402-00005-00
Registers
3–8
Rev 02; February 8, 2002
3.1.3.3 Bus Master Enable (PCIBMEN) R/W
This bit allows the PCVisionplus to function as a bus master in the PCI system. This bit is initialized to zero at power-
up. This bit should be written to one as part of the initialization routine.
PCIBMEN Function
0
Disable bus master mode
1
Enable bus master mode
3.1.3.4 Parity Error Enable (PAREN) R/W
This bit allows the PCVisionplus to check for parity errors and generate the PCI signal #PERR when an error is de-
tected. This bit is initialized to zero at power-up.
PAREN
Function
0
Disable parity detection
1
Enable parity detection
3.1.3.5 System Error Enable (SEREN) R/W
This bit allows the PCVisionplus to drive the #SERR pin upon detection of a system error. #SERR driven usually
indicates a parity error on the PCI address and control bus. This bit is initialized to zero at power-up.
SEREN
Function
0
Disable system error
1
Enable system error
3.1.3.6 Fast Back-to-Back Transfer Enable (FBB) R/W
This bit allows the PCVisionplus to perform fast back-to-back bus master cycles. This bit is initialized to zero at
power-up.
FBB
Function
0
Disable fast back-to-back transfer
1
Enable fast back-to-back transfer
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