SB16C1054PCI_Data Sheet_EN
SB16C1054PCI
PCI Target Interface Controller
with Quad-UART
JULY 2013 REV 1.04
29
11. Option I/O Space
Option I/O Space is determined by Base Address Register 1 (14h ~ 17h) from PCI Configuration Space.
Contents of I/O register which is installed in this area include basic information about PCI Multi Port hardware. The
size of this area is 32(00h ~ 1Fh) bytes total.
This Option Registers are made by SystemBase for users to control and manage Serial Multi-Port more easily and
conveniently. Users and software developers can easily control Serial Interface of Multi-Port with them.
Table 11-1: Option I/O Register Map Cf. RO – Read Only, WO – Write Only, RW – Read/Write
I/O Address
Register Name
I/O
00h
GIR0 (General Information Register 0 – Port Number)
RO
01h
GIR1 (General Information Register 1 – Product Version)
RO
02h
GIR2 (General Information Register 2 – Minor Version)
RO
03h
GIR3 (General Information Register 3 – PCI Core Version)
RO
03h
SRR (Software Reset Register)
WO
04h
DIR (Port1 ~ Port4, Device Information Register)
RO
05 ~ 07h
Reserved
-
08h
IIR0 (Port1 ~ Port4, Interface Information Register)
RW
09 ~ 0Bh
Reserved
-
0Ch
IMR (Port1 ~ Port4, Interrupt Mask Register)
RW
0D ~ 0Fhh
Reserved
-
10h
IPR (Port1 ~ Port4, Interrupt Poll Register)
RO
11 ~ 17h
Reserved
-
18h
PPMRR (PM_PME Message Resource Register in D3hot)
RW
19 ~ 1Bh
Reserved
-
1Ch~1Fh
Reserved
-
20h
GOER (GPIO Output Enable Register)
RW
21h
GOR (GPIO Output Register)
RW
22h
GIR (GPIO Input Register)
RO
23 ~ 2Fh
Reserved
-
11.1 General Information Register0 – Port Number (GIR0)
Port Number: Shows how many ports are installed on current Serial Multi-Port and it has 4 ports.
Generally, type of Serial Multi-Port shows number of ports that are installed.
11.2 General Information Register1 – Product Version (GIR1)
General Information Register1 indicates the version of PCI Target Controller. (Currently B0h meaning
B.0)
11.3 General Information Register2 – Sub-Product Version (GIR2)
General Information Register2 indicates the sub-product the version of PCI Target Controller.
Sub-Product Version = 03h means Serial 4-port mode