SC2200 NSC [National Semiconductor], SC2200 Datasheet - Page 69

• Manufacturer Part Number: SC2200
• Description: Thin Client On a Chip
• Manufacturer: NSC [National Semiconductor]

Revision 3.0
Signal Definitions
2.4.9
2.4.10 Universal Serial Bus (USB) Interface Signals
Signal Name
IRQ14
IRQ15
Signal Name
POWER_EN
OVER_CUR#
DPOS_PORT1
DNEG_PORT1
DPOS_PORT2
DNEG_PORT2
DPOS_PORT3
DNEG_PORT3
IDE Interface Signals (Continued)
EBGA
EBGA
AH2
AG3
AH1
AG2
AE4
D25
H30
B28
C27
AF3
(Continued)
Ball No.
Ball No.
TEPBGA
TEPBGA
AH1
AF1
AF4
A28
B27
AJ8
A29
B28
A26
A27
Type
Type
I/O
I/O
I/O
I/O
I/O
I/O
O
I
I
I
Description
Interrupt Request Channels 0 and 1.
These input signals are edge-sensitive inter-
rupts that indicate when the IDE device is
requesting a CPU interrupt service.
Note: If selected as IRQ14/IRQ15 function
Description
Power Enable. This signal enables the
power to a self-powered USB hub.
Overcurrent. This signal indicates that the
USB hub has detected an overcurrent on the
USB.
USB Port 1 Data Positive for Port 1.
USB Port 1 Data Negative for port 1.
USB Port 2 Data Positive for Port 2.
USB Port 2 Data Negative for Port 2.
USB Port 3 Data Positive for Port 3.
USB Port 3 Data Negative for Port 3.
69
but not used, tie IRQ14/IRQ15 low.
GPIO11+RI2#
TFTD1
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Mux
Mux
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