ARM Cortex-M3-Based MCUs feature low-power design.
Press Release Summary:
Incorporating ARM Cortex-M3 R2P0 low-power core, 4th generation Stellaris MCUs also include External Peripheral Interface with modes to support SDRAM, SRAM/Flash, Host-Bus, and M2M. Units have Integrated Interchip Sound Interface, second watchdog timer with independent clock, and 16 MHz software-trimmed 1% precision oscillator. Single-cycle RAM up to 96 KB for data efficiency is featured as well as 32 channels of Direct Memory Access support for peripherals.
Original Press Release:
4th Generation of Stellaris Microcontrollers Released
Nine New ARM Cortex-M3-based Microcontrollers Unveiled in Low Power 130nm Technology
New Stellaris family members add a number of compelling new features, including a versatile External Peripheral Interface (with modes to support SDRAM, SRAM/Flash, Host-Bus, and M2M), an Integrated Interchip Sound (I2S) Interface, simultaneous dual ADC capability, a second watchdog timer with independent clock for safety critical applications (supported by the IEC 60730 library addition to the StellarisWare(TM) Library), and a 16 MHz software-trimmed 1% Precision Oscillator.
In addition, these new products offer valuable enhancements to the Stellaris family, such as faster ARM Cortex-M3 speed options up to 125 DMIPS (100 MHz), incorporation of the new ARM Cortex-M3 R2P0 low power core, extended on-chip software in ROM, increased single-cycle RAM up to 96KB for data efficiency, and 32 channels of Direct Memory Access (DMA) support expanded to more peripherals. The Stellaris family's already-speedy UARTs have been augmented with LIN support, ISO 7816 support, full modem capability, and increased speeds up to 12.5 Mbps.
Embedded programmers will appreciate the useful new End of Transmission interrupt capabilities on the enhanced UART and SSI peripherals.
New MCUS available in the 2700, 2B00, 5700, 5B00 and the all new 9000 Series
