8.10.00 J-TRACE ARM Segger Microcontroller Systems, 8.10.00 J-TRACE ARM Datasheet - Page 168

• Manufacturer Part Number: 8.10.00 J-TRACE ARM
• Description: JTAG EMULATOR ARM7/ARM9 ETM
• Manufacturer: Segger Microcontroller Systems
• Type: Emulatorr

Specifications of 8.10.00 J-TRACE ARM

• Contents: Emulation Module
• For Use With/related Products: ARM7, ARM9
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 899-1006

168
7.8.1
7.8.2
7.8.3
7.8.4
7.8.4.1 Flash erasing
7.8.5
7.8.5.1 Option byte programming
7.8.5.2 Read-protection
J-Link / J-Trace (UM08001)
If you experience problems with a particular device, do not hesitate to contact Seg-
ger.
These devices are ARM7TDMI based.
All devices of this family are supported by J-Link.
These devices are ARM7TDMI based.
All devices of this family are supported by J-Link.
These devices are ARM7TDMI-S based.
All devices of this family are supported by J-Link.
These device are ARM966E-S based.
All devices of this family are supported by J-Link.
The devices have 3 TAP controllers built-in. When starting J-Link.exe, it reports 3
JTAG devices. A special tool, J-Link STR9 Commander (JLinkSTR91x.exe) is available
to directly access the flash controller of the device. This tool can be used to erase the
flash of the controller even if a program is in flash which causes the ARM core to
stall. For more information about the J-Link STR9 Commander, please refer to J-Link
STR91x Commander (Command line tool) on page 79.
When starting the STR91x commander, a command sequence will be performed
which brings MCU into Turbo Mode.
"While enabling the Turbo Mode, a dedicated test mode signal is set and controls the
GPIOs in output. The IOs are maintained in this state until a next JTAG instruction is
send." (ST Microelectronics)
Enabling Turbo Mode is necessary to guarantee proper function of all commands in
the STR91x Commander.
These device are Cortex-M3 based.
All devices of this family are supported by J-Link.
we suggest to perform the programming of the option bytes directly from the target
application. J-Link (or an additional software tool like J-Flash) does not support pro-
gramming of the option bytes.
The user area internal flash of the STM32 devices can be protected against read by
untrusted code. In order to unsecure a read-protected STM32 device, SEGGER offers
a free command line tool which overrides the read-protection of a STM32 device. For
more information about the J-Link STM32 Commander, please refer to J-Link STM32
Commander (Command line tool) on page 81.
Note:
STR 71x
STR 73x
STR 75x
STR91x
STM32
J-Flash ARM supports securing and unsecuring a STM32 device, too.
CHAPTER 7
© 2004-2011 SEGGER Microcontroller GmbH & Co. KG
Device specifics