H8S-2350 RENESAS [Renesas Technology Corp], H8S-2350 Datasheet - Page 157

• Manufacturer Part Number: H8S-2350
• Description: 16-Bit Single-Chip Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

6.1.2
Figure 6.1 shows a block diagram of the bus controller.
External bus control signals
CS0 to CS7
BREQ
BACK
BREQO
WAIT
External DRAM
signals
Block Diagram
Figure 6.1 Block Diagram of Bus Controller
DRAM controller
controller
Wait
Area decoder
Bus arbiter
controller
Bus
DRAMCR
ABWCR
RTCOR
ASTCR
RTCNT
WCRH
WCRL
BCRH
BCRL
MCR
Rev. 3.00 Sep 15, 2006 page 123 of 988
CPU bus request signal
DTC bus request signal
DMAC bus request signal
CPU bus acknowledge signal
DTC bus acknowledge signal
DMAC bus acknowledge signal
Section 6 Bus Controller
Internal control
signals
Bus mode signal
Internal
address bus
REJ09B0330-0300