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The Trenz Electronic TEBA0841 is a low cost carrier board for testing, evaluation and development purposes of the TE0841 and TE0741 modules. Although this base-board is dedicated to the modules TE0841 and TE0741, it is also compatible with other Trenz Electronic 4 x 5 cm SoMs. The carrier board offers one SFP connector, one Micro USB2 B connector, two 2x25-pin headers and one XMOD header to get access to the I/O's and interfaces of FPGA modules. To test and evaluate the Multi-gigabit transceiver units of the FPGA module, 6 MGT lanes on the carrier board are routed in a loop-back circuit on the B2B connectors.
See page "4 x 5 cm carriers" to get information about the SoMs supported by the TEBA0841 carrier board.
- SFP+ connector (Enhanced small form-factor pluggable), supports data transmission rates up to 10 Gbit/s
- Micro USB2 Type B Connector
- Trenz Electronic 4x5 module B2B connectors (3 x Samtec LSHM series connectors)
- 4 x 5 SoM programmable by XMOD header
- Soldering-pads for pin headers for access to SoM's I/O-bank pins, usable as LVDS-pairs
- Soldering-pads for pin headers for access to further interfaces and I/O's of the SoM
- 2 x user LEDs routed to I/O-pins of the SoM
- 4-bit DIP switch for setting module parameters
- 4x VCCIO selection jumper to set module's bank voltages
Additional assembly options are available for cost or performance optimization upon request.
- Samtec Razor Beam™ LSHM-150 B2B connector, JB1
- Samtec Razor Beam™ LSHM-150 B2B connector, JB3
- Samtec Razor Beam™ LSHM-130 B2B connector, JB2
- 6-pin header J26, for selecting PL I/O-bank voltage
- 6-pin header J5, for selecting PL I/O-bank voltage
- 6-pin header J6, for selecting PL I/O-bank voltage
- 6-pin header J27, for selecting PL I/O-bank voltage
- Micro USB2 Type B connector J10 (Device or OTG mode)
- 2-pin VBAT header J7
- XMOD FTDI JTAG/UART header, JX1
- 4-bit DIP-switch S1
- User LED D1 (green)
- User LED D2 (red)
- 10-pin header soldering-pads J4, 6 I/O's available
- 16-pin header soldering-pads J3, JTAG/UART header ('XMOD FTDI JTAG Adapter'-compatible pin-assignment)
- 50-pin header soldering-pads J17, for access to PL I/O-bank pins (42 I/O'S, 21 LVDS pairs)
- 50-pin header soldering-pads J20, for access to PL I/O-bank pins (42 I/O'S, 21 LVDS pairs)
- SFP+ Connector, J1
Initial Delivery State
Board is shipped in following configuration:
- VCCIO selection jumpers are all set to 1.8 V
- Pin headers (not soldered to the board, but included in the package as separate component)
Different delivery configurations are available upon request.
Signals, Interfaces and Pins
Following table gives a summary of the available I/O's, interfaces and differential pairs of the mounted SoM on the B2B connectors JB1, JB2 and JB3 of the carrier board:
|B2B Connector||Interfaces||I/O Signal Count||LVDS-pairs count||Connected to||Notes|
|JB1||I/O||42||21||2x25-pin header J20||-|
|6||-||10-pin header J4||-|
|Control signals||5||-||SFP+ connector J1|
'TX FAULT', 'MOD-DEF0' ... 'MOD-DEF2', 'LOS'
|4||-||DIP switch S1||'JTAGEN (BOOTMODE)', 'EN1', 'MODE', 'NOSEQ'|
|1||-||Green LED D1||user LED|
|UART||2||-||XMOD header JX1, 16-pin header J3||also usable as GPIO's|
|MGT||-||4 (2 MGT lanes)||2x loop back circuit on B2B connector JB1||-|
|JB2||USB||-||1||Micro USB2 Type B connector J10||-|
|MGT||-||2 (1 MGT lanes)||SFP+ connector J1||-|
|-||8 (4 MGT lanes)||4x loop back circuit on B2B connector JB2||-|
|Clock||-||1||MGT clock input from 16-pin header J3||-|
|JB3||I/O||42||21||2x25-pin header J17||-|
|JTAG||4||-||XMOD header JX1, 16-pin header J3||-|
|Control signals||1||-||XMOD header JX1, 16-pin header J3||'RESIN', nRESET signal to mounted SoM|
|1||-||Red LED D2||user LED|
Table 1: General overview of PL I/O signals and SoM's interfaces connected to the B2B connectors
On-board Pin Header
The TEBA0841 carrier board has footprints as soldering pads to mount 2.54mm grid size pin headers to get access the PL I/O-bank's pins and further interfaces of the mounted SoM. With these pin headers, SoM's PL-I/O's are available to the user, a large quantity of these I/O's are also usable as differential pairs.
