J-Link / J-Trace (UM08001) © 2004-2017 SEGGER Microcontroller GmbH & Co. KG
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1.3.7 J-Link Lite CortexM
J-Link Lite CortexM is a specific OEM-version of SEGGER J-Link
Lite which is designed to be used with Cortex-M devices. If you
are selling evaluation-boards, J-Link Lite CortexM is an inex-
pensive emulator solution for you. Your customer receives a
widely acknowledged JTAG/SWD-emulator which allows to start right away with
development.
• Very small form factor
• Fully software compatible to J-Link
• Any Cortex-M0/M0+/M1/M3/M4 core supported
•JTAG clock up to 4 MHz
• SWD, SWO supported
• Flash download into supported MCUs
• Standard 9- or 19-pin 0.05'' Samtec FTSH connector
• 3.3V target interface voltage
1.3.7.1 Specifications
The following table gives an overview about the specifications (general, mechanical,
electrical) for J-Link Lite Cortex-M.
General
Supported OS
For a complete list of all operating sys-
tems which are supported, please refer
to Supported OS on page 29.
Electromagnetic compatibility (EMC) EN 55022, EN 55024
Operating temperature +5°C ... +60°C
Storage temperature -20°C ... +65 °C
Relative humidity (non-condensing) Max. 90% rH
Size (without cables) 41mm x 34mm x 8mm
Weight (without cables) 6g
Mechanical
USB interface USB 2.0, full speed
Target i n t e r f ace
19-pin 0.05'' Samtec FTSH connector
9-pin 0.05'' Samtec FTSH connector
JTAG/SWD Interface, Electrical
Power supply
USB powered
Max. 50mA + Target Supply current.
Target interface voltage (V
IF
)
3.3V
Target supply voltage 4.5V ... 5V
Target supply current Max. 300mA
LOW level input voltage (V
IL
) Max. 40% of V
IF
HIGH level input voltage (V
IH
) Min. 60% of V
IF
JTAG/SWD Interface, Timing
Data input rise time (T
rdi
)
Max. 20ns
Data input fall time (T
fdi
)
Max. 20ns
Data output rise time (T
rdo
)
Max. 10ns
Data output fall time (T
fdo
)
Max. 10ns
Clock rise time (T
rc
)
Max. 10ns
Clock fall time (T
fc
)
Max. 10ns
Table 1.5: J-Link Lite Cortex-M specifications