PM7311 pmc-sierra, PM7311 Datasheet - Page 274

• Manufacturer Part Number: PM7311
• Description: Freedm 84a1024l Assp Telecom Standard Datasheet
• Manufacturer: pmc-sierra

Proprietary and Confidential to PMC-Sierra, Inc., and for its customers’ internal use.
Document No.: PMC-2021832, Issue 2
14.9 Re-Sequencing SDRAM Interface
14.10 Chunk Buffer SDRAM Interface
The following two diagrams depict the timing for signals destined for the pins of the Re-
sequencing SDRAM during the Activate-Read (with Auto-precharge), and Activate-Write (with
Auto-precharge sequences.
Figure 53 Read Timing for Re-Sequencing Memory
Figure 54 Write Timing Re-Sequencing Memory
The following two diagrams depict the timing for signals destined for the pins of the Chunk
Buffer SDRAM during the Activate-Read (with Auto-precharge), and Activate-Write (with Auto-
precharge sequences.
RSADD[12:0]
RSDAT[31:0]
RSADD[12:0]
RSDAT[47:0]
RSADD[10]
RSADD[10]
RSBS[1:0]
RSBS[1:0]
SYSCLK
RSRASB
RSCASB
SYSCLK
RSRASB
RSCASB
RSWEB
RSWEB
RSCSB
RSCSB
ROW ADDR
BANK ADDR
ROW ADDR
ROW ADDR
BANK ADDR
ROW ADDR
FREEDM 84A1024L ASSP Telecom Standard Product Data Sheet
Dis Auto Prech
COL ADDR0
BANK ADDR
COL ADDR
BANK ADDR
WR_W0
Dis Auto Pre
Dis. Auto PrechEn. Auto Prech
COL_ADDR1 COL_ADDR2
BANK ADDR BANK ADDR
RD_W0
COL ADDR
BANK ADDR
WR_W1
Dis Auto Pre
RD_W1
COL ADDR
BANK ADDR
WR_W2
En Auto Pre
RD_W2
Released
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