3.3.291 t_xp_now

Configures the exit power-down timing parameter for operations that do not require a DLL (tXP), and those that do (tXPDLL). t_xpdll must be greater than or equal to tRCD and tCKE. t_xp must be greater than or equal to tMPX_S.

The t_xp_now register characteristics are:
Usage constraints
Can be read from when in ALL states. Cannot be written to and only updated when in CONFIG, LOW-POWER or PAUSED states.
Configurations
There is only one DMC configuration.
Attributes
Offset
0x125C
Type
Read-only
Reset
0x00060002
Width
32
The following figure shows the bit assignments.
Figure 3-291 t_xp_now register bit assignments
To view this graphic, your browser must support the SVG format. Either install a browser with native support, or install an appropriate plugin such as Adobe SVG Viewer.

The following shows the bit assignments.
[31:24] Reserved_2
Unused bits
[23:16] t_xpdll_now
This delay is applied for subsequent commands requiring a DLL The supported range for this bitfield is 5-255.
[15:8] Reserved_1
Unused bits
[7:0] t_xp_now
This delay is applied for subsequent commands not requiring a DLL The supported range for this bitfield is 1-255.
Non-ConfidentialPDF file icon PDF versionARM 100000_0001_00_en
Copyright © 2014 ARM. All rights reserved.