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author | Clifford Wolf <clifford@clifford.at> | 2016-01-21 12:06:28 +0100 |
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committer | Clifford Wolf <clifford@clifford.at> | 2016-01-21 12:06:28 +0100 |
commit | b1a24f4f89fcd5e4790dee961fd6a35b75650b73 (patch) | |
tree | 9e1ff0f64c25c84b31d59b28ace274a3a1a89e2c /README.md | |
parent | 45d117fb877d47a5e044f73d2c7b0a83c3d8d6bd (diff) | |
download | picorv32-b1a24f4f89fcd5e4790dee961fd6a35b75650b73.tar.gz picorv32-b1a24f4f89fcd5e4790dee961fd6a35b75650b73.zip |
minor README changes
Diffstat (limited to 'README.md')
-rw-r--r-- | README.md | 8 |
1 files changed, 4 insertions, 4 deletions
@@ -27,14 +27,14 @@ PicoRV32 is free and open hardware licensed under the [ISC license](http://en.wi Features and Typical Applications --------------------------------- -- Small (~1000 LUTs in a 7-Series Xilinx FPGA) -- High fMAX (~250 MHz on 7-Series Xilinx FPGAs) +- Small (750-1700 LUTs in 7-Series Xilinx Architecture) +- High f<sub>max</sub> (250-450 MHz on 7-Series Xilinx FPGAs) - Selectable native memory interface or AXI4-Lite master - Optional IRQ support (using a simple custom ISA) - Optional Co-Processor Interface This CPU is meant to be used as auxiliary processor in FPGA designs and ASICs. Due -to its high fMAX it can be integrated in most existing designs without crossing +to its high f<sub>max</sub> it can be integrated in most existing designs without crossing clock domains. When operated on a lower frequency, it will have a lot of timing slack and thus can be added to a design without compromising timing closure. @@ -251,7 +251,7 @@ The start address of the interrupt handler. Cycles per Instruction Performance ---------------------------------- -*A short reminder: This core is optimized for size, not performance.* +*A short reminder: This core is optimized for size and f<sub>max</sub>, not performance.* Unless stated otherwise, the following numbers apply to a PicoRV32 with ENABLE_REGS_DUALPORT active and connected to a memory that can accommodate |