AT32UC3A0512(2007) 查看數據表（PDF） - Atmel Corporation

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AT32UC3A0512
(Rev.:2007)

AVR®32 32-Bit Microcontroller

Atmel Corporation 

Table 4-1. Signal Description List

Signal Name

Function

Type

Active

Level Comments

Power Manager - PM

GCLK0 - GCLK3

Generic Clock Pins

Output

RESET_N

Reset Pin

Input

Low

Real Time Counter - RTC

RTC_CLOCK

RTC clock

Output

Watchdog Timer - WDT

WDTEXT

External Watchdog Pin

Output

External Interrupt Controller - EIC

EXTINT0 - EXTINT7 External Interrupt Pins

Input

KPS0 - KPS7

Keypad Scan Pins

Output

NMI_N

Non-Maskable Interrupt Pin

Input

Low

Ethernet MAC - MACB

COL

Collision Detect

Input

CRS

Carrier Sense and Data Valid

Input

MDC

Management Data Clock

Output

MDIO

Management Data Input/Output

I/O

RXD0 - RXD3

Receive Data

Input

RX_CLK

Receive Clock

Input

RX_DV

Receive Data Valid

Input

RX_ER

Receive Coding Error

Input

SPEED

Speed

TXD0 - TXD3

Transmit Data

Output

TX_CLK

Transmit Clock or Reference Clock

Output

TX_EN

Transmit Enable

Output

TX_ER

Transmit Coding Error

Output

External Bus Interface - HEBI - uC3015 Only

ADDR0 - ADDR23

Address Bus

Output

CAS

Column Signal

Output

Low

8

32058AS–AVR32–03/07

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