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SC1100 Datasheet, PDF (26/348 Pages) National Semiconductor (TI) – Geode™ Information Appliance On a Chip
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Signal Definitions (Continued)
Table 2-2. Ball Assignment - Sorted by Ball Number (Continued)
Ball
No.
AE22
AE23
AE24
AE25
AE26
AF1
AF2
AF3
AF4
AF5
AF6
AF7
AF8
AF9
AF10
AF11
AF12
I/O Buffer1 Power
Signal Name (PU/PD) Type Rail Configuration
SYNC
CLKSEL3
GPIO12
AB2C
F_AD3
O
I
(PD100)
I/O
(PU22.5)
O2/5
INAB
INAB,
O2/8
I/O INAB,
(PU22.5) OD8
O
O2/8
(PU22.5)
NC
---
---
VSS
VIO
VSS
VIO
IDE_DATA11
IDE_DATA10
IDE_DATA9
AVCCUSB
DPOS_PORT2
DNEG_PORT2
AVSSPLL
X27I
GND
PWR
GND
PWR
I/O
I/O
I/O
PWR
I/O
I/O
GND
I
---
---
---
---
INTS1,
TS1/4
INTS1,
TS1/4
INTS1,
TS1/4
---
INUSB,
OUSB
INUSB,
OUSB
---
WIRE
GPIO7
I/O
INTS,
(PU22.5) O1/4
RTS#
O
O1/4
IDE_DACK1#
O
O1/4
(PU22.5)
F_C/BE3#
O
O1/4
GPIO10
DSR#
I/O
INTS,
(PU22.5) O1/4
I
INTS
IDE_IORDY1
I
INTS1
(PU22.5)
F_FRAME#
O
O1/4
VIO ---
Strap
VIO PMR[19] = 0 and
PMR[27] = 0 and
FPCI_MON = 0
PMR[19] = 1 and
PMR[27] = 0 and
FPCI_MON = 0
PMR[27] = 1 or
FPCI_MON = 1
(overrides PMR[19])
--- ---
--- ---
--- ---
--- ---
--- ---
VIO ---
VIO ---
VIO ---
--- ---
AVC- ---
CUSB
AVC- ---
CUSB
--- ---
VIO ---
VIO PMR[17] = 0 and
PMR[8] = 0 and
PMR[27] = 0 and
FPCI_MON = 0
PMR[17] = 1 and
PMR[8] = 0 and
PMR[27] = 0 and
FPCI_MON = 0
PMR[17] = 0 and
PMR[8] = 1 and
PMR[27] = 0 and
FPCI_MON = 0
PMR[27] = 1 or
FPCI_MON = 1
(overrides PMR[17]
and PMR[8])
VIO PMR[18] = 0 and
PMR[8] = 0 and
PMR[27] = 0 and
FPCI_MON = 0
PMR[18] = 1 and
PMR[8] = 0 and
PMR[27] = 0 and
FPCI_MON = 0
PMR[18] = 0 and
PMR[8] = 1 and
PMR[27] = 0 and
FPCI_MON = 0
PMR[27] = 1 or
FPCI_MON = 1
(overrides PMR[18]
and PMR[8])
Ball
No.
AF13
AF14
AF15
AF16
AF17
Signal Name
VCORE
VCORE
PWRBTN#
VSB
GPWIO2
I/O Buffer1 Power
(PU/PD) Type Rail Configuration
PWR ---
--- ---
PWR ---
--- ---
I
(PU100)
PWR
INBTN
---
VSB ---
--- ---
I/O INBTN,
(PU100) TS2/14
VSB ---
AF182,3 PWRCNT2
O
OD14 VSB ---
AF19 GPIO11
RI#
I/O
(PU22.5)
I
(PU22.5)
INTS,
O8/8
INTS
VIO PMR[18] = 0 and
PMR[8] = 0
VSB/VIO PMR[18] = 1 and
PMR[8] = 0
(Note: Power rail
controlled by SW)
IRQ15
AF20 TDI
AF21 TMS
AF22 SDATA_IN
I
(PU22.5)
I
(PU22.5)
I
(PU22.5)
I
INTS
INPCI
INPCI
INT
VIO PMR[18] = 0 and
PMR[8] = 1
VIO ---
VIO ---
VIO PMR[27] = 0 and
FPCI_MON = 0
F_GNT0#
O
O2/5
PMR[27] = 1 or
FPCI_MON = 1
AF23 AC97_RST#
O
O2/5
VIO PMR[27] = 0 and
FPCI_MON = 0
F_STOP#
O
O2/5
PMR[27] = 1 or
FPCI_MON = 1
AF24 NC
---
---
--- ---
AF25 VIO
AF26 VSS
PWR ---
GND ---
--- ---
--- ---
1. For Buffer Type definitions, refer to Table 7-7 "Buffer
Types" on page 286.
2. Is back-drive protected (MD[63:0], DOS_PORT1,
DNEG_PORT1, DOS_PORT2, DNEG_PORT2,
DOS_PORT3, DNEG_PORT3, ONCTL#, and
PWRCNT[2:1]).
3. Is 5V tolerant (ONCTL# and PWRCNT[2:1])
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