5136-DNP-PCI
Hardware Reference
© 1999 SST/Woodhead Canada Limited
12
Bit Name
Description
HealthGrn
(HLTH)
This bit controls and indicates the state of the card’s health LED.
•
When this bit is 1, and the watchdog has not timed out, the LED is green.
•
When this bit is 0, the LED is red.
•
When the watchdog has timed out, the LED is red.
WDInh
(WDI)
This bit controls and indicates whether or not the card’s watchdog is enabled.
•
When this bit is 0, the watchdog is enabled.
•
When this bit is 1, the watchdog is inhibited.
CardRun
(RUN)
This bit controls and indicates whether or not the card’s processor is running.
•
When this bit is 0, the processor is halted.
•
When this bit is 1, the processor is running, unless the watchdog has timed
out.
This bit must remain low for at least 50
µ
s to guarantee proper reset.
4.3.4 Identification Register - IDR - Base A 7
IDR at Base A 7 is identical to that of ProMode. Refer to section 4.2.10.
4.4 PCI Configuration
Upon power up, the PCI Configuration is as follows.
PCI CFG
Register
Address
Register Function
32 24 23 16 15 8 7
0
PCI
Writable
0x00
Device ID
0x9050
Vendor ID
0x10B5
N
0x04
Status
0x0000
Command
0x0000
Y
0x08
Class Code
0x028000
Revision ID
Factory set
N
0x0C
BIST
0x00
Header ID
0x00
PCI Latency
0x00
CacheLineSize
0x00
Y[7:0]
0x10
PCI Base Address 0 for Memory-Mapped Config Registers
0xFFFFFF80
Y
0x14
PCI Base Address 1 for IO-Mapped Config Registers
0x00000000
Y
0x18
PCI Base Address 2 for Local Address Space 0
Shared RAM Access Window
0xFFFC0000
Y
0x1C
PCI Base Address 3 for Local Address Space 1
I/O Space Access Window
0xFFFFFFF9
Y
0x20
PCI Base Address 4 for Local Address Space 2
0x0000000
Y
0x24
PCI Base Address 5 for Local Address Space 3
0x00000000
Y
0x28
Cardbus CIS Pointer (Not supported)
0x00000000
N
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