Hi,
We have a custom LS1043A board with on board memory IC (2 nos of MT40A256M16GE-083E)
We are unable to boot the system . We have noticed the below signals in the DDR configuration .
Memory Chip1 -
DQ(0-15)
CS0
CKE0
ODT0
MCLK0(p/n)
Memory Chip 2
DQ(16-31)
CS1
CKE1
ODT1
MCLK0(p/n)
Our understanding is that chip2 should have MCK1(p/n) connected ,since the chip uses CKE1.
Hence we can use only Chip 1 for booting the system
Kindly confirm if our understanding is correct & the DDR rank configuration we have to follow.
You wrote:
> Our understanding is that chip2 should have MCK1(p/n) connected
Your understanding is not correct.
Correct connection should be:
Memory Chip 2
DQ(16-31)
CS0
CKE0
ODT0
MCLK0(p/n)