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STV0974 Scheda tecnica(PDF) 58 Page - STMicroelectronics

Il numero della parte STV0974
Spiegazioni elettronici  Mobile Imaging DSP
PDF  69 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STV0974 Scheda tecnica(HTML) 58 Page - STMicroelectronics

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STV0974
Electrical characteristics
5.5.4
Video output timing
5.5.5
Microprocessor read/write timing
Table 41: Video output timing (
Figure 33)
Symbol
Parameter
Min.
Typ.
Max.
Unit
tDS
Data and synchro setup timea
a. with a 12 pF capacitance
10
ns
tDH
Data and synchro hold time a
10
ns
tCKH
Clock pulse width high a
16
ns
tCKP
Clock period a
44
ns
tCKR
Clock rise timea
5ns
Figure 33: Video output timing
Table 42: Microprocessor read and write cycle timingv
Symbol
Parameter
Min.
Typ.
Max.
Unit
tAS
RS, CSN valid to RDN or WRN low
7
ns
tAH
RS, CSN hold after RDN or WRN high
7
ns
tRACC
Read access time
40
ns
tLZ
RDN high to data high impedance
15
ns
tRP
Read pulse width
40
ns
tWP
Write pulse width
45
ns
tWDS
Data setup to WRN high
35
ns
tRREC
Read recovery time
30
ns
tWREC
Write recovery time
22
ns
tZL
RDN low to data low impedance
0
ns
tRDH
RDN low to data invalid
0
ns
tWDH
Data hold after WRN high
5
ns
Data[7:0]
tDS
tCKH
tDH
tCKP
hsync/vsync
hclk
tCKR



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