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PCI7621 Datasheet, PDF (115/298 Pages) Texas Instruments – DUAL SINGLE SOCKET CARDBUS AND ILTRAMEDIA CONTROLLER WITH INTEGRATED 1304-A - CONTROLLER WITH DEDICATED FLASH MEDIA SOCKET | |||
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4.35 General-Purpose Output Register
The general-purpose output register is used to drive the GPO4âGPO0 outputs. See Table 4â13 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 4â13. General-Purpose Output Register Description
BIT
SIGNAL
TYPE
FUNCTION
7â5
RSVD
R Reserved. These bits return 0s when read. Writes have no effect.
4 â¡ GPO4_DATA RW This bit represents the logical value of the data driven to GPO4.
3 â¡ GPO3_DATA RW This bit represents the logical value of the data driven to GPO3.
2 â¡ GPO2_DATA RW This bit represents the logical value of the data driven to GPO2.
1 â¡ GPO1_DATA RW This bit represents the logical value of the data driven to GPO1.
0 â¡ GPO0_DATA RW This bit represents the logical value of the data driven to GPO0.
â¡ This bit is cleared only by the assertion of GRST.
4â25
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