ABBDCSAC800M模块CI867K01CI857K01ABBDCSAC800M模块CI867K01CI857K01ABBDCSAC800M模块CI867K01CI857K01-------------------------------------------------------------------------------------------------------------------ADSP-TS201处理器有一个专用的SDRAM接口．可以实现与标准SDRAM6Mb，64Mb，128Mb．256Mb．512Mb的无缝连接。支持1024-，512-，256字的页面长度，通过对SDRCON寄存器的编程可实现页面长度的选择。同时SDRAM占用TS201的外部存储空间地址，通过设置／MSSD3～0来确定SDRAM的地址空间范围。本设计选用的SDRAM是HY57V561620B，页面长度为512字，将两片SDRAM拼接成32位的总线宽度，实现与TS201的无缝接口。根据不同的总线宽度，TS201的地址总线与SDRAM的连接有所不同。(1)对于32位数据总线其连接方式如下：SDRAM地址Bit9～0与TS201ADDR9～0相连；SDRAM地址Bitl0与TS201的SDA10管脚相连；SDRAM地址Bitl5～11与TS201ADDRl5～11相连。(2)对于64位数据总线，连接方式如下：SDRAM地址Bit9～0与TS201ADDRl0～1相连，TS201ADDR0悬空；SDRAM地址Bitl0与TS201的SDAl0管脚相连；SDRAM地址Bitl4～11与TS201ADDRl5～12相连。另外对于标准的SDRAM(3．3V)，TS201的地址线ADDRl5∽11都可以作为BANK的选择线。对于低功率的SDRAM(2．5V)，只有ADDRl5～14可以作为BANK的选择线。因此在进行接VI设计时一定要注意所选择SDRAM的电参数。4．2ADSP-T$201与FPGA接口本文设计的系统需要将FPGA连接在TS201的外部总线上，采用DMA中断，通过总线的方式从FPGA的***RAM(乒乓存储)中读取数字下变频后的I，Q两路数据，其连接方式如图3所示。TS201和FPGA接口其中MS0，MS1是片选信号，RD和WRL分别是读和写信号。在一个PRF周期内FPGA进行数字下变频，将I，Q数据存储到SRAM中，然后向TS201发出DMA请求，TS201将SRAM的数据采用流水线协议通过总线读入片内RAM中，进行后续的处理。再将处理完的数据以总线方式写入到FPGA内部RAM中，以便进行在线仿真或者进行后续的输出。5结语本文主要结合ADI公司的高性能ADSP-TS201的结构特点，讨论了在系统设计的过程中应该***注意的几个问题和ADSP-TS201的外部接口技术，并给出了其与SDRAM，FPGA的连接实例，对基于TigerSHARC系列DSP的应用设计具有实用的参考价值。0022505-FOXBORO0022510-FOXBORO0022705-FOXBORO0039463-FOXBORO0051189-FOXBORO101-2-FOXBORO101-4-FOXBORO10114KX-FOXBORO10115BP-FOXBORO1012-FOXBORO1014-FOXBORO111-FOXBORO111-A-FOXBORO111-A-L-FOXBORO111A-FOXBORO111AL-FOXBORO112-FOXBORO113-FOXBORO11GMBS1-FOXBORO121003D-FOXBORO1210GL-FOXBORO122-FE-FOXBORO122FE-FOXBORO123-EF-FOXBORO123EF-FOXBORO12620-FOXBORO12621-FOXBORO12622-FOXBORO127S3EA5-FOXBORO12A-FOXBORO12A-0-60C-FOXBORO12A-75-200C-FOXBORO12A060C-FOXBORO12A75200C-FOXBORO130FB-N4-FOXBORO130FB-N4-A-FOXBORO130FBN4-FOXBORO130FBN4A-FOXBORO130FD-N-FOXBORO130FD-N-C-L-FOXBORO130FD-N-ECEP-FOXBORO130FDN-FOXBORO130FDNCL-FOXBORO130FDNECEP-FOXBORO130FK-N4-C-L-FOXBORO130FK-N4-C-L/CUSTOM-FOXBORO130FK-N5-C-L/CUSTOM-FOXBORO130FKN4CL-FOXBORO130FKN4CLCUSTOM-FOXBORO130FKN5CLCUSTOM-FOXBORO130FN4-FOXBORO130K-N4-LL-FOXBORO130K-N4-LLPF/CUSTOM-FOXBORO130K-N5-ECRB-FOXBORO130KN4LL-FOXBORO130KN4LLPFCUSTOM-FOXBORO130KN4SF-FOXBORO130KN5ECRB-FOXBORO130M-N2-FOXBORO130M-N4-FOXBORO130M-N4-ECRB-FOXBORO130M-N5-FOXBORO130M-N5-D-FOXBORO130M-N5/ECRB-FOXBORO130M/N4-PR-FOXBORO130MD-N-FOXBORO130MDN-FOXBORO130MN2-FOXBORO130MN4-FOXBORO130MN4ECRB-FOXBORO130MN5-FOXBORO130MN5D-FOXBORO130MN5ECRB-FOXBORO130P-N4-FOXBORO130PD-N-FOXBORO130PDN-FOXBORO130PN4-FOXBORO130ZY-N4-FOXBORO130ZYN4-FOXBORO135B