TPCE275 (TEWS)
PCI Express XMC Carrier

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The Embedded I/O Company
TPCE275
PCI Express XMC Carrier
Version 1.0
User Manual
Issue 1.0.2
April 2013
TEWS TECHNOLOGIES GmbH
Am Bahnhof 7 25469 Halstenbek, Germany
Phone: +49 (0) 4101 4058 0 Fax: +49 (0) 4101 4058 19
e-mail: info@tews.com www.tews.com


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PCI Express XMC Carrier

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TPCE275-10R
PCI Express x1 Carrier for one XMC module, +12V
Power Supply from PCIe Connector, 12V VPWR, J14
I/O, J16 I/O, JTAG connections to XMC module via
10-pin header
TPCE275-11R
PCI Express x1 Carrier for one XMC module, +12V
Power Supply from PCIe Connector, 5V VPWR, J14
I/O, J16 I/O, JTAG connections to XMC module via
10-pin header
TPCE275-20R
PCI Express x1 Carrier for one XMC module, +12V
power supply from external PCIe graphics power
connector used (cable adapter enclosed in order), 12V
VPWR, J14 I/O, J16 I/O, JTAG connections to XMC
module via 10-pin header
TPCE275-21R
PCI Express x1 Carrier for one XMC module, +12V
power supply from external PCIe graphics power
connector used (cable adapter enclosed in order), 5V
VPWR, J14 I/O, J16 I/O, JTAG connections to XMC
module via 10-pin header
This document contains information, which is
proprietary to TEWS TECHNOLOGIES GmbH. Any
reproduction without written permission is forbidden.
TEWS TECHNOLOGIES GmbH has made any
effort to ensure that this manual is accurate and
complete. However TEWS TECHNOLOGIES GmbH
reserves the right to change the product described
in this document at any time without notice.
TEWS TECHNOLOGIES GmbH is not liable for any
damage arising out of the application or use of the
device described herein.
Style Conventions
Hexadecimal characters are specified with prefix 0x,
i.e. 0x029E (that means hexadecimal value 029E).
For signals on hardware products, an ‚Active Low’ is
represented by the signal name with # following, i.e.
IP_RESET#.
Access terms are described as:
W Write Only
R Read Only
R/W Read/Write
R/C Read/Clear
R/S Read/Set
2013 by TEWS TECHNOLOGIES GmbH
All trademarks mentioned are property of their respective owners.
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PCI Express XMC Carrier

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Issue
1.0.0
1.0.1
1.0.2
Description
Initial Issue
Added information about the stable time for the XMC slot
power supply
New board revision:
- Modification of power supply voltages on connectors X5
and X6:
o VPWR no longer available, is now always
+12V
o Additionally, +5V are now also available on X6
in TPCE275-x1 variants
o All voltages are now fuse protected
Date
September 2012
October 2012
April 2013
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Table of Contents
1 PRODUCT DESCRIPTION ........................................................................................... 6
2 TECHNICAL SPECIFICATION ..................................................................................... 7
3 HANDLING AND OPERATING INSTRUCTIONS ......................................................... 8
3.1 ESD Protection ................................................................................................................................8
3.2 Power Limits for XMC Modules .....................................................................................................8
3.3 Installation of XMC Modules ..........................................................................................................8
3.4 Installation of TPCE275-2xR ..........................................................................................................8
3.5 Installation of TPCE275-x0R ..........................................................................................................8
4 XMC INTERFACE ......................................................................................................... 9
4.1 Power Limits for XMC Modules .....................................................................................................9
4.2 Stable Power Supply.......................................................................................................................9
4.3 Installation of an XMC Module.......................................................................................................9
5 INDICATORS .............................................................................................................. 10
5.1 LED Indicators...............................................................................................................................10
6 PIN ASSIGNMENTS ................................................................................................... 11
6.1 XMC J15 .........................................................................................................................................11
6.2 XMC J14 Rear-I/O (X4 - VG64 Connector)...................................................................................12
6.3 XMC J16 Rear-I/O (50-Pin Flat Cable Connectors) ....................................................................13
6.3.1 X5 - J16 Differential I/O Lines.................................................................................................13
6.3.2 X6 - J16 Single-Ended I/O Lines ............................................................................................14
6.4 10-Pin JTAG Header (X7)..............................................................................................................15
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List of Figures
FIGURE 1-1 : TPCE275 BLOCK DIAGRAM .....................................................................................................6
FIGURE 5-1 : ONBOARD LED PLACEMENT ................................................................................................10
List of Tables
TABLE 2-1 : TECHNICAL SPECIFICATION.....................................................................................................7
TABLE 4-1 : CURRENT LIMITS FOR THE XMC MODULES...........................................................................9
TABLE 5-1 : ONBOARD LED DESCRIPTION ................................................................................................10
TABLE 6-1 : XMC J15 PIN ASSIGNMENT .....................................................................................................11
TABLE 6-2 : X4 - J14 I/O PIN ASSIGNMENT.................................................................................................12
TABLE 6-3 : X5 - J16 DIFFERENTIAL I/O LINES PIN ASSIGNMENT ..........................................................13
TABLE 6-4 : X6 - J16 SINGLE-ENDED I/O LINES PIN ASSIGNMENT .........................................................14
TABLE 6-5 : X7 - JTAG HEADER ...................................................................................................................15
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1 Product Description
The TPCE275 is a standard height PCI Express, Revision 1.1 compatible module that provides one slot for a
single-width XMC module used to build modular, flexible and cost effective I/O solutions for all kinds of
applications like process control, medical systems, telecommunication and traffic control.
