On-Chip Memory; On-Chip Ram; Features Of The On-Chip Ram - Altera Cyclone V Device Handbook

2013.12.30
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The hard processor system (HPS) contains two types of on-chip memory. The on-chip memory types are
the following:
• On-Chip RAM The on-chip RAM provides 64 KB of general-purpose RAM.
• Boot ROM The boot ROM contains the code required to boot the HPS from cold or warm reset.
Both on-chip memories connect to the level 3 (L3) interconnect.
Related Information
•

On-Chip RAM

• Boot ROM on page 9-3
On-Chip RAM

Features of the On-Chip RAM

The on-chip RAM offers the following features:
• 64-bit interface
• 64 KB size
• Single-ported RAM
• Read acceptance of two, write acceptance of two, and a total acceptance of four.
• Error correction code (ECC) support
• Sustained ideal throughput (operating frequency times the data width) during read after read, write after
write, write after read, and read after write.
Related Information
Clock Manager
For more information about the operating frequency and maximum throughput, refer to the Clock Manager
chapter.
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On-Chip Memory

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