Design

32-bit development kit for iOS accessory designs

14th April 2014
Nat Bowers
0

Designed to accelerate the development of Made for iPod/iPhone/iPad (MFi) accessories, Silicon Labs has announced a 32-bit hardware and firmware development kit which helps product manufacturers get to market quickly. Supporting the all-digital Lightning connector and protocol stack, the MFI-SIM3U1XX-DK development kit targets a wide range of accessories for iOS devices including entertainment accessories, device-powered dongles, game controllers and docking stations.

Leveraging Silicon Labs’ ARM Cortex-M3-based SiM3U microcontroller, the kit was designed as a turnkey solution to help developers simplify their Lightning-based accessory development projects and speed time to market while meeting the MFi program requirements with ease. Today’s iOS accessory manufacturers are quickly migrating their 30-pin connector-based products to the Lightning connector standard, which provides an advanced all-digital connector and re-designed protocol stack.

Silicon Labs’ 32-bit development kit provides an exceptionally cost-effective and comprehensive solution for accessory developers. It includes everything engineers need to begin developing Lightning-based accessories right away, including a hardware development board, firmware libraries and an example iOS App, which supports Appcessory-style communication between the iOS device and development board. By simplifying the development process, the 32-bit kit enables MFi licensees to focus on what matters most - the accessory application itself.

The MFI-SIM3U1XX-DK kit enables developers to reduce the cost, complexity and power consumption of accessories designed for iOS devices. The SiM3U MCU features fully-specified analog peripherals, an integrated capacitive touch sense controller, an internal 5V regulator and crystal-less USB support, which eliminates the need for discrete crystal oscillators and reduces BOM cost, component count and board space. Device-powered accessory applications benefit from the SiM3U MCU’s best-in-class power efficiency. The SiM3U MCU offers ultra-low power consumption with full analog operation down to 1.8V, achieving a 33% lower active current than in-class competitors and a five to one hundred times lower sleep current, while a low-current USB idle mode ensures the viability of device-powered accessories.

Geir Førre, Senior Vice President and General Manager, Microcontroller and Wireless Products, Silicon Labs, commented: “Today’s iOS accessory developers want a simple, efficient ‘out-of-the-box’ experience from their hardware and firmware development kits. We designed our 32-bit development kit to accelerate the iOS accessory development process, support the advanced Lightning connector, and reduce system cost and energy consumption.”

The MFI-SIM3U1XX-DK development kit is available today to MFi licensees for $149 (USD).

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