SAMG53G Datasheet, PDF (6/15 Pages) ATMEL Corporation – SMART ARM-based Flash MCU

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
Input
–
Main Oscillator Output
Output
–
Slow Clock Oscillator Input
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
6
SAM G53G / SAM G53N [SUMMARY DATASHEET]
Atmel-11240DS-ATARM-SAM-G53G-SAM-G53N-Summary-Datasheet_17-Oct-14