參數(shù)資料
型號: ADZS-BF537-ASKIT
廠商: Analog Devices Inc
文件頁數(shù): 28/68頁
文件大?。?/td> 0K
描述: BOARD EVAL SKIT ADSP-BF537
產(chǎn)品培訓模塊: Blackfin® Processor Core Architecture Overview
Blackfin® Device Drivers
Blackfin® Optimizations for Performance and Power Consumption
Blackfin® System Services
標準包裝: 1
系列: Blackfin®
類型: DSP:音頻
適用于相關產(chǎn)品: ADSP-BF537
所含物品:
相關產(chǎn)品: ADSP-BF537KBCZ-6BV-ND - IC DSP CTLR 16BIT 208CSPBGA
ADSP-BF537BBCZ-5BV-ND - IC DSP CTLR 16BIT 208CSPBGA
ADSP-BF537KBCZ-6AV-ND - IC DSP CTLR 16BIT 182CSPBGA
ADSP-BF537BBCZ-5AV-ND - IC DSP CTLR 16BIT 182CSPBGA
ADSP-BF537BBCZ-5B-ND - IC DSP CTLR 16BIT 208CSPBGA
ADSP-BF537BBC-5A-ND - IC DSP CTLR 16BIT 182CSPBGA
Rev. J
|
Page 34 of 68
|
February 2014
SDRAM Interface Timing
Table 27. SDRAM Interface Timing
Parameter
Min
Max
Unit
Timing Requirements
tSSDAT
DATA15–0 Setup Before CLKOUT
1.5
ns
tHSDAT
DATA15–0 Hold After CLKOUT
0.8
ns
Switching Characteristics
tDCAD
COMMAND
1, ADDR19–1, DATA15–0 Delay After CLKOUT
1 Command pins include: SRAS, SCAS, SWE, SDQM, SMS, SA10, SCKE.
4.0
ns
tHCAD
COMMAND
1, ADDR19–1, DATA15–0 Hold After CLKOUT
1.0
ns
tDSDAT
DATA15–0 Disable After CLKOUT
6.0
ns
tENSDAT
DATA15–0 Enable After CLKOUT
0.5
ns
tSCLK
2
2 These limits are specific to the SDRAM interface only. In addition, CLKOUT must always comply with the limits in Table 14 on Page 24.
CLKOUT Period when TJ +105
°C7.5
ns
tSCLK
CLKOUT Period when TJ +105
°C10
ns
tSCLKH
CLKOUT Width High
2.5
ns
tSCLKL
CLKOUT Width Low
2.5
ns
Figure 14. SDRAM Interface Timing
tSCLK
CLKOUT
tSCLKL
tSCLKH
tSSDAT
tHSDAT
tENSDAT
tDCAD
tDSDAT
tHCAD
tDCAD
tHCAD
DATA (IN)
DATA (OUT)
COMMAND,
ADDRESS
(OUT)
NOTE: COMMAND =
SRAS, SCAS, SWE, SDQM, SMS, SA10, SCKE.
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