Chapter:
Connectors
PCIe Interface
page 20 embedded-logic
PB945+
4.5 PCIe Interface
As an option, the PB945+ board can be equipped with a 32 pin PCIe connector (Samtec QMS...). USB
channels 7 and 8 are also provided through this connector.
Description
Name
Pin
Name
Description
PCIe slot 0 clock +
PECLK0
1
17
SMCLK
SMBus clock
PCIe slot 0 clock -
PECLK0#
2
18
SMDAT
SMBus data
PCIe 0 receive data +
PER0
3
19
PET0
PCIe 0 transmit data +
PCIe 0 receive data -
PER0#
4
20
PET0#
PCIe 0 transmit data -
PCIe slot 1 clock +
PECLK1
5
21
WAKE#
PCIe wake
PCIe slot 1 clock -
PECLK1#
6
22
PERST#
PCIe reset
PCIe 1 receive data +
PER1
7
23
PET1
PCIe 1 transmit data +
PCIe 1 receive data -
PER1#
8
24
PET1#
PCIe 1 transmit data -
PCIe slot 2 clock +
PECLK2
9
25
PE0CEN#
PCIe 0 clock enable
PCIe slot 2 clock -
PECLK2#
10
26
PE1CEN#
PCIe 1 clock enable
PCIe 2 receive data +
PER2
11
27
PET2
PCIe 2 transmit data +
PCIe 2 receive data -
PER2#
12
28
PET2#
PCIe 2 transmit data -
USB overcurrent 6
OC6#
13
29
PE2CEN#
PCIe 2 clock enable
USB overcurrent 7
OC7#
14
30
SMALERT# SMBus alert
USB + channel 7
USB6
15
31
USB7
USB + channel 8
USB - channel 7
USB6#
16
32
USB7#
USB - channel 8
Summary of Contents for PB945+
Page 2: ......
