ISDN Dual Telephony Protocol Engine
19
6.1.3.1 Timing Diagrams
(1) Read Operation
ASTB
A8-A19
tWSTH
tSAST
tHSTLA
tDSTID
tDRST
A/D0-A/D7
tDAID
tDSTR
tDAR
tFRA
tDRID
RD
tWRL
(2) Write Operation
ASTB
tWSTH
tSAST
A8-A19
tHSTLA
tDSTOD
tHRA
tHRID
tDRA
tDWST
A/D0-A/D7
WR
tHWA
tDSTW
tDAW
tDWOD
tSODW
tHWOD
tWWL
Figure 4: External Memory Access Timing
CMX208 Advance Information
MX-COM, Inc
4800 Bethania Station Road, Winston-Salem, NC, 27105-1201, USA
www.mxcom.com tel: 800 638 5577 336 744 5050 fax: 336 744 5054
All trademarks and service marks are held by their respective companies
2000 MX-COM, Inc.
Doc. # 20480214.001
2000 Chiron Technology Limited