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PDF SAMG53G19B Data sheet ( Hoja de datos )

Número de pieza SAMG53G19B
Descripción SMART ARM-based Flash MCU
Fabricantes ATMEL Corporation 
Logotipo ATMEL Corporation Logotipo



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SAM G53G / SAM G53N
Atmel | SMART ARM-based Flash MCU
DATASHEET
Description
The Atmel® | SMART SAM G53 is a series of Flash microcontrollers based on the
high-performance 32-bit ARM® Cortex®-M4 RISC processor. It operates at a
maximum speed of 48 MHz and features up to 512 Kbytes of Flash and 96 Kbytes
of SRAM. The peripheral set includes one USART, two UARTs, three I2C-bus
interfaces (TWI), up to two SPIs, two three-channel general-purpose 16-bit timers,
two I2S controllers with two-way, one-channel pulse density modulation, one real-
time timer (RTT) and one 8-channel 12-bit ADC.
The Atmel | SMART SAM G53 devices have two software-selectable low-power
modes: Sleep and Wait. In Sleep mode, the processor is stopped while all other
functions can be kept running. In Wait mode, all clocks and functions are stopped
but some peripherals can be configured to wake up the system based on events,
including partial asynchronous wake-up (SleepWalking™).
The Event System allows peripherals to receive, react to and send events in
Active and Sleep modes without processor intervention.
A general-purpose microcontroller with the best ratio in terms of reduced power
consumption, processing power and peripheral set, the SAM G53 series sustains
a wide range of applications including consumer, industrial control, and PC
peripherals.
The device operates from 1.62V to 3.6V and is available in a 49-ball WLCSP
package and a 100-pin LQFP package.
Features
Core
̶ ARM Cortex-M4 up to 48 MHz
̶ Memory Protection Unit (MPU)
̶ DSP Instructions
̶ Floating Point Unit (FPU)
̶ Thumb®-2 instruction set
Memories
̶ 512 Kbytes embedded Flash
̶ 96 Kbytes embedded SRAM
System
̶ Embedded voltage regulator for single-supply operation
Atmel-11240F-ATARM-SAM-G53G-SAM-G53N-Datasheet_24-Jul-15

