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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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H8/3028F 数据表(PDF) 788 Page - Renesas Technology Corp |
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H8/3028F 数据表(HTML) 788 Page - Renesas Technology Corp |
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788 / 923 page  Rev. 2.00, 09/03, page 758 of 890 BRCR—Bus Release Control Register H'EE013 Bus controller Bit 7 A23E 6 A22E 5 A21E 4 A20E 3 — 2 — 1 — 0 BRLE Initial value Read/Write 1 — 1 — 1 — 1 — 1 — 1 — 1 — 0 R/W Modes 1, 2, 6, 7 Initial value Read/Write 1 R/W 1 R/W 1 R/W 1 R/W 1 — 1 — 1 — 0 R/W Address 23 to 20 enable 0 1 Address output Other input/output Mode 5 Bus release enable 0 1 The bus cannot be released to an external device The bus can be released to an external device Initial value Read/Write 1 R/W 1 R/W 1 R/W 0 — 1 — 1 — 1 — 0 R/W Modes 3, 4 ISCR—IRQ Sense Control Register H'EE014 Interrupt Controller Bit Initial value Read/Write 0 R/W 7 — 0 R/W 6 — 0 R/W 5 IRQ5SC 0 R/W 4 IRQ4SC 0 R/W 3 IRQ3SC 0 R/W 2 IRQ2SC 0 R/W 1 IRQ1SC 0 R/W 0 IRQ0SC IRQ5 to IRQ0 sense control 0 1 Interrupts are requested when IRQ5 to IRQ0 are low Interrupts are requested by falling-edge input at IRQ5 to IRQ0 |
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