Flexis™AC
Complete USB Solution
Electromechanical compatibility (EMC) and electromechanical interference (EMI) are critical concerns for developers designing in “noisy” environments that contain numerous electrical components in close proximity. To address this design challenge, Freescale Semiconductor has introduced a scalable microcontroller (MCU) family designed to help engineers cut through the noise in large appliance and industrial applications.
Freescale’s Flexis™ AC family features 8-bit devices (MC08AC128/96/60/48/32) and 32-bit V1 ColdFire® MCUs (MCF51AC256/128) designed to provide exceptional EMC/EMI performance and an array of on-chip peripherals to help reduce component count, system complexity and overall system cost. As the third member of Freescale’s Flexis series of 8- to 32-bit pin-, peripheral- and software-compatible MCUs, the AC family offers an upward migration path from existing Freescale 8-bit MC9S08AW products.
Ideal solution for large appliance and industrial control
The Flexis AC family is an optimal choice for a single-chip motor control and human-machine interface (HMI) solution in white goods applications, such as washing machines, dryers, refrigerators, dishwashers and other major appliances. The product family is also scalable and flexible enough to meet the needs of a wide range of general industrial applications, from factory automation to building control to HVAC systems.
The Flexis AC devices’ outstanding EMC/EMI performance at 5V enables designers to create cost-effective and electromechanically quieter systems by reducing the number of required external components for these applications.
Intelligent peripherals for high performance, reduced cost
To help enable basic to advanced motor control, the Flexis AC devices feature three time/pulse-width modulators (TPM) on the 8-bit S08AC128/96 devices and an advanced 16-bit FlexTimer module on the 32-bit MCF51AC256/128 ColdFire MCUs designed to simplify the control of complex solutions.
The ColdFire V1 devices offer the performance and peripherals to handle sophisticated motor control algorithms while simultaneously driving touch-screen user interfaces based on Freescale’s proximity sensing software. As a result, developers need only one 32-bit Flexis MCU to drive the entire appliance application, which helps reduce component count, system cost and time to market. The ColdFire MCUs also feature a controller area network (CAN) bus for network connectivity and the ability to synchronize the analog-to-digital controller (ADC) and the FlexTimer module for best-in-class motor control.
To enhance system integrity, security and reliability, the Flexis AC MCUs integrate a wide range of hardware and software system protection features. These safety features help manufacturers of automatic controls used in large appliance and industrial equipment comply with key regulations, such as the IEC 60730 class B regulation for safe, reliable operation of electronic controls in household appliances. Additional features, such as active power-on reset, low voltage detection and low voltage warning, help protect against system failure caused by brownouts. These on-chip features make the Flexis AC family one of the most robust MCU offerings in its class.
Appliance and industrial design made easy
Freescale offers a comprehensive support and training ecosystem of development tools, reference designs, application notes, software examples and webcasts. To help developers get their boards up and running quickly and easily, Freescale offers the DEMOACKIT, a flexible and cost-effective evaluation system for the Flexis AC family. The DEMOACKIT contains the 8- and 32-bit Flexis AC daughter cards and includes a built-in USB BDM, LEDs, a serial port, an acceleration sensor and an I/O header.
Freescale also offers the DEMOACEX expansion board, which plugs into the DEMOACKIT and allows developers to take advantage of the additional performance and integration features, such as CAN, offered by the 32-bit solution.
The Flexis AC MCUs are supported by a complimentary version of CodeWarrior® Development Studio for Microcontrollers v6.1, an integrated tool suite that supports software development for Freescale’s 8-bit or 32-bit MCUs. Designers can further accelerate applications development with the help of the Processor Expert™ tool, an award-winning rapid application development tool in the CodeWarrior tool suite.
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