MB86290A Datasheet, PDF (151/184 Pages) Fujitsu Component Limited. – Graphics Controller Hardware Specifications

8.1.2 CPU Read/Write Timing Diagram for SH4 Mode
T1 TTwwh11 TTwwh22 T2
BCLKI
A[24:2]
CS
BS
RD
D[31:0]
XWE[3:0]
D[31:0]
RDY
Hi-Z
Valid Data
Valid Data
+L=
NotReady NotReady Ready
NotReady
{: RDY sampling in SH4 mode
T1:
Twh*:
T2:
Read/write start cycle (RDY is in the not-ready state.)
Cycles inserted by hardware (RDY asserts Ready as soon as the preparations are
made.)
Read/write end cycle (RDY ends in the not-ready state.)
Fig. 8.2 CPU Read/Write Timing Diagram for SH4 Mode
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