
USB MCU families tackle medical applications
With more than two billion USB devices sold each year, Silicon Labs claims that the demand for easy-to-deploy USB solutions continues to rise, adding that it can be challenging to include the universal but complex interface to space-constrained, cost-sensitive embedded products, particularly for developers lacking USB software expertise.
The new USB MCU families have been developed to simplify the addition of USB connectivity to embedded designs. The families, which include 22 products with flash and one-time-programmable (OTP) options, combine a full-speed USB 2.0 interface engine with analog functionality, along with an innovative clock recovery capability to enable crystal-less USB operation for reduced component count and BOM cost.
The company claims that the C8051F38x MCU family’s enhanced analog/mixed-signal capabilities enable developers to implement high-performance USB connectivity without the extra cost of using a high-end MCU. The flash-based F38x devices are pin- and code-compatible with Silicon Labs’ existing C8051F34x USB MCUs while offering an additional I2C interface, a higher performance analog-to-digital converter (ADC), lower power consumption and additional timers.
The C8051T62x/32x OTP MCUs are more suitable for cost-sensitive USB applications, as its scalability enables developers to select the most optimized device for their application. The OTP-based USB MCUs provide many of the same peripherals and similar functionality available from Silicon Labs’ flash-based devices but at a reduced cost.
The F38x and T62x/32x families include USB MCUs featuring a high-performance ADC that enables high precision measurements, eliminating the cost of using external ADCs. The on-chip ADC and high-speed comparators perform up to five times faster than competitive offerings, easing development of analog-intensive applications such as sensor data loggers, weigh scales, gaming controls and blood pressure monitors.
For more information, visit www.silabs.com/pr/usbmcu