The TPCE275 supports XMC front-panel I/O, and also XMC P14 and P16 Rear-I/O.
XMC P14 Rear-I/O is offered through a VME P2 style connector (IEC 60603-2, Type C). The I/O mapping of
P14 complies with VITA-35 (“PMC P4 to VME-P2, Rows A-C mapping”).
XMC P16 Rear-I/O is implemented through two 50 pin, 0.1 inch flat ribbon cable connectors providing
access to all P16 I/O lines. The single-ended signals of P16 are all routed to one flat cable connector, while
the differential signals are routed to the second connector.
The operating temperature range is 0°C to +70°C.
Figure 1-1 : TPCE275 Block Diagram
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PCI Express XMC Carrier

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2 Technical Specification
PCI Express
XMC Slot
Number of XMC Slots
XMC I/O Access
Mechanical and Electrical Interfaces
PCI Express x1, Revision 1.1
Standard Height
Full Length
ANSI/VITA 42.0 (R2008)
ANSI/VITA 42.3
Single-Width
XMC Interface
1
XMC Front Panel I/O
XMC P14 Rear I/O through VG64 Right Angle Male Connector
XMC P16 Rear I/O through 2x50-pin Flat Cable Connectors
Maximum Current for all Rear I/O Lines is 0.5A!
I/O Power Supply Access
+12V, +3.3V and +5V (TPCE275-x1 variants) are available on X5
and X6. All voltages are fuse protected.
The maximum current for each voltage is 0.5A!
On Board Devices
PCI Express ReDriver
PI2EQX4401D (Pericom)
Physical Data
Power Requirements
125mA maximum @ +3.3V DC
75mA maximum @ +12V DC
Additional power is required by the XMC Module!
Power Stable for XMC Slot
The power supply for the XMC slot is stable approximately 20ms
after the system power supply is stable.
Maximum Power for XMC Slot The maximum power available for an XMC module is variant
dependent. Please see chapter “Power Limits for XMC Modules”
for detailed information.
Temperature Range
Operating 0°C to +70°C
Storage 0°C to +70°C
MTBF
Humidity
TPCE275-1xR: 664000 h
TPCE275-2xR: 637000 h
MTBF values shown are based on calculation according to MIL-HDBK-217F and
MIL-HDBK-217F Notice 2; Environment: GB 20°C.
The MTBF calculation is based on component FIT rates provided by the
component suppliers. If FIT rates are not available, MIL-HDBK-217F and
MIL-HDBK-217F Notice 2 formulas are used for FIT rate calculation.
5 – 95 % non-condensing
Weight
TPCE275-10R: 114 g
TPCE275-11R: 120 g
TPCE275-20R: 116 g
TPCE275-21R: 122 g
Table 2-1 : Technical Specification
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3 Handling and Operating Instructions
3.1 ESD Protection
The TPCE275 is sensitive to static electricity. Packing, unpacking
and all other handling of the TPCE275 has to be done in an ESD/EOS
protected Area.
3.2 Power Limits for XMC Modules
The PCIe specification limits the power for PCIe add-in cards. These
limitations have implications for the use of XMC modules.
Refer to the chapter “Power Limits for XMC Modules” for details.
3.3 Installation of XMC Modules
Before mounting XMC Modules on the TPCE275, be sure that the
system is powered off.
Also, follow the installation instructions in the “XMC Interface”
chapter.
3.4 Installation of TPCE275-2xR
For the TPCE275-2xR variants, it is imperative to always connect a
PCI Express VGA power connector to the TPCE275, even if no PMC
is mounted.
3.5 Installation of TPCE275-x0R
For the TPCE275-x0R variants, VPWR is +12V. This voltage is directly
connected from the PCIe connector. The PCIe specification allows
for tolerances of ±8%, whereas the XMC specification allows only for
±5%.
This has to be taken into consideration before plugging the XMC
module onto the TPCE275-x0R.
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4 XMC Interface
4.1 Power Limits for XMC Modules
The following current limits have to be taken into account when choosing the appropriate TPCE275 for the
power requirements of the XMC module.
