E-SR](http://www.3peakic.com.cn/En/product/inproduct/catid/136/id/199.html) + +Used by cheesestraws on AirTalk.