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Functional Description
CP3002
Page 2 - 28
ID 1042-9252, Rev. 2.0
P R E L I M I N A R Y
Serial ATA Interfaces
The CP3002 provides two Serial ATA interfaces on the rear I/O CompactPCI connector J2.
USB Interfaces
Two USB 2.0 ports are available on the rear I/O CompactPCI connector J2.
Table 2-22: Serial ATA Signal Description
PIN on J2
SIGNAL
FUNCTION
DRIVEN BY
SIGNALING VOLTAGE
A6
Positive input port A
Rear I/O module Differential
A5
SATAARX-
Negative input port A
Rear I/O module Differential
A9
Positive output port A
CP3002
Differential
A8
SATAATX-
Negative output port A
CP3002
Differential
E6
Positive input port B
Rear I/O module Differential
E5
SATABRX-
Negative input port B
Rear I/O module Differential
E9
Positive output port B
CP3002
Differential
E8
SATABTX-
Negative output port B
CP3002
Differential
Table 2-23: USB Signal Description
PIN on J2
SIGNAL
FUNCTION
DRIVEN BY
SIGNALING VOLTAGE
C21
USBA+
Positive USB port A
Bidirectional
Differential
C20
USBA-
Negative USB port A
Bidirectional
Differential
E21
USBA_PWR_5V USB power supply 5 V port A
CP3002
5 V
D21
USBB+
Positive USB port B
Bidirectional
Differential
D20
USBB-
Negative USB port B
Bidirectional
Differential
E20
USBB_PWR_5V USB power supply 5 V port B
CP3002
5 V