mc9s08ac32 Freescale Semiconductor, Inc, mc9s08ac32 Datasheet - Page 323

• Manufacturer Part Number: mc9s08ac32
• Description: Hcs08 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

A.11
Table A-14
Freescale Semiconductor
SPI Characteristics
1
2
3
4
5
and
Num
Maximum baud rate must be limited to 5 MHz due to pad input characteristics.
Refer to
All timing is shown with respect to 20% V
pins. All 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.
10
11
1
2
3
4
5
6
7
8
9
Figure A-15
1
Figure A-15
C
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
through
Characteristic
Table A-14. SPI Electrical Characteristic
MC9S08AC60 Series Data Sheet, Rev. 2
Figure A-18
Figure
4
5
3
A-18.
2
Master
Master
Master
Master
Master
Master
Master
Master
DD
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
describe the timing requirements for the SPI system.
and 70% V
Appendix A Electrical Characteristics and Timing Specifications
Symbol
t
t
t
t
t
t
t
t
SCKH
SCKL
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
SO
SO
HO
HO
t
dis
op
op
A
DD
, unless noted; 100 pF load on all SPI
1/2 t
1/2 t
f
Bus
SCK
SCK
Min
–10
–10
1/2
1/2
dc
30
30
30
30
25
25
—
—
—
/2048
2
4
0
– 25
– 25
f
f
2048
Bus
Bus
Max
1/2
1/2
—
—
—
—
—
—
—
—
—
40
40
—
—
—
—
/2
/4
t
t
t
t
Unit
SCK
SCK
SCK
SCK
t
t
Hz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
cyc
cyc
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