TPCE275
TPCE275-1xR
Voltage
3.3V
5V (TPCE275-11R)
VPWR
12V (TPCE275-10R)
+12V
Current Limits
2.0 A
1.2 A
0.5 A
200 mA
TPCE275-2xR
3.3V
5V (TPCE275-21R)
VPWR
12V (TPCE275-20R)
+12V
7.5 A
5.0 A
2.1 A
200 mA
Table 4-1 : Current Limits for the XMC Modules
4.2 Stable Power Supply
The power supply for the XMC slot is stable approximately 20ms after the system power supply is stable.
4.3 Installation of an XMC Module
The XMC modules are mounted to the TPCE275 prior to installation into the system.
If the XMC has a front panel, first remove the cover from the XMC front panel cut-out of the TPCE275. Install
the XMC at an angle so that the XMC front panel penetrates the XMC front panel cut-out. Then rotate down
to mate with the XMC connectors on the TPCE275. If the XMC has no front panel, simply plug in the XMC,
and leave the cover in the XMC front panel cut-out of the TPCE275.
After the XMC module has been installed, it can be mounted on the TPCE275 using the mounting screws
that come with the XMC module. There are four screw mounting locations, two at the XMC front panel and
two at the standoffs near the XMC bus connectors.
Before installing an XMC module, be sure that the power supply for the TPCE275 is turned off.
The components are Electrostatic Sensitive Devices (ESD). Use an anti-static mat connected to
a wristband when handling or installing the components.
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5 Indicators
5.1 LED Indicators
The TPCE275 provides a couple of board-status LEDs as shown below.
V2
Figure 5-1 : Onboard LED Placement
LED
V6 SIG_A
Color
Green
V8 SIG_B
Green
V2 3.3V Power Good Green
V3 1.8V Power Good Green
Dependent on VPWR
V10 VPWR Power Good Green
V13 VPWR Power Good Green
State
Off
On
Off
On
Off
On
Off
On
Off
On
Off
On
Description
PCIe TX link is down
PCIe TX link is up
PCIe RX link is down
PCIe RX link is up
3.3V Power Supply is not OK
3.3V Power Supply is OK
1.8V Power Supply is not OK
1.8V Power Supply is OK
5V Power Supply is not OK
5V Power Supply is OK
12V Power Supply is not OK
12V Power Supply is OK
Table 5-1 : Onboard LED Description
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6 Pin Assignments
6.1 XMC J15
A B CDE
01 PET0p0
02 GND
PET0n0
GND
3,3V
TRST 1)
GND
GND
03
04 GND
GND
3,3V
TCK 1)
GND
GND
05
06 GND
GND
3,3V
TMS 1)
GND
GND
07
08 GND
GND
3,3V
TDI 1)
GND
GND
09
10 GND
GND
TDO 1)
GND
GND
11 PER0p0
PER0n0
12 GND
13
GND
GA1
3,3V_AUX 2)
GND
GND
14 GND
GND
GA2
GND
GND
15
16 GND
GND
MVMRO 3)
GND
GND
17
18 GND
GND
19 REFCLK+0 REFCLK-0
GND
WAKE# 4)
GND
ROOT0# 5)
F
VPWR
PERST#
VPWR
VPWR
+12V
VPWR
-12V
VPWR
GA0
VPWR
VPWR
SMCLK 6)
VPWR
SMDAT 6)
Table 6-1 : XMC J15 Pin Assignment
Notes:
1) JTAG lines are routed to a 10pin header onboard, not to the PCIe edge card connector
2) 3.3V_AUX is connected to the PCIe edge card connector, so it is up to the mainboard to deliver this
power supply. If a mainboard does not provide this power supply, it can be changed to 3.3V on the
TPCE275 with a resistor.
3) MVMRO is set to logic high by default, prohibiting write access. It can be changed via a resistor.
4) WAKE# is connected to the PCIe edge card connector, so it is up to the mainboard to provide for this
signal. If this is not the case, WAKE# may be separated from the mainboard via a resistor.
5) ROOT# is not supported; this pin is not connected on the TPCE275 by default. It can be pulled high
via a resistor.
6) SMCLK and SMDAT are not connected to the PCIe edge card connector by default. Both signals can
be connected via series resistors.
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6.2 XMC J14 Rear-I/O (X4 - VG64 Connector)
The TPCE275 routes the XMC I/O lines to the VG64 connector compliant to VITA-35 (“PMC P4 to VME-P2,
Rows A-C mapping”). The actual signal assignment of the XMC P14 connector is XMC specific.
