Table 6. Debug trace operating behaviors (continued)
Symbol
Description
Min.
Max.
Unit
t
s
Data setup
3
—
ns
t
h
Data hold
2
—
ns
Figure 7. TRACE_CLKOUT specifications
Th
Ts
Ts
Th
TRACE_CLKOUT
TRACE_D[3:0]
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
f
TCLK
0
f
Bus
/4
Hz
2
D
External clock
period
t
TCLK
4
—
t
cyc
3
D
External clock
high time
t
clkh
1.5
—
t
cyc
4
D
External clock
low time
t
clkl
1.5
—
t
cyc
5
D
Input capture
pulse width
t
ICPW
1.5
—
t
cyc
Switching specifications
MC9S08PA60 Series Data Sheet, Rev. 1, 10/9/2012.
Freescale Semiconductor, Inc.
15