Atmel SAM4S-XPLD Atmel ATSAM4S-XPLD ATSAM4S-XPLD Hoja De Datos

 8

SAM4S [DATASHEET]

11100E–ATARM–24-Jul-13

 gives details on signal names classified by peripheral.

VDDIO

Peripherals I/O Lines and USB transceiver 
Power Supply

Power

1.62V to 3.6V

VDDIN

Voltage Regulator Input, ADC, DAC and 
Analog Comparator Power Supply

Power

VDDOUT

Voltage Regulator Output 

Power

1.2V Output

VDDPLL

Oscillator and PLL Power Supply

Power

1.08 V to 1.32V

VDDCORE

Power the core, the embedded memories 
and the peripherals

Power

1.08V to 1.32V

GND

Ground

Ground

XIN

Main Oscillator Input

Input

VDDIO

Reset State:

- PIO Input

- Internal Pull-up disabled

XOUT

Main Oscillator Output

Output

XIN32

Slow Clock Oscillator Input

Input

XOUT32

Slow Clock Oscillator Output

Output

PCK0 - PCK2

Programmable Clock Output

Output

Reset State:

- PIO Input

- Internal Pull-up enabled

RTCOUT0

Programmable RTC waveform output

Output

VDDIO

Reset State:

- PIO Input

- Internal Pull-up enabled

RTCOUT1

Programmable RTC waveform output

Output

TCK/SWCLK

Test Clock/Serial Wire Clock

Input

VDDIO

Reset State:

- SWJ-DP Mode

TDI

Test Data In

Input

TDO/TRACESWO

Test Data Out / Trace Asynchronous Data 
Out

Output

TMS/SWDIO

Test Mode Select /Serial Wire 
Input/Output

Input / I/O

JTAGSEL

JTAG Selection

Input

High

Permanent Internal
pull-down