-FOXBORO135KTG-LL-FOXBORO135KTGLL-FOXBORO135S-FOXBORO135S-C-L-FOXBORO135SCL-FOXBORO135SG-FOXBORO135T-FOXBORO135T-W/102-NO-FOXBORO135TG-FOXBORO135TW102NO-FOXBORO136-FOXBORO136-1-FOXBORO136-2-FOXBORO136-4-1-FOXBORO136-4-3-FOXBORO136-5-1-FOXBORO136-7-11-FOXBORO136-7-31-FOXBORO136-7-51-FOXBORO136-7-61-FOXBORO1361-FOXBORO1362-FOXBORO13641-FOXBORO13643-FOXBORO13651-FOXBORO136711-FOXBORO136731-FOXBORO136751-FOXBORO136761-FOXBORO138LP-4-C-FOXBORO138LP4B-FOXBORO138LP4C-FOXBORO138SP-4-FOXBORO138SP-4-D-FOXBORO138SP-4-E-FOXBORO138SP4D-FOXBORO138SP4E-FOXBORO13A-FOXBORO13A1-MK2-FOXBORO13AHS2-FOXBORO13AMS2L-FOXBORO13AMS3-FOXBORO13FA-MS315-0-100WC-FOXBORO13FA1-FOXBORO13T-S04-FOXBORO13TS04-FOXBORO141GP-FOXBORO14A-FOXBORO16AA-FOXBORO1700-010-FOXBORO1700-575-FOXBORO1700010-FOXBORO1700024-FOXBORO1700575-FOXBORO1BA-EB45-M2-C2A-500-4000-FOXBORO1BAEB45M2C2A5004-FOXBORO202S-04-XXXX-FOXBORO202S-05-XSFSF-FOXBORO202S-05-XXXXX-FOXBORO202S-06-FOXBORO202S-06-AISFS-FOXBORO202S-07-FOXBORO202S-07-SSSFSSESNF-FOXBORO202S-10-SNFSFSNFSFSNFSS-FOXBORO202S-10-SNSSSNSSNSF-FOXBORO202S-10-SSNSSSNSSN-FOXBORO202S-10-SSNSSSSSSN-FOXBORO202S-10-SSSFSFSSFSFSSS-FOXBORO202S-10-SSSFSNSNSSN-FOXBORO202S-10-SSSNSNSSNS-FOXBORO202S-10-SSSSSFSFSSSS-FOXBORO202S-10-SSSSSNSNSS-FOXBORO202S04XXXX-FOXBORO202S05XSFSF-FOXBORO202S05XXXXX-FOXBORO202S06-FOXBORO202S06AISFS-FOXBORO202S07-FOXBORO202S07SSSFSSESNF-FOXBORO202S10SNFSFSNFSF-FOXBORO202S10SNSSSNSSNS-FOXBORO202S10SSNSSSNSSN-FOXBORO202S10SSNSSSSSSN-FOXBORO202S10SSSFSFSSFS-FOXBORO202S10SSSFSNSNSS-FOXBORO202S10SSSNSNSSNS-FOXBORO202S10SSSSSFSFSS-FOXBORO202S10SSSSSNSNSS-FOXBORO210-1-FOXBORO2101-FOXBORO2107225720-FOXBORO2107225761-FOXBORO210S-1-FOXBORO210S-2-FOXBORO210S1-FOXBORO210S2-FOXBORO220S-2F6-FOXBORO220S-3F6-FOXBORO220S-3F6-C-FOXBORO220S-4F6-FOXBORO220S2F6-FOXBORO220S3F6-FOXBORO220S3F6C-FOXBORO220S4F6-FOXBORO227S-3R6-FOXBORO227S3R6-FOXBORO230SE-FOXBORO230SF-FOXBORO230***-FOXBORO230***-A-FOXBORO230***-H-FOXBORO230***-S-A-FOXBORO230***-T-FOXBORO230***A-FOXBORO230***H-FOXBORO230***SA-FOXBORO230***T-FOXBORO235SA-FOXBORO235SB-FOXBORO235SJ-V-FOXBORO235SJV-FOXBORO235SK-LV-FOXBORO235SK-V-FOXBORO235SKLV-FOXBORO235SKV-FOXBORO235***-FOXBORO235***-V-FOXBORO235***V-FOXBORO250PE-FOXBORO255PK-M2N-FOXBORO255PKM2N-FOXBORO2803-KARA-OH-FOXBORO2803-SABA-TP-FOXBORO2803KARAOH-FOXBORO2803SABATP-FOXBORO2804-KARA-OS-FOXBORO2804-SBTA-TS-FOXBORO2804KARAOS-FOXBORO2804SBTATS-FOXBORO2810-SABA-TBM-G-FOXBORO2810SABATBMG-FOXBORO2A-80-33-556-8-30-FOXBORO2A-80-35557-FOXBORO2A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