Fast ISP flash configuration delivered for ARM-Based FPGA SoCs

6th October 2016
Source: XJTAG
Posted By : Mick Elliott
Fast ISP flash configuration delivered for ARM-Based FPGA SoCs

XJTAG has extended the capability of its high-speed In-System Programming (ISP) technology, XJFlash by bringing the benefits of XJFlash to memory devices connected to the processor sub-system of dual ARM-Cortex-A9 based FPGAs. Using XJFlash speeds up programming times by as much as 20 times faster than existing solutions when configuring memory attached to the processor sub-systems of the industry’s leading FPGA SoCs, such as Xilinx Zynq and Altera Cyclone V SoCs, which feature dual ARM Cortex-A9 processors.

The use of FPGAs with integrated processor sub-systems is increasing. While these sub-systems are fully integrated into the FPGA fabric, they feature their own, dedicated, external non-volatile program memory, connected to the physical pins of the FPGA.

Configuring these memories in both development and production environments is normally a slow and often complex process.

With XJFlash these memories can now be configured simply and at high speed through the JTAG port of the FPGA, without the need for any additional PCB connections. With this latest development, XJFlash is now able to access and configure memory devices connected to a wider range of FPGAs.

This will significantly decrease the time taken to configure on-board memory during development, production and rework. Support for the ARM Cortex-A9 based SoCs extends to partial reconfiguration and optimised erase, delivering further productivity benefits. 

This enables memory devices to be partially erased and reconfigured without having to reprogram the entire device and also minimises the erase time when regions of a device are already blank.

XJFlash forms part of XJTAG’s portfolio of powerful JTAG tools. As well as needing no additional programming hardware, it delivers significantly faster configuration cycles than other programming technologies, for all types of non-volatile memory, including SPI, QSPI and parallel NOR Flash.

XJFlash can be used wherever XJTAG can - as part of a standalone XJTAG test system , or fully integrated into 3rd Party Test Executives (such as LabVIEW) in systems which also use other Automated Test Equipment (ATE).  

Existing licensees will automatically benefit from the expanded capabilities of XJFlash.


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