User's Manual

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Chapter 31 External Bus
2.External Bus Interface Registers
Table 4.2-47 lists the settings for the refresh cycle (tRC).
Table 2-31 Settings for the refresh cycle (tRC)
TRC2 TRC1 TRC0 Refresh cycle (tRC)
0004
0015
0106
0117
1008
1019
11010
11111