MCIMX257DJM4A Freescale, MCIMX257DJM4A Datasheet - Page 110
MCIMX257DJM4A
Manufacturer Part Number
MCIMX257DJM4A
Description
Manufacturer
Freescale
Datasheet
1.MCIMX257DJM4A.pdf
(142 pages)
Specifications of MCIMX257DJM4A
Operating Temperature (min)
-20C
Operating Temperature (max)
70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Compliant
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3.7.17.4
Figure 81
(SS22–SS41) used in the figure.
Note:
110
• All the timings for the SSI are given for a non-inverted serial clock polarity (TSCKP/RSCKP = 0) and a non-inverted frame sync
• All timings are on pads when SSI is being used for data transfer.
(TFSI/RFSI = 0). If the polarity of the clock and/or the frame sync have been inverted, all the timing remains valid by inverting
the clock signal STCK/SRCK and/or the frame sync STFS/SRFS shown in the tables and in the figures.
SS22
SS23
SS24
SS25
SS26
SS28
SS30
SS32
SS34
SS35
SS36
SS40
SS41
ID
shows the timing for SSI receiver with external clock.
(Tx/Rx) CK clock period
(Tx/Rx) CK clock high period
(Tx/Rx) CK clock rise time
(Tx/Rx) CK clock low period
(Tx/Rx) CK clock fall time
FS (bl) low/high setup before (Tx) CK falling
FS (bl) low/high setup before (Tx) CK falling
FS (wl) low/high setup before (Tx) CK falling
FS (wl) low/high setup before (Tx) CK falling
(Tx/Rx) External FS rise time
(Tx/Rx) External FS fall time
SRXD setup time before (Rx) CK low
SRXD hold time after (Rx) CK low
AUDn_TXFS (wl)
AUDn_TXFS (bl)
SSI Receiver Timing with External Clock
AUDn_RXD
AUDn_TXC
i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 6
(Input)
(Input)
(Input)
(Input)
Figure 81. SSI Receiver with External Clock Timing Diagram
SS23
Table 82. SSI Receiver Timing with External Clock
Parameter
SS28
SS22
External Clock Operation
SS32
SS35
SS30
SS40
SS26
SS25
Table 82
SS41
–10.0
–10.0
Min.
81.4
36.0
36.0
10.0
10.0
10.0
2.0
—
—
—
—
describes the timing parameters
SS24
SS34
SS36
Freescale Semiconductor
Max.
15.0
15.0
6.0
6.0
6.0
6.0
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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