Figure 6-1.External Memory Interface - Lucent Technologies DSP1617 Information Manual

6 External Memory Interface ...........................................................................................................................6-1
6.1 EMI Function......................................................................................................................................6-1
6.2 Programmable Features ..................................................................................................................6-13
6.3 Functional Timing ............................................................................................................................6-14
6.3.1 Timing Action with Wait-States .........................................................................................6-15
6.4 Timing Examples .............................................................................................................................6-17
6.4.1 CKO Timing ......................................................................................................................6-17
6.4.2 Write, Read, Read, W = 0 .................................................................................................6-18
6.4.3 Read, Write, Write, W = 0 .................................................................................................6-19
6.4.4 Read, Write, W = 0, Compound Address ..........................................................................6-20
6.4.5 Read W = 1, Read W = 2 ..................................................................................................6-21
6.4.6 Write W = 1 .......................................................................................................................6-22
6.4.7 Read, Read with Delayed Enable .....................................................................................6-23
6.4.8 Write, Read, with Delayed Enable ....................................................................................6-24
6.5 Boot-Up from External ROM ............................................................................................................6-25
6.6 Memory Sequencer .........................................................................................................................6-26
6.7 Downloading Code into External Program Memory.........................................................................6-28
CHAPTER 6. EXTERNAL MEMORY INTERFACE
CONTENTS