Digi NS9750 User Manual
Page 706

B B u s s l a v e a n d D M A i n t e r f a c e
6 8 2
N S 9 7 5 0 H a r d w a r e R e f e r e n c e
D23
R/W
FDBGM
0x0
Forward data FIFO byte gap mask
(FwDatFifoByteGapMask)
0
Mask the interrupt
1
Enable the interrupt
D22
R/W
FCBGM
0x0
Forward command FIFO byte gap mask
(FwCmdFifoByteGapMask)
0
Mask the interrupt
1
Enable the interrupt
D21
R/W
FDMBM
0x0
Forward data FIFO max buffer mask
(FwDatFifoMaxBufMask)
0
Mask the interrupt
1
Enable the interrupt
D20
R/W
FCMBM
0x0
Forward command FIFO max buffer mask
(FwCmdFifoMaxBufMask)
0
Mask the interrupt
1
Enable the interrupt
D19
R/W
FDRIM
0x0
Forward data FIFO ready interrupt mask
(FwDatFifoRdyInterruptMask)
0
Mask the interrupt
1
Enable the interrupt
D18
R/W
FCRIM
0x0
Forward command FIFO ready interrupt mask
(FwCmdFifoRdyInterruptMask)
0
Mask the interrupt
1
Enable the interrupt
D17
R/W
I1M
0x0
Peripheral controller interrupt 1 mask
0
Mask the interrupt
1
Enable the interrupt
D16:11
N/A
Reserved
N/A
N/A
D10
R/C
RFRI
0x1
Reverse FIFO ready interrupt (RvFifoRdyInterrupt)
Asserted when the reverse FIFO can accept the number of
bytes specified in the reverse ready threshold bit in the
IEEE 1284 General Configuration register.
D09
N/A
Reserved
0x1
N/A
D08
N/A
Reserved
0x0
N/A
Bits
Access
Mnemonic
Reset
Description
Table 392: Interrupt Status and Control register