Filter
Top Products
DDR3THIN-MN-XXX 67 Doc. Rev. 1.11
Table 7 gives a brief description of each of the text lines displayed in the B_DDR3D_2G post-
processing software display.
Mnemonic Description
ACT – BANK ACTIVATE
(Sx# / bS# / cS#) Bank:
Active command – activate a row in a bank for subsequent access
(Slot A, B or C; Chip Select 0-3; Bank x)
DESL - IGNORE COMMAND Deselect function – no new command
(E)MRS – (EXTENDED) MODE
REGISTER SET x (Sx# / bS# / cS#)
Mode Register Set command, registers 0-3;
(Slot A, B or C; Chip Select 0-3)
NOP - NO OPERATION (Sx# / bS# / cS#) No Operation command (Slot A, B or C; Chip Select 0-3)
PRE – SINGLE BANK PRECHARGE
(Sx# / bS# / cS#) Bank:
Precharge command (Slot A, B or C; Chip Select 0-3; Bank x)
PREA – PRECHARGE ALL BANK
(Sx# / bS# / cS#)
Precharge All command (Slot A, B or C; Chip Select 0-3)
RDA – READ W/AUTO PRECHARGE
(Sx# / bS# / cS#) Bank:
Read command with auto precharge
(Slot A, B or C; Chip Select 0-3; Bank x)
RD - READ (Sx# / bS# / cS#) Bank: Read command – initiates a burst read access to active row
(Slot A, B or C; Chip Select 0-3; Bank x)
READ DATA Valid Read data on the bus
REF - REFRESH (Sx# / bS# / cS#) Self Refresh command (Slot A, B or C; Chip Select 0-3)
WRA – WRITE W/AUTO PRECHARGE
(Sx# / bS# / cS#) Bank:
Write command with auto precharge
(Slot A, B or C; Chip Select 0-3; Bank x)
WR - WRITE (Sx# / bS# / cS#) Bank: Write command – initiates a burst write access to active row
(Slot A, B or C; Chip Select 0-3; Bank x)
WRITE DATA Valid Write data on the bus
ZQCL – ZQ CALIBRATION LONG
(Sx# / bS# / cS#)
ZQ Calibration Long (Slot A, B or C; Chip Select 0-3)
ZQCS – ZQ CALIBRATION SHORT
(Sx# / bS# / cS#)
ZQ Calibration Short (Slot A, B or C; Chip Select 0-3)
Table 7 - B_DDR3D_2G Mnemonics Definition
6.5 Viewing Timing Data on the TLA
By default, the TLA will display an acquisition in the Listing (State) mode. However, the same
data can be displayed in Timing form by adding a Waveform Display window. This is done by
clicking on the Window pull-down, selecting New Data Window, clicking on Waveform
Window Type, then choosing the Data Source. Two valid choices are presented:
B_DDR3D_XX and B_DDR3D_XX: MagniVu. The first will show the exact same data (same
acquisition mode) as that shown in the Listing window, except in Waveform format. The second
selection will show all of the channels in 8GHz MagniVu mode, so that edge relationships can
be examined around the MagniVu trigger point. MagniVu is very useful and in some cases
necessary to see/resolve DDR3 data. With either selection, all channels can be viewed by
scrolling down the window. Refer to the TLA System User’s Manual for additional information
on formatting the Waveform display.