Segger Microcontroller
TypeGmbH
IndustryEmbedded software
Founded1992 (1992)
HeadquartersMonheim am Rhein, Germany
ProductsMiddleware components, JTAG development tools
Websitewww.segger.com

Segger Microcontroller, founded in 1992, is a private company involved in the embedded systems industry. It provides products used to develop and manufacture four categories of embedded systems: real-time operating systems (RTOS) and software libraries (middleware), debugging and trace probes, programming tools (integrated development environment (IDE), compiler, linker), and in-system programmers (Flasher line of products). The company is headquartered in Monheim am Rhein, Germany, with remote offices in Gardner, Massachusetts; Milpitas, California; and Shanghai, China.

History

Segger Microcontroller was founded in 1992 by Rolf Segger in Hilden, Germany. The first product was the real-time operating system (RTOS), now named embOS. It was followed by emWin two years later. Initial products focused on RTOS and middleware products. However, the company later produced ISP-programming tools (Flasher) and debug probes (J-Link). In 2015, Segger introduced Embedded Studio, their cross-platform IDE for central processing units conforming to the ARM architecture, though recent versions are also used by RISC-V. All products are developed, maintained and updated in Germany except for Embedded Studio, which is primarily developed by a team of developers in the United Kingdom.

Product categories

Debug and trace probes

Segger is most noted for its J-Link family, which supports JTAG (Joint Test Action Group) and SWD (Serial Wire Debug) debug probes for microcontrollers that have older ARM cores (ARM7, ARM9, ARM11), ARM Cortex-M cores (M0, M0+, M1, M3, M4, M7, M23, M33, M85), ARM Cortex-R cores (R4, R5, R8), ARM Cortex-A cores (A5, A7, A8, A9, A12, A15, A17, A53, A72), Renesas RX, Microchip PIC32, SiLab EFM8, RISC-V.[1] It is also repackaged and sold as an OEM item[2] by Analog Devices as the mIDASLink, Atmel as the SAM-ICE, Digi International as the Digi JTAG Link, and IAR Systems as the J-Link and the J-Link KS. This is the only JTAG emulator that can add Segger's patented flash breakpoint software to a debugger to enable the setting of multiple breakpoints in flash while running on an ARM device which is typically hindered by the limited availability of hardware breakpoints.[3]

J-Trace & J-Link Models[4]
ModelHost
USB
 		Host
Ethernet
 		Host
Wi-Fi
 		Debug
connector
(Pitch)		Trace
connector
 		Target
voltage
 		Target max
interface
speed		Target max
download
speed		Target
VCOM
UART		Software
features
 		Image
 
 
J-Trace PRO Cortex-A/R/M3.0 SS1 Gbit/sNone20-pin (0.1")19-pin 0.05"1.2V to 5V50 MHz3 MByte/s2 pinsAll
J-Trace PRO Cortex-M3.0 SS1 Gbit/sNone20-pin (0.1")19-pin 0.05"1.2V to 5V50 MHz3 MByte/s2 pinsAll
J-Trace PRO RISC-V3.0 SS1 Gbit/sNone20-pin (0.1")19-pin 0.05"1.2V to 5V50 MHz3 MByte/s2 pinsAll
J-Link PRO2.0 HS100 Mbit/sNone20-pin (0.1")None1.2V to 5V50 MHz3 MByte/s2 pinsAll
J-Link ULTRA+2.0 HSNoneNone20-pin (0.1")None1.2V to 5V50 MHz3 MByte/s2 pinsAll
J-Link WiFi2.0 HSNone802.11b/g/n20-pin (0.1")None1.2V to 5V15 MHz1 MByte/s2 pinsAll
J-Link PLUS2.0 HSNoneNone20-pin (0.1")None1.2V to 5V15 MHz1 MByte/s2 pinsAll
J-Link PLUS Compact2.0 HSNoneNone20-pin (0.1")None1.2V to 5V15 MHz1 MByte/s2 pinsAll
J-Link BASE2.0 HSNoneNone20-pin (0.1")None1.2V to 5V15 MHz1 MByte/s2 pinsLimited
J-Link BASE Compact2.0 HSNoneNone20-pin (0.1")None1.2V to 5V15 MHz1 MByte/s2 pinsLimited
J-Link EDU2.0 HSNoneNone20-pin (0.1")None1.2V to 5V15 MHz1 MByte/s2 pinsLimited
J-Link EDU Mini2.0 FSNoneNone9-pin (0.1")None3.3V4 MHz0.2 MByte/sNoneLimited
J-Link OB2.0 FSNoneNoneIntegratedNoneIntegrated4 MHz0.2 MByte/sDependsLimited
  • Note: Further models are J-Link LITE ARM, J-Link LITE CortexM, J-Link LITE RX, J-Link OEM.[5]
  • Note: Software options vary by model: J-Flash, J-Flash-SPI, Ozone, RDDI, RDI, Unlimited Flash Breakponts.
  • Note: The EDU & EDU Mini models cannot be used for commercial software development, also doesn't come with J-Flash, J-Flash-SPI, RDDI, RDI options.
  • Note: Adapters and isolators are available to convert the 20-pin 0.1"/2.54mm male shrouded (box) header to another target board connector.[6]
  • Note: The compact variants are functionally identical to the standard variants

See also

References

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