AT32UC3A3128-CTUT datasheet(7/90 Pages) ATMEL

Part #	AT32UC3A3128-CTUT

Description	32-bit AVR짰Microcontroller

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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7

32072C–AVR32–2010/03

AT32UC3A3/A4

GCLK[2:0]

Generic Clock Pins

Output

RESET_N

Reset Pin

Input

Low

DMA Controller - DMACA (optional)

DMAACK[1:0]

DMA Acknowledge

Output

DMARQ[1:0]

DMA Requests

Input

External Interrupt Module - EIM

EXTINT[7:0]

External Interrupt Pins

Input

KPS0 - KPS7

Keypad Scan Pins

Output

NMI_N

Non-Maskable Interrupt Pin

Input

Low

General Purpose Input/Output pin - GPIOA, GPIOB, GPIOC, GPIOX

PA[31:0]

Parallel I/O Controller GPIOA

I/O

PB[11:0]

Parallel I/O Controller GPIOB

I/O

PC[5:0]

Parallel I/O Controller GPIOC

I/O

PX[59:0]

Parallel I/O Controller GPIO X

I/O

External Bus Interface - EBI

ADDR[23:0]

Address Bus

Output

CAS

Column Signal

Output

Low

CFCE1

Compact Flash 1 Chip Enable

Output

Low

CFCE2

Compact Flash 2 Chip Enable

Output

Low

CFRNW

Compact Flash Read Not Write

Output

DATA[15:0]

Data Bus

I/O

NANDOE

NAND Flash Output Enable

Output

Low

NANDWE

NAND Flash Write Enable

Output

Low

NCS[5:0]

Chip Select

Output

Low

NRD

Read Signal

Output

Low

NWAIT

External Wait Signal

Input

Low

NWE0

Write Enable 0

Output

Low

NWE1

Write Enable 1

Output

Low

Table 3-1.

Signal Description List

Signal Name

Function

Type

Active

Level

Comments

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AT32UC3A3128-CTUT Datasheet(PDF) 7 Page - ATMEL Corporation

AT32UC3A3128-CTUT Datasheet(HTML) 7 Page - ATMEL Corporation

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