CMX228S1 MX-COM, Inc., CMX228S1 Datasheet - Page 29

• Manufacturer Part Number: CMX228S1
• Description: ISDN data and telephony protocol engine with x.25
• Manufacturer: MX-COM, Inc.

ISDN Data and Telephony Protocol Engine with x.25
6.1.3.1 Timing Diagrams
MX-COM, Inc
4800 Bethania Station Road, Winston-Salem, NC, 27105-1201, USA
www.mxcom.com tel: [phone] 744 5050 fax: [phone]
All trademarks and service marks are held by their respective companies
(1) Read Operation
ASTB
A8-A19
A/D0-A/D7
RD
(2) Write Operation
ASTB
A8-A19
A/D0-A/D7
WR
t
t
WSTH
WSTH
Figure 4: External Memory Access Timing
t
t
SAST
SAST
t
t
DAW
DAR
t
t
DSTW
DSTR
t
t
HSTLA
HSTLA
t
DAID
t
DSTOD
t
DSTID
t
FRA
t
DWOD
t
DRID
29
t
t
WWL
WRL
t
SODW
t
t
DWST
DRST
t
t
HWA
HRA
t
t
DRA
t
HWOD
HRID
2000 Chiron Technology Limited
CMX228 Advance Information
Doc. # 20480216.001
2000 MX-COM, Inc.