S/UNI-IMA-4 Telecom Standard Product Data Sheet
Released
Register 0x042: SDRAM Diagnostics
Bit
15:1
0
Type
N/A
R/W
Function
Unused
DIAG_MODE
Default
0
0
DIAG_MODE
The SDRAM Diagnostic Mode (DIAG_MODE) allows the microprocessor to access the
SDRAM for testing and initialization. While in diagnostic mode, the normal SDRAM
accesses are inhibited and the S/UNI-IMA-4 will not operate properly.
0) Diagnostic access is disabled and the S/UNI-IMA-4 operates normally.
1) Diagnostic access is enabled. The SDRAM may be accessed via indirect access as
described in section 11.4 using registers 0x44-0x50.
Proprietary and Confidential to PMC-Sierra, Inc., and for its customers’ internal use.
Document No.: PMC-2020889, Issue 2
118
PMC [ PMC-SIERRA, INC ]
