Switching specifications
Table 6. Debug trace operating behaviors (continued)
Symbol
Description
Data setup
Data hold
Min.
Max.
—
Unit
ns
ts
th
3
2
—
ns
Figure 7. TRACE_CLKOUT specifications
TRACE_CLKOUT
TRACE_D[3:0]
Ts
Th
Ts
Th
Figure 8. Trace data specifications
5.2.3 FTM module timing
Synchronizer circuits determine the shortest input pulses that can be recognized or the
fastest clock that can be used as the optional external source to the timer counter. These
synchronizers operate from the current bus rate clock.
Table 7. FTM input timing
No.
C
Function
Symbol
Min
Max
Unit
1
D
External clock
frequency
fTCLK
0
fBus/4
Hz
2
3
4
5
D
D
D
D
External clock
period
tTCLK
tclkh
4
—
—
—
—
tcyc
tcyc
tcyc
tcyc
External clock
high time
1.5
1.5
1.5
External clock
low time
tclkl
Input capture
pulse width
tICPW
MC9S08PA60 Series Data Sheet, Rev. 1, 10/9/2012.
Freescale Semiconductor, Inc.
15
FREESCALE [ Freescale ]
