Silicon Laboratories SiM3L1XX User Manual

SiM3L1 B
XX
1. Introduction
The Badger Board is controlled by Silicon Labs' SiM3L1xx, an ultra low-power Cortex-M3 microcontroller. The
entire board is powered solely by a small supercapacitor and demonstrates best-in-class low-power operation. The
board can remain running with the LCD enabled for days from as little as a 90-second charge and, under typical
use, can last up to a week from a three to five minute charge. Figure 1 shows the SiM3L1xx Badger Board.
The SiM3L1xx MCU has the following key power specs:
 175 µA/MHz active mode operation
 950 nA supply current with LCD and contrast control enabled
 Segment resetting achieves 40 percent reduction in LCD load current
 300 nA supply current with RTC in Crystal Mode
 180 nA supply current with RTC in LFO Mode
 75 nA supply current in Power Mode 8
The Silicon Labs Precision32™ SiM3L1xx 32-bit MCUs are ideal candidates for ultra low-power system designs. In
addition to providing an evaluation platform for ultra low-power LCD-based designs, the SiM3L1xx Badger Board
serves as a lower-cost, general-purpose development platform for the SiM3L1xx MCUs.
2. Relevant Documents
This document provides a hardware and software overview for the SiM3L1xx Badger Board. Additional
documentation on the Precision32 tools and MCUs can be found on the following Silicon Labs web sites:
www.silabs.com/32bit-appnotes
www.silabs.com/32bit-software
www.silabs.com/32bit-mcu
Rev. 0.2 2/13
B
A D GER OARD
Figure 1. SiM3L1xx Badger Board
Copyright © 2013 by Silicon Laboratories
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