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Table 7-5 TLCNR Register Bit Definitions (Continued)
Name
Bit(s)
<1>
CRDD
<0>
CWDD
Each node on the TLSB can contain up to two individually addressable
units. These units can be CPUs or memory banks and are physically ad-
dressed as A and B. The number of these units is presented in <VCNT>.
These units are also addressed using virtual IDs that are assigned by writ-
ing to the TLVID register.
A failure in the node's self-test may declare individual units unusable or
the entire node unusable. If individual units fail self-test but the remain-
der of the node is deemed usable, the self-test fail bits for the usable units
are cleared. An entire node is unusable if all implemented self-test fail
bits remain set or if the <VCNT> field contains a zero.
Unimplemented Halt and Self-Test Fail bits read zero.
7-18 System Registers
Type
Function
R/W, 0
Correctable Read Data Error Interrupt Dis-
able. When set, TLSB_DATA_ERROR is not
asserted on detection of a single-bit data error
during a read command. Setting CRDD in all
nodes disables correctable read data error inter-
rupts.
R/W, 0
Correctable Write Data Error Interrupt
Disable. When set, TLSB_DATA_ERROR is not
asserted on detection of a single-bit data error
during a write command. Setting CWDD in all
nodes disables correctable write data error inter-
rupts.
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