Example Of Access Waveform - Fujitsu MB86R02 Jade-D Hardware Manual

MB86R02 'Jade-D' Hardware Manual V1.64

11.8 Example of access waveform

Word read access to 16 bit width SRAM/NOR Flash
Internal clock
MEM_EA[24:1] X
MEM_ED[15:0]
tRADC
MEM_XRD
MEM_XWR[1:0]
MEM_XCS[4/2/0]
MEM_RDY
tRADC = Read address setup cycle
tRACC = Read access cycle
tRIDLC = Read idle cycle
Word write access to 16 bit width SRAM/NOR Flash
Internal clock
MEM_EA[24:1] X
1 cycle
MEM_ED[15:0]
X
MEM_XRD
tWADC
MEM_XWR[1:0]
tWACC
MEM_XCS[4/2/0]
MEM_RDY
tWADC = Write address setup cycle
tWACC = Write access cycle
tWWEC = Write enable cycle
tWIDLC = Write idle cycle
00
D00
tRADC
tRACC + tRACC cycle
00
D00
tWADC
tWWEC
tWACC
01
D01
tRIDLC
01
1 cycle
D01
tWIDLC
tWWEC
X
X
11-13