17.33 UDDRC SDRAM Timing Register 14

Name: UDDRC_DRAMTMG14
Offset: 0x138
Reset: 0x000000A0
Property: Read/Write

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
          
Access  
Reset  
Bit 15141312111098 
     T_XSR[11:8] 
Access R/WR/WR/WR/W 
Reset 0000 
Bit 76543210 
 T_XSR[7:0] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset 10100000 

Bits 11:0 – T_XSR[11:0] tXSR: Exit Self Refresh to any command.

When the controller is operating in 1:2 frequency ratio mode, program this to the above value divided by 2 and round up to next integer value.

The value 0xfff is illegal for this register field.

Unit: DFI clock cycles.

Programming Mode: Quasi-dynamic Group 2, Group 4

Note: Used only for LPDDR2/LPDDR3 mode.