402-00005-00
Registers
3–12
Rev 02; February 8, 2002
3.1.9 Header Type (HDR) R-O
0
7
Address offset 0xE
0
0
0
0
0
0
0
0
HDR
This register is used to define the configuration header layout for bytes at address 0x10 thru 0x3F. It also defines the
PCVisionplus as a single function PCI device. This register is boot-loaded at power-up to a value of zero and is read
only.
3.1.10 Built-In Self-Test (BIST) R-O
0
7
Address offset 0xF
0
0
0
0
0
0
0
0
BIST
Built-In Self-Test is not supported on the PCVisionplus. This register is boot-loaded at power-up to a value of zero
and is read only.
3.1.11 Base Address Zero (BADR0) R-O
0
7
Address offset 0x10
ADR7
ADR6
ADR5
ADR4
ADR3
ADR2
ADR1
ADR0
8
15
ADR15
ADR14
ADR13
ADR12
ADR11
ADR10
ADR9
ADR8
BADR0
16
23
ADR23
ADR22
ADR21
ADR20
ADR19
ADR18
ADR17
ADR16
24
31
ADR31
ADR30
ADR29
ADR28
ADR27
ADR26
ADR25
ADR24
This register is boot-loaded at power-up with a value that indicates the amount of address space required for the PCI
Interface Control Registers (16 DWORDs or 64 bytes are required). During power-up the PCI host system reads this
register to determine the size of the address region and assigns a base address. The PCI host writes the assigned base
address in this register. The user application can determine the assigned address by reading Base Address Zero
(BADR0). Access to this space is DWORD only. This register is read-only to the user application.
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