Avago Technologies LSI53C896 - Manual (Page 228)

4-116 Registers
Version 3.3 Copyright © 1998–2003 by LSI Logic Corporation. All rights reserved.
Registers: 0xDC–0xDF
Cumulative SCSI Byte Count (CSBC)
Read/Write
CSBC Cumulative SCSI Byte Count [31:0]
This loadable register contains a cumulative count of the
actual number of bytes that have been transferred across
the SCSI bus during data phases, that is, it does not count
bytes sent in command, status, message in or message
out phases. It counts bytes as long as the phase mismatch
enable (ENPMJ) in the
Chip Control 0 (CCNTL0) register
is set. Unlike the SCSI Byte Count (SBC) this count is not
cleared on each BMOV instruction but continues to count
across multiple BMOV instructions. This register can be
loaded with any arbitrary start value.
Registers: 0xE0–0xFF
Reserved
31 0
CSBC
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0