mcf51mm256 Freescale Semiconductor, Inc, mcf51mm256 Datasheet - Page 40

• Manufacturer Part Number: mcf51mm256
• Description: 32-bit Coldfire V1 Central Processor Unit
• Manufacturer: Freescale Semiconductor, Inc

Preliminary Electrical Characteristics
3.13
Table 22
40
No.
1
2
3
4
5
6
7
8
9
and
SPI Characteristics
1
SPSCK period
Slave MISO disable time
Operating frequency
Enable lead time
Enable lag time
Clock (SPSCK) high or low time
Data setup time (inputs)
Data hold time (inputs)
Slave access time
Figure 15
Characteristic
through
3
TPMxCHn
TPMxCHn
Figure 18
4
Figure 14. Timer Input Capture Pulse
2
Master
Master
Master
Master
Master
Master
Master
Slave
Slave
Slave
Slave
Slave
Slave
Slave
describe the timing requirements for the SPI system.
Table 22. SPI Timing
t
Symbol
WSPSCK
t
SPSCK
t
t
t
t
ICPW
ICPW
Lead
t
t
t
f
Lag
t
t
SU
SU
dis
op
t
HI
HI
a
f
t
t
Bus
cyc
cyc
Min
1/2
1/2
15
15
25
—
—
/2048
0
2
4
1
1
0
– 30
– 30
1024 t
f
f
2048
Max
Bus
Bus
—
—
—
—
—
—
—
—
—
—
1
1
/2
/4
cyc
Freescale Semiconductor
t
t
SPSCK
SPSCK
Unit
t
t
t
t
t
t
Hz
Hz
ns
ns
ns
ns
ns
ns
cyc
cyc
cyc
cyc
cyc
cyc
C
D
D
D
D
D
D
D
D
D