AT32UC3A3128 查看數據表（PDF） - Atmel Corporation

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AT32UC3A3128

32-bit AVR® Microcontroller

Atmel Corporation 

AT32UC3A3/A4

3. Signals Description

The following table gives details on the signal name classified by peripheral

Table 3-1. Signal Description List

Signal Name

Function

Type

Active

Level Comments

Power

VDDIO

I/O Power Supply

Power

3.0 to 3.6 V

VDDANA

Analog Power Supply

Power

3.0 to 3.6 V

VDDIN

Voltage Regulator Input Supply

Power

2.7 to 3.6 V

ONREG

Voltage Regulator ON/OFF

Power

Control

1

2.7 to 3.6 V

VDDCORE

Voltage Regulator Output for Digital Supply

Power

Output

1.65 to 1.95V

GNDANA

Analog Ground

Ground

GNDIO

I/O Ground

Ground

GNDCORE

DIgital Ground

Ground

GNDPLL

PLL Ground

Ground

Clocks, Oscillators, and PLL’s

XIN0, XIN1, XIN32 Crystal 0, 1, 32 Input

Analog

XOUT0, XOUT1,

XOUT32

Crystal 0, 1, 32 Output

Analog

JTAG

TCK

Test Clock

Input

TDI

Test Data In

Input

TDO

Test Data Out

Output

TMS

Test Mode Select

Input

Auxiliary Port - AUX

MCKO

Trace Data Output Clock

Output

MDO[5:0]

Trace Data Output

Output

MSEO[1:0]

Trace Frame Control

Output

EVTI_N

Event In

Output

Low

EVTO_N

Event Out

Output

Low

Power Manager - PM

6

32072C–AVR32–2010/03

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