Datasheet

Serial Peripheral Interface (SPI) Timing
56F8356 Technical Data, Rev. 13
Freescale Semiconductor 153
Preliminary
10.10 Serial Peripheral Interface (SPI) Timing
Table 10-18 SPI Timing
1
Characteristic Symbol Min Max Unit See Figure
Cycle time
Master
Slave
t
C
50
50
—
—
ns
ns
10-10, 10-11,
10-12, 10-13
Enable lead time
Master
Slave
t
ELD
—
25
—
—
ns
ns
10-13
Enable lag time
Master
Slave
t
ELG
—
100
—
—
ns
ns
10-13
Clock (SCK) high time
Master
Slave
t
CH
17.6
25
—
—
ns
ns
10-10, 10-11,
10-12, 10-13
Clock (SCK) low time
Master
Slave
t
CL
24.1
25
—
—
ns
ns
10-13
Data set-up time required for inputs
Master
Slave
t
DS
20
0
—
—
ns
ns
10-10, 10-11,
10-12, 10-13
Data hold time required for inputs
Master
Slave
t
DH
0
2
—
—
ns
ns
10-10, 10-11,
10-12, 10-13
Access time (time to data active from
high-impedance state)
Slave
t
A
4.8 15 ns
10-13
Disable time (hold time to high-impedance state)
Slave
t
D
3.7 15.2 ns
10-13
Data Valid for outputs
Master
Slave (after enable edge)
t
DV
—
—
4.5
20.4
ns
ns
10-10, 10-11,
10-12, 10-13
Data invalid
Master
Slave
t
DI
0
0
—
—
ns
ns
10-10, 10-11,
10-12
Rise time
Master
Slave
t
R
—
—
11.5
10.0
ns
ns
10-10, 10-11,
10-12, 10-13