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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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M38043F0HKP 数据表(PDF) 29 Page - Renesas Technology Corp |
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M38043F0HKP 数据表(HTML) 29 Page - Renesas Technology Corp |
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29 / 387 page  1-11 REJ09B0212-0100Z Rev.1.00 Jan 14, 2005 3804 Group (Spec.H) HARDWARE FUNCTIONAL DESCRIPTION Fig. 8 Structure of CPU mode register [CPU Mode Register (CPUM)] 003B16 The CPU mode register contains the stack page selection bit, etc. The CPU mode register is allocated at address 003B16. CPU mode register (CPUM : address 003B16) b7 b0 Fix this bit to “1”. Stack page selection bit 0 : 0 page 1 : 1 page Processor mode bits b1 b0 0 0 : Single-chip mode 0 1 : 1 0 : Not available 1 1 : Port XC switch bit 0 : I/O port function (stop oscillating) 1 : XCIN–XCOUT oscillating function Main clock (XIN–XOUT) stop bit 0 : Oscillating 1 : Stopped Main clock division ratio selection bits b7 b6 0 0 : φ = f(XIN)/2 (high-speed mode) 0 1 : φ = f(XIN)/8 (middle-speed mode) 1 0 : φ = f(XCIN)/2 (low-speed mode) 1 1 : Not available 1 |
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