Atmel"s SAM4L series is a member of a family of Flash microcontrollers based on the high per formance 32-bit ARM Cortex-M4 RISC processor running at frequencies up to 48MHz.
The processor implements a Memory Protection Unit (MPU) and a fast and flexible interrupt controller for supporting modern and real-time operating systems.
Features
• Core
– ARM® CortexTM-M4 running at up to 48MHz
– Memory Protection Unit (MPU)
– Thumb®-2 instruction set
• picoPower® Technology for Ultra-low Power Consumption
– Active mode downto 90µA/MHz with configurable voltage scaling
– High performance and efficiency: 28 coremark/mA
– Wait mode downto 3µA with fast wake-up time (<1.5µs) supporting SleepWalking
– Full RAM and Logic Retention mode downto 1.5µA with fast wake-up time (<1.5µs)
– Ultra low power Backup mode with/without RTC downto 1,5/0.9µA
• Memories
– From 128 to 512Kbytes embedded Flash, 64-bit wide access,
• 0 wait-state capability up to 24MHz
– up to 64Kbytes embedded SRAM
• System Functions
– Embedded voltage linear and switching regulator for single supply operation
– Two Power-on-Reset and Two Brown-out Detectors (BOD)
– Quartz or ceramic resonator oscillators: 0.6 to 30MHz main power with Failure
Detection and low power 32.768 kHz for RTC or device clock
– High precision 4/8/12MHz factory trimmed internal RC oscillator
