J-Link Arm - Segger J-Link User Manual

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1.3.2

J-Link ARM

J-Link is a JTAG emulator designed for ARM cores. It connects
via USB to a PC running Microsoft Windows 2000 or later. For a
complete list of all operating systems which are supported,
please refer to Supported OS on page 21. J-Link has a built-in
20-pin JTAG connector, which is compatible with the standard
20-pin connector defined by ARM.
1.3.2.1 Additional features
• Direct download into flash memory of most popular micro-
controllers supported
• Full-speed USB 2.0 interface
• Serial Wire Debug supported *
• Serial Wire Viewer supported *
• Download speed up to 720 KBytes/second **
• JTAG speed up to 12 MHz
• RDI interface available, which allows using J-Link with RDI
compliant software
* = Supported since J-Link hardware version 6
** = Measured with J-Link Rev.5, ARM7 @ 50 MHz, 12MHz JTAG
speed.
1.3.2.2 Specifications
The following table gives an overview about the specifications (general, mechanical,
electrical) for J-Link ARM. All values are valid for J-Link ARM hardware version 8.
Supported OS
Electromagnetic compatibility (EMC)
Operating temperature
Storage temperature
Relative humidity (non-condensing)
Size (without cables)
Weight (without cables)
USB interface
Target interface
Power supply
Target interface voltage (V
Target supply voltage
Target supply current
Reset Type
Reset low level output voltage (V
Table 1.1: J-Link ARM specifications
J-Link / J-Trace (UM08001)
Available interfaces
JTAG/SWD Interface, Electrical
)
IF
OL
For the whole target voltage range (1.8V <= V
CHAPTER 1
General
For a complete list of all operating sys-
tems which are supported, please refer
to Supported OS on page 21.
EN 55022, EN 55024
+5°C ... +60°C
-20°C ... +65 °C
Max. 90% rH
Mechanical
100mm x 53mm x 27mm
70g
USB 2.0, full speed
JTAG 20-pin
(14-pin adapter available)
USB powered
Max. 50mA + Target Supply current.
1.2V ... 5V
4.5V ... 5V (if powered with 5V on USB)
Max. 300mA
Open drain. Can be pulled low or
tristated.
) V <= 10% of V
OL
© 2004-2011 SEGGER Microcontroller GmbH & Co. KG
Introduction
IF
<= 5V)
IF