AT91M40400 View Datasheet(PDF) - Atmel Corporation

Part Name

Description

MFG CO.

AT91M40400

AT91 ARM® Thumb® Microcontrollers

Atmel Corporation 

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Figure 26. 1 Wait, 16-Bit Bus Width, Word Transfer

MCKI

1 wait state

A1-A23

ADDR

NCS

NLB

NUB

Read Access

• Standard Protocol

NRD

D0-D15

1 wait state

ADDR+1

B2 B1

Internal Bus

• Early Protocol

NRD

D0-D15

Write Access

• Byte Write/

Byte Select Option

NWE

D0-D15

X X B2 B1

B2B1

B4B3

B2B1

B4B3

B4 B3

B4 B3 B2 B1

24

AT91M40400

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