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UM10503
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© NXP B.V. 2015. All rights reserved.
User manual
Rev. 2.1 — 10 December 2015
855 of 1441
NXP Semiconductors
UM10503
Chapter 28: LPC43xx/LPC43Sxx Ethernet
The interrupt (sbd_intr_o_interrupt) is generated as shown in
. It is asserted
when the NIS/AIS Status bit is asserted and the corresponding Interrupt Enable bits
(NIE/AIE) are enabled.
15
AIE
Abnormal interrupt summary enable
When this bit is set, an Abnormal Interrupt is enabled. When this bit is reset, an
Abnormal Interrupt is disabled. This bit enables the following bits
DMA_STAT register, bit 1: Transmit process stopped
DMA_STAT register, bit 3: Transmit jabber timeout
DMA_STAT register, bit 4: Receive overflow
DMA_STAT register, bit 5: Transmit underflow
DMA_STAT register, bit 7: Receiver buffer unavailable
DMA_STAT register, bit 8: Receive process stopped
DMA_STAT register, bit 9: Receive watchdog timeout
DMA_STAT register, bit 10: Early transmit interrupt
DMA_STAT register, bit 13: Fatal bus error
0
R/W
16
NIE
Normal interrupt summary enable
When this bit is set, a normal interrupt is enabled. When this bit is reset, a normal
interrupt is disabled. This bit enables the following bits:
DMA_STAT register, bit 0: Transmit interrupt
DMA_STAT register, bit 2: Transmit buffer unavailable
DMA_STAT register, bit 6: Receive interrupt
DMA_STAT register, bit 14: Early receive interrupt
0
R/W
31:17
-
Reserved
0 RO
Table 638. DMA Interrupt enable register (DMA_INT_EN, address 0x4001 101C) bit description
…continued
Bit
Symbol
Description
Reset
value
Access
Fig 79. Interrupt generation
OR
sbd _intr_o
AN D
AN D
AN D
AN D
AN D
AN D
OR
NIS
OR
AIS
NIE
AIE
TI
TIE
ERI
ERE
TPS
TSE
FBI
FBE