參數(shù)資料
型號: TMX32C6411ZLZ
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號處理
英文描述: FIXED POINT DIGITAL SIGNAL PROCESSOR
中文描述: 定點數(shù)字信號處理器
文件頁數(shù): 83/119頁
文件大?。?/td> 1742K
代理商: TMX32C6411ZLZ
SPRS196H MARCH 2002 REVISED JULY 2004
83
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
SYNCHRONOUS DRAM TIMING (CONTINUED)
ECLKOUTx
CEx
BE[3:0]
EA[12:3]
ED[31:0]
EA13
AOE/SDRAS/SOE
ARE/SDCAS/SADS/SRE
AWE/SDWE/SWE
EA[22:14]
BE1
BE2
BE3
BE4
Bank
Column
D1
D2
D3
D4
8
7
6
5
5
5
1
3
2
8
4
4
4
1
READ
PDT
14
14
PDTR/W
ARE/SDCAS/SADS/SRE, AWE/SDWE/SWE, and AOE/SDRAS/SOE operate as SDCAS, SDWE, and SDRAS, respectively, during SDRAM
accesses.
PDT signal is only asserted when the EDMA is in PDT mode (set the PDTS bit to 1 in the EDMA options parameter RAM). For PDT read, data
is not latched into EMIF. The PDTRL field in the PDT control register (PDTCTL) configures the latency of the PDT signal with respect to the data
phase of a read transaction. The latency of the PDT signal for a read can be programmed to 0, 1, 2, or 3 by setting PDTRL to 00, 01, 10, or 11,
respectively. PDTRL equals 00 (zero latency) in Figure 27.
Figure 27. SDRAM Read Command (CAS Latency 3)
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