5136-DNP-PCI
Hardware Reference
© 1999 SST/Woodhead Canada Limited
10
4.2.10 Identification Register - IDR - Base A 7
Bit
7
6
5
4
3
2
1
0
Reset
1
0
1
0
0
0
0
0
Read/Write
R/W
R
R
R
R
R
R
R
SIDR Name
IdMode
CardId=0x10
Read/Write
R/W
R
R
R/W
R/W
R/W
R
R/W
AIDR Name
IdMode
Lock
Reserved
SEL
Di
Do
CLK
Bit Name
Description
IdMode
This bit selects the functionality of the remaining bits in the ID Register.
•
1 selects Advanced ID Register (AIDR)
•
0 selects Simple ID Register (SIDR)
CardId
This is a 7 bit unique card Identifier.
•
A value of 0x10 indicates that this is a 5136-DNP-PCI card.
CLK
This bit controls the data clock to the card’s EEPROM.
Do
This bit provides output data from the card’s EEPROM.
Di
This bit is the input data to the card’s EEPROM.
Sel
This bit controls the select pin on the card’s EEPROM. The Lock bit must be set
before the Sel bit may be enabled.
Reserved
These bits are reserved for future use. Always write 0.
Lock
This bit is a semaphore between the card processor and the host. It determines who
has control of the EEPROM.
•
Writing 1 indicates that the host would like control.
•
Writing 0 indicates that the host no longer needs control.
•
Reading 1 means that the host may have control.
•
Reading 0 means that the host may NOT have control.
4.3 DeviceNet Compatibility Mode I/O Registers
Offset
Register
7
6
5
4
3
2
1
0
0
BCR0
MemEn
Bank
IntEn
IrqPending
Reserved
CardInt
1
BCR1
Win16K
Reserved
Reserved
Reserved
2
BCR2
CardRun
WDInh
HealthGrn
Mode
Reserved
7
AIDR
IdMode
Lock
Reserved
SEL
Di
Do
CLK
7
SIDR
IdMode
CardId
4.3.1 Main Board Control Register - BCR0 - Base A 0
Bit
7
6
5
4
3
2
1
0
Read/Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
Name
MemEn
Bank
IntEn
IrqPending
Reserved
CardInt
Bit Name
Description
CardInt
(CINT)
This bit is used to send interrupts to the card processor.
•
Writing 1 generates an interrupt to the card
•
Writing 0 has no effect
•
Reading 1 indicates interrupt in progress.
•
Reading 0 indicates interrupt complete.
Reserved
This bit is read/write for backward compatibility.
This bit has no effect.
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