PCI1620 Datasheet, PDF (92/164 Pages) Texas Instruments – DUAL-SOCKET PL CARD AND UITRAMEDIA CONTROLLER

4.37 General-Purpose Output Register
The general-purpose output register is used to drive the GPO4−GPO0 outputs. See Table 4−12 for a complete
description of the register contents.
Bit
7
6
5
4
3
2
1
0
Name
General-purpose output
Type
R
R
R
RW
RW
RW
RW
RW
Default
0
0
0
0
0
0
0
0
Register:
Offset:
Type:
Default:
General-purpose output
8Bh
Read-only, Read/Write
00h
Table 4−12. General-Purpose Output Register Description
BIT
SIGNAL
TYPE
FUNCTION
7−5
RSVD
R Reserved. These bits return 0s when read. Writes have no effect.
4
GPO4_DATA RW This bit represents the logical value of the data driven to GPO4.
3
GPO3_DATA RW This bit represents the logical value of the data driven to GPO3.
2
GPO2_DATA RW This bit represents the logical value of the data driven to GPO2.
1
GPO1_DATA RW This bit represents the logical value of the data driven to GPO1.
0
GPO0_DATA RW This bit represents the logical value of the data driven to GPO0.
4−24