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TMS              2 ? TMS               2
nTRST
3 PinandSignalMappings
Pin Name Pin Name Pin Name Pin
1 1
Name
?
nTRST
QUICK
START
GUIDE
Blackhawk?
3.3v/5.0v
Isolation
Adapters
3
5
7
9
11
TDI
TVD
TDO
RTCK
TCLK
4
6
8
10
12
GND
KEY
GND
GND
GND
3
5
7
9
11
TDI
TVD
TDO
RTCK
TCLK
4
6
8
10
12
GND
KEY
GND
GND
GND
This Quick Start Guide describes two (2) different Isolation
Adapters. Please refer to the parts of this guide that match
the type of Isolation Adapter that you have purchased and
is included.
Installation Requirements
13
EMU0
14
EMU1
13
EMU0
14
EMU1
?
Emulators with a standard TI 14-pin or compact TI 20-pin JTAG Socket.
Signals are active low
EMU3 *
?
Table 1
Standard TI 4-pin JTAG Header
15
17
19
?
nSRST 16 GND
EMU2 * 18
EMU4 * 20 GND
Signals are active low
?
TI development Board with a standard TI 14-pin or compact TI 20-pin JTAG
header and 3.3v or 5.0v IO voltages.
If you do not meet the 14-14 or 20-20 pin requirements between the emulator and target
board, you can use a 14e-20t or 20e-14t pin converter as needed.
* Not Connected
The following isolation adapters are described in this document.
Table 2
Compact TI 20-pin JTAG Header
4 Additional Information
?
?
BH-ADP-ISO14
For electrical Isolation of a target board and emulator with standard TI 14-pin JTAG con-
nection.
BH-ADP-ISO20
For electrical Isolation of a target board and emulator with compact TI 20-pin JTAG con-
nector.
The Blackhawk Isolation Adapter is compatible with all Blackhawk JTAG Emu-
lators currently in production and with most other emulators that conform to
the Texas Instruments 14 and 20-pin JTAG headers. Compatibility with target
hardware which is non-standard or existed prior to 1998 should be verified to
conform to the IEEE 1149.1 specification prior to using the adapter.
Use of the Blackhawk Isolation Adapter does not guarantee that damage will
not occur to hardware that is subjected to extreme voltage surge. Damage to
devices on the scan chain may still be possible under certain circumstances
beyond the scope of tolerances generally accepted as “normal operation”.
Blackhawk
123 Gaither Drive
Mt. Laurel, NJ 08054-1701
www.blackhawk-dsp.com
+1-877-983-4514
Features ? Benefits ? Specifications
? Supports I/O voltages of 3.3v/5.0v targets
? Works with XDS510 and XDS560-class emulators
? Designed using UL60950 and UL1577 standards
? 1,500 Vrms galvanic isolation voltage
? PCB isolation clearance and creepage distance of 4mm
? High speed operation: Up to 30MHz TCK
? 25kV/μs transient immunity
? Logic powered from target - JTAG pin 5 (TVD)
? Current consumption is 60-80 mA nominal (100 mA max)
? Digital Isolators: SI844x and ADuM1250
Important Environmental Considerations
Caution is necessary to minimize ESD (Electro-static Discharge) which can
damage electronic components. Use in a controlled environment where
4
Blackhawk is a registered trademark of EWA Technologies, Inc.
BH-ISO14_20-QS-02
ESD materials and practices are employed is highly recommended.
1
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