Renesas Synergy S1JA low-power microcontrollers

Friday, 14 December, 2018 | Supplied by: Renesas Electronics



The Renesas Synergy S1JA microcontrollers (MCUs) feature the 48 MHz Arm Cortex-M23 core and integrate programmable analog and security functions for good sensor signal acquisition and conditioning. The MCUs target low-power IIoT sensor applications such as flow control meters, multisensor systems, headless medical monitors and instrumentation systems, and single-phase electricity meters.

The group includes five MCUs with 256 KB flash memory, 32 KB SRAM memory and a wide operating voltage range of 1.6 to 5.5 V. Each MCU integrates a sensor-biasing unit that supplies power to the external sensor, and a configurable analog fabric that processes complex algorithms to maximise signal conditioning and precise analog measurements. On-chip analog components include a 16-bit analog-to-digital converter (ADC), 24-bit sigma-delta ADC, fast response 12-bit digital-to-analog converter (DAC), rail-to-rail low-offset operational amplifiers and high-speed/low-power comparators.

The MCUs enable analog configurations from basic functions to more complex analog blocks. As a result, embedded designers are able to reduce PCB size by eliminating several external analog components. Access to capacitive touch enable pins allows designers to develop touch-button HMI interfaces, and the memory mirror function enables over-the-air updates with little software overhead.

Ultralow power allows the MCUs to extend battery life for battery-operated portable and battery backup applications; their standby mode consumes a mere 500 nA to enable 20-year battery-operated applications that spend extended periods in sleep mode. In addition, the integrated AES cryptography accelerator, true random number generator (TRNG) and memory protection units provide the fundamental blocks to develop a secure system that connects to the cloud.

Online: www.renesas.com
Phone: 0011 813 6250 5500
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