MCIMX25_09 Datasheet, PDF (53/132 Pages) Freescale Semiconductor, Inc – i.MX25 Applications Processor for Consumer and Industrial Products

SSn
(output)
RDY
(input)
SCLK
(output)
MOSI
MISO
t8
t6
t1
t10 t11
t12 t13
t2 t3
t7 t5
t9
t4 t4
Figure 23. CSPI Master Mode Timing Diagram
SSn
(input)
SCLK
(input)
MISO
MOSI
t6’
t1’
t10 t11
t12 t13
t7’ t5’
t2’ t3’
t4 t4
t14
t14
Figure 24. CSPI Slave Mode Timing Diagram
Table 39. CSPI Interface Timing Parameters
ID
Parameter Description
t1
CSPI master SCLK cycle time
t2
CSPI master SCLK high time
t3
CSPI master SCLK low time
t1’
CSPI slave SCLK cycle time
t2’
CSPI slave SCLK high time
t3’
CSPI slave SCLK low time
Symbol
t_clko
t_clkoH
t_clkoL
t_clki
t_clkiH
t_clkiL
Minimum
60.2
22.65
22.47
60.2
30.1
30.1
Maximum
—
—
—
—
—
—
Units
ns
ns
ns
ns
ns
ns
i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 2
Freescale Semiconductor
53