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author | Marti Bolivar <mbolivar@mit.edu> | 2010-09-27 00:40:44 -0400 |
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committer | Marti Bolivar <mbolivar@mit.edu> | 2010-09-27 00:40:44 -0400 |
commit | 753f89de354eff212d84f3f2aff41146865da342 (patch) | |
tree | 095e2183ce956bac028083d056c9c4b7ee8a8d84 /notes | |
parent | 849bc0f8f6abf42567a152cf6e01bf7349902aac (diff) | |
download | librambutan-753f89de354eff212d84f3f2aff41146865da342.tar.gz librambutan-753f89de354eff212d84f3f2aff41146865da342.zip |
whitespace cleanups
Diffstat (limited to 'notes')
-rw-r--r-- | notes/fsmc.txt | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/notes/fsmc.txt b/notes/fsmc.txt index b41de60..1f70760 100644 --- a/notes/fsmc.txt +++ b/notes/fsmc.txt @@ -15,14 +15,15 @@ SRAM chip details t_aa (address access) = 55ns -The FSMC nomenclature is very confusing. There are three seperate "banks" -(which I will call "peripheral banks") each of specialized for different types -of external memory (NOR flash, NAND flash, SRAM, etc). We use the one for -"PSRAM" with our SRAM chip; it's bank #1. The SRAM peripheral bank is further -split into 4 "banks" (which I will call "channels") to support multiple -external devices with chip select pins. I think what's going on is that there -are 4 hardware peripherals and many sections of RAM; the docs are confusing -about what's a "block of memeory" and what's an "FSMC block". +The FSMC nomenclature is very confusing. There are three separate +"banks" (which I will call "peripheral banks") each specialized for +different types of external memory (NOR flash, NAND flash, SRAM, +etc). We use the one for "PSRAM" with our SRAM chip; it's bank #1. The +SRAM peripheral bank is further split into 4 "banks" (which I will +call "channels") to support multiple external devices with chip select +pins. I think what's going on is that there are 4 hardware peripherals +and many sections of RAM; the docs are confusing about what's a "block +of memeory" and what's an "FSMC block". Anyways, this all takes place on the AHB memory bus. |