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Two new microcontroller series offer power consumption reductions and integrated EEPROM

March 02, 2012 | Paul Buckley | 222904214
Two new microcontroller series offer power consumption reductions and integrated EEPROM NXP Semiconductors N.V. has released the LPC1100XL microcontroller series featuring extra-low power. With the industry’s lowest active power consumption at 110 uA/MHz and reduced deep sleep current below 2 µA, the LPC1100XL has set a new benchmark for low-power ARM Cortex-M0 microcontrollers.
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NXP has also unveiled the companys new LPC11E00 series for space-constrained applications requiring dedicated EEPROM. The LPC11E00 extends the range of options available in the NXP Cortex-M0 portfolio, including integrated USB, CAN, Segment LCD and now EEPROM.

The reductions in power consumption in the LPC1100XL are complemented by on-chip power profiles an industry implementation of real-time power management. Optimized for CPU performance, efficiency and lowest active current, the power profiles enable maximum operating frequency through the entire voltage range from 1.8 V to 3.6 V without compromising speed or functionality, making the LPC1100XL suitable for all low-power 8/16-bit applications.

The LPC1100XL incorporates NXPs proprietary embedded flash which extends solutions to 64 KB while incorporating 256 bytes of page erase. The 256-byte page-erase feature significantly improves the efficiency and ease of use of the on-chip flash, allowing for seamless field updates without having to erase a large sector to write the next page.

The new LPC11E00 series features 4 KB of integrated EEPROM for space-constrained applications such as medical and industrial measuring devices. This removes the need for external serial EEPROM, saving up to 15 mm 2 of PCB real estate and reducing electrical interconnect, while providing the added security of the microcontroller. The LPC11E00 with 10K SRAM and 32 KB Flash is a feature-rich solution and maximizes connectivity with 2 SSP, USART with smart card interface and I 2 C Fm+ and 54 GPIO pins.

The on-chip ROM in the LPC11E00 series includes a 32-bit divide library with an API interface offering several times the arithmetic performance of software-based libraries, as well as a highly deterministic cycle time combined with reduced Flash code size. Access to the 4 KB EEPROM on the LPC11E00 is simplified with an API interface which is also integrated in on-chip ROM.

The LPC1100XL and LPC11E00 series is supported by a wide range of third-party development tools, as well as NXPs LPCXpresso development platform. LPCXpresso features a powerful Eclipse-based IDE with an intuitive NXP-designed user interface, optimized Cortex-M0 compiler and libraries. Designed for simplicity and ease of use, LPCXpresso gives designers a quick and easy way to work with the microcontrollers, enabling anyone to develop with Cortex-M0.

Availability

The LPC1100XL series is available today in 48K, 56K and 64K Flash options. These devices are currently available in distribution worldwide. Additional family members and package configurations will be available at the end of Q2 2012.

The LPC11E00 series is available in distribution.

More information about the LPC1100XL and LPC11E00 at
www.nxp.com/products/microcontrollers/cortex_m0/lpc1100_x_l/

www.nxp.com/products/microcontrollers/cortex_m0/lpc11e00/


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