Following table gives a summary of the pin-assignment, available interfaces and functional I/O's of the pin headers:
|On-board Pin Header||Signals and Interfaces||Count of I/O's||Notes|
|J17||User I/O||42 single ended or 21 differential||-|
|42 single ended or 21 differential||-|
|I/O's||2||user IO (configurable as UART)|
|I/O's||2||user IO (configurable as UART)|
|MGT reference input clock||1 differential pair||AC decoupled on-board (100 nF capacitor)|
|J4||User I/O||6 single ended||3.3V and 1.8V voltage level available on header|
Table 2: General overview of PL I/O signals, SoM's interfaces and control signals connected to the on-board connectors
The TEBA0841 carrier board is equipped with one SFP+ connector J1 (board-rev. 01: Molex 74441-0001). The connector is fitted into a SFP cage J2 (board-rev. 01: Molex 74737-0009).
The differential RX/TX data lanes are connected to B2B connector JB2, the control-lines are connected to B2B connector JB1.
Following table describes the pin-assignment of the SFP+ connector:
|SFP+ pin||Pin Schematic Name||B2B||FPGA Direction||Description||Note|
|Transmit Data + (pin 18)||MGT_TX3_P||JB2-26||Output||SFP+ transmit data differential pair||-|
|Transmit Data - (pin 19)||MGT_TX3_N||JB2-28||Output||-|
|Receive Data + (pin 13)||MGT_RX3_P||JB2-25||Input||SFP+ receive data differential pair||-|
|Receive Data - (pin 12)||MGT_RX3_N||JB2-27||Input||-|
|Receive Fault (pin 2)||MIO10||JB1-96||Input||Fault / Normal Operation||High active logic|
|Receive disable (pin 3)||SFP0_TX_DIS||not connected||Output||SFP Enabled / Disabled||Low active logic|
|MOD-DEF2 (pin 4)||MIO13||JB1-98||BiDir||2-wire Serial Interface data||3.3V pull-up on-board|
|MOD-DEF1 (pin 5)||MIO12||JB1-100||Output||2-wire Serial Interface clock||3.3V pull-up on-board|
|MOD-DEF0 (pin 6)||MIO11||JB1-94||Input||Module present / not present||Low active logic|
|RS0 (pin 7)||SFP0_RS0||not connected||Output||Full RX bandwidth||Low active logic|
|LOS (pin 8)||MIO0||JB1-88||Input||Loss of receiver signal||High active logic|
|RS1 (pin 9)||SFP0_RS1||not connected||Output||Reduced RX bandwidth||Low active logic|
Table 3: SFP+ connector pin-assignment
Loop Back Circuits on B2B Connector JB1 and JB2
The TEBA0841 carrier board is mainly designed for the 4 x 5 SoMs TE0841 and TE0741. This SoMs have GTX-Transceiver units on the FPGA devices with up to 8 available MGT lanes. To test this MGT lanes, 6 RX/TX differential pairs are routed in loop back circuit on-board, hence the transmitted data on those MGT lanes flows back to its source in a loop back circuit without processing or modification.