Connector Type
Source & Order Info
DIN 41612 2.54mm - Right Angle Male Connector - Type C
ERNI 384047
Signal
I/O 1
I/O 3
I/O 5
I/O 7
I/O 9
I/O 11
I/O 13
I/O 15
I/O 17
I/O 19
I/O 21
I/O 23
I/O 25
I/O 27
I/O 29
I/O 31
I/O 33
I/O 35
I/O 37
I/O 39
I/O 41
I/O 43
I/O 45
I/O 47
I/O 49
I/O 51
I/O 53
I/O 55
I/O 57
I/O 59
I/O 61
I/O 63
Pin Connector view Pin
c1 a1
c2
ca
a2
c3 a3
c4 a4
c5 1
c6 2
c7
a5
a6
a7
c8 a8
c9 a9
c10 a10
c11 a11
c12 a12
c13 a13
c14 a14
c15 a15
c16 a16
c17 a17
c18 a18
c19 a19
c20 a20
c21 a21
c22 a22
c23 a23
c24 a24
c25 a25
c26 a26
c27 31
c28 32
a27
a28
c29 a29
c30 a30
c31 PCB a31
c32 a32
Table 6-2 : X4 - J14 I/O Pin Assignment
Signal
I/O 2
I/O 4
I/O 6
I/O 8
I/O 10
I/O 12
I/O 14
I/O 16
I/O 18
I/O 20
I/O 22
I/O 24
I/O 26
I/O 28
I/O 30
I/O 32
I/O 34
I/O 36
I/O 38
I/O 40
I/O 42
I/O 44
I/O 46
I/O 48
I/O 50
I/O 52
I/O 54
I/O 56
I/O 58
I/O 60
I/O 62
I/O 64
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6.3 XMC J16 Rear-I/O (50-Pin Flat Cable Connectors)
6.3.1 X5 - J16 Differential I/O Lines
Pin-Count
Connector Type
Source & Order Info
50
Flat Cable Connector
AMP 104340
Description
DP00-
DP01-
DP02-
DP03-
DP04-
DP05-
DP06-
DP07-
DP08-
DP09-
DP10-
DP11-
DP12-
DP13-
DP14-
DP15-
DP16-
DP17-
DP18-
DP19-
-
GND
GND
3.3V 1)
3.3V 1)
Pin Assignment
Pin Connector View Pin
12
34
56
7 12 8
9
34
10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
41 47 48 42
43 49 50 44
45 46
47 48
49 50
Description
DP00+
DP01+
DP02+
DP03+
DP04+
DP05+
DP06+
DP07+
DP08+
DP09+
DP10+
DP11+
DP12+
DP13+
DP14+
DP15+
DP16+
DP17+
DP18+
DP19+
-
GND
GND
3.3V 1)
3.3V 1)
Table 6-3 : X5 - J16 Differential I/O Lines Pin Assignment
1) All voltages are fuse protected. The maximum current for each voltage is 0.5A!
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6.3.2 X6 - J16 Single-Ended I/O Lines
Pin-Count
Connector Type
Source & Order Info
50
Flat Cable Connector
AMP 104340
Pin Assignment
Description
Pin Connector View Pin
Description
UD_F1
1
2 UD_C1
UD_F2
3
4 UD_C2
UD_F3
UD_F4
UD_F5
5 6 UD_C3
7 1 2 8 UD_C4
9
34
10
UD_C5
UD_F6
11
12 UD_C6
UD_F7
13
14 UD_C7
UD_F8
15
16 UD_C8
UD_F9
17
18 UD_C9
UD_F10
19
20 UD_C10
UD_F11
21
22 UD_C11
UD_F12
23
24 UD_C12
UD_F13
25
26 UD_C13
UD_F14
27
28 UD_C14
UD_F15
29
30 UD_C15
UD_F16
31
32 UD_C16
UD_F17
33
34 UD_C17
UD_F18
35
36 UD_C18
UD_F19
+5V 1) 2)
+5V 1) 2)
GND
37 38
39 40
41 47 48 42
43 49 50 44
UD_C19
+5V 1) 2)
+5V 1) 2)
GND
GND
+12V_PCIe 2)
+12V_PCIe 2)
45
47
49
46 GND
48 +12V_PCIe 2)
50 +12V_PCIe 2)
Table 6-4 : X6 - J16 Single-Ended I/O Lines Pin Assignment
1) +5V are only available in TPCE275-x1 variants
2) All voltages are fuse protected. The maximum current for each voltage is 0.5A!
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6.4 10-Pin JTAG Header (X7)
The 10-Pin JTAG Header (Connector X7) is connected to the XMC J15 connector with the following pin
assignment.
All pins are described from the perspective of the XMC module.
Signal
TCK
TMS
TDO
TDI
TRST#
Pin Connector View Pin
1 *) 1
3
22
4
56
78
9 9 10 10
Table 6-5 : X7 - JTAG Header
Notes:
*) Pin 1 has a squared pad for better recognition
Signal
GND
GND
GND
GND
-
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