DM9008F View Datasheet(PDF) - Davicom Semiconductor, Inc.
Part Name
Description
MFG CO.
'DM9008F' PDF : 68 Pages View PDF
Interrupt Line Status Register
DM9008
ISA/Plug & Play Super Ethernet Contoller
The logic value of DM9008's eight interrupt pins can be read in register 09H of ENC, page 2.
7
IRQ15
6
IRQ12
5
IRQ11
4
IRQ10
3
IRQ9
2
IRQ5
1
IRQ4
0
IRQ3
Bit
0-7
Symbol
IRQ3-15
Description
INTERRUPT LINE STATUS: The logic values of interrupt pins IRQ3-15
Interrupt Line Pull-Down Register
When any one of the eight bits in register 09H of ENC page 2 is set to one, the corresponding interrupt line will be pulled down to GND
with a resistor whose value is approximately 1K. All bits of this register are power-on low.
7
6
5
4
3
IRQPD15 IRQPD12 IRQPD11 IRQPD10 IRQPD9
2
IRQPD5
1
IRQPD4
0
IRQPD3
Bit
0-7
Symbol
Description
IRQPD3-15 INTERRUPT LINE PULL-DOWN: When one, enables the interrupt line to be pulled down
with 1K resistor
Boot ROM Page Register
The boot ROM page register can be read or written in register 0AH of ENC page 2.
All bits of this register are power-on low.
7
6
5
4
3
2
XMA8
XMA7
XMA6
XMA5
XMA4
XMA3
1
XMA2
0
XMA1
Bit
0-7
Symbol
XMA1-8
Description
BOOT ROM PAGE ADDRESS: When boot ROM is read by host, the value of this register will
be indicated by MEMORY ADDRESS PA0-7
14
Final
Version: DM9008-DS-F02
November 30, 2000
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