When switching the signal voltage from 3.3V to 1.8V, there should be only
one SD Clock gating and un-gating operation. Between them the SD host
controller should switch signal level to 1.8V.
However, sometimes there is an additional gating and un-gating operation
immediately after CMD11. This
On 28 January 2014 11:50, Vincent Yang vincent.yang.fuji...@gmail.com wrote:
When switching the signal voltage from 3.3V to 1.8V, there should be only
one SD Clock gating and un-gating operation. Between them the SD host
controller should switch signal level to 1.8V.
However, sometimes there
