APPENDIX A <REFERENCE> EXTERNAL DEVICE INTERFACE TIMINGS

ROM: 100ns, CPU: 25MHz, normal read

BCLK

A[23:0]

#CE9, 10

#RD

D[15:0]

RD data

ROM: 100ns, CPU: 25MHz, burst read

BCLK

 

Normal read cycle

 

 

Burst read cycle

 

 

 

 

 

 

 

 

 

 

 

A[23:0] #CE9, 10 #RD

RD data RD data RD data RD data

D[15:0]

ROM: 100ns, CPU: 20MHz, normal read

BCLK

A[23:0]

#CE9, 10

#RD

D[15:0]

RD data

ROM: 100ns, CPU: 20MHz, burst read

BCLK

 

Normal read cycle

 

Burst read cycle

 

 

 

 

 

 

 

 

 

 

 

 

A[23:0] #CE9, 10 #RD

RD data RD data RD data RD data

D[15:0]

S1C33210 PRODUCT PART

EPSON

A-101