Texas Instruments TMS320C6745 DSP - EMIFB to Dual 4 M × 16 × 4 Bank SDRAM Interface; Example of 32-Bit EMIFB Address Pin Connections

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
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SPRUH91D–March 2013–Revised September 2016
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External Memory Interface B (EMIFB)
Figure 19-5. EMIFB to Dual 4M × 16 × 4 bank SDRAM Interface
Table 19-4. Example of 32-bit EMIFB Address Pin Connections
SDRAM Size Width Banks 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]