Acrosser ACE-MINI - Manual (Page 38)

Revision: 1.0
38
Cache Line Size Register (0Ch)
Bit Field Description
Software
Readable
Software Writable
Value
after
Reset
7 : 0
System Cache Line Size (in units of
32-bit words). Can be written and
read; however, the value has no
effect on operation of chip.
Yes No 0
Latency Timer Register (0Dh)
Bit Field Description
Software
Readable Software
Writable
Value after
Reset
15 : 8 PCI Latency Timer. Not Supported. Yes No 0
Header Type Register (0Eh)
Bit Field Description
Software
Readable Software
Writable
Value after
Reset
22 : 16
Configuration Layout Type. Specifies layout of bits 10h
through 3Fh in configuration space. Only one encoding 0 is
defined. All other encodings are reserved.
Yes No 0
23
Header Type. Value of 1 indicates multiple functions. Value of
0 indicates a single
Function.
Yes No 0
Built-In Self Test Register (0Fh)
Bit Field Description
Software
Readable Software
Writable
Value after
Reset
31 : 24
Built-In Self Test. Value of 0 indicates that device has passed
its test. Not Supported.
Yes No 0
Base Address 0 Registers for Memory Accesses to Local Configuration (10h)
Bit Field Description
Software
Readable Software
Writable
Value after
Reset
0
Memory Space Indicator. Value of 0 indicates register maps
into Memory space. Value of 1 indicates register maps into
I/O space.
Yes No 0
2 : 1
Location of register:
00 = Locate anywhere in 32 bit memory address space
01 = Locate below 1 MB memory address space
10 = Locate anywhere in 64 bit memory address space
11 = Reserved
Yes No 0
3 Prefetchable. Value of 1 indicates no side effect on reads. Yes No 0
6 : 4
Memory Base Address. Memory base address for access to
local configuration registers . (default 1024 Kbytes)
Yes No 0
31 : 7
Memory Base Address. Memory base address for access to
local configuration registers.
Yes Yes 0