MB86293 Datasheet, PDF (239/285 Pages) Fujitsu Component Limited. – Grraphiics Conttrrollllerr Speciiffiicattiions

FUJITSU LIMITED
PRELIMINARY and CONFIDENTIAL
11.1.2 CPU read/write timing diagram in SH3 mode (Normally Ready Mode)
( MODE[2:0]=000, RDY_MODE=1, BS_MODE=0)
T1 Tsw1 Tsw2 T2
T1 Tsw1 Tsw2 Thw1 Thw2 T2
BCLKI
A[24:2]
XCS
XBS
XRD
D[31:0]
XWE[3:0]
D[31:0]
XWAIT
Hi-Z
Hi-Z
Valid Data
Hi-Z
Valid Data
Valid Data IN
SoftWait SoftWait NotWait
Valid Data IN
Hi-Z
Hi-Z
SoftWait SoftWait HardWait HardWait NotWait
¡ : XWAIT sampling in SH3 mode
× : Soft Wait (2 cycles) in SH3 mode
T1: Read/write start cycle (XRDY in not wait state)
Tsw*: Software wait insertion cycle (2-cycle setting required)
Thw*: Hardware wait insertion cycle (In hardware state when the immediate accessing is disabled)
T2: Read/write end cycle (XRDY ends in not wait state)
Fig. 10.2 Read/Write Timing Diagram for SH3 (Normally Ready Mode)
MB86293 CORAL_LQ
Graphics Controller
239
Specifications Rev. 1.1