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DM9008 Datasheet(PDF) 21 Page - List of Unclassifed Manufacturers

Part # DM9008
Description  ISA/Plug & Play Super Ethernet Contoller
PDF  68 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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DM9008 Datasheet(HTML) 21 Page - List of Unclassifed Manufacturers

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DM9008
ISA/Plug & Play Super Ethernet Contoller
Final
21
Version :DM9008-DS-F02
June 14, 2000
Interrupt Mask Register (IMR)
The Interrupt Mask Register is used to mask interrupts. Each
interrupt mask bit corresponds to a bit in the Interrupt Status
Register (ISR). If an interrupt mask bit is set, an interrupt will be
issued whenever the corresponding bit in the ISR is set. If any
bit in the IMR is set low, an interrupt will not occur when the bit
in the ISR is set. The IMR powers up all zeroes.
76
5432
1
0
--
RDCE
CNTE
OVWE
TXEE
RXEE
PTXE
PRXE
Bit
Symbol
Description
D0
PRXE
PACKET RECEIVED INTERRUPT ENABLE
Enables interrupt when packet is received
D1
PTXE
PACKET TRANSMITTED INTERRUPT ENABLE
Enables interrupt when packet is transmitted
D2
RXEE
RECEIVE ERROR INTERRUPT ENABLE
Enables interrupt when packet is received with error
D3
TXEE
TRANSMIT ERROR INTERRUPT ENABLE
Enables interrupt when packet transmission results in error
D4
OVWE
OVERWRITE WARNING INTERRUPT ENABLE
Enables interrupt when Buffer Management Logic lacks sufficient buffers to store
incoming packet
D5
CNTE
COUNTER OVERFLOW INTERRUPT ENABLE
Enables interrupt when MSB of one or more of the Network Tally counters has been set
D6
RDCE
DMA COMPLETE INTERRUPT ENABLE
Enables interrupt when Remote DMA transfer has been completed
D7
--
Reserved



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