DS643 Datasheet, PDF (198/216 Pages) Xilinx, Inc – Soft Direct Memory Access (SDMA) support

LogiCORE IP Multi-Port Memory Controller (v6.06.a)
Table 96: PLB PIM Latency and Throughput (Cont’d)
Pipeline
Settings
Memory Interface NPI Width
PLB Burst
Type
Default
DDR@83 MHz 16 bits
32
16 Words
All Pipelines Off DDR@83 MHz 16 bits
32
16 Words
Virtex-4/Virtex-5 FPGA Reads
Default
DDR2@200 MHz 32 bits
64
16 Doublewords
Default
DDR2@200 MHz 64 bits
64
16 Doublewords
Default
DDR@100 MHz 32 bits
64
16 Doublewords
All Pipelines Off DDR@100 MHz 32 bits
64
16 Doublewords
Virtex-4/Virtex-5 FPGA Writes
Default
DDR2@200 MHz 32 bits
64
16 Doublewords
Default
DDR2@200 MHz 64 bits
64
16 Doublewords
Default
DDR@100 MHz 32 bits
64
16 Doublewords
All Pipelines Off DDR@100 MHz 32 bits
64
16 Doublewords
Virtex-6 FPGA Reads
Default
DDR3 @ 400 MHz 32 bits
64
16 Doublewords
Default
DDR3 @ 400 MHz 32 bits
64
16 Doublewords
Default
DDR3 @ 400 MHz 32 bits
32
16 Words
Default
DDR3 @ 400 MHz 16 bits
64
16 Doublewords
None
DDR3 @ 400 MHz 32 bits
64
16 Doublewords
Virtex-6 FPGA Writes
Default
DDR3 @ 400 MHz 32 bits
64
16 Doublewords
Default
DDR3 @ 400 MHz 32 bits
64
16 Doublewords
Default
DDR3 @ 400 MHz 32 bits
32
16 words
Default
DDR3 @ 400 MHz 16 bits
64
16 Doublewords
None
DDR3 @ 400 MHz 32 bits
64
16 Doublewords
Spartan-6 FPGA Reads
Default
DDR3 @ 400 MHz 16 bits
64
16 Doublewords
Default
DDR3 @ 400 MHz 16 bits
32
16 Words
Default
DDR2 @ 400 MHz 16 bits
64
16 Doublewords
Default
DDR2 @ 400 MHz 16 bits
32
16 Words
Spartan-6 FPGA Writes
Default
DDR3 @ 400 MHz 16 bits
64
16 Doublewords
Default
DDR3 @ 400 MHz 16 bits
32
16 Words
Default
DDR2 @ 400 MHz 16 bits
64
16 Doublewords
Default
DDR2 @ 400 MHz 16 bits
32
16 Words
Memory to
PLB Clock
Ratio
1:1
1:1
Initial
Transaction
Latency (PLB
Clocks)
4
4
Maximum
Total Data
Throughput of
a PLB Port
(MB/s)
111
111
2:1
16
556
2:1
16
556
1:1
25
508
1:1
21
532
2:1
4
355
2:1
4
399
1:1
4
320
1:1
4
320
4:1
18
555
2:1
34
917
4:1
18
278
4:1
18
555
4:1
16
556
4:1
N/A
398
2:1
N/A
630
4:1
N/A
210
4:1
N/A
354
4:1
N/A
399
8:1
10
278
8:1
10
139
5:1
16
376
5:1
16
188
8:1
N/A
198
8:1
N/A
106
5:1
N/A
267
5:1
N/A
143
DS643 February 22, 2013
www.xilinx.com
198
Product Specification