From: Luke Kenneth Casson Leighton Date: Wed, 20 Jun 2018 08:35:18 +0000 (+0100) Subject: clarify X-Git-Tag: convert-csv-opcode-to-binary~5153 X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=80e4ef4cee79f64f3a94c4dc287a20b7558ac993;p=libreriscv.git clarify --- diff --git a/pinmux/pinmux_chennai_2018.tex b/pinmux/pinmux_chennai_2018.tex index 6fb16a612..03cff3836 100644 --- a/pinmux/pinmux_chennai_2018.tex +++ b/pinmux/pinmux_chennai_2018.tex @@ -42,17 +42,16 @@ \item Pin: an I/O pad. May be driven (input) or may drive (output). \item FN: term for a single-wire "function", such as UART\_TX, I2C\_SDA, SDMMC\_D0 etc. may be an input, output or both - (bi-directional case: two wires are always allocated, one + (bi-directional case: two wires are {\bf always} allocated, one for input to the function and one for output from the function). \item Bus: a group of bi-directional functions (SDMMC D0 to D3) - where the direction is ganged and under the Bus's control + where the direction is ganged and {\bf under the Bus's control} \item Input Priority Muxer: a multiplexer with N selector wires and N associated inputs. The lowest (highest?) indexed "selector" enabled results in its input being routed to the output. - \item Output Demuxer: a one-to-many "redirector" where a single - input is "routed" to any one output, based - on a selector. + \item Output Muxer: a many-to-one "redirector" where any one + output "routed" to the input, based on a selector "address". \end{itemize} }