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Scalable 8bit MCUs aim at automotives

Posted: 20 Mar 2008 ?? ?Print Version ?Bookmark and Share

Keywords:8bit microcontroller? flash memory? ADCs?

Freescale Semiconductor has expanded its 8bit S08SG MCU family to provide more scalable performance and memory options for cost-sensitive automotive body and chassis applications. The new family membersthe S08SG16 and S08SG32 MCUsprovide a flexible, general-purpose solution for body control modules, LIN nodes, mirror modules, window-lift, battery management systems, HVAC control, heated seat modules and others.

Operating at up to 40MHz with 16K and 32K flash memory options, the S08SG16/32

MCUs stretch the boundaries of 8bit performance. This performance, coupled with on chip timers, makes these devices suitable for motor control applications, said Freescale. The devices also are designed to enable simplified development of LIN systems through an on-chip serial communications interface (SCI). The SCI module allows LIN break detection and synchronization without the use of an external timer channel.

The S08SG16/32 devices' high level of integration helps reduce development cost, saves board space and enhances system-level quality by eliminating the need for peripheral board components, such as external clock sources. Other notable features include low voltage inhibit (LVI) circuits, voltage regulators, I/O muxes, watchdog circuits and ADCs.

Applications
The S08SG16/32 devices offer an on-chip background debug mode (BDM) capability that enables developers to perform non-intrusive debugging and emulation on the fly. The BDM feature is critical for debugging multi-MCU systems in chassis and powertrain applications without interfering with software execution.

To help streamline the design process, the S08SG16/32 MCUs are backed by a comprehensive ecosystem of hardware and software development tools. The DEMO9S08SG32AUTO demonstration board is available for a suggested retail price of $69, providing a cost-effective platform for evaluating MCU performance and features. The MCUs are also supported by Freescale's CodeWarrior Development Studio for Microcontrollers v6.1, an integrated tool suite designed to help developers take advantage of the Freescale MCUs selected for their application. Freescale also offers extensive online training to help developers get on the design fast track.

Samples of the S08SG16/32 devices are available now.





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