参数资料
型号: TMS320C6415TBZLZ8
厂商: TEXAS INSTRUMENTS INC
元件分类: 数字信号处理
英文描述: 64-BIT, 75.18 MHz, OTHER DSP, PBGA532
封装: 23 X 23 MM, 0.80 MM PITCH, PLASTIC, BGA-532
文件页数: 139/142页
文件大小: 2106K
代理商: TMS320C6415TBZLZ8
TMS320C6414T, TMS320C6415T, TMS320C6416T
FIXEDPOINT DIGITAL SIGNAL PROCESSORS
SPRS226M NOVEMBER 2003 REVISED APRIL 2009
96
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
SYNCHRONOUS DRAM TIMING (CONTINUED)
ECLKOUTx
CEx
ABE[7:0] or BBE[1:0]
AEA[12:3] or BEA[10:1]
AED[63:0] or BED[15:0]
AEA13 or BEA11
AOE/SDRAS/SOE
ARE/SDCAS/SADS/SRE
AWE/SDWE/SWE
AEA[22:14] or BEA[20:12]
BE1
BE2
BE3
BE4
Bank
Column
D1
D2
D3
D4
8
7
6
5
1
3
2
8
4
1
READ
PDT§
14
These C64x devices have two EMIFs (EMIFA and EMIFB). All EMIFA signals are prefixed by an “A” and all EMIFB signals are prefixed by a
“B”. Throughout the rest of this document, in generic EMIF areas of discussion, the prefix “A” or “B” may be omitted [e.g., the synchronous DRAM
memory access signals are shown as generic ( SDCAS, SDWE, and SDRAS ) instead of ASDCAS, ASDWE, and ASDRAS (for EMIFA) and
BSDCAS, BSDWE, and BSDRAS (for EMIFB)].
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) for EMIFA and EMIFB
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