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Epson launches new ultra-low power 16-bit flash microcontroller S1C17W23

4 November 2013

Seiko Epson Corporation ("Epson", TSE: 6724) has announced that it has developed and begun shipping samples of the S1C17W23, another 16-bit flash microcontroller capable of driving 1344-dot matrix high-resolution displays by achieving low power consumption of 4-bit flash microcontrollers.

Recently, there is a growing demand for flash memory microcontrollers with ultra low power consumption for applications like high-performance watches, remote controls, health care devices, security tokens or small portable electronic devices that are powered by coin cell batteries. Also functions for those applications where measuring temperature, humidity and step counting is requested are increasing last years to achieve higher performance and create add on values for customers. In order to achieve higher performance, more vivid images, the S1C17W23 features a 1344-dot matrix LCD driver and offer an built-in 96kB flash ROM to store display data etc. Beside that the new 16-bit microcontroller can still operate at 1.2V and offers an integrated hardware Real-Time Clock (RTC) to reduce software and hardware development. By incorporating these functions on a single chip, Epson has developed a microcontroller that consumes only 70-80% of the power used by previous configurations [1], making the S1C17W23 ideal for applications that run on small coin cell batteries.

To achieve such ultra low power consumption values, S1C17W23 offers system power efficiency-boosting algorithms and more power modes than previous configurations [1]. Standby energy consumption is just 0.15 µA at 3 V. S1C17W23 also achieves low power current of just 0.3 µA in 32 kHz halt mode and 4 µA in 32 kHz run mode [2] by an internal DC/DC step-down converter, which optimizes the micro controller’s internal operating voltage.

Special features of S1C17W23:

1.  Low voltage and ultra low-power consumption for longer battery lifetime

-  Low voltage operation guaranteed from 1.2V to 3.6V
-  Ultra low power consumption
• 0,15µA in sleep mode
• 0,3µA in halt mode (32.768kHz)
• 4µA in run mode (32.768kHz)
• 250µA in run mode (1 MHz)

-  On-chip 96kB flash memory
-  Available as bare chip and TQFP15-128 package
2.  Wide range of peripherals

-  Integrated LCD dot matrix driver supporting 72x8, 64x16 or 56x24
-  R/F converter: 24-bit counter, DC/AC drive switch, 2ch
-  Integrated Real-Time Clock: Counter for years (takes into account leap years), days of the week, dates, hours, minutes, and seconds; 1ch
-  12-bit ADC, 1ch
-  Operational amplifier/comparator, 2ch
-  Various timer circuits
-  Serial interface, UART and I²C support
-  Sound generator
-  Universal port multiplexers offering a greater degree of design freedom for board layout
-  Switching between GPIO and segment terminal functions possible
-  Supply voltage detection circuit of 30 levels from 1.2V-3.6V accurate of 2.5% (-40°C to 85°C)
-  IR remote controller capable of infrared remote control output

For documentation and further details about the S1C17W23, please see the following link:

For more information, please contact:

Riesstrasse 15,
80992 München,

Tel:  +49 89 14005 0
Fax:  +49 89 14005 110
Email: info@epson-electronics.de
Web:  www.epson-electronics.de
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