TAMC900 User Manual Issue 2.0.1
Page 28 of 71
6 Register Description
6.1 Module Status and DCM 0/1 Status Register
There are several components integrated in the module that need to be configured after power on
respectively reset. This register summarizes accompany information and has to be checked before the
module can be used.
Bit
Symbol
Description
Access
Reset
Value
31:17 -
Reserved
R
0
16 STAT3
Core PLL Locked. The Core PLL generates the clocks for
the DCMs and the QDR-II Memory Controllers.
1 = PLL is locked
0 = PLL is not locked
R 0
15:13 -
Reserved
R
0
12 STAT2
This bit indicates if the DCM 1 has been locked and
operates correctly.
1 = DCM 1 locked
0 = DCM 1 not locked
R 0
11:9 -
Reserved
R
0
8 STAT1
This bit indicates if the DCM 0 has been locked and
operates correctly
1 = DCM 0 locked
0 = DCM 0 not locked
R 0
7:5 -
Reserved
R
0
4
STAT0
QDR-II Memory Controllers’ Ready Flag
R
0
3:1 -
Reserved
R
0
0
GSTAT
Whether the module is in working order is shown by this bit.
1 = Module is operating
0 = Module is not operating
R 0
Table 6-1 : Module Status Register (Address 0x0)
The module should not be used for DMA transmissions if the GSTAT bit is not asserted.