AM79C971KCW AMD [Advanced Micro Devices], AM79C971KCW Datasheet - Page 17

• Manufacturer Part Number: AM79C971KCW
• Manufacturer: AMD [Advanced Micro Devices]

PIN DESIGNATIONS
Listed By Group
Note:
1. Not including test features.
Listed By Driver Type
The following table describes the various types of out-
put drivers used in the Am79C971 controller. All I
I
See the DC Characteristics section for the values ap-
plying to 3.3 V signaling.
Pin Name
Power Supplies
AVDDB
AVSSB
VDD_PLL
VSS_PLL
VDD
VSS
VDDB
VSSB
VDD_PCI
Name
LED
OMII1
OMII2
O6
OD6
STS6
TS3
TS6
TSMII
OH
values shown in the table apply to 5 V signaling.
Pin Function
Analog I/O Buffer Power
Analog I/O Buffer Ground
Analog PLL Power
Analog PLL Ground
Digital Power
Digital Ground
I/O Buffer Power
I/O Buffer Ground
PCI I/O Buffer Power
Type
LED
Totem Pole
Totem Pole
Totem Pole
Open Drain
Sustained Tri-State
Tri-State
Tri-State
Tri-State
OL
and
Am79C971
A sustained tri-state signal is a low active signal that is
driven high for one clock period before it is left floating.
DO, TDO, and TPO are differential output drivers. Their
characteristics and the one of the XTAL output are de-
scribed in the DC Characteristics section.
I
OL
Type
(mA)
12
1
4
4
6
6
6
3
6
4
P
P
P
P
P
P
P
P
P
I
OH
Driver
(mA)
-0.4
-0.4
NA
-4
-4
-2
-2
-2
-4
NA
NA
NA
NA
NA
NA
NA
NA
NA
Load (pF)
No. of Pins
390
470
50
50
50
50
50
50
50
13
3
1
1
1
4
6
5
5
17