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Overview
- Part Family:ATSAMG55
- CPU Type:Cortex-M4
- MaxSpeed (MHz):120
- Program Memory Size (KB):512
- SRAM (KB):176
- Temp. Range Min.:-40
- Temp. Range Max.:85
- Operation Voltage Min.(V):1.62
- Operation Voltage Max.(V):3.6
- SPI:8
- I2C:8
- UART:8
- QSPI:0
- Crypto Engine:No
- Internal Oscillator: 8,16,24Mhz,32Khz
- Pin Count:64
- Secure Boot:No
- 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
The Microchip's SAM G55 embeds a Cortex-M4 CPU with an FPU (floating point unit). This ensures maximum throughput. This is very important as it allows you to minimize the active power consumption and get to sleep faster in order to reduce the overall power consumption. Additionally, the devices have 30 DMA channels, which give extremely high throughput.
The combination of ultra-low power consumption, fast wake-up time and high throughput is what gives the SAM G the edge in space- and power-constrained consumer applications such as sensor hubs. It wakes up quickly, has the throughput needed to reduce the amount of time spent in active mode, and then goes back to sleep with SRAM retention to conserve energy.
This gives the best performance and longest battery lifetime. It is fully-functional all the way down to 1.6V; including flash reads and writes, as well as full ADC operation. This allows for a more flexible power supply scheme that will squeeze extra runtime out of a battery.
Supported by MPLAB X IDE and MPLAB Harmony.
Use your up or down key to switch images.
Tools And Software
Development Environment
Emulator and Debuggers
Demo & Evaluation Boards
Programmers
3rd Party Tools
Legacy
| Tools |
|---|
 MPLAB® X Integrated Development Environment (IDE) is an expandable, highly configurable software program that incorporates powerful tools to help you discover, configure, develop, debug and qualify embedded designs for most of Microchip’s microcontrollers, microprocessors and digital signal controllers.
|
| When combined with our free and award-winning MPLAB X Integrated Development Environment (IDE), the fully graphical frontend provides:
Editing errors and breakpoints that match corresponding lines in the source code
Single stepping through C and C++ (C++ only available in MPLAB XC32++ compilers) source code to inspect variables and structures at critical points
Data structures with defined data types, including floating point, display in watch windows
|
| MPLAB® Extensions for Microsoft® Visual Studio Code® (VS Code®) is a collection of VS Code extensions that combines the power of the MPLAB development ecosystem with the versatility of VS Code. Whether you are a new or existing client, MPLAB Extensions for VS Code provides you with a seamless, flexible and efficient development environment with comprehensive support for designs based on our devices.
|
| Tools |
|---|
| Atmel-ICE is a powerful development tool for debugging and programming ARM® Cortex®-M based SAM and AVR microcontrollers with on-chip debug capability.
|
| Power Debugger is a powerful development tool for debugging and programming AVR and ARM® Cortex®-M based SAM microcontrollers. In addition the Power Debugger features two independent current sensing channels and includes a CDC virtual COM port interface as well as Data Gateway Interface channels for streaming application data to the host computer from a SPI, USART, TWI or GPIO source.
|
| The MPLAB® ICD 4 In-Circuit Debugger/Programmer is Microchip’s fastest, cost-effective debugging and programming tool for PIC® Microcontrollers (MCUs), Microprocessors (MPUs) and dsPIC® Digital Signal Controllers (DSCs).
|
| J-32 Debug Probe is a JTAG/ICSP Debugger that supports all of Microchip's 32-bit MCU and MPU products.
|
| The MPLAB® Snap In-Circuit Debugger/Programmer allows affordable, fast and easy debugging and programming of PIC®, dsPIC® and AVR flash MCUs and MPUs, using the powerful graphical user interface of MPLAB X Integrated Development Environment (IDE). The MPLAB Snap can be connected to a design engineer's computer using a High-Speed USB 2.0 interface and can be connected to the target via an 8-pin Single In-Line (SIL) connector. The connector uses two device I/O pins and the reset line to implement in-circuit debugging and In-Circuit Serial Programming™ (ICSP™). It has all the speed and features entry-level users need to quickly debug their prototype.
|
| Tools |
|---|
| The SAM G55 Xplained Pro evaluation kit is ideal for evaluation and prototyping with the SAM G55 Arm® Cortex®-M4 processor-based microcontrollers.
|
| I/O1 Xplained Pro provides a light sensor, temperature sensor, and microSD card for use with Xplained Pro Evaluation Kits. |
| OLED1 Xplained Pro is an extension kit with a 128x32 OLED display, 3 LEDs and 3 push buttons. |
| Ethernet1 Xplained Pro is an extension board in the Xplained Pro evaluation platform.
|
| PROTO1 Xplained Pro provides easy prototyping on the Xplained Pro platform. |
| Tools |
|---|
| Atmel-ICE is a powerful development tool for debugging and programming ARM® Cortex®-M based SAM and AVR microcontrollers with on-chip debug capability.
|
| Power Debugger is a powerful development tool for debugging and programming AVR and ARM® Cortex®-M based SAM microcontrollers. In addition the Power Debugger features two independent current sensing channels and includes a CDC virtual COM port interface as well as Data Gateway Interface channels for streaming application data to the host computer from a SPI, USART, TWI or GPIO source.
|
| The MPLAB® ICD 4 In-Circuit Debugger/Programmer is Microchip’s fastest, cost-effective debugging and programming tool for PIC® Microcontrollers (MCUs), Microprocessors (MPUs) and dsPIC® Digital Signal Controllers (DSCs).
|
| J-32 Debug Probe is a JTAG/ICSP Debugger that supports all of Microchip's 32-bit MCU and MPU products.
|
| The MPLAB® PICkit™ 4 In-Circuit Debugger/Programmer allows fast and easy debugging and programming of PIC®, dsPIC® , AVR, SAM and CEC flash microcontrollers and microprocessors.
|
| Tools |
|---|
| Atmel START is an innovative online tool for intuitive, graphical configuration of embedded software projects. It lets you select and configure software components, drivers and middleware, as well as complete example projects, specifically tailored to the needs of your application. The configuration stage lets you review dependencies between software components, conflicts and hardware constraints. In the case of a conflict, Atmel START will automatically suggest solutions that fit your specific setup.
|
| Microchip Studio is an Integrated Development Environment (IDE) for developing and debugging AVR® and SAM microcontroller applications. It merges all of the great features and functionality of Atmel Studio into Microchip’s well-supported portfolio of development tools to give you a seamless and easy-to-use environment for writing, building and debugging your applications written in C/C++ or assembly code.
|
["developmentenvironment","Development Environment"] ,
["emulators","Emulator and Debuggers"] ,
["demoevaluationboards","Demo & Evaluation Boards"] ,
["programmerrelations","Programmers"] ,
["thirdpartytools","3rd Party Tools"] ,
["legacy","Legacy"] ,
["softwarelibraries","Library and Firmware"]
referencedesigns,Reference Designs:
codeexamples,Code Examples:
ibisboarddesignfiles,Board Design Files: