Rainbow Electronics W90N745CDG - Manual (Page 137)

W90N745CD/W90N745CDG
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Continued.
BITS DESCRIPTIONS
[17] EnTXEMP
The Enable Transmit FIFO Underflow Interrupt controls the TXEMP
interrupt generation. If TXEMP of MISTA register is set, and both
EnTXEMP and EnTXINTR are enabled, the EMC generates the Tx
interrupt to CPU. If EnTXEMP or EnTXINTR is disabled, no Tx interrupt
is generated to CPU even the TXEMP of MISTA register is set.
1’b0: TXEMP of MISTA register is masked from Tx interrupt
generation.
1’b1: TXEMP of MISTA register can participate in Tx interrupt
generation.
[16] EnTXINTR
The EnTXINTR controls the Tx interrupt generation.
If Enable Transmit Interrupt is enabled and TXINTR of MISTA
register is high, EMC generates the Tx interrupt to CPU. If EnTXINTR
is disabled, no Tx interrupt is generated to CPU even the status bits
17~24 of MISTA are set and the corresponding bits of MIEN are
enabled. In other words, if S/W wants to receive Tx interrupt from
EMC, this bit must be enabled. And, if S/W doesn’t want to receive any
Tx interrupt from EMC, disables this bit.
1’b0: TXINTR of MISTA register is masked and Tx interrupt generation
is disabled.
1’b1: TXINTR of MISTA register is unmasked and Tx interrupt
generation is enabled.
[15] Reserved --
[14] EnCFR
The Enable Control Frame Receive Interrupt controls the CFR
interrupt generation. If CFR of MISTA register is set, and both EnCFR
and EnTXINTR are enabled, the EMC generates the Rx interrupt to
CPU. If EnCFR or EnTXINTR is disabled, no Rx interrupt is generated
to CPU even the CFR of MISTA register is set.
1’b0: CFR of MISTA register is masked from Rx interrupt generation.
1’b1: CFR of MISTA register can participate in Rx interrupt generation.
[13:12] Reserved --
[11] EnRxBErr
The Enable Receive Bus Error Interrupt controls the RxBerr interrupt
generation. If RxBErr of MISTA register is set, and both EnRxBErr and
EnTXINTR are enabled, the EMC generates the Rx interrupt to CPU. If
EnRxBErr or EnTXINTR is disabled, no Rx interrupt is generated to
CPU even the RxBErr of MISTA register is set.
1’b0: RxBErr of MISTA register is masked from Rx interrupt generation.
1’b1: RxBErr of MISTA register can participate in Rx interrupt
generation.