Electronic Design
Dev Kits: Getting Synergy

Dev Kits: Getting Synergy

Renesas’ Synergy family of ARM Cortex-M microcontrollers ranges from the Cortex-M0+ S1 to the Cortex-M4 S7.

Renesas’ Synergy environment encompasses a family of ARM Cortex-M microcontrollers and its supporting software and third party support. The initial announcement provided insights to the hardware and technology, but it was not until the 2015 Renesas Developer Conference that the average developer was able to get their hands on it. There is a range of platforms ranging from promotional hardware to full development kits (Fig. 1).

1. The Synergy kits span a range of cost, features, and interfaces.

The Synergy family of ARM Cortex-M microcontrollers ranges from the Cortex-M0+ S1 to the Cortex-M4 S7. The chips have a robust design with advanced power management support. They also come with a range of integrated software that exceeds the typical package associated with most microcontrollers.

The environment starts with the Eclipse-based e2 Studio IDE. Express Logic’s ThreadX real-time operating system, which has been customized for the hardware as is Express Logic’s middleware that includes support such as NetX networking and the GUIX graphical interface. Support packages like the TraceX analysis tool are part of the mix as well.

Renesas provides a verified and integrated third-party selection of tools and services up through the cloud with support for environments like Zebra’s Zatar cloud service. Zatar supports the ARM mbed IoT environment. The mbed client software support is part of Renesas’ solution.

2. The DK-S7G2 Development Kit is based on the Synergy S7G2 ARM Cortex-M4 microcontroller.

One example of the high-end development kits is the DK-S7G2 (Fig. 2). It is based on the Synergy S7 ARM Cortex-M4 microcontroller with a 240 MHz core. It has Ethernet, CAN, and USB support as well as parity on the SRAM. The chip has a true random number generator and support for 256-bit AES. On the analog side, there are 12-bit ADCs and DACs plus half a dozen high-speed comparators and an 18-channel capacitive touch unit that works with displays driven by the 2D drawing engine. On-chip memory includes 640 Kbytes of SRAM, 64 Kbytes of data flash, and 4 Mbytes of code flash.

The board exposes the processor’s interface pins and adds features like Bluetooth Low Energy (BLE) 4.0, a detachable camera interface, and 4 PMOD connectors (Fig. 3). It also augments storage with off-chip 16 Mbyte SRAM, 16 Mbyte QSPI flash, and a 2 Gbyte eMMC chip. An on-board J-Link system provides debug support. There is a detachable 4.3-in. LCD with capacitive touch support.

3. The DK-S7G2 Development Kit adds a 4.3-in. capacitive touch LCD, BLE 4.0, and off-chip memory.

 

TAGS: Mobile IoT
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