Datasheet > AT91SAM7SE256-CU-999

AT91SAM7SE256-CU-999

更新时间： 2024-01-06 14:29:19

品牌	Logo	应用领域
爱特美尔 - ATMEL		微控制器
页数	文件大小	规格书
47页	489K
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Microcontroller

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AT91SAM7SE256-CU-999 技术参数

生命周期：	Obsolete	零件包装代码：	BGA
包装说明：	,	针数：	144
Reach Compliance Code：	unknown	风险等级：	5.83
Base Number Matches：	1

AT91SAM7SE256-CU-999 数据手册

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AT91SAM7SE512/256/32 Preliminary Summary

Table 3-1.

Signal Description List (Continued)

Active

Level

Signal Name

Function

Type

Comments

Two-Wire Interface

TWD

Two-wire Serial Data

Two-wire Serial Clock

I/O

TWCK

I/O

Analog-to-Digital Converter

AD0-AD3

AD4-AD7

ADTRG

Analog Inputs

ADC Trigger

Analog

Digital pulled-up inputs at reset

Analog Inputs

Analog

Input

ADVREF

ADC Reference

Analog

Fast Flash Programming Interface

PGMEN0-PGMEN2

PGMM0-PGMM3

PGMD0-PGMD15

PGMRDY

Programming Enabling

Programming Mode

Programming Data

Programming Ready

Data Direction

Input

I/O

Output

High

Low

PGMNVALID

PGMNOE

Output

Programming Read

Programming Clock

Programming Command

Input

PGMCK

Input

PGMNCMD

Input

Low

External Bus Interface

D[31:0]

A[22:0]

NWAIT

Data Bus

I/O

Address Bus

Output

External Wait Signal

Input

Low

Static Memory Controller

NCS[7:0]

NWR[1:0]

NRD

Chip Select Lines

Write Signals

Output

Low

Output

Read Signal

Output

NWE

Write Enable

Output

NUB

NUB: Upper Byte Select

NLB: Lower Byte Select

NLB

Output

EBI for CompactFlash Support

CFCE[2:1]

CFOE

CompactFlash Chip Enable

Output

Low

CompactFlash Output Enable

CompactFlash Write Enable

CFWE

CFIOR

CompactFlash I/O Read Signal

CompactFlash I/O Write Signal

CompactFlash Read Not Write Signal

CompactFlash Chip Select Lines

CFIOW

CFRNW

CFCS[1:0]

Low

6222ES–ATARM–15-Dec-09

1...4 5 678 9 10...47

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