Table 5-3. Jumper settings
Reference designator
Description
Status 1
Status 2
J15
Battery selection for VDD_LP
source
Mounted: Battery acts as a
VDD_LP input source
Unmounted: Battery is
disconnected
J16
Tamper detection pin powered
selection
1-2: Tamper detection pin
powered on
2-3: Tamper detection pin
powered off
J13
GVDD voltage selection
Mounted: GVDD=1.5V for
DDR3
Unmounted: GVDD=1.35V for
DDR3L
J19
Fan speed control
Mounted: Fan is in full speed
mode
Unmounted: Fan speed is
controlled by CPLD
5.4 JTAG/COP Connector
The JTAG connection is provided by a direct connection to the appropriate header
connector.
COP is a part of the C29x's JTAG module and is implemented as a set of additional
instructions and logic. This port can connect to a dedicated emulator for extensive system
debugging. Several third-party emulators available in the market can connect to the host
computer using the Ethernet port, USB port, parallel port, RS-232, and so on.
The figure below shows a typical setup for the COP connector using a USB port
emulator.
PC
COP Port
C29x PCIe Card
USB
Emulator
USB Port
Figure 5-1. COP connector setup
A 16-pin generic header connector carries the JTAG/COP signals and additional signals
for system debugging. The pinout of this connector is shown in the figure below.
JTAG/COP Connector
C29x PCIe Card User Guide, Rev. 0, 10/2013
32
Freescale Semiconductor, Inc.
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