Block Diagram - Hitachi H8S/2646 Hardware Manual

Hitachi 16-bit single-chip microcomputer h8s/2646 series

Table of Contents

Block Diagram

Figure 7-1 shows a block diagram of the bus controller.

External bus control signals

ABWCR : Bus width control register

: Access state control register

: Bus control register H

: Bus control register L

: Wait control register H

: Wait control register L

Figure 7-1 Block Diagram of Bus Controller

Area decoder

CPU bus request signal

DTC bus request signal

CPU bus acknowledge signal

DTC bus acknowledge signal

Internal control

Bus mode signal