From 7cd047cf2443a14c6bd89028388eb6c761087f6a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?King=20K=C3=A9vin?= Date: Sun, 24 Jul 2022 16:50:40 +0200 Subject: [PATCH] doc: document OCS timing --- README.md | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/README.md b/README.md index 5006295..3f6408d 100644 --- a/README.md +++ b/README.md @@ -86,6 +86,14 @@ on this hub, the fault is reported, and the power is automatically disabled, pre this is very useful when testing devices. the power is restored once the current limit is cleared. +the power distribution switch detects the over-current state and asserts the fault flag after 10 ms. +after 0.1 ms (as set in OC_TIMER, in Configuration Data Byte 2, in EEPROM) the hub will switch off power. +this also clears the over-current state. +after 100 ms the HUB will re-enable power. +this loop will repeat indefinitely. +no over-current is reported to the host in this case. +it is only reported when the OCS is asserted for longer (unknown time). + LED color ---------