|
K20P144M120SF3 Datasheet, PDF (25/80 Pages) Freescale Semiconductor, Inc – K20 Sub-Family Data Sheet | |||
|
◁ |
Symbol
Twl
Twh
Tr
Tf
Ts
Th
Peripheral operating requirements and behaviors
Table 12. Debug trace operating behaviors (continued)
Description
Low pulse width
Min.
Max.
Unit
2
â
ns
High pulse width
2
â
ns
Clock and data rise time
â
3
ns
Clock and data fall time
â
3
ns
Data setup
3
â
ns
Data hold
2
â
ns
Figure 4. TRACE_CLKOUT specifications
TRACE_CLKOUT
TRACE_D[3:0]
Ts
Th
Ts
Th
Figure 5. Trace data specifications
6.1.2 JTAG electricals
Table 13. JTAG voltage range electricals
Symbol
J1
J2
J3
Description
Operating voltage
TCLK frequency of operation
⢠JTAG
⢠CJTAG
TCLK cycle period
TCLK clock pulse width
⢠JTAG
⢠CJTAG
Min.
2.7
â
â
1/J1
100
200
Table continues on the next page...
Max.
5.5
10
5
â
â
â
â
K20 Sub-Family Data Sheet Data Sheet, Rev. 3, 2/2012.
Freescale Semiconductor, Inc.
Preliminary
Unit
V
MHz
ns
ns
ns
ns
25
|
▷ |