User Guide • PC3-ALLEGRO • CompactPCI
®
PlusIO CPU Board • Intel® i7-3xxx Processor
Processor Debug Header XDP1
The PC3-ALLEGRO may be equipped with a 26-position processor debug header for hard- and
software debugging (specified by Intel® as XDP-SFF-26 Pin Platform Connection). The connector is
suitable for installation of a flat flex cable (FFC), in order to attach an JTAG debugger (emulator) such
as the Arium ECM-XDP3. An adapter (ITP-XDP-SFF-26) is required in addition to convert the 26-pin
XDP-SFF-26 Pin connector to the standard 60-pin XDP.
The header XDP1 would be mounted on the PCB bottom side, but is not stuffed by default.
XDP Processor Debug Connector
1
OBSFN_A0 (PREQ#)
OBSFN_A1 (PRDY#)
2
3
GND
OBSDATA_A0
4
5
OBSDATA_A1
GND
6
7
OBSDATA_A2
OBSDATA_A3
8
9
GND
HOOK0 (CPU_PWRGOOD)
10
11
HOOK1 (XDP_PWRBTN)
HOOK2 (CFG[0])
12
13
HOOK3 (SYS_PWROK)
HOOK4 (BCLKP)
14
15
HOOK5 (BCLKN)
VCCOBS_AB (+1.05V)
16
17
HOOK6 (PLTRST#)
HOOK7 (DBRESET#)
18
19
GND
TDO
20
21
TRST#
TDI
22
23
TMS
TCK1
24
25
GND
TCK0 (TCK)
26
269.1.026.902
FFC Connector
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