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DB929B Datasheet, PDF (47/51 Pages) CML Microcircuits – Full Data Packet Framing
4-Level FSK Modem Data Pump
Page 47 of 50
MX929B PRELIMINARY INFORMATION
WRITE CYCLE (DATA TO MODEM)
ADDRESS
A0, A1
CS
tACSL
WR
tRHCSL
RD
tAH
ADDRESS VALID
tCSH
tCSRWL
tWL
tDSW
DATA
D0 to D7
DATA
VALID
READ CYCLE (DATA FROM MODEM)
ADDRESS
A0, A1
CS
tACSL
tWHCSL
tAH
ADDRESS VALID
tCSH
WR
RD
DATA
D0 to D7
tCSRWL
tRL
tRARL
tRACL
tDHR
DATA VALID
tCSHI
tDHW
tCSHI
tRX
Figure 28: 2C Parallel Interface Timings
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