
i.MX27 and i.MX27L Data Sheet, Rev. 1.8
54
Freescale Semiconductor
Electrical Characteristics
4.3
Timing Diagrams
lists the timing parameters. The values shown in timing diagrams were tested using a worst case core
voltage of 1.1 V, slow pad voltage of 2.68 V, and fast pad voltage of 1.65 V.
Figure 13. CSPI Master Mode Timing Diagram
Figure 14. CSPI Slave Mode Timing Diagram
t1
t10
t3
t2
SSn
SCLK
MOSI
MISO
CSPI1_RDY
(input)
(output)
t8
t6
t4
t5
t7
t9
(output)
t11
t12
t13
t1’
t10
t3’
t2’
SCLK
MISO
MOSI
t4
t5’
t7’
(Input)
t11
t12
t13
t6’
SSn
(Input)