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MCU 32-bit ARM Cortex M0+ RISC 32KB Flash 1.8V/2.5V/3.3V 32-Pin QFN EP Tray
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ATSAMD20E15A-MU Product Details
– ARM Cortex-M0+ CPU running at up to 48MHz
• Single-cycle hardware multiplier
– 16/32/64/128/256KB in-system self-programmable Flash
– 2/4/8/16/32KB SRAM Memory
– Power-on reset (POR) and brown-out detection (BOD)
– Internal and external clock options with 48MHz Digital Frequency
Locked Loop (DFLL48M)
– External Interrupt Controller (EIC)
– 16 external interrupts
– One non-maskable interrupt
– Two-pin Serial Wire Debug (SWD) programming, test and
• Low Power
– Idle and standby sleep modes
– SleepWalking peripherals
– 8-channel Event System
– Up to five 16-bit Timer/Counters (TC), configurable as either:
• One 16-bit TC with two compare/capture channels
• One 8-bit TC with two compare/capture channels
• One 32-bit TC with two compare/capture channels, by using two TCs
– 32-bit Real Time Counter (RTC) with clock/calendar function
– Watchdog Timer (WDT)
– CRC-32 generator
– Up to six Serial Communication Interfaces (SERCOM), each configurable to operate as
• USART with full-duplex and single-wire half-duplex configuration
• Inter-Integrated Circuit (I2C) up to 400kHz
• Serial Peripheral Interface (SPI)
– One 12-bit, 350ksps Analog-to-Digital Converter (ADC) with up to 20 channels
• Differential and single-ended input
• 1/2x to 16x programmable gain stage
• Automatic offset and gain error compensation
• Oversampling and decimation in hardware to support 13-, 14-, 15- or 16-bit resolution
– 10-bit, 350ksps Digital-to-Analog Converter (DAC)
– Two Analog Comparators (AC) with window compare function
– Peripheral Touch Controller (PTC)
• 256-Channel capacitive touch and proximity sensing
– Up to 52 programmable I/O pins
– 64-pin TQFP, QFN
– 64-ball UFBGA
– 48-pin TQFP, QFN
– 45-ball WLCSP
– 32-pin TQFP, QFN
• Operating Voltage
– 1.62V – 3.63V
• Power Consumption
– Down to 70µA/MHz in active mode
– Down to 8µA running the Peripheral Touch Controller
The Atmel® | SMART™ SAM D20 is a series of low-power microcontrollers using the 32-bit ARM® Cortex® - M0+ processor, and ranging from 32- to 64-pins with up to 256KB Flash and 32KB of SRAM.
The SAM D20 devices operate at a maximum frequency of 48MHz and reach 2.46 CoreMark/MHz.
They are designed for simple and intuitive migration with identical peripheral modules, hex compatible code, identical linear address map and pin compatible migration paths between all devices in the product series.
All devices include intelligent and flexible peripherals, Atmel Event System for inter-peripheral signaling, and support for capacitive touch button, slider and wheel user interfaces.
The SAM D20 devices provide the following features: In-system programmable Flash, eight-channel Event System, programmable interrupt controller, up to 52 programmable I/O pins, 32-bit real-time clock and calendar, up to eight 16-bit Timer/Counters (TC) .
The timer/counters can be configured to perform frequency and waveform generation, accurate program execution timing or input capture with time and frequency measurement of digital signals.
The TCs can operate in 8- or 16-bit mode, selected TCs can be cascaded to form a 32-bit TC.
The series provide up to six Serial Communication Modules (SERCOM) that each can be configured to act as an USART, UART, SPI, I2C up to 400kHz, up to twenty-channel 350ksps 12-bit ADC with programmable gain and optional oversampling and decimation supporting up to 16-bit resolution, one 10-bit 350ksps DAC, two analog comparators with window mode, Peripheral Touch Controller supporting up to 256 buttons, sliders, wheels and proximity sensing; programmable Watchdog Timer, brown-out detector and power-on reset and two-pin Serial Wire Debug (SWD) program and debug interface.
