JTAG PROBES FOR SIGNUM EMULATORS
TECHNICAL SPECIFICATIONS
9
Important Notice
The continuous normal operating voltage across the isolation barrier
can be 0 –
60VDC. The isolation voltage only represents a measure of immunity to
transient voltages—the probe
should never be used as an element of a safety isolation
system. This probe can be expected to function correctly with a few hundred volts offset
applied continuously across the isolation barrier. However, the circuitry on both sides of
the barrier is then regarded as operating at an unsafe voltage and additional
isolation/insulati
on systems must be used in accordance with safety standard
requirements.
Signum Systems shall not be liable for any damages related to the use of this probe.
JTAG TMS320 Isolation Probe
ADA-ISO-TI14
The JTAG Isolation Probe for TMS320/470/570 Devices from Texas Instruments is a full isolation JTAG
probe for JTAGjet emulators which reduces the chance of damage to the emulator associated with ground
loops, voltage spikes, electrostatic discharge (ESD) and noise on power and ground lines generated by high-
current motors and other machinery.
The probe fits between the JTAGjet emulator and the user’s target board equipped with the Texas Instruments
style 14-pin JTAG connector. The distinctive features of the ADA-ISO-TI14 include
• Support for all TMS320C2000, C5000, C6000, OMAP, DM and TMS470 / 570 devices
• Operating JTAG voltage from 3.0 V to 5.0 V (± 10%)
• Galvanic isolation up to 1000 V (peak)
*
• 50kV/µs transient immunity (typical) on JTAG lines
• ESD protection of 8kV on contact and 15kV air discharge
• Maximum JTAG clock rate up to 15MHz
1
3
5
7
9
11
13
2
4
6
8
10
12
14
TMS
TDI
PD
TDO
TCK_RET
TCK
EMU0
nTRST
GND
KEY
GND
GND
GND
EMU1
FIGURE 21 The JTAGjet TMS320 ADA-ISO-
TI14 isolation probe.
FIGURE 22 The TI14 pinout of the 14-pin JTAGjet
TMS320 isolation probe.
