Atmel SAM L21 Xplained Pro Manual Download Page 3

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Atmel Corporation

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Regulators & oscillators

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Multiple power sources and clocking options

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Flexible sleep modes

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Scale performance & power consumption

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Event System and Sleepwalking

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Multiple Domains

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Power & clock gating

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picoPower peripherals

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SERCOM, PTC & TC

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Low power analog

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Ultra Low power Process

The worlds lowest power Cortex-M0+ Micro

Design methodology for picoPower devices

Overview of SAM L21 Power Domains

Summary of Contents for SAM L21 Xplained Pro

Page 1: ...2015 Atmel Corporation 1 Atmel SAM L21 picoPower Cortex M0 Microcontrollers...

Page 2: ...tra Low Power Large Flash and SRAM Cortex M0 Designed with emphasis on Low active mode power consumption Smart Low power peripherals Industry leading RAM retention numbers Leveraging two decades of At...

Page 3: ...eep modes Scale performance power consumption Event System and Sleepwalking Multiple Domains Power clock gating picoPower peripherals SERCOM PTC TC Low power analog Ultra Low power Process The worlds...

Page 4: ...remark 103uA MHz SAM L21 35uA MHz Most competitors are in the 120 160 uA MHz range for their comparable devices SAM D21 sleep mode with RAM retention and RTC 3 8uA SAM L21 0 9uA No other vendors offer...

Page 5: ...nged to Sequencing More flexible than input scan Inputs do not need to be in a continuous sequence input 3 4 5 6 It is possible to select specific inputs to scan from lowest to highest inputs 3 5 6 14...

Page 6: ...d resolution Can max be performed at 1Msps 16 62500 sps Will have to use one event channel and one TC in order to work If you are converting a 44Ksps 16 bit signal this can give you a 16 bit conversio...

Page 7: ...8 2015 Atmel Corporation Support for write while read WWR Less overhead for emulated EEPROM Makes FW upgrades easier Updated Peripherals NVM...

Page 8: ...celerator was added to reduce CPU load and reduce overall power consumption Overall power consumption of the module was reduced The PTC is located in the low power domain and can remain powered while...

Page 9: ...B module can put the microcontroller in any sleep mode when the USB bus is idle and a suspend condition is given Upon bus resume the USB module can wake the microcontroller from any sleep mode Updated...

Page 10: ...OR NOR XOR XNOR NOT Sequential Logic Functions Gated D Flip Flop JK Flip Flop gated D Latch RS Latch Flexible LookUp Table Inputs Selection I Os Events Internal Peripherals Subsequent LUT Output Outpu...

Page 11: ...8 192 256 bit keys supported Encryption time of 57 67 77 cycles with 128 bit 192 bit 256 bit cryptographic key Automatic or manual start Automatic conversion starts when input register is filled with...

Page 12: ...d Diehard RandomTests Suites When enabled generates a new 32 bit random number every 84 CLK_TRNG_APB cycles Optional Interrupt when a new random number is available Can be used to generate inputs for...

Page 13: ...ts with internal feedback resistors Internal resistors are muxable to form different resistor OpAmp circuits Inputs available GPIO pins DAC Ground Output available On GPIO pins Can be used as Input fo...

Page 14: ...bps Functional in sleep mode Connected to DMA Message reception in standby Operational in standby sleep Limit DMA or CPU resources used lower power Built in logic Built in buffer picoPower SEROM is Op...

Page 15: ...on BOD33 or Automatic Power Switch can switch the backup domain to VBAT pin automatically Retains battery backup registers and RTC Backup domain can be forced to run from VBAT pin New low power featur...

Page 16: ...n is kept powered RTC BOD WDT 32kHz clock sources and wake up from external pins OFF Core and backup domains are powered off Cannot be entered if WDT is running Reset pin only source of wakeup Regulat...

Page 17: ...2015 Atmel Corporation 19 SAM L21 Tools...

Page 18: ...0 2015 Atmel Corporation Xplained Pro with power measurements Full support in Atmel Studio and ASF Appnotes Example code and projects QTouch support for Buttons Slider Wheels Surface Tools for SAM L21...

Page 19: ...d visualization Support power profiling on SAML21 using SAML21 XPRO board Demonstrate low power modes of SAML21 Program Counter values included to track power consumers in your application SAM L21 too...

Page 20: ...eration 40 C 85 C temp grade Ultra low power analog 12 bit 1 Msps ADC 12 bit DAC 2 analog comparators 3x op amp Peripheral Touch Controller 32 bit RTC with calendar mode AES TRNG 12 ch Event system an...

Page 21: ...23 Atmel SMART SAM L22 Ultra low power segment LCD Controller...

Page 22: ...party compilers IDE SW Tools inlcuding IAR and Keil Targeted for segment LCD and or Battery powered applications Industries first Ultra Low Power Large Flash and SRAM Cortex M0 segment LCD Controller...

Page 23: ...logic and SRAM retention and LCD 3 4 s wake up time Standby with RTC 1 5uA Inclusive logic and SRAM retention 3 4 s wake up time Backup with RTC 600nA No SRAM retention 4x32 bit backup registers 95 s...

Page 24: ...c 1 1 1 2 1 3 1 4 1 6 1 8 Flexilibity for different segment LCDs All SLCD Pins can also be used as GPIOs On the 100Pin device 8 SLCD Pins are only GPI Of 52 SLCD I O lines the user can select up to 48...

Page 25: ...ower consumption trough DMA Sleepwalking Interrupt request and event output for display update Switch from regular to low power waveform Blinking Automated Character Mapping ACM Automated Bit Mapping...

Page 26: ...28 2015 Atmel Corporation SAM L22 Segment LCD Controler Advantages and Features Automated Character Mapping ACM uses DMA Automated Bit Mapping ABM uses DMA Blinking ACM ABM ACM ABM Blink...

Page 27: ...ll segments Blink selected segments Up to 16 segments connected to SEG0 SEG1 and COM0 to COM7 Available in Sleep and Active mode Selectable blink frequency Reduce interrupt frequency Reduce power cons...

Page 28: ...ADC 20ch ADC PTC Pins Mutual X x Y Self Cap Y 10x11 13 13x14 19 16x16 24 GPIOs Up to 36 GPIOs Up to 50 GPIOs Up to 82 GPIOs Package 48 pin TQFP and QFN 64 pin TQFP and QFN 100 pin TQFP and VFBGA SAM L...

Page 29: ...31 2015 Atmel Corporation SAM L22 Tools...

Page 30: ...Corporation Display extension with SLCD1 XPRO Full support in Atmel Studio and ASF Appnotes Example code and projects QTouch support for Buttons Slider Wheels Surface Tools for SAM L22 ATSAML22 XPRO...

Page 31: ...2015 Atmel Corporation 33 Demonstration Data Visualizer...

Page 32: ...MITED TO THE IMPLIED WARRANTY OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR NON INFRINGEMENT IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT INDIRECT CONSEQUENTIAL PUNITIVE SPECIAL OR INCIDE...

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