H8SSLASH2218 datasheet(170/750 Pages) RENESAS

Il numero della parte	H8S/2218

Spiegazioni elettronici	16-Bit Single-Chip Microcomputer H8S Family/H8S/2200 Series

PDF	750 Pages

Scroll/Zoom	100%

Produttore elettronici	RENESAS [Renesas Technology Corp]

Homepage	http://www.renesas.com

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170 / 750 page

Section 6 Bus Controller

Rev.6.00 Jun. 03, 2008 Page 122 of 698

REJ09B0074-0600

• WCRL

Bit

Bit Name

Initial Value R/W

Description

W31

W30

R/W

Area 3 Wait Control 1 and 0

These bits select the number of program wait states

when area 3 in external space is accessed while the

AST3 bit in ASTCR is set to 1.

00: Program wait not inserted when external space area

3 is accessed

01: 1 program wait state inserted when external space

area 3 is accessed

10: 2 program wait states inserted when external space

area 3 is accessed

11: 3 program wait states inserted when external space

area 3 is accessed

W21

W20

R/W

Area 2 Wait Control 1 and 0

These bits select the number of program wait states

when area 2 in external space is accessed while the

AST2 bit in ASTCR is set to 1.

00: Program wait not inserted when external space area

2 is accessed

01: 1 program wait state inserted when external space

area 2 is accessed

10: 2 program wait states inserted when external space

area 2 is accessed

11: 3 program wait states inserted when external space

area 2 is accessed

H8S/2218 Scheda tecnica(PDF) 170 Page - Renesas Technology Corp