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CS5535 датащи(PDF) 66 Page - National Semiconductor (TI) |
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CS5535 датащи(HTML) 66 Page - National Semiconductor (TI) |
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66 / 555 page ![]() www.national.com 66 Revision 0.8 Global Concepts and Features (Continued) 487h DMA Channel 0 High Page 8-bit Rec Upper addr bits [31:24]. Write LPC and DMA. Read only DMA. 488h No Specific Usage 8-bit WO Write LPC and DMA. Read only DMA. 489h DMA Channel 6 High Page 8-bit Rec Upper addr bits [31:24]. Write LPC and DMA. Read only DMA. 48Ah DMA Channel 7 High Page 48Bh DMA Channel 5 High Page 48Ch-48Eh No Specific Usage 8-bit WO Write LPC and DMA. Read only DMA. 48Fh DMA Channel 4 High Page 8-bit Rec Upper addr bits [31:24]. Write LPC and DMA. Read only DMA. 490h-4CFh No Specific Usage --- --- 4D0h PIC Level/Edge 8-bit Yes IRQ0-IRQ 7. 4D1h PIC Level/Edge 8-bit Yes IRQ8-IRQ15. 4D2h-4FFh No Specific Usage --- --- Note 1. The Diverse Device snoops writes to this port and maintains the MSB as NMI enable. When low, NMI is enabled. When high, NMI is disabled. This bit defaults high. Reads of this port return bits [6:0] from the on-chip or off-chip target, while bit 7 is returned from the “maintained” value. Table 3-6. Legacy I/O: 000h-4FFh (Continued) I/O Addr. Function Size R/W Comment |
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