Block Diagram; Figure 13.1 Block Diagram Of Bsc - Hitachi SH7751 Hardware Manual

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
Note: * SH7751R only
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
BCR3 *
BCR4 *
MCR
PCR
RFCR
RTCNT
Comparator
RTCOR
RTCSR
Rev. 3.0, 04/02, page 307 of 1064
Bus
BSC