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IMX7DCEC датащи(PDF) 60 Page - NXP Semiconductors

номер детали IMX7DCEC
подробное описание детали  i.MX 7Dual Family of Applications Processors Datasheet
PDF  161 Pages
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производитель  NXP [NXP Semiconductors]
домашняя страница  http://www.nxp.com
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IMX7DCEC датащи(HTML) 60 Page - NXP Semiconductors

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Electrical characteristics
i.MX 7Dual Family of Applications Processors Datasheet, Rev. 7, 09/2023
NXP Semiconductors
60
Figure 17. 16-Bit Muxed A/D Mode, Synchronous Read Access, WSC=7, RADVN=1, ADH=1, OEA=0
4.8.3.4
General EIM timing—Asynchronous mode
Figure 18 through Figure 22, and Table 46 help you determine timing parameters relative to the chip
select (CS) state for asynchronous and DTACK EIM accesses with corresponding EIM bit fields and the
timing parameters mentioned above.
Asynchronous read & write access length in cycles may vary from what is shown in Figure 18 through
Figure 21 as RWSC, OEN and CSN is configured differently. See the i.MX 7Dual Application Processor
Reference Manual (IMX7DRM) for the EIM programming model.
Figure 18. Asynchronous memory read access (RWSC = 5)
Last
EIM_BCLK
EIM_ADDRxx/
EIM_WE_B
EIM_LBA_B
EIM_OE_B
EIM_EBx_B
EIM_CSx_B
Address V1
Data
Valid Address
EIM_ADxx
WE5
WE6
WE7
WE14
WE15
WE10
WE11
WE12
WE13
WE18
WE19
WE4
Last Valid Address
Address V1
D(V1)
EIM_ADDRxx/
EIM_DATAxx[7:0]
EIM_WE_B
EIM_LBA_B
EIM_OE_B
EIM_EBx_B
EIM_CSx_B
Next Address
WE39
WE35
WE37
WE32
WE36
WE38
WE43
WE40
WE31
WE44
INT_CLK
start of
access
end of
access
MAXDI
MAXCSO
MAXCO
EIM_ADxx



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