mcf51cn128 Freescale Semiconductor, Inc, mcf51cn128 Datasheet - Page 29

• Manufacturer Part Number: mcf51cn128
• Description: Mcf51cn128 Coldfire Microcontroller Cover Mcf51cn128
• Manufacturer: Freescale Semiconductor, Inc

3.12.3
Table 19
Freescale Semiconductor
No.
and
10
11
12
—
1
2
3
4
5
6
7
8
9
Figure 23
SPI Timing
C
D
D
D
D
D
D
D
D Slave access time
D Slave MISO disable time
D
D
D
D
Operating frequency
SPSCK period
Enable lead time
Enable lag time
Clock (SPSCK) high or low time
Data setup time (inputs)
Data hold time (inputs)
Data valid (after SPSCK edge)
Data hold time (outputs)
Rise time
Fall time
Master
Slave
Master
Slave
Master
Slave
Master
Slave
Master
Slave
Master
Slave
Master
Slave
Master
Slave
Master
Slave
Input
Output
Input
Output
through
Figure 26
MCF51CN128 ColdFire Microcontroller Data Sheet, Rev. 4
Function
describe the timing requirements for the SPI system.
Table 19. SPI Timing
t
Symbol
WSPSCK
t
SPSCK
t
t
Lead
t
t
t
t
t
f
Lag
t
t
t
HO
RO
SU
dis
FO
op
t
t
HI
RI
FI
a
v
f
t
t
Bus
cyc
cyc
Min
1/2
1/2
15
15
25
—
—
—
—
—
—
—
—
/2048
0
2
4
1
1
0
0
0
– 30
– 30
1024 t
t
t
cyc
cyc
f
f
2048
Max
Bus
Bus
25
25
25
25
—
—
—
—
—
—
—
—
—
—
—
—
1
1
– 25
– 25
Electrical Characteristics
/2
/4
cyc
t
t
SPSCK
SPSCK
Unit
t
t
t
t
t
t
Hz
Hz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
cyc
cyc
cyc
cyc
cyc
cyc
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