English
Language : 

MC9S08QE32_09 Datasheet, PDF (22/46 Pages) Freescale Semiconductor, Inc – 8-Bit HCS08 Central Processor Unit (CPU)
Electrical Characteristics
Table 13. TPM Input Timing
No. C
Function
1
D External clock frequency
2
D External clock period
3
D External clock high time
4
D External clock low time
5
D Input capture pulse width
Symbol
Min
fTCLK
0
tTCLK
4
tclkh
1.5
tclkl
1.5
tICPW
1.5
tclkh
tTCLK
TCLK
tclkl
Figure 15. Timer External Clock
TPMCHn
tICPW
Max
fBus/4
—
—
—
—
Unit
Hz
tcyc
tcyc
tcyc
tcyc
TPMCHn
tICPW
Figure 16. Timer Input Capture Pulse
3.10.3 SPI Timing
Table 14 and Figure 17 through Figure 20 describe the timing requirements for the SPI system.
Table 14. SPI Timing
No. C
Function
Operating frequency
— D Master
Slave
SPSCK period
1 D Master
Slave
Enable lead time
2 D Master
Slave
Enable lag time
3 D Master
Slave
Symbol
fop
tSPSCK
tLead
tLag
Min
fBus/2048
0
2
4
1/2
1
1/2
1
Max
fBus/21
fBus/4
2048
—
—
—
—
—
Unit
Hz
tcyc
tcyc
tSPSCK
tcyc
tSPSCK
tcyc
MC9S08QE32 Series MCU Data Sheet, Rev. 6
22
Freescale Semiconductor