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4.1. About the MBIST Datalog Register

The MBIST Datalog Register records information about failing arrays. Figure 4.1 shows the register format for a configuration with parity.

Figure 4.1. MBIST Datalog Register format for a configuration with parity

Figure 4.1. MBIST Datalog Register format for
a configuration with parity

Figure 4.2 shows the register format for a nonparity configuration.

Figure 4.2. MBIST Datalog Register format for a nonparity configuration

Figure 4.2. MBIST Datalog Register format for
a nonparity configuration

Field descriptions describes the register fields in detail.

The datalogs for all CPUs are dumped in parallel through MBISTRESULT[5:2] with:

  • MBISTRESULT[5] for CPU3

  • MBISTRESULT[4] for CPU2

  • MBISTRESULT[3] for CPU1

  • MBISTRESULT[2] for CPU0.