Datasheet

6.1.2 JTAG electricals
Table 13. JTAG limited voltage range electricals
Symbol Description Min. Max. Unit
Operating voltage 2.7 3.6 V
J1 TCLK frequency of operation
Boundary Scan
JTAG and CJTAG
Serial Wire Debug
0
0
0
10
25
50
MHz
J2 TCLK cycle period 1/J1 ns
J3 TCLK clock pulse width
Boundary Scan
JTAG and CJTAG
Serial Wire Debug
50
20
10
ns
ns
ns
J4 TCLK rise and fall times 3 ns
J5 Boundary scan input data setup time to TCLK rise 20 ns
J6 Boundary scan input data hold time after TCLK rise 0 ns
J7 TCLK low to boundary scan output data valid 25 ns
J8 TCLK low to boundary scan output high-Z 25 ns
J9 TMS, TDI input data setup time to TCLK rise 8 ns
J10 TMS, TDI input data hold time after TCLK rise 1 ns
J11 TCLK low to TDO data valid 17 ns
J12 TCLK low to TDO high-Z 17 ns
J13 TRST assert time 100 ns
J14 TRST setup time (negation) to TCLK high 8 ns
Table 14. JTAG full voltage range electricals
Symbol Description Min. Max. Unit
Operating voltage 1.71 3.6 V
J1 TCLK frequency of operation
Boundary Scan
JTAG and CJTAG
Serial Wire Debug
0
0
0
10
20
40
MHz
J2 TCLK cycle period 1/J1 ns
Table continues on the next page...
Peripheral operating requirements and behaviors
K20 Sub-Family Data Sheet Data Sheet, Rev. 7, 02/2013.
Freescale Semiconductor, Inc. 25