H8SLASH3028F datasheet(141/923 Pages) RENESAS

部件名	H8/3028F

功能描述	Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

PDF	923 Pages

Scroll/Zoom	100%

制造商	RENESAS [Renesas Technology Corp]

网页	http://www.renesas.com

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141 / 923 page

Rev. 2.00, 09/03, page 111 of 890

6.1.4

Table 6.2 summarizes the bus controller's registers.

Table 6.2

Bus Controller Registers

Address*

Name

Abbreviation

R/W

Initial Value

H'EE020

Bus width control register

ABWCR

R/W

H'FF*

H'EE021

Access state control register

ASTCR

R/W

H'FF

H'EE022

Wait control register H

WCRH

R/W

H'FF

H'EE023

Wait control register L

WCRL

R/W

H'FF

H'EE013

Bus release control register

BRCR

R/W

H'FE*

H'EE01F

Chip select control register

CSCR

R/W

H'0F

H'EE01E

Address control register

ADRCR

R/W

H'FF

H'EE024

Bus control register

BCR

R/W

H'C6

H'EE026

DRAM control register A

DRCRA

R/W

H'10

H'EE027

DRAM control register B

DRCRB

R/W

H'08

H'EE028

Refresh timer control/status register

RTMCSR

R(W)*

H'07

H'EE029

Refresh timer counter

RTCNT

R/W

H'00

H'EE02A

Refresh time constant register

RTCOR

R/W

H'FF

Notes: 1. Lower 20 bits of the address in advanced mode.

2. In modes 2 and 4, the initial value is H'00.

3. In modes 3 and 4, the initial value is H'EE.

4. For Bit 7, only 0 can be written to clear the flag.

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