11

ATSAM9743

1773B–DRMSD–11/02

External Ram

(8 bits)

Figure 5. 8-bit SRAM Read Cycle

Note:

By setting the SRAM 8-bit in the P16 control word, external RAM can be configured to read 16-bit with 2 x 8-bit

accesses.

Figure 6. 8-bit SRAM Write Cycle

WCS1

WA[20:0]

RBS

WWE

WOE

WD[7:0]

t

CSOE

t

RC

t

ORB

t

POE

t

OE

t

ACH

t

DF

t

ACE

High

Low

Low

t

DW1

WCS1

High

RBS

WWE

WOE

t

CSWE

t

DW2

t

WC

t

WP

t

WP

t

DH2

t

DH1

t

AS

WD[7:0]

WA[20:0]