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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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H8S/2225 数据表(PDF) 256 Page - Renesas Technology Corp |
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H8S/2225 数据表(HTML) 256 Page - Renesas Technology Corp |
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256 / 1071 page  Section 7 Bus Controller Rev. 5.00 Aug 08, 2006 page 170 of 982 REJ09B0054-0500 Bit Bit Name Initial Value R/W Description 3 2 W51 W50 1 1 R/W R/W Area 5 Wait Control 1 and 0 These bits select the number of program wait states when area 5 in external space is accessed while the AST5 bit in ASTCR is set to 1. 00: Program wait not inserted when external space area 5 is accessed 01: 1 program wait state inserted when external space area 5 is accessed 10: 2 program wait states inserted when external space area 5 is accessed 11: 3 program wait states inserted when external space area 5 is accessed 1 0 W41 W40 1 1 R/W R/W Area 4 Wait Control 1 and 0 These bits select the number of program wait states when area 4 in external space is accessed while the AST4 bit in ASTCR is set to 1. 00: Program wait not inserted when external space area 4 is accessed 01: 1 program wait state inserted when external space area 4 is accessed 10: 2 program wait states inserted when external space area 4 is accessed 11: 3 program wait states inserted when external space area 4 is accessed • WCRL Bit Bit Name Initial Value R/W Description 7 6 W31 W30 1 1 R/W 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 |
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