AT91M40400 View Datasheet(PDF) - Atmel Corporation

Part Name

Description

MFG CO.

AT91M40400

AT91 ARM® Thumb® Microcontrollers

Atmel Corporation 

Prev 21 22 23 24 25 26 27 28 29 30 Next

Figure 28. 0 Wait States, 8-Bit Bus Width, Word Transfer

MCKI

A0-A23

ADDR

ADDR+1

ADDR+2

ADDR+3

NCS

READ ACCESS

• Standard Protocol

NRD

D0-D15

X B1

X B2

X B3

X B4

Internal Bus

• Early Protocol

NRD

X X X B1

X X B2 B1

X B3 B2 B1

B4 B3 B2 B1

D0-D15

WRITE ACCESS

X B1

X B2

X B3

X B4

NWR0

NWR1

D0-D15

X B1

X B2

X B3

X B4

26

AT91M40400

Share Link: