UPD98405 Datasheet, PDF (46/64 Pages) NEC – 155M ATM INTEGRATED SAR CONTROLLER

DMA write access (Example: 2-word burst)
CLK
ATTN_B
GNT_B
DR/W_B
SIZE2-SIZE0
AD31-AD0
BE3_B-BE0_B
tDATTN
tDDRW
tDSIZE
tSGNT
tHGNT
tDSADD
tFSADD
Address (output)
tDSBE
RDY_B
(Normal mode)
RDY_B
(Early mode)
PAR3-PAR0
tDPAR2
(Output)
tFPAR2
Data 0 (output)
BE 0 (output)
tSRDY
tSRDY
tHRDY
(Output)
tDATTN
tDDRW
tDSIZE
tFSADD
Data 1 (output)
tFSBE
BE 1 (output)
tHRDY
tDPAR2
(Output)