MCIMX503CVM8B datasheet(93/134 Pages) FREESCALE

93 / 134 page

Electrical Characteristics

i.MX50 Applications Processors for Consumer Products, Rev. 2

Freescale Semiconductor

4.9.9.3

SSI Transmitter Timing with External Clock

Figure 53 depicts the SSI transmitter external clock timing and Table 67 lists the timing parameters for the

transmitter timing with external clock.

Figure 53. SSI Transmitter External Clock Timing Diagram

Table 67. SSI Transmitter 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

36.0

—

SS24

(Tx/Rx) CK clock rise time

—

6.0

SS25

(Tx/Rx) CK clock low period

36.0

—

SS26

(Tx/Rx) CK clock fall time

—

6.0

SS27

(Tx) CK high to FS (bl) high

–10.0

15.0

SS29

(Tx) CK high to FS (bl) low

10.0

—

SS31

(Tx) CK high to FS (wl) high

–10.0

15.0

SS33

(Tx) CK high to FS (wl) low

10.0

—

SS37

(Tx) CK high to STXD valid from high impedance

—

15.0

SS38

(Tx) CK high to STXD high/low

—

15.0

SS45

SS33

SS24

SS26

SS25

SS23

Note: SRXD Input in Synchronous mode only

SS31

SS29

SS27

SS22

SS44

SS39

SS38

SS37

SS46

TXC

(Input)

TXFS (bl)

(Input)

TXFS (wl)

(Input)

TXD

(Output)

RXD

(Input)

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