Revision 5.01 – November 30, 2005
S5335 – PCI Bus Controller, 3.3V
Data Sheet
Header Type Register (HDR)
This register consists of two fields: Bits 6:0 define the
format for bytes 10h through 3Fh of the device config-
uration header, and bit 7 establishes whether this
device represents a single function (bit 7 = 0) or a mul-
tifunction (bit 7 = 1) PCI bus agent. The S5335 is a
single function PCI device.
Header Type
Register Name:
Address Offset:
Power-up value:
Boot-load:
0Eh
00h
External nvRAM offset 04Eh
Read Only
8 bits
Attribute:
Size:
Figure 15. Header Type Register
7
3
2
1
0
6
5
4
Bit
X
00h
Format field (Read Only)
Value
Single/Multi-function device (Read Only)
0 = single function
1 = multi-function
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