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assert. As with any register other than Interrupt Status
(ISTAT), this register cannot be accessed except by a
SCRIPTS instruction during SCRIPTS execution.
COM LSI53C700 Family Compatibility 0
When this bit is cleared, the LSI53C810A behaves in a
manner compatible with the LSI53C700 family;
selection/reselection IDs are stored in both the SCSI
Selector ID (SSID) and SCSI First Byte Received (SFBR)
registers.
When this bit is set, the ID is stored in the SCSI Selector
ID (SSID) register, protecting the SCSI First Byte
Received (SFBR) from being overwritten if a
selection/reselection occurs during a DMA
register-to-register operation.
This bit is not affected by a software reset.
Register: 0x3C–0x3F (0xBC–0xBF)
Adder Sum Output (ADDER)
Read Only
ADDER Adder Sum Output [31:0]
This register contains the output of the internal adder,
and is used primarily for test purposes. The power-up
value for this register is indeterminate.
31 0
ADDER
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