Mach Speed Technologies Eclipse Touch 2.8V Guida Utente Pagina 131

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Interfacing DDR2 and DDR3 Memories with the i.MX53 Processor
i.MX53 System Development User’s Guide, Rev. 1
Freescale Semiconductor 6-13
6.5.5 Timing Configuration 2 Register
Figure 6-7 shows the timing configuration 2 registers bit fields, access, and reset values.
Values are as follows:
tDLLK = 512 CK
tRTP = Greater than 4 CK
tWTR = Greater than 4 CK
tRRD = Greater than 4 CK
Enable as follows:
setmem /32 0x63FD9014 = 0x01FF00DB
Access: Read/Write
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
R
tDLLK —tRTPtWTR tRRD
W
Reset00000000110001110000000010010010
Figure 8. ESDCTL Timing Configuration Register 2(ESDCFG2)
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