EMB_CS
EMB_CAS
EMB_RAS
EMB_WE
EMB_CLK
EMB_SDCKE
EMB_BA[1:0]
EMB_A[12:0]
EMB_WE_DQM[0]
EMB_D[15:0]
EMIFB
CE
CAS
RAS
WE
CLK
CKE
BA[1:0]
A[12:0]
LDQM
DQ[15:0]
SDRAM
4M x 16 x 4
Bank
EMB_WE_DQM[1]
UDQM
EMB_WE_DQM[2]
EMB_D[31:16]
EMB_WE_DQM[3]
CE
CAS
RAS
WE
CLK
CKE
BA[1:0]
A[12:0]
LDQM
DQ[15:0]
SDRAM
4M x 16 x 4
Bank
UDQM
OMAP-L137
SPRS563G – SEPTEMBER 2008 – REVISED JUNE 2014
www.ti.com
Figure 6-23. EMIFB to Dual 4M × 16 × 4 bank SDRAM Interface
Table 6-26. Example of 16/32-bit EMIFB Address Pin Connections
SDRAM SIZE
WIDTH
BANKS
MEMORY
ADDRESS PINS
64M bits
×16
4
SDRAM
A[11:0]
EMIFB
EMB_A[11:0]
×32
4
SDRAM
A[10:0]
EMIFB
EMB_A[10:0]
128M bits
×16
4
SDRAM
A[11:0]
EMIFB
EMB_A[11:0]
×32
4
SDRAM
A[11:0]
EMIFB
EMB_A[11:0]
256M bits
×16
4
SDRAM
A[12:0]
EMIFB
EMB_A[12:0]
×32
4
SDRAM
A[11:0]
EMIFB
EMB_A[11:0]
512M bits
×16
4
SDRAM
A[12:0]
EMIFB
EMB_A[12:0]
×32
4
SDRAM
A[12:0]
EMIFB
EMB_A[12:0]
Table 6-27
is a list of the EMIFB registers.
Table 6-27. EMIFB Base Controller Registers
BYTE ADDRESS
ACRONYM
REGISTER DESCRIPTION
0xB000 0000
MIDR
Module ID Register
98
Peripheral Information and Electrical Specifications
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