MK20X512VMC100 查看數據表（PDF） - Freescale Semiconductor

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MK20X512VMC100

Up to 100 MHz ARM Cortex-M4 core with DSP instructions delivering 1.25 Dhrystone MIPS per MHz

Freescale Semiconductor 

Peripheral operating requirements and behaviors

6.1.1 Debug trace timing specifications

Table 10. Debug trace operating behaviors

Symbol

Tcyc

Twl

Twh

Tr

Tf

Ts

Th

Description

Clock period

Low pulse width

High pulse width

Clock and data rise time

Clock and data fall time

Data setup

Data hold

Min.

Max.

Frequency dependent

2

—

2

—

—

3

—

3

3

—

2

—

Unit

MHz

ns

ns

ns

ns

ns

ns

Figure 3. TRACE_CLKOUT specifications

TRACE_CLKOUT

TRACE_D[3:0]

Ts

Th

Ts

Th

Figure 4. Trace data specifications

6.1.2 JTAG electricals

Table 11. JTAG limited voltage range electricals

Symbol

J1

Description

Operating voltage

TCLK frequency of operation

• Boundary Scan

• JTAG and CJTAG

• Serial Wire Debug

Min.

2.7

0

0

0

Max.

3.6

10

25

50

Unit

V

MHz

Table continues on the next page...

K20 Sub-Family Data Sheet Data Sheet, Rev. 4, 3/2011.

20

Preliminary

Freescale Semiconductor, Inc.

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