MC9S08QE128 FREESCALE [Freescale Semiconductor, Inc], MC9S08QE128 Datasheet - Page 27
MC9S08QE128
Manufacturer Part Number
MC9S08QE128
Description
8-Bit HCS08 Central Processor Unit
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.MC9S08QE128.pdf
(52 pages)
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3.10.3
Table 14
Freescale Semiconductor
No.
and
10
11
12
—
1
2
3
4
5
6
7
8
9
Figure 21
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
MC9S08QE128 Series Advance Information Data Sheet, Rev. 3
Figure 24
Function
describe the timing requirements for the SPI system.
Table 14. SPI Timing
t
Symbol
WSPSCK
t
SPSCK
t
t
Lead
t
t
t
t
t
f
Lag
t
t
HO
RO
t
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
27