The MGT lane pins are routed on-board as follows, if 4 x 5 SoM TE0841 is mounted on carrier board:
|MGT Lane||B2B TX Differential Pair||B2B RX Differential Pair||B2B Pins connected|
JB2-7 to JB2-8
JB2-9 to JB2-10
JB2-13 to JB2-14
JB2-15 to JB2-16
JB2-19 to JB2-20
JB2-21 to JB2-22
JB2-1 to JB2-2
JB2-3 to JB2-4
JB1-9 to JB1-3
JB1-11 to JB1-5
JB1-21 to JB1-15
JB1-23 to JB1-17
Table 4: Looped-backed MGT-lanes for mounted 4 x 5 SoM TE0841
JTAG access to the mounted SoM is provided through B2B connector JB3 and is routed to the XMOD header JX1 and also to pin header J3. With the TE0790 XMOD USB2 to JTAG adapter, the FPGA device of the mounted SoM can be programed via USB2 interface.
B2B Connector Pin
|XMOD Header JX1||Pin Header J3||Note|
Table 5: JTAG interface signals
XMOD FTDI JTAG-Adapter Header JX1
The JTAG interface of the mounted SoM can be accessed via XMOD header JX1, so in use with the XMOD-FT2232H adapter-board TE0790 the mounted SoM can be programmed via USB2 interface. The TE0790 board provides also an UART interface to the SoM's FPGA device which can be accessed by the USB2 interface of the adapter-board while the signals between these serial interfaces will be converted.
Following table describes the signals and interfaces of the XMOD header JX1:
|Pin Schematic Name||XMOD Header JX1 Pin||B2B||Note|
|TCK||C (pin 4)||JB3-100||-|
|TDO||D (pin 8)||JB3-98||-|
|TDI||F (pin 10)||JB3-96||-|
|TMS||H (pin 12)||JB3-94||-|
|MIO15||A (pin 3)||JB1-86||UART-TX (transmit line)|
|MIO14||B (pin 7)||JB1-91||UART-RX (receive line)|
|RESIN||G (pin 11)||JB3-17||nRESET signal to the mounted SoM|
Table 6: XMOD header JX1 signals and connections
When using XMOD FTDI JTAG Adapter TE0790, the adapter-board's VCC and VCCIO will be sourced by the on-boards 3.3V supply voltage. Set the XMOD DIP-switch with the setting:
Table 7: XMOD adapter board DIP-switch positions for voltage configuration
Use Xilinx compatible TE0790 adapter board (designation TE-0790-xx with out 'L') to program the Xilinx Zynq devices.
The TE0790 adapter board's CPLD have to be configured with the Standard variant of the firmware. Refer to the TE0790 Resources Site for further information and firmware download.
JTAG/UART Header J3
As alternative to the XMOD header JX1, on the carrier board pin header J3 is present, which has a XMOD header-compatible pin-assignment, but also two additional pins (15,16) as differential pair to supply the mounted SoM with an external MGT reference clock signal:
|Pin Schematic Name||Header J3 Pin||B2B||Note|
|MIO15||3||JB1-86||UART-TX (transmit line)|
|MIO14||7||JB1-91||UART-RX (receive line)|
|RESIN||11||JB3-17||nRESET signal to the mounted SoM|
|CLK0_N||15||JB2-32||AC decoupled on-board (100 nF capacitor)|
|CLK0_P||16||JB2-34||AC decoupled on-board (100 nF capacitor)|
Table 8: JTAG/UART header J3 signals and connections
UART interface is available on B2B connector JB1 established by the mounted SoM's FPGA device. With the TE0790 XMOD USB2 adapter, the UART signals can be converted to USB2 interface signals:
|UART Signal Schematic Name||B2B||XMOD Header JX1||Pin Header J3||Note|
|MIO14||JB1-91||JX1-7||J3-7||UART-RX (receive line)|
|MIO15||JB1-86||JX1-3||J3-3||UART-TX (transmit line)|
Table 9: UART interface signals
TEBA0841 board has one physical Micro USB2 Type B socket J10, the differential data signals of the USB2 socket are routed to the B2B connector JB2, where they can be accessed by the corresponding USB2 PHY transceiver of the mounted SoM, if available.
With Micro USB2 Type B connector, the USB2 interface is usable in Device or OTG mode.
