Texas Instruments Dual/Single Socket CardBus and UntraMedia Controller PCI7621 User Manual
Page 271
12−17
12.28 Slot 3 3.3-V Maximum Current Register
This register is a read/write register and the contents of this register are aliased to the 3_3_MAX_CURRENT field
in the slot 3 maximum current capabilities register at offset 48h in the SD host standard registers. This register is a
GRST only register. If slot 3 is not implemented, this register is read-only and returns 0s when read.
Bit
7
6
5
4
3
2
1
0
Name
Slot 3 3.3-V maximum current
Type
RW
RW
RW
RW
RW
RW
RW
RW
Default
0
0
0
0
0
0
0
0
Register:
Slot 3 3.3-V maximum current
Type:
Read/Write
Offset:
A0h
Default: 0000h
12.29 Slot 4 3.3-V Maximum Current Register
This register is a read/write register and the contents of this register are aliased to the 3_3_MAX_CURRENT field
in the slot 4 maximum current capabilities register at offset 48h in the SD host standard registers. This register is a
GRST only register. If slot 4 is not implemented, this register is read-only and returns 0s when read.
Bit
7
6
5
4
3
2
1
0
Name
Slot 4 3.3-V maximum current
Type
RW
RW
RW
RW
RW
RW
RW
RW
Default
0
0
0
0
0
0
0
0
Register:
Slot 4 3.3-V maximum current
Type:
Read/Write
Offset:
A4h
Default: 0000h
12.30 Slot 5 3.3-V Maximum Current Register
This register is a read/write register and the contents of this register are aliased to the 3_3_MAX_CURRENT field
in the slot 5 maximum current capabilities register at offset 48h in the SD host standard registers. This register is a
GRST only register. If slot 5 is not implemented, this register is read-only and returns 0s when read.
Bit
7
6
5
4
3
2
1
0
Name
Slot 5 3.3-V maximum current
Type
RW
RW
RW
RW
RW
RW
RW
RW
Default
0
0
0
0
0
0
0
0
Register:
Slot 5 3.3-V maximum current
Type:
Read/Write
Offset:
A8h
Default: 0000h