SAM G53G / SAM G53N [SUMMARY DATASHEET]

Atmel-11240DS-ATARM-SAM-G53G-SAM-G53N-Summary-Datasheet_17-Oct-14

6

3.

Signal Description

Table 3-1 provides details on the signal names classified by peripheral.

Table 3-1.

Signal Description List

Signal Name

Function

Type

Active

Level

Voltage

Reference

Comments

Power Supplies

VDDIO

Peripheral I/O Lines, Voltage Regulator,

ADC Power Supply

Power

–

–

1.62V to 3.6V

VDDOUT

Voltage Regulator Output

Power

–

–

–

VDDCORE

Core Chip Power Supply

Power

–

–

Connected externally

to VDDOUT

GND

Ground

Ground

–

–

–

Clocks, Oscillators and PLLs

XIN

Main Oscillator Input

Input

–

VDDIO

Reset state:

- PIO input

- Internal pull-up

disabled

- Schmitt Trigger

enabled

XOUT

Main Oscillator Output

Output

–

–

XIN32

Slow Clock Oscillator Input

Input

–

VDDIO

XOUT32

Slow Clock Oscillator Output

Output

–

–

PCK0 - PCK2

Programmable Clock Output

Output

–

–

Reset state:

- PIO input

- Internal pull-up

enabled

- Schmitt Trigger

enabled

ICE and JTAG

TCK

Test Clock

Input

–

VDDIO

No pull-up resistor

TDI

Test Data In

Input

–

VDDIO

No pull-up resistor

TDO

Test Data Out

Output

–

VDDIO

–

TRACESWO

Trace Asynchronous Data Out

Output

–

VDDIO

–

SWDIO

Serial Wire Input/Output

I/O

–

VDDIO

–

SWCLK

Serial Wire Clock

Input

–

VDDIO

–

TMS

Test Mode Select

Input

–

VDDIO

No pull-up resistor

JTAGSEL

JTAG Selection

Input

High

VDDIO

Pull-down resistor

Flash Memory

ERASE

Flash and NVM Configuration Bits Erase

Command

Input

High

VDDIO

Pull-down (15 k

Ω)

resistor