MC68HC908AS60MFN MOTOROLA [Motorola, Inc], MC68HC908AS60MFN Datasheet - Page 425

• Manufacturer Part Number: MC68HC908AS60MFN
• Description: HCMOS Microcontroller Unit
• Manufacturer: MOTOROLA [Motorola, Inc]

24.8 Serial Peripheral Interface (SPI) Timing
Notes:
MC68HC908AS60 — Rev. 1.0
MOTOROLA
Num
1.
2.
3.
4.
5.
10
11
12
13
1
2
3
4
5
6
7
8
9
All timing is shown with respect to 30% V
Item numbers refer to dimensions in
f
Time to data active from high-impedance state
Bus
With 100 pF on all SPI pins
Operating frequency (Note 3)
Cycle time
Enable lead time
Enable lag time
Clock (SCK) high time
Clock (SCK) low time
Data setup time (inputs)
Data hold time (inputs)
Access time, slave (Note 4)
Slave disable time (hold time to high-impedance state)
Enable edge lead time to data valid (Note 6)
Data hold time (outputs, after enable edge)
Data valid
Data hold time (outputs)
= the currently active bus frequency for the microcontroller.
Master
Slave
Master
Slave
Master
Slave
Master
Slave
Master
Slave
Master
Slave
CPHA = 0
CPHA = 1
Master
Slave
Master
Slave
Master (before capture edge)
Master (before capture edge)
Freescale Semiconductor, Inc.
Characteristic
For More Information On This Product,
Figure 24-1
DD
Go to: www.freescale.com
Electrical Specifications
and 70% V
and
Figure
DD
,
unless otherwise noted; assumes 100 pF load on all SPI pins.
24-2.
t
t
t
t
W(SCKH)M
W(SCKH)S
W(SCKL)M
Symbol
W(SCKL)S
Serial Peripheral Interface (SPI) Timing
t
t
f
f
t
t
t
t
t
t
t
t
t
A(CP0)
A(CP1)
B
Bus(
cyc(
t
SU(M)
t
EV(M)
HO(M)
HO(S)
t
HO(M)
SU(S)
t
cyc(
EV(S)
Lead
t
H(M)
t
V(M)
H(S)
US
Lag
DIS
(
M
S
M
S
)
)
)
)
f
B
US
Min
100
100
100
15
15
50
50
45
15
90
dc
—
—
—
Electrical Specifications
2
1
5
0
0
0
0
5
/128
f
Technical Data
Max
B
f
128
B
40
20
25
10
40
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
US
US
/2
MHz
Unit
t
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
cyc
425