Following table gives an overview of the USB2 interface signals:
|USB2.0 Signal Schematic Name||B2B||Connected to||Note|
|J10-2||USB2 data differential pair|
|OTG-ID||JB2-52||J10-4||Ground this pin for A-Device (host), leave floating this pin for B-Device (peripheral).|
|USB-VBUS||JB2-56||J10-1||USB supply voltage for Host mode. Not supplied by the Carrier Board.|
Table 10: USB2 interface signals and connections
The on-board LEDs are available to the user and can be used to indicate system status and activities:
|LED||Color||Signal Schematic Name||Connected to||Description and Notes|
|D1||Green||MIO9||JB1-92||available to user|
|D2||Red||RLED||JB3-90||available to user|
Table 11: On-board LEDs
There are one 4-bit DIP-witches S1 present on the TEBA0841 board to configure options and set parameters. The following table describes the of the particular switches:
|DIP-switch S1||usage||Default||Signal Schematic Name||Connected to||Note|
OFF module FPGA access
|OFF(GND)||BOOTMODE||JB1-90||only used for module with CPLD|
|OFF(VDD)||EN1||JB1-27||power enable, some modules can't disable power in this case it has normally the same effect like the reset pin|
OFF QSPI Boot
ON SD Boot
|OFF(VDD)||MODE||JB1-31||Boot mode selection, only for Zynq and ZynqMP devices, on FPGA modules not matter (always QSPI). JTAG is on all modes available|
|OFF(VDD)||NOSEQ||JB1-8||power sequencing, only on some modules supported. Otherwise it's unused or can be reused by customer|
Table 12: DIP-switch S1, see also 4x5 Module Controller IOs
VCCIO Selection Jumper
On the TEBA0841 carrier board different VCCIO configurations can be selected by the jumper header J26, J27, J5 and J6.
TE 4 x 5 Modules have a standard assignment of PL-bank I/O voltages on the B2B connectors, which will be fed with I/O voltage from base-board.
Base-board PL-bank I/O Voltages
|Carrier Board B2B Pins||Standard Assignment of PL-bank I/O Voltages on TE 4x5 Modules|
|VCCIOA||JB1-10, JB1-12||VCCIOA (JM1-9, JM1-11)|
|VCCIOB||JB3-2, JB3-4||VCCIOB (JM1-1, JM1-3)|
|VCCIOD||JB3-8, JB3-10||VCCIOD (JM2-7, JM2-9)|
Table 13: Base-board PL-bank I/O voltages VCCIOA ... VCCIOD
Note: The corresponding PL-bank I/O voltages of the 4 x 5 SoM to the selectable base-board voltages VCCIOA ... VCCIOD are depending on the mounted 4 x 5 SoM and varying in order of the used model.
Refer to the SoM's schematic for information about the specific pin assignments on module's B2B-connectors regarding the PL-bank I/O voltages and to the 4 x 5 Module integration Guide for VCCIO voltage options.
Following table describes how to configure the base-board supply-voltages by jumpers:
Base-board PL-bank I/O Voltages
|1.8V||J26: 1-2||J5: 1-2||J6: 1-2||J27: 1-2|
|2.5V||J26: 3-4||J5: 3-4||J6: 3-4||J27: 3-4|
|3.3V||J26: 5-6||J5: 5-6||J6: 5-6||J27: 5-6|
Table 14: Configuration of base-board supply-voltages via jumpers. Jumper-Notification: 'Jx: 1-2' means pins 1 and 2 are connected, 'Jx: 3-4' means pins 3 and 4 are connected, and so on
Take care of the VCCO voltage ranges of the particular PL IO-banks (HR, HP) of the mounted SoM, otherwise damages may occur to the FPGA. Therefore, refer to the TRM of the mounted SoM to get the specific information of the voltage ranges.
It is recommended to set and measure the PL IO-bank supply-voltages before mounting of TE 4 x 5 module to avoid failures and damages to the functionality of the mounted SoM.
Power and Power-On Sequence
The maximum power consumption of the carrier board depends mainly on the mounted SoM's FPGA design running on the Zynq device.
Xilinx provide a power estimator excel sheets to calculate power consumption. It's also possible to evaluate the power consumption of the developed design with Vivado. See also Trenz Electronic Wiki FAQ.
|Power Input||Typical Current|
Table 15: Typical power consumption
* TBD - To Be Determined soon with reference design setup.
