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LSI
53C810A
User Manual
LSI 53C810A User Manual
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A-2
Register Summary
Table A.2
lists the LSI53C810A SCSI registers by register name.
Table A.2
SCSI Registers
Register Name
Address
Read/Write
Page
Adder Sum Output (ADDER)
0x3C–0x3F (0xBC–0xBF)
Read Only
5-47
Chip Test Five (CTEST5)
0x22 (0xA2)
Read/Write
5-36
Chip Test Four (CTEST4)
0x21 (0xA1)
Read/Write
5-34
Chip Test One (CTEST1)
0x19 (0x99)
Read Only
5-30
Chip Test Six (CTEST6)
0x23 (0xA3)
Read/Write
5-37
Chip Test Three (CTEST3)
0x1B (0x9B)
Read/Write
5-32
Chip Test Two (CTEST2)
0x1A (0x9A)
Read Only
5-30
Chip Test Zero (CTEST0)
0x18 (0x98)
Read/Write
5-29
Data Structure Address (DSA)
0x10–0x13 (0x90–0x93)
Read/Write
5-26
DMA Byte Counter (DBC)
0x24–0x26 (0xA4–0xA6)
Read/Write
5-38
DMA Command (DCMD)
0x27 (0xA7)
Read/Write
5-39
DMA Control (DCNTL)
0x3B (0xBB)
Read/Write
5-45
DMA FIFO (DFIFO)
0x20 (0xA0)
Read/Write
5-33
DMA Interrupt Enable (DIEN)
0x39 (0xB9)
Read/Write
5-44
DMA Mode (DMODE)
0x38 (0xB8)
Read/Write
5-41
DMA Next Address (DNAD)
0x28–0x2B (0xA8–0xAB)
Read/Write
5-39
DMA SCRIPTS Pointer (DSP)
0x2C–0x2F (0xAC–0xAF)
Read/Write
5-39
DMA SCRIPTS Pointer Save (DSPS)
0x30–0x33 (0xB0–0xB3)
Read/Write
5-40
DMA Status (DSTAT)
0x0C (0x8C)
Read Only
5-20
General Purpose (GPREG)
0x07 (0x87)
Read/Write
5-16
General Purpose Pin Control (GPCNTL)
0x47 (0xC7)
Read/Write
5-56
Interrupt Status (ISTAT)
0x14 (0x94)
Read/Write
5-26
Memory Access Control (MACNTL)
0x46 (0xC6)
Read/Write
5-55
Response ID (RESPID)
0x4A (0xCA)
Read/Write
5-59
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