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SC2200 Datasheet(PDF) 334 Page - National Semiconductor (TI) |
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SC2200 Datasheet(HTML) 334 Page - National Semiconductor (TI) |
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334 / 433 page  www.national.com 334 Revision 3.0 Video Processor Module (Continued) 6.3 REGISTER DESCRIPTIONS The register space for accessing and configuring the Video Processor is located in the Core Logic Chipset Register Space (F0-F5). The Chipset Register Space is accessed via the PCI interface using the PCI Type One Configuration Mechanism (see Section 5.3.1 "PCI Configuration Space and Access Methods" on page 184). 6.3.1 Register Summary The tables in this subsection summarize the registers of the Video Processor. Included in the tables are the regis- ter’s reset values and page references where the bit for- mats are found. Table 6-3. F4: PCI Header Registers for Video Processor Support Summary F4 Index Width (Bits) Type Name Reset Value Reference (Table 6-6) 00h-01h 16 RO Vendor Identification Register 100Bh Page 337 02h-03h 16 RO Device Identification Register 0504h Page 337 04h-05h 16 R/W PCI Command Register 0000h Page 337 06h-07h 16 RO PCI Status Register 0280h Page 337 08h 8 RO Device Revision ID Register 01h Page 337 09h-0Bh 24 RO PCI Class Code Register 030000h Page 337 0Ch 8 RO PCI Cache Line Size Register 00h Page 337 0Dh 8 RO PCI Latency Timer Register 00h Page 337 0Eh 8 RO PCI Header Type Register 00h Page 337 0Fh 8 RO PCI BIST Register 00h Page 337 10h-13h 32 R/W Base Address Register 0 (F4BAR0). Sets the base address for the memory-mapped Video Configuration Registers within the Video Processor. Refer to Table 6-7 on page 339 for programming infor- mation regarding the register offsets accessed through this regis- ter. 00000000h Page 337 14h-17h 32 R/W Base Address Register 1 (F4BAR1). Reserved. 00000000h Page 337 18h-1Bh 32 R/W Base Address Register 2 (F4BAR2). Sets the base address for the memory-mapped VIP (Video Interface Port) Registers (summa- rized in Table 6-8 on page 352). 00000000h Page 337 1Ch-2Bh -- -- Reserved 00h Page 337 2Ch-2Dh 16 RO Subsystem Vendor ID 100Bh Page 337 2Eh-2Fh 16 RO Subsystem ID 0504h Page 337 30h-3Bh -- -- Reserved 00h Page 337 3Ch 8 R/W Interrupt Line Register 00h Page 337 3Dh 8 R/W Interrupt Pin Register 03h Page 338 3Eh-FFh --- --- Reserved 00h Page 338 |
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