Features, Features -2, Table 4-1. mcecc functions on the petra asic -2 – Motorola MVME1X7P User Manual
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4-2
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MCECC Functions
4
Features
MCECC functions now implemented on the Petra chip include:
Table 4-1. MCECC Functions on the Petra ASIC
Function
Features
Memory Control
2-1-1-1 memory accesses (sustained) for burst writes
4-1-1-1 memory accesses (sustained) for burst reads (5-1-1-1 with BERR
on or when FSTRD is cleared)
Support for byte, two-byte, four-byte, and cache line read or write transfers
Programmable base address for DRAM
Built-in refresh timer and refresh controller
Programmable-period automatic scrub operation
Error Handling
ECC Single-Bit Error Detect and Correct
Software-enabled Interrupt on Single-Bit Error
Double-Bit Error Detect
Software-programmable Bus Error and/or Interrupt on double-bit error
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