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4. Signal Description

The following table provides details on signal names classified by peripheral.

T

able 4-1. Signal Description List

Signal Name Function Type Active

Level

Voltage

Reference

Comments

Power Supplies

VDDIO Peripherals I/O Lines

Power Supply

Power – – –

VDDIN Voltage Regulator Input,

AFE, DAC and Analog

Comparator Power

Supply

(1)

Power – – –

VDDOUT Voltage Regulator Output Power – – –

VDDPLL PLLA Power Supply Power – – –

VDDPLLUSB USB PLL and Oscillator

Power Supply

Power – – –

VDDCORE Powers the core, the

embedded memories and

the peripherals

Power – – –

GND, GNDPLL,

GNDPLLUSB,

GNDANA,

GNDUTMI

Ground Ground – – –

VDDUTMII USB Transceiver Power

Supply

Power – – –

VDDUTMIC USB Core Power Supply Power – – –

GNDUTMI USB Ground Ground – – –

Clocks, Oscillators and PLLs

XIN Main Oscillator Input Input – VDDIO –

XOUT Main Oscillator Output Output – –

XIN32 Slow Clock Oscillator

Input

Input – –

XOUT32 Slow Clock Oscillator

Output

Output – –

PCK0–PCK2 Programmable Clock

Output

Output – –

Real Time Clock

RTCOUT0 Programmable RTC

W

aveform Output

Output – VDDIO –

RTCOUT1 Programmable RTC

Waveform Output

Output – –

Serial Wire Debug/JTAG Boundary Scan

SAM E70/S70/V70/V71 Family

Signal Description

© 2019 Microchip T

echnology Inc.

Datasheet

DS60001527D-page 21