PM7311 pmc-sierra, PM7311 Datasheet - Page 43
PM7311
Manufacturer Part Number
PM7311
Description
Freedm 84a1024l Assp Telecom Standard Datasheet
Manufacturer
pmc-sierra
Datasheet
1.PM7311.pdf
(296 pages)
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Proprietary and Confidential to PMC-Sierra, Inc., and for its customers’ internal use.
Document No.: PMC-2021832, Issue 2
Pin Name
RVAL
Table 5 Re-Sequencing SDRAM Interface (52 Signals)
Pin Name
RSCSB
RSRASB
RSCASB
RSWEB
RSADD[0]
RSADD[1]
RSADD[2]
RSADD[3]
RSADD[4]
RSADD[5]
RSADD[6]
RSADD[7]
RSADD[8]
RSADD[9]
RSADD[10]
RSADD[11]
Type
Output
Tristate
Type
Output
Output
Output
Output
Output
Pin
No.
W2
Pin No.
AB31
AB30
AB29
AA28
V28
V27
W31
W30
W29
W27
Y31
Y30
Y29
Y28
Y27
AA30
FREEDM 84A1024L ASSP Telecom Standard Product Data Sheet
Function
RERR is tristated when the FREEDM 84A1024L device is not
selected via the RENB signal.
Any-PHY Level 3 Mode:
RERR is driven low when the FREEDM 84A1024L device is
not selected via the RENB signal.
The receive data valid (RVAL) is asserted when packet data is
being output on RXDATA. It is de-asserted whenever the
FREEDM 84A1024L device is selected, but not outputting
packet data on RXDATA[15:0]. (E.g., when RSX is high and
address prepend is being output on RXDATA, RVAL is de-
asserted.)
RVAL is updated on the rising edge of RXCLK.
Any-PHY Level 2 Mode:
RVAL is tristated when the FREEDM 84A1024L device is not
selected via the RENB signal.
Any-PHY Level 3 Mode:
RVAL is driven low when the FREEDM 84A1024L device is
not selected via the RENB signal.
Function
Re-Sequencing SDRAM Chip Select Bar. RSCSB,
RSRASB, RSCASB, and RSWEB define the command
being sent to the SDRAM.
RSCSB is updated on the rising edge of SYSCLK.
Re-Sequencing SDRAM Row Address Strobe Bar.
RSCSB, RSRASB, RSCASB, and RSWEB define the
command being sent to the SDRAM.
RSRASB is updated on the rising edge of SYSCLK.
Re-Sequencing SDRAM Column Address Strobe Bar.
RSCSB, RSRASB, RSCASB, and RSWEB define the
command being sent to the SDRAM.
RSCASB is updated on the rising edge of SYSCLK.
Re-Sequencing SDRAM Write Enable Bar. RSCSB,
RSRASB, RSCASB, and RSWEB define the command
being sent to the SDRAM.
RSWEB is updated on the rising edge of SYSCLK.
Re-Sequencing SDRAM Address. The Re-Sequencing
SDRAM address outputs identify the row address
(RSADD[12:0]) and column address (RSADD[8:0]) for the
locations accessed.
RSADD[12:0] is updated on the rising edge of SYSCLK.
Released
43
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