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Connections
CB1067
35
Version: 1.0
5.21
PCI-Express x1 (P1304 and P1303)
Two PCI-Express x1 expansion card slots are available on the CB10647 board.
Fig. 22: PCIe x1 connector
NOTE
Observe pin assignment
In the pin assignment table below, note that for certain signals there are necessary differences between the
different PCIe-x1 connectors on the board. This applies to the clock signals (A13, A14), the receive signals
(A16, A17) and the transmit signals (B14, B15).
Pin assignment of PCI-Express x1 connector
Description
Name
Pin
Name
Description
Hot Plug Detect 1
PRSNT1#
A1
B1
12 V
12 V supply voltage
12 V supply voltage
12 V
A2
B2
12 V
12 V supply voltage
12 V supply voltage
12 V
A3
B3
RSVD
Not connected t
Ground
GND
A4
B4
GND
Ground
Not connected
TCK
A5
B5
SMBCLK
SMBus Clock PCIe
Not connected
TDI
A6
B6
SMBDAT
SMBus Data PCIe
Not connected
TDO
A7
B7
GND
Ground
Not connected
TMS
A8
B8
3.3 V
3.3 V supply voltage
3.3 V supply voltage
3.3 V
A9
B9
TRST
Reserved
3.3 V supply voltage
3.3 V
A10
B10 S3.3V
Standby voltage 3.3 V
PCIe Reset
PERST#
A11
B11 PEWAKE# Link Reactivation
Ground
GND
A12
B12 RSVD
Not connected
Reference Clock +
REFCLK
A13
B13 GND
Ground
Reference Clock -
REFCLK#
A14
B14 PET0
Transmit Lane 0 +
Ground
GND
A15
B15 PET0#
Transmit Lane 0 -
Receive Lane 0 +
PER0
A16
B16 GND
Ground
Receive Lane 0 -
PER0#
A17
B17 PRSNT2#
Hot Plug Detect 2
Ground
GND
A18
B18 GND
Ground
5.22
Audio connections (P1602)
Connections for Line-In, Line-Out and microphone are fed out in the form of three jack sockets for 3.5 mm
jack plugs.
Fig. 23: Audio connectors