UPD72107 Datasheet, PDF (15/32 Pages) NEC – LAP-B CONTROLLER(Link Access Procedure Balanced mode)

CLK
HLDRQ
HLDAK
AEN
ASTB
A16D8-A23D15
A0, A1/A2-A15
UBE
MWR
READY
A16D8-A23D15
MRD
tDHQH
tSHA
tHHA
tDHQL
tHHA
tDAEH
tDSTH
tDSTL
Hi-Z
Hi-Z
Hi-Z
tSTSTH
tDA
Address
tSAST tHSTA
Output data
Address
tWWL2
tDWL
tHRY
tHRY
tDWH
tDAEL
Hi-Z
Hi-Z
Hi-Z
Hi-Z
Hi-Z
tFA
tSRY
Address
tDA
tDAR
tDRL
tSRY
Input data
tSDR
tHRD
tFA
tDRH
tRRL2
Hi-Z
Hi-Z