34 AMD Geodeā„¢ SC2200 Processor Data Book
Signal Definitions
32580B
M4 AD8 I/O INPCI,
OPCI
VIO Cycle Multiplexed
A8 O OPCI
M28 GPIO32 I/O
(PU22.5)
INPCI,
OPCI
VIO PMR[14]4 = 0 and
PMR[22]4 = 0
LAD0 I/O
(PU22.5)
INPCI,
OPCI
PMR[14]4 = 1 and
PMR[22]4 = 1
M29 GPIO13 I/O
(PU22.5)
INAB, O8/8 VIO PMR[19] = 0
AB2D I/O
(PU22.5)
INAB, OD8VIO PMR[19] = 1
M30 VIO PWR --- --- ---
M31 VSS GND --- --- ---
N1 AD3 I/O INPCI,
OPCI
VIO Cycle Multiplexed
A3 O OPCI
N2 AD6 I/O INPCI,
OPCI
VIO Cycle Multiplexed
A6 O OPCI
N3 AD5 I/O INPCI,
OPCI
VIO Cycle Multiplexed
A5 O OPCI
N4 VSS GND --- --- ---
N13 VCORE PWR --- --- ---
N14 VCORE PWR --- --- ---
N15 VSS GND --- --- ---
N16 VSS GND --- --- ---
N17 VSS GND --- --- ---
N18 VCORE PWR --- --- ---
N19 VCORE PWR --- --- ---
N28 VSS GND --- --- ---
N29 GPIO12 I/O
(PU22.5)
INAB, O8/8 VIO PMR[19] = 0
AB2C I/O
(PU22.5)
INAB, OD8PMR[19] = 1
N30 AB1D I/O
(PU22.5)
INAB, OD8VIO PMR[23]3 = 0
GPIO1 I/O
(PU22.5)
INT
, O3/5 PMR[23]3 = 1 and
PMR[13] = 0
IOCS1# O O3/5 PMR[23]3 = 1 and
PMR[13] = 1
N31 AB1C I/O
(PU22.5)
INAB, OD8VIO PMR[23]3 = 0
GPIO20 I/O
(PU22.5)
INT
, O3/5 PMR[23]3 = 1 and
PMR[7] = 0
DOCCS# O O3/5 PMR[23]3 = 1 and
PMR[7] = 1
P1 AD4 I/O INPCI,
OPCI
VIO Cycle Multiplexed
A4 O OPCI
P2 IDE_CS1# O O1/4 VIO PMR[24] = 0
TFTDE O O1/4 PMR[24] = 1
Ball
No. Signal Name
I/O
(PU/PD)
Buffer1
Type
Power
Rail Configuration
P3 AD1 I/O INPCI,
OPCI
VIO Cycle Multiplexed
A1 O OPCI
P4 VCORE PWR --- --- ---
P13 VCORE PWR --- --- ---
P14 VCORE PWR --- --- ---
P15 VSS GND --- --- ---
P16 VSS GND --- --- ---
P17 VSS GND --- --- ---
P18 VCORE PWR --- --- ---
P19 VCORE PWR --- --- ---
P28 VCORE PWR --- --- ---
P29 SDATA_OUT O OAC97 VIO ---
TFT_PRSNT I
(PD100)
INSTRP VIO Strap (See Table
3-4 on page 45.)
P30 SYNC O OAC97 VIO ---
CLKSEL3 I
(PD100)
INSTRP Strap (See Table
3-4 on page 45.)
P31 AC97_CLK O O2/5 VIO PMR[25] = 1
R1 VSS GND --- --- ---
R2 VSS GND --- --- ---
R3 VSS GND --- --- ---
R4 VSS GND --- --- ---
R13 VSS GND --- --- ---
R14 VSS GND --- --- ---
R15 VSS GND --- --- ---
R16 VSS GND --- --- ---
R17 VSS GND --- --- ---
R18 VSS GND --- --- ---
R19 VSS GND --- --- ---
R28 VSS GND --- --- ---
R29 VSS GND --- --- ---
R30 VSS GND --- --- ---
R31 VSS GND --- --- ---
T1 VCORE PWR --- --- ---
T2 VCORE PWR --- --- ---
T3 VCORE PWR --- --- ---
T4 VCORE PWR --- --- ---
T13 VSS GND --- --- ---
T14 VSS GND --- --- ---
T15 VSS GND --- --- ---
T16 VSS GND --- --- ---
T17 VSS GND --- --- ---
T18 VSS GND --- --- ---
T19 VSS GND --- --- ---
T28 VCORE PWR --- --- ---
T29 VCORE PWR --- --- ---
Ball
No. Signal Name
I/O
(PU/PD)
Buffer1
Type
Power
Rail Configuration
Table 3-2. BGU481 Ball Assignment - Sorted by Ball Number (Continued)