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author | Clifford Wolf <clifford@clifford.at> | 2017-09-15 14:47:50 +0200 |
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committer | Clifford Wolf <clifford@clifford.at> | 2017-09-15 14:47:50 +0200 |
commit | 48b13daef2c83fd4b4f603de42f3b0f7ce697622 (patch) | |
tree | 83d487accd9e0a21b87024e9b4c32b29a60c55c9 /picosoc/README.md | |
parent | a412d3ea69618960d6cfd900b5b4e99a9161992f (diff) | |
download | picorv32-48b13daef2c83fd4b4f603de42f3b0f7ce697622.tar.gz picorv32-48b13daef2c83fd4b4f603de42f3b0f7ce697622.zip |
Update picosoc memory map
Diffstat (limited to 'picosoc/README.md')
-rw-r--r-- | picosoc/README.md | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/picosoc/README.md b/picosoc/README.md index 77ea038..2fd558c 100644 --- a/picosoc/README.md +++ b/picosoc/README.md @@ -38,6 +38,9 @@ and upload them to a connected iCE40-HX8K Breakout Board. | 0x02000008 .. 0x0200000B | UART Send/Recv Data Register | | 0x03000000 .. 0xFFFFFFFF | Memory mapped user peripherals | +The addresses in the internal SRAM region beyond the end of the physical +SRAM map to the corresponding addresses in serial flash. + Reading from the UART Send/Recv Data Register will return the last received byte, or -1 (all 32 bits set) when the receive buffer is empty. |