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数据搜索系统，热门电子元器件搜索 |
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CS5530 数据表(PDF) 147 Page - National Semiconductor (TI) |
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CS5530 数据表(HTML) 147 Page - National Semiconductor (TI) |
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147 / 241 page  Revision 4.1 147 www.national.com Register Descriptions (Continued) 489h R/W DMA Channel 6 High Page Register Page 211 48Ah R/W DMA Channel 7 High Page Register Page 211 48Bh R/W DMA Channel 5 High Page Register Page 211 Programmable Interval Timer Registers (Table 4-27) 040h Write PIT Timer 0 Counter Page 212 Read PIT Timer 0 Status Page 212 041h Write PIT Timer 1 Counter (Refresh) Page 212 Read PIT Timer 1 Status (Refresh) Page 212 042h Write PIT Timer 2 Counter (Speaker) Page 212 Read PIT Timer 2 Status (Speaker) Page 212 043h Write PIT Mode Control Word Register Page 212 043h R/W PIT Read-Back Command Read Status Command Counter Latch Command Programmable Interrupt Controller Registers (Table 4-28) 020h / 0A0h WO Master / Slave PCI IWC1 Page 213 021h / 0A1h WO Master / Slave PIC ICW2 Page 213 021h / 0A1h WO Master / Slave PIC ICW3 Page 213 021h / 0A1h WO Master / Slave PIC ICW4 Page 213 021h / 0A1h R/W Master / Slave PIC OCW1 Page 213 020h / 0A0h WO Master / Slave PIC OCW2 Page 213 020h / 0A0h WO Master / Slave PIC OCW3 Page 214 020h / 0A0h RO Master / Slave PIC Interrupt Request and Service Registers for OCW3 Commands Page 214 Keyboard Controller Registers (Table 4-29) 060h R/W External Keyboard Controller Data Register Page 215 061h R/W Port B Control Register Page 215 062h R/W External Keyboard Controller Mailbox Register Page 215 064h R/W External Keyboard Controller Command Register Page 215 066h R/W External Keyboard Controller Mailbox Register Page 215 092h R/W Port A Control Register Page 215 Real Time Clock Registers (Table 4-30) 070h WO RTC Address Register Page 215 071h R/W RTC Data Register Page 215 Miscellaneous Registers (Table 4-31) 170h-177h/ 376h-377h R/W Secondary IDE Registers Page 216 1F0h-1F7h/ 3F6h-3F7h R/W Primary IDE Registers Page 216 4D0h R/W Interrupt Edge/Level Select Register 1 Page 216 4D1h R/W Interrupt Edge/Level Select Register 2 Page 216 121Ch-121Fh RO ACPI Timer Count Register Note: The ACPI Timer Count Register is accessible through I/O Port 121Ch in Silicon Revision 1.3 and above. Otherwise use F1BAR+Offset 1Ch. Page 216 Table 4-12. ISA Legacy I/O Register Summary (Continued) I/O Port Type Name Reference |
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