ATSAMG55

Status: In Production

Features:

• picoPower
• Down to 100 µA/MHz in active
• Below 7 µA in deep sleep with SRAM retention
• Down to 3 µs wake-up from deep sleep to executing the first instruction in active mode
• Cortex-M4
• FPU
• Small package
• 3x3 mm w/ 0.4mm pitch, WLCSP 7x7 pins
• Pin compatibility across the family
• ARM Cortex-M4 with up to 16 Kbytes SRAM on I/D bus providing 0 wait state execution at up to 120 MHz
• Memory Protection Unit (MPU)
• DSP Instructions, Floating Point Unit (FPU), Thumb®-2 instruction set
• Up to 512 Kbytes embedded Flash
• Up to 176 Kbytes embedded SRAM
• 8 Kbytes ROM with embedded boot loader, single-cycle access at full speed
• Embedded voltage regulator for single-supply operation
• Power-on reset (POR) and Watchdog for safe operation
• Quartz or ceramic resonator oscillators: 3 to 20 MHz with clock failure detection and 32.768 kHz for RTT or system clock
• High-precision 8/16/24 MHz factory-trimmed internal RC oscillator. In-application trimming access for frequency adjustment
• Slow clock internal RC oscillator as permanent low-power mode device clock
• PLL range from 48 MHz to 120 MHz for device clock
• PLL range from 24 MHz to 48 MHz for USB device and USB OHCI
• Up to 30 peripheral DMA (PDC) channels
• 256-bit General-Purpose Backup Registers (GPBR)
• 16 external interrupt lines
• 49-lead WLCSP, 64-lead LQFP, 64-lead QFN
• Industrial (-40° C to +85° C)
• USART, SPI, or Two-wire Interface (TWI)
• USB 2.0 Device and USB Host OHCI with On-chip Transceiver
• 2 Inter-IC Sound Controllers (I2S)
• 2 three-channel 16-bit Timer/Counters (TC) with capture, waveform, compare and PWM modes
• 1 48-bit Real-Time Timer (RTT) with 16-bit prescaler and 32-bit counter
• 1 RTC with calendar and alarm features 1 32-bit Cyclic Redundancy Check Calculation Unit (CRCCU)
• Up to 48 I/O lines with external interrupt capability (edge or level), debouncing, glitch filtering and on-die series resistor termination. Individually programmable open-drain, pull-up and pull-down resistor and synchronous output Two PIO Controllers provide control of up to 48 I/O lines
• 1 Pulse Density Modulation Interface (PDMIC) (supports up to two microphones)  
• 12-bit ADC Module:
• One 8-channel ADC, 500 kSps Conversion Rate
• 12-bit Resolution with Enhanced Mode up to 16 bits
• Digital Averaging Function providing Enhanced Resolution Mode up to 16 bits
• Integrated Multiplexer Offering Up to 8 Independent Analog Inputs
• Standby Mode for Fast Wakeup Time Response
• Asynchronous Partial Wake-up (Sleepwalking) on external trigger
• Serial Wire/JTAG Debug Port(SWJ-DP)
• Debug access to all memories and registers in the system, including Cortex-M4 register bank when the core is running, halted, or held in reset.
• Serial Wire Debug Port (SW-DP) and Serial Wire JTAG Debug Port (SWJ-DP) debug access.
• Flash Patch and Breakpoint (FPB) unit for implementing breakpoints and code patches.
• Data Watchpoint and Trace (DWT) unit for implementing watchpoints, data tracing, and system profiling.
• Instrumentation Trace Macrocell (ITM) for support of printf style debugging.
• IEEE1149.1 JTAG Boundary-scan on all digital pins.
• ASF-Atmel software Framework – SAM software development framework
• Integrated in the Atmel Studio IDE with a graphical user interface or available as standalone for GCC, IAR compilers.
• DMA support, Interrupt handlers Driver support
• USB, TCP/IP, Wi-Fi and Bluetooth, Numerous USB classes, DHCP and Wi-Fi encryption Stacks
• Image formats, file system & GUI library Middleware
• RTOS integration, FreeRTOS a core component