參數(shù)資料
型號: MCIMX27
廠商: 飛思卡爾半導體(中國)有限公司
英文描述: Multimedia Applications Processor(多媒體應用處理器)
中文描述: 多媒體應用處理器(多媒體應用處理器)
文件頁數(shù): 70/118頁
文件大小: 1159K
代理商: MCIMX27
i.MX27 Data Sheet, Advance Information, Rev. 0.1
70
Preliminary—Subject to Change Without Notice
Freescale Semiconductor
Signal Descriptions
Figure 35. Read Accesses Timing Diagram—PSHT=1, PSST=1
3.5.15
SDRAM (DDR and SDR) Memory Controller
Figure 36
,
Figure 37
,
Figure 38
,
Figure 39
,
Figure 40
, and
Figure 41
depict the timings pertaining to the
ESDCTL module, which interfaces Mobile DDR or SDR SDRAM.
Table 36
,
Table 37
,
Table 38
,
Table 39
,
Table 40
, and
Table 41
list the timing parameters.
Table 35. PCMCIA Write and Read Timing Parameters
Symbol
Parameter
Min
Max
Unit
PSHT
PCMCIA strobe hold time
0
63
clock
PSST
PCMCIA strobe set up time
1
63
clock
PSL
PCMCIA strobe length
1
128
clock
HCLK
HADDR
ADDR 1
CONTROL
CONTROL 1
RWDATA
DATA read 1
HREADY
HRESP
OKAY
OKAY
OKAY
A[25:0]
ADDR 1
D[15:0]
WAIT
REG
REG
OE/WE/IORD/IOWR
CE1/CE2
RD/WR
POE
PSST
PSHT
PSL
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