Digi NS7520 DJ Equipment User Manual


 
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Serial Controller Module
Receiver interrupts
D07:05 R/W IE 0 Receiver interrupt condition
The interrupt enable bits are used to enable an
interrupt when the respective status bit is set
in Serial Channel Status A.
Setting the IE field to 1 enables the
interrupt.
Setting the IE field to 0 disables the
interrupt.
Table 86, “Receiver interrupt enable bits,” on
page 229, lists individual bit numbers and
descriptions.
D04:01 R/W IE 0 Transmitter interrupt condition
The interrupt enable bits are used to enable an
interrupt when the respective status bit is set
in Serial Channel Status A.
Setting the IE field to 1 enables the
interrupt.
Setting the IE field to 0 disables the
interrupt.
Table 87, “Transmitter interrupt enable bits,”
on page 230, lists individual bit numbers and
descriptions.
D00 R/W ETXDMA 0 Enable transmit DMA requests
Enables the transmitter to interact with a DMA
channel. When configured to operate in DMA
mode, the DMA controller loads the transmit
data FIFO from memory.
Clear this bit to pause the transmitter.
Bit Mnemonic Description
D15 ERXBRT Receive break interrupt enable
D14 ERFE Receive framing error interrupt enable
Table 86: Receiver interrupt enable bits
Bits Access Mnemonic Reset Description
Table 85: Serial Channel Control Register A