AT91M40400 View Datasheet(PDF) - Atmel Corporation

Part Name

Description

MFG CO.

AT91M40400

AT91 ARM® Thumb® Microcontrollers

Atmel Corporation 

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AT91M40400

Figure 29. 1 Wait State, 8-Bit Bus Width, Half Word Transfer

1 wait state

MCKI

1 wait state

A0-A23

ADDR

ADDR+1

NCS

READ ACCESS

• Standard Protocol

NRD

D0-D15

X B1

Internal Bus

• Early Protocol

NRD

X X X B1

D0-D15

X B1

X B2

WRITE ACCESS

X B2

X X B2 B1

NWR0

NWR1

D0-D15

X B1

X B2

27

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