IMX53IEC datasheet(128/173 Pages) FREESCALE

128 / 173 page

i.MX53 Applications Processors for Industrial Products, Rev. 6

128

Freescale Semiconductor

Electrical Characteristics

4.7.16.4

SSI Receiver Timing with External Clock

Figure 84 depicts the SSI receiver external clock timing and Table 85 lists the timing parameters for the

receiver timing with the external clock.

Figure 84. SSI Receiver External Clock Timing Diagram

Table 85. SSI Receiver Timing with External Clock

Parameter

Min

Max

Unit

External Clock Operation

SS22

(Tx/Rx) CK clock period

81.4

—

SS23

(Tx/Rx) CK clock high period

—

SS24

(Tx/Rx) CK clock rise time

—

6.0

SS25

(Tx/Rx) CK clock low period

—

SS26

(Tx/Rx) CK clock fall time

—

6.0

SS28

(Rx) CK high to FS (bl) high

-10

15.0

SS30

(Rx) CK high to FS (bl) low

—

SS32

(Rx) CK high to FS (wl) high

-10

15.0

SS34

(Rx) CK high to FS (wl) low

—

SS35

(Tx/Rx) External FS rise time

—

6.0

SS36

(Tx/Rx) External FS fall time

—

6.0

SS40

SRXD setup time before (Rx) CK low

—

SS41

SRXD hold time after (Rx) CK low

—

SS24

SS34

SS35

SS30

SS28

SS26

SS25

SS23

SS40

SS22

SS32

SS36

SS41

TXC

TXFS (bl)

TXFS (wl)

RXD

(Input)

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