H8S2245 datasheet(571/818 Pages) RENESAS

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H8S2245 데이터시트(PDF) 571 Page - Renesas Technology Corp

부품명	H8S2245

상세설명	Renesas 16-Bit Single-Chip Microcomputer H8S Family / H8S/2200 Series

PDF	818 Pages

Scroll/Zoom	100%

제조업체	RENESAS [Renesas Technology Corp]

홈페이지	http://www.renesas.com

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571 / 818 page

Section 16 ROM

Rev.3.00 Mar. 26, 2007 Page 529 of 772

REJ09B0355-0300

Section 16 ROM

16.1

Overview

The H8S/2246 and H8S/2245 have 128 kbytes of on-chip ROM (PROM or mask ROM). The

H8S/2244 and H8S/2243 have 64 kbytes of on-chip ROM (mask ROM). The H8S/2242 and

H8S/2241 have 32 kbytes of on-chip ROM (mask ROM). The ROM is connected to the CPU by a

16-bit data bus. The CPU accesses both byte data and word data in one state, making possible

rapid instruction fetches and high-speed processing.

The on-chip ROM is enabled or disabled by setting the mode pins (MD

2, MD1, and MD0) and bit

EAE in BCRL.

The PROM version of the H8S/2245 Group (H8S/2246) can be programmed with a general-

purpose PROM programmer, by setting PROM mode.

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