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ORSPI4 Datasheet(PDF) 179 Page - Lattice Semiconductor

Part # ORSPI4
Description  Dual SPI4 Interface and High-Speed SERDES FPSC
PDF  263 Pages
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Manufacturer  LATTICE [Lattice Semiconductor]
Direct Link  http://www.latticesemi.com
Logo LATTICE - Lattice Semiconductor

ORSPI4 Datasheet(HTML) 179 Page - Lattice Semiconductor

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Lattice Semiconductor
ORCA ORSPI4 Data Sheet
179
Table 59. SPI4.2 Transmit Data Interface Timing
Figure 92 defines the timing parameters ts and th which show the setup and hold requirements at the ORSPI4
receive interface when in static mode, which are dependent on the SPI_DLYTAP register settings chosen. Values of
ts and th at all values of SPI_DLYTAP are given in Table 60.
Figure 92. SPI4.2 Receive Timing Points with Respect to Clock Edge
Symbol
Description
Min
Max
Units
tdia
ORSPI4 transmit data (TDAT[15:0], TCTL) invalid
window before clock edge (Source A)
—0
ps
tdib
ORSPI4 transmit data (TDAT[15:0], TCTL) invalid
window after clock edge (Source A)
—
400
ps
DTDCLK
TDCLK duty cycle
45%
55%
TDCLK Period
RDCLK
RDAT
(B)
Capture Edge
t
S
t
H
SPI_DLYTAP_A,B[2:0]=0
SPI_DLYTAP_A,B[2:0]=4
SPI_DLYTAP_A,B[2:0]=7
t
S
t
S
t
H
t
H



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