H8SX1663 datasheet(220/1158 Pages) RENESAS

部件名	H8SX1663

功能描述	Renesas 32-Bit CISC Microcomputer H8SX Family / H8SX/1600 Series

PDF	1158 Pages

Scroll/Zoom	100%

制造商	RENESAS [Renesas Technology Corp]

网页	http://www.renesas.com

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220 / 1158 page

Section 6 Bus Controller (BSC)

Rev.1.00 Jun. 07, 2006 Page 168 of 1102

REJ09B0294-0100

6.3

Bus Configuration

Figure 6.5 shows the internal bus configuration of this LSI. The internal bus of this LSI consists of

the following three types.

• Internal system bus

A bus that connects the CPU, DTC, DMAC, on-chip RAM, on-chip ROM, internal peripheral

bus, and external access bus.

• Internal peripheral bus

A bus that accesses registers in the bus controller, interrupt controller, and DMAC, and

registers of peripheral modules such as SCI and timer.

• External access cycle

A bus that accesses external devices via the external bus interface.

CPU

DTC

synchronization

Bus controller,

interrupt controller,

power-down controller

External bus

interface

Peripheral

functions

On-chip

RAM

Internal system bus

On-chip

ROM

Internal peripheral bus

Write data

buffer

Write data

buffer

External access bus

DMAC

Figure 6.5 Internal Bus Configuration

H8SX1663 数据表(PDF) 220 Page - Renesas Technology Corp

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