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数据搜索系统，热门电子元器件搜索 |
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M32C/86 数据表(PDF) 152 Page - Renesas Technology Corp |
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M32C/86 数据表(HTML) 152 Page - Renesas Technology Corp |
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152 / 505 page  Page 129 9 7 4 f o 5 0 0 2 , 8 0 . p e S 0 0 . 1 . v e R 0 0 1 0 - 4 0 2 0 B 9 0 J E R 13. DMAC ) T 6 8 / C 2 3 M , 6 8 / C 2 3 M ( p u o r G 6 8 / C 2 3 M DMA Mode Register 0(1) RW RW RW RW RW RW RW RW RW MD00 MD01 BW0 Channel 0 Transfer Unit Select Bit Channel 0 Transfer Mode Select Bit RW0 MD10 Channel 0 Transfer Direction Select Bit Channel 1 Transfer Mode Select Bit Channel 1 Transfer Unit Select Bit 0 0 : DMA disabled 0 1 : Single transfer 1 0 : Do not set to this value 1 1 : Repeat transfer 0 : Fixed address to memory (forward direction) 1 : Memory (forward direction) to fixed address 0 : Fixed address to memory (forward direction) 1 : Memory (forward direction) to fixed address 0 : 8 bits 1 : 16 bits 0 : 8 bits 1 : 16 bits MD11 BW1 0 0 : DMA disabled 0 1 : Single transfer 1 0 : Do not set to this value 1 1 : Repeat transfer RW1 Channel 1 Transfer Direction Select Bit NOTES: 1. Use the LDC instruction to set the DMD0 register. Symbol Address After Reset DMD0 (CPU Internal Register) 0016 Function Bit Name Bit Symbol b7 b6 b5 b4 b3 b2 b1 b0 b5 b4 b1 b0 Figure 13.3 DMD0 and DMD1 Registers DMA Mode Register 1(1) RW RW RW RW RW RW RW RW RW MD20 MD21 BW2 Channel 2 Transfer Unit Select Bit Channel 2 Transfer Mode Select Bit RW2 MD30 Channel 2 Transfer Direction Select Bit Channel 3 Transfer Mode Select Bit Channel 3 Transfer Unit Select Bit 0 0 : DMA disabled 0 1 : Single transfer 1 0 : Do not set to this value 1 1 : Repeat transfer 0 : Fixed address to memory (forward direction) 1 : Memory (forward direction) to fixed address 0 : Fixed address to memory (forward direction) 1 : Memory (forward direction) to fixed address 0 : 8 bits 1 : 16 bits 0 : 8 bits 1 : 16 bits MD31 BW3 0 0 : DMA disabled 0 1 : Single transfer 1 0 : Do not set to this value 1 1 : Repeat transfer RW3 Channel 3 Transfer Direction Select Bit NOTES: 1. Use the LDC instruction to set the DMD1 register. Symbol Address After Reset DMD1 (CPU internal register) 0016 Function Bit Name Bit Symbol b7 b6 b5 b4 b3 b2 b1 b0 b5 b4 b1 b0 |
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