H8SLASH3003 datasheet(519/715 Pages) RENESAS

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H8/3003 数据表(PDF) 519 Page - Renesas Technology Corp

部件名	H8/3003

功能描述	microcontroller (MCU)

PDF	715 Pages

Scroll/Zoom	100%

制造商	RENESAS [Renesas Technology Corp]

网页	http://www.renesas.com

标志

519 / 715 page

Section 15 RAM

15.1 Overview

The H8/3003 has 512 bytes of on-chip static RAM. The RAM is connected to the CPU by a 16-bit

data bus. The CPU accesses both byte data and word data in two states, making the RAM suitable

for rapid data transfer.

The on-chip RAM is assigned to addresses H'FFD10 to H'FFF0F in modes 1 and 2, and addresses

H'FFFD10 to H'FFFF0F in modes 3 and 4. The RAM enable bit (RAME) in the system control

15.1.1 Block Diagram

Figure 15-1 shows a block diagram of the on-chip RAM.

Figure 15-1 RAM Block Diagram

H'FD10

H'FD12

H'FF0E*

H'FD11

H'FD13

H'FF0F*

On-chip data bus (upper 8 bits)

On-chip data bus (lower 8 bits)

Bus interface

On-chip RAM

Even addresses

Odd addresses

Note:

Lower 16 bits of the address

501

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