E62655RUSB Renesas Electronics America, E62655RUSB Datasheet - Page 161

• Manufacturer Part Number: E62655RUSB
• Description: EMULATOR BASE H8S/2655R W/USB
• Manufacturer: Renesas Electronics America
• Type: Microcontrollerr

Specifications of E62655RUSB

• Contents: E6000 Emulator Unit and 4 Logic Probes
• For Use With/related Products: H8S/2655R
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

6.1.2
Figure 6.1 shows a block diagram of the bus controller.
External bus control signals
CS
BREQ
BACK
BREQO
WAIT
External DRAM/
PSRAM control
signals
Block Diagram
0
to CS
7
Figure 6.1 Block Diagram of Bus Controller
DRAM/PSRAM
controller
controller
Wait
Area decoder
Bus arbiter
controller
Bus
DRAMCR
ABWCR
RTCOR
ASTCR
RTCNT
WCRH
WCRL
BCRH
BCRL
MCR
Rev. 5.00 Sep 14, 2006 page 131 of 1060
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
REJ09B0331-0500