All devices have accurate and low-power external and internal oscillators.
All oscillators can be used as a source for the system clock. Different clock domains can be independently configured to run at different frequencies, enabling power saving by running each peripheral at its optimal clock frequency, and thus maintaining a high CPU frequency while reducing power consumption.
The SAM D20 devices have two software-selectable sleep modes, idle and standby.
In idle mode the CPU is stopped while all other functions can be kept running.
In standby all clocks and functions are stopped expect those selected to continue running.
The device supports SleepWalking.
This feature allows the peripheral to wake up from sleep based on predefined conditions, and thus allows the CPU to wake up only when needed, e.g. when a threshold is crossed or a result is ready.
The Event System supports synchronous and asynchronous events, allowing peripherals to receive, react to and send events even in standby mode.
The Flash program memory can be reprogrammed in-system through the SWD interface. The same interface can be used for non-intrusive on-chip debug of application code.
A boot loader running in the device can use any communication interface to download and upgrade the application program in the Flash memory.
The SAM D20 devices are supported with a full suite of program and system development tools, including C compilers, macro assemblers, program debugger/simulators, programmers and evaluation kits.
- ARM Cortex-M0+ CPU running at up to 48MHz
- Single-cycle hardware multiplier
- 32KB in-system self-programmable Flash
- 4KB SRAM memory
- Power-on reset (POR) and brown-out detection (BOD)
- Internal and external clock options with 48MHdigital frequency locked loop (DFLL48M) and 48MHto 96MHz
- fractional digital phase locked loop (FDPLL96M)
- External interrupt controller (EIC)
- 16 external interrupts
- One non-maskable interrupt
- Two-pin serial wire debug (SWD) programming, test and debugging interface
- Idle and standby sleep modes
- SleepWalking peripherals
- 8-channel event system
- Five 16-bit timer/counters (TC), configurable as either:
- One 16-bit TC with compare/capture channels
- One 8-bit TC with compare/capture channels
- One 32-bit TC with compare/capture channels, by using two TCs
- 32-bit real time counter (RTC) with clock/calendar function
- Watchdog timer (WDT)
- CRC-32 generator
- Up to six serial communication interfaces (SERCOM), each configurable to operate as either:
- USART with full-duplex and single-wire half-duplex configuration
- I2C up to 40kHz
- One 12-bit, 350ksps analog-to-digital converter (ADC) with 10 channels
- Differential and single-ended input
- 1/2x to 16x programmable gain stage
- Automatic offset and gain error compensation
- Oversampling and decimation in hardware to support 13-, 14-, 15- or 16-bit resolution
- 10-bit, 350ksps digital-to-analog converter (DAC)
- Two analog comparators (AC) with window compare function
- Peripheral Touch Controller (PTC)
- 256-channel capacitive touch and proximity sensing
- 26 GPIO pins
- 32-pin TQFP, QFN
- 1.62V to 3.63V
- Down to 70µA/MHz in active mode
- Down to 8µA running the peripheral Touch Controller
- –40 to +105°C
(Picture:Pinout / Diagram)
- Core Processor
- ARM? Cortex?-M0+
- Core Size
- I2C, SPI, UART/USART
- Brown-out Detect/Reset, POR, WDT
- Number of I/O
- Program Memory Size
- 32KB (32K x 8)
- Program Memory Type
- RAM Size
- 4K x 8
- Voltage Supply (Vcc/Vdd)
- 1.62V ~ 3.6V
- Data Converters
- A/D 10x12b; D/A 1x10b
- Oscillator Type
- Operating Temperature
- -40??C ~ 85??C (TA)
- Mounting Type
- Surface Mount
- Package / Case
- 32-VFQFN Exposed Pad
- Supplier Device Package
- 32-QFN (5x5)
ATSAMD20E15 Technical Documentation of Application Note
ATSAMD20E15A-MU Related Products
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