3.3.18. Exit Self-refresh Timing Register

The t_xsr Register characteristics are:

Purpose

Controls the exit self-refresh to command delay in memory clock cycles, see Figure 2.22.

Usage constraints

Only accessible in Config or Low_power state.

Configurations

Available in all configurations of the DDR2 DMC.

Attributes

See the register summary in Table 3.1.

Figure 3.25 shows the t_xsr Register bit assignments.

Figure 3.25. t_xsr Register bit assignments

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Table 3.19 shows the t_xsr Register bit assignments.

Table 3.19. t_xsr Register bit assignments

BitsNameFunction
[31:8]-Read undefined, write as zero.
[7:0]t_xsrSets tXSR, the exit self-refresh to command delay in memory clock cycles. Supported values are 1-255.

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