LSI53C875 LSI Logic, LSI53C875 Datasheet - Page 298

• Manufacturer Part Number: LSI53C875
• Description: PCI to Ultra SCSI I/O Processor
• Manufacturer: LSI Logic

Table A.1
Table A.2
A-2
Register Name
Power Management Capabilities
Power Management Control/Status
RAM Base Address Two (Memory) SCRIPTS RAM
Revision ID
Status
Subsystem ID (SSID)
Subsystem Vendor ID (SSVID)
Vendor ID
Register Name
Adder Sum Output (ADDER)
Chip Test Five (CTEST5)
Chip Test Four (CTEST4)
Chip Test One (CTEST1)
Chip Test Six (CTEST6)
Chip Test Three (CTEST3)
Chip Test Two (CTEST2)
Chip Test Zero (CTEST0)
Data Structure Address (DSA)
DMA Byte Counter (DBC)
DMA Command (DCMD)
DMA Control (DCNTL)
DMA FIFO (DFIFO)
Configuration Registers (Cont.)
LSI53C875 Register Map
Table A.2
Register Summary
lists the LSI53C875 operating registers by register name.
Address
(Memory or I/O) (Config. Memory or I/O) Read/Write Page
0x3C–0x3F (0xBC–0xBF)
0x22 (0xA2)
0x21 (0xA1)
0x19 (0x99)
0x23 (0xA3)
0x1B (0x9B)
0x1A (0x9A)
0x18 (0x98)
0x10–0x13 (0x90–0x93)
0x24–0x26 (0xA4–0xA6)
0x27 (0xA7)
0x3B (0xBB)
0x20 (0xA0)
Address
0x42
0x44
0x18
0x08
0x06
0x2E
0x2C
0x00
Read/Write Page
Read Only
Read/Write
Read/Write
Read Only
Read/Write
Read Only
Read Only
Read Only
Read Only
Read/Write
Read/Write
Read Only
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
3-25
3-26
3-20
3-17
3-15
3-21
3-20
3-13
5-53
5-42
5-40
5-35
5-43
5-37
5-35
5-34
5-31
5-44
5-45
5-51
5-39