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BBus Bridge Control and Status registers
500
NS9750 Hardware Reference
D23:13 R/W Not used 0x000 Always set this field to 0.
D12 R/W Not used 0 Always write to 0.
D11 R/W 1284E 0 Enable interrupt from IEEE-1284 module.
D10 R/W I2CE 0 Enable interrupt from I2C module.
D09 R/W SDTXE 0 Enable interrupt from SER transmit module D.
D08 R/W SDRXE 0 Enable interrupt from SER receive module D.
D07 R/W SCTXE 0 Enable interrupt from SER transmit module C.
D06 R/W SCRXE 0 Enable interrupt from SER receive module C.
D05 R/W SATXE 0 Enable interrupt from SER transmit module A.
D04 R/W SARXE 0 Enable interrupt from SER receive module A.
D03 R/W SBTXE 0 Enable interrupt from SER transmit module B.
D02 R/W SBRXE 0 Enable interrupt from SER receive module B.
D01 R/W USBE 0 Enable interrupt from USB module.
D00 R/W DMAE 0 Enable aggregate interrupt from BBus DMA module.
These interrupts can be controlled on a per-DMA channel
basis in the BBus utility module.
Bits Access Mnemonic Reset Description
Table 301: BBus Bridge Interrupt Enable register bit definition