Segger J-Link - Flasher ARM

J-Link / J-Trace (UM08001) © 2004-2017 SEGGER Microcontroller GmbH & Co. KG
45
1.3.10 Flasher ARM
Flasher ARM is a programming tool for microcontrollers with on-
chip or external Flash memory and ARM core. Flasher ARM is
designed for programming flash targets with the J-Flash soft-
ware or stand-alone. In addition to that Flasher ARM has all of
the J-Link functionality. For more information about Flasher
ARM, please refer to UM08007, Flasher ARM User’s Guide.
1.3.10.1 Specifications
The following table gives an overview about the specifications
(general, mechanical, electrical) for Flasher ARM.
General
Supported OS
For a complete list of all operating sys-
tems which are supported, please refer
to Supported OS on page 19.
Mechanical
USB interface USB 2.0, full speed
Target interface JTAG/SWD 20-pin
JTAG Interface, Electrical
Power supply
USB powered
Max. 50mA + Target Supply current.
Target interface voltage (V
IF
)
1.2V ... 5V
Target supply voltage 4.5V ... 5V (if powered with 5V on USB)
Target supply current Max. 300mA
For the whole target voltage range (1.8V <= V
IF
<= 5V)
LOW level input voltage (V
IL
) Max. 40% of V
IF
HIGH level input voltage (V
IH
) Min. 60% of V
IF
For 1.8V <= V
IF
<= 3.6V
LOW level output voltage (V
OL
) with a
load of 10 kOhm
Max. 10% of V
IF
HIGH level output voltage (V
OH
) with a
load of 10 kOhm
Min. 90% of V
IF
For 3.6 <= V
IF
<= 5V
LOW level output voltage (V
OL
) with a
load of 10 kOhm
Max. 20% of V
IF
HIGH level output voltage (V
OH
) with a
load of 10 kOhm
Min. 80% of V
IF
SWD Interface, Electrical
Power supply
USB powered
Max. 50mA + Target Supply current.
Target interface voltage (V
IF
)
1.2V ... 5V (SWD interface is 5V tolerant
but can output a maximum of 3.3V SWD
signals)
Target supply voltage 4.5V ... 5V (if powered with 5V on USB)
Table 1.8: Flasher ARM specifications