Canon A-200 series Service Manual page 68

CPU·CLK
(CLK)
DMA·CLK
(DCLK)
SO-52
(LOCK)
HRQ
(DMAC)
DMA-GO
HOLDA
(DMAC)
AEN
AEN
(BCU. CEN)
(J)
(J1
RDY1
(CG)
MRD
row
RAS
T4
~ l~
____________________________________________________________
~ I~-------------------------------------
___-J' ­
_ _ _ _ _ _ _ _ _ _ _- - - ' , _ _ _ m _
DMAC CPU -
-_I
D~ ~
1
~
REFRESH
DMA REFRESH
Figure 6-15