MC9S08QG8_09 Datasheet, PDF (280/314 Pages) Freescale Semiconductor, Inc – HCS08 Microcontrollers

Appendix A Electrical Characteristics
Table A-10. TPM/MTIM Input Timing
Function
External clock frequency
External clock period
External clock high time
External clock low time
Input capture pulse width
Symbol
Min
f_TCLK
0
t_TCLK
4
t_clkh
1.5
t_clkl
1.5
t_ICPW
1.5
Max
f_Bus/4
—
—
—
—
Unit
Hz
t_cyc
t_cyc
t_cyc
t_cyc
t_clkh
t_TCLK
TCLK
t_clkl
Figure A-11. Timer External Clock
TPMCHn
t_ICPW
TPMCHn
t_ICPW
Figure A-12. Timer Input Capture Pulse
A.8.3 SPI Timing
Table A-11 and Figure A-13 through Figure A-16 describe the timing requirements for the SPI system.
Table A-11. SPI Timing
No.
Function
Operating frequency
Master
Slave
1 SPSCK period
Master
Slave
2 Enable lead time
Master
Slave
3 Enable lag time
Master
Slave
Symbol
f_op
t_SPSCK
t_Lead
t_Lag
Min
f_Bus/2048
0
2
4
1/2
1
1/2
1
Max
f_Bus/2
f_Bus/4
2048
—
—
—
—
—
Unit
Hz
t_cyc
t_cyc
t_SPSCK
t_cyc
t_SPSCK
t_cyc
MC9S08QG8 and MC9S08QG4 Data Sheet, Rev. 5
278
Freescale Semiconductor