AT91SAM7SE32-CU_ Просмотр технического описания (PDF) - Atmel Corporation

Номер в каталоге

Компоненты Описание

производитель

AT91SAM7SE32-CU_

AT91SAM ARM-based Flash MCU

Atmel Corporation 

SAM7SE512/256/32

Table 3-1. Signal Description List (Continued)

Signal Name

Function

Type

Active

Level

Two-Wire Interface

TWD

Two-wire Serial Data

I/O

TWCK

Two-wire Serial Clock

I/O

Analog-to-Digital Converter

AD0-AD3

Analog Inputs

Analog

AD4-AD7

Analog Inputs

Analog

ADTRG

ADC Trigger

Input

ADVREF

ADC Reference

Analog

Fast Flash Programming Interface

PGMEN0-PGMEN2 Programming Enabling

Input

PGMM0-PGMM3

Programming Mode

Input

PGMD0-PGMD15

Programming Data

I/O

PGMRDY

Programming Ready

Output

High

PGMNVALID

Data Direction

Output

Low

PGMNOE

Programming Read

Input

Low

PGMCK

Programming Clock

Input

PGMNCMD

Programming Command

Input

Low

External Bus Interface

D[31:0]

Data Bus

I/O

A[22:0]

Address Bus

Output

NWAIT

External Wait Signal

Input

Low

Static Memory Controller

NCS[7:0]

Chip Select Lines

Output

Low

NWR[1:0]

Write Signals

Output

Low

NRD

Read Signal

Output

Low

NWE

Write Enable

Output

Low

NUB

NUB: Upper Byte Select

Output

Low

NLB

NLB: Lower Byte Select

Output

Low

EBI for CompactFlash Support

CFCE[2:1]

CompactFlash Chip Enable

Output

Low

CFOE

CompactFlash Output Enable

Output

Low

CFWE

CompactFlash Write Enable

Output

Low

CFIOR

CompactFlash I/O Read Signal

Output

Low

CFIOW

CompactFlash I/O Write Signal

Output

Low

CFRNW

CompactFlash Read Not Write Signal

Output

CFCS[1:0]

CompactFlash Chip Select Lines

Output

Low

Comments

Digital pulled-up inputs at reset

Analog Inputs

7

6222H–ATARM–25-Jan-12

Share Link: