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13.1.2
Block Diagram
Figure 13.1 shows a block diagram of the BSC.
–
–
RD/
–
,
CKE
,
Interrupt
controller
WCR: Wait control register
BCR: Bus control register
MCR: Memory control register
PCR: PCMCIA control register
Wait
control unit
Area
control unit
Memory
control unit
Refresh
control unit
RFCR:
Refresh count register
RTCNT: Refresh timer count register
RTCOR: Refresh time constant register
RTCSR: Refresh timer control/status register
Figure 13.1 Block Diagram of BSC
interface
WCR1
WCR2
WCR3
BCR1
BCR2
MCR
PCR
RFCR
RTCNT
Comparator
RTCOR
RTCSR
Rev. 4.0, 04/00, page 259 of 850
Bus
BSC
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