UPD98402A Datasheet, PDF (16/26 Pages) NEC – LOCAL ATM SONET FRAMER

Management Interface
Internal Register Read
(a) Case 1 When the host uses ACK signal
A0-A5
R/W
CE
OE
ACK
D0-D7
tSCC1
tHCC1
tSCC2
tHCC2
tCEBW
tOEBW
tDCPA
tDCNAR
tDOD
Valid
tDCD
tFOD
µPD98402A
(b) Case 2 When the host does not use ACK signal
A0-A5
R/W
CE
OE
D0-D7
tSCC1
tSCC2
tHCC1
tHCC2
tCEBW
tOEBW
tDOD
Valid
tFOD
16