mcf51jm128 Freescale Semiconductor, Inc, mcf51jm128 Datasheet - Page 34

• Manufacturer Part Number: mcf51jm128
• Description: Mcf51jm128 Coldfire Microcontroller Flexis 32-bit V1 Coldfire? Usb Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Preliminary Electrical Characteristics
2.12
Table 20
34
and
1
2
3
4
SPI Characteristics
Num
Refer to
All timing is shown with respect to 20% V
timing assumes slew rate control disabled and high drive strength enabled for SPI output pins.
Time to data active from high-impedance state.
Hold time to high-impedance state.
Figure 18
10
11
12
1
2
3
4
5
6
7
8
9
1
Figure 18
C
through
Operating frequency
Cycle time
Enable lead time
Enable lag time
Clock (SPSCK) high time Master and
Slave
Clock (SPSCK) low time Master and
Slave
Data setup time (inputs)
Data hold time (inputs)
Access time, slave
Disable time, slave
Data setup time (outputs)
Data hold time (outputs)
through
Figure 21
MCF51JM128 ColdFire Microcontroller, Rev. 0
Characteristic
Figure
Table 20. SPI Electrical Characteristic
describe the timing requirements for the SPI system.
3
4
21.
DD
2
and 70% V
Master
Master
Master
Master
Master
Master
Master
Master
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
DD
Symbol
t
t
t
t
t
t
t
t
SCKH
SCKL
, unless noted; 100 pF load on all SPI pins. All
t
t
SI(M)
HI(M)
t
t
SI(S)
HI(S)
Lead
Lead
t
t
t
t
t
SCK
SCK
f
f
Lag
Lag
HO
HO
t
SO
SO
dis
op
op
A
f
1/2 t
1/2 t
Bus
/2048dc
SCK
SCK
Min
–10
–10
1/2
1/2
30
30
30
30
25
25
—
—
—
2
4
0
– 25
– 25
f
f
2048
Bus
Bus
Max
1/2
1/2
—
—
—
40
40
—
—
—
—
—
—
—
—
—
—
Freescale Semiconductor
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t
t
SCK
SCK
Unit
t
t
CK
CK
Hz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
cyc
cyc
t
t
S
S