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62 www.xilinx.com PicoBlaze 8-bit Embedded Microcontroller
UG129 (v1.1.2) June 24, 2008
Chapter 7: Instruction Storage Configurations
R
To maintain compatibility with block RAM, the distributed ROM must have a registered
output using CLB flip-flops.
The CORE Generator software can create all of the above distributed ROM functions using
the coefficients file generated by the PicoBlaze assembler.
Table 7-1: Slices Required when Using CLBs for ROM
Instructions ROM Slices
<
16 9
<
32 18
<
64 36
<
128 72
<
256 144
<
512 297
<
1,024 594