HD6412332 RENESAS [Renesas Technology Corp], HD6412332 Datasheet - Page 161

• Manufacturer Part Number: HD6412332
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

6.1.2
CS
External bus control signals
BREQ
BACK
BREQO
WAIT
External DRAM
control signals
0
to CS
Block Diagram
7
Figure 6.1 Block Diagram of Bus Controller
controller
controller
DRAM
Wait
Bus controller
Area decoder
Bus arbiter
DRAMCR
ABWCR
RTCOR
ASTCR
RTCNT
WCRH
WCRL
BCRH
BCRL
MCR
Rev.4.00 Sep. 07, 2007 Page 131 of 1210
CPU bus request signal
DTC bus request signal
DMAC bus request signal
CPU bus acknowledge signal
DTC bus acknowledge signal
DMAC bus acknowledge signal
Internal control
signals
Bus mode signal
Internal address
bus
REJ09B0245-0400