diff options
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. |