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SAMG53G19B pdf
3. Signal Description
Table 3-1 provides details on the signal names classified by peripheral.
Table 3-1. Signal Description List
Signal Name
VDDIO
VDDOUT
Function
Type
Power Supplies
Peripheral I/O Lines, Voltage Regulator,
ADC Power Supply
Power
Voltage Regulator Output
Power
Active
Level
VDDCORE
Core Chip Power Supply
Power
GND
XIN
XOUT
XIN32
Ground
Ground
Clocks, Oscillators and PLLs
Main Oscillator Input (Bypass mode)
Input
Main Oscillator Output
Output
Slow Clock Oscillator Input (Bypass mode)
Input
XOUT32
Slow Clock Oscillator Output
Output
PCK0 - PCK2
Programmable Clock Output
Output
TCK
TDI
TDO
TRACESWO
SWDIO
SWCLK
TMS
JTAGSEL
ERASE
ICE and JTAG
Test Clock
Input
Test Data In
Input
Test Data Out
Output
Trace Asynchronous Data Out
Output
Serial Wire Input/Output
I/O
Serial Wire Clock
Input
Test Mode Select
Input
JTAG Selection
Input
Flash Memory
Flash and NVM Configuration Bits Erase
Command
Input
High
High
Voltage
Reference
Comments
– 1.62V to 3.6V
––
Connected externally
to VDDOUT
––
VDDIO
VDDIO
Reset state:
- PIO input
- Internal pull-up
disabled
- Schmitt Trigger
enabled
Reset state:
- PIO input
- Internal pull-up
enabled
- Schmitt Trigger
enabled
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
VDDIO
No pull-up resistor
No pull-up resistor
No pull-up resistor
Pull-down resistor
VDDIO
Pull-down (15 kΩ)
resistor
SAM G53G / SAM G53N [DATASHEET]
Atmel-11240F-ATARM-SAM-G53G-SAM-G53N-Datasheet_24-Jul-15
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SAMG53G19B arduino
5.4.2
Wait Mode
Wait mode allows the device to achieve very low power consumption levels while remaining in a powered state
with a wake-up time of less than 5 µs. Current consumption in Wait mode is typically less than 8 µA (total current
consumption). In Wait mode, the clocks of the core, the peripherals and memories are stopped. However, power
supplies are maintained to ensure memory and CPU context retention.
The wake-up time of 5 µs is achieved when entry into and exit from Wait mode are performed in internal SRAM.
The wake-up time increases to 70 µs if entry into Wake-up mode is performed in internal Flash.
Wait mode is entered using either the WAITMODE bit in the PMC Clock Generator Main Oscillator register
(CKGR_MOR) or the Wait for Event (WFE) instruction. Detailed sequences are provided below.
Note that the WFE instruction can add complexity in application state machines due to the fact that the WFE
instruction goes along with an event flag of the Cortex core (cannot be managed by the software application). The
event flag can be set by interrupts, a debug event or an event signal from another processor. Since an interrupt
can take place just before the execution of WFE, WFE takes into account events that happened in the past. As a
result, WFE prevents the device from entering Wait mode if an interrupt event has occurred. To work around this
complexity, follow the sequence using the WAITMODE bit described below.
The Cortex-M4 processor is able to handle external or internal events in order to wake up the core. This is done by
configuring the external lines WKUP0–15 as fast start-up wake-up pins (refer to Section 5.5 “Fast Start-up”) or the
RTT and RTC alarms for internal events.
To enter Wait mode using the WAITMODE bit:
1. Select the 8/16/24 MHz fast RC oscillator as the Main Clock. If frequency of 24 MHz is selected and the code is
running from the SRAM, wake-up time is less than 5 µs.
2. Program the FLPM field in the PMC Fast Startup Mode Register (PMC_FSMR)(1).
3. Set the number of Flash wait states to 0 by writing a zero to the FWS field in the EEFC Flash Mode Register
(EEFC_MR).
4. Write a one to the WAITMODE bit in the PMC Clock Generator Main Oscillator Register (CKGR_MOR).
5. Wait for MCKRDY = 1 in the PMC Status Register (PMC_SR).
To enter Wait mode using the WFE instruction:
1. Select the 8/16/24 MHz fast RC oscillator as the Main Clock. If 24 MHz is selected and the code is running on the
SRAM, wake-up time is less than 5 µs.
2. Program the FLPM field in the PMC Fast Startup Mode Register (PMC_FSMR)(1).
3. Set the number of Flash wait states to 0 by writing a zero to the FWS field in the EEFC Flash Mode Register
(EEFC_MR).
4. Write a one to the LPM bit in the PMC Fast Startup Mode Register (PMC_FSMR).
5. Ensure that the SLEEPDEEP bit in the System Control Register (SCB_SCR) is cleared.
6. Execute the Wait For Event (WFE) instruction of the processor.
Note:
1. Depending on the value of the field FLPM, the Flash enters three different modes:
FLPM = 0: Flash in Stand-by mode (low power consumption levels)
FLPM = 1: Flash in Deep power-down mode (extra low power consumption levels)
FLPM = 2: Flash in Idle mode. Memory ready for Read access.
5.4.3
Sleep Mode
In Sleep mode, power consumption of the device versus response time is optimized. Only the core clock is
stopped. The peripheral clocks can be enabled. The current consumption in Sleep mode is application-dependent.
Sleep mode is entered via Wait for Interrupt (WFI) instructions.
The processor can be awakened from an interrupt if the WFI instruction of the Cortex-M4 is used.
SAM G53G / SAM G53N [DATASHEET]
Atmel-11240F-ATARM-SAM-G53G-SAM-G53N-Datasheet_24-Jul-15
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