Power supply with minimum current capability of 3A for system startup is recommended.
Power supply with minimum current capability of 3A at 3.3V for system startup is recommended.
The on-board voltages of the carrier board will be powered up with an external power-supply with nominal voltage of 3.3V.
The external power-supply can be connected to the board by the following pins:
|Connector||3.3V pin||GND pin|
|J3||J3-5, J3-6||J3-1, J3-2|
|J20||J20-5, J20-46||J20-1 , J20-2 , J20-49 , J20-50|
|J17||J17-5, J17-46||J17-1 , J17-2 , J17-49 , J17-50|
Table 16: Connector pins capable for external 3.3V power supply
Power Distribution Dependencies
The PL-bank I/O voltages 1.8V, 2.5V and 3.3V will be available after the mounted SoM's 3.3V voltage level has reached stable state on B2B-connector pins JM2-10 and JM2-12 (JB2-9, JB2-11), meaning that all on-module voltages have become stable and module is properly powered up.
Following diagram shows the distribution of the external input voltage of nominal 3.3V to the components:
The voltage direction of the power rails is from board and on-board connectors' view:
|Module Connector (B2B) Designator||VCC / VCCIO||Direction||Pins||Notes|
2, 4, 6, 14, 16
|3.3V module supply voltage|
|VCCIOA||Out||10, 12||PL IO-bank VCCO|
|M1.8VOUT||In||40||1.8V module output voltage|
|3.3V module output voltage|
|3.3V||Out||1, 3, 5, 7||3.3V module supply voltage|
|VCCIOB||Out||2, 4||PL IO-bank VCCO|
|VCCIOC||Out||6||PL IO-bank VCCO|
|VCCIOD||Out||8, 10||PL IO-bank VCCO|
|JB2||USB-VBUS||Out||56||USB Host supply voltage|
Table 17: Power pin description of B2B module connector
|On-board Pin Header Designator||VCC / VCCIO||Direction||Pins||Notes|
|In / Out|
|3.3V external supply voltage|
|VCCIOD||In / Out||6, 45||PL IO-bank VCCIO, depends on Jumper settings|
|In / Out|
|3.3V external supply voltage|
|VCCIOA||In / Out||6, 45||PL IO-bank VCCIO, depends on Jumper settings|
Table 18: Power Pin description of on-board connector
|Jumper / Header Designator||VCC / VCCIO||Direction||Pins||Notes|
|J26||VCCIOA||In||2, 4, 6||-|
|In||2, 4, 6||-|
|J5||VCCIOB||In||2, 4, 6||-|
|J6||VCCIOC||In||2, 4, 6||-|
Table 19: Power Pin description of VCCIO selection jumper pin header
|Peripheral Socket Designator||VCC / VCCIO||Direction||Pins||Notes|
|J10||USB-VBUS||In||1||USB Host supply voltage|
Table 20: Power pin description of peripheral connector
|JTAG Header Designator||VCC / VCCIO||Direction||Pins||Notes|
|JX1 (XMOD)||3.3V||Out||5||connected to 3.3V external supply voltage|
|J3||3.3V||Out||5||connected to 3.3V external supply voltage|
Table 21: Power pin description of XMOD/JTAG connector
Board to Board Connectors
These connectors are hermaphroditic. Odd pin numbers on the module are connected to even pin numbers on the baseboard and vice versa.
4 x 5 modules use two or three Samtec Razor Beam LSHM connectors on the bottom side.
- 2 x REF-189016-02 (compatible to LSHM-150-04.0-L-DV-A-S-K-TR), (100 pins, "50" per row)
- 1 x REF-189017-02 (compatible to LSHM-130-04.0-L-DV-A-S-K-TR), (60 pins, "30" per row) (depending on module)
Connector Mating height
When using the same type on baseboard, the mating height is 8mm. Other mating heights are possible by using connectors with a different height
|Order number||Connector on baseboard||compatible to||Mating height|
The module can be manufactured using other connectors upon request.
Connector Speed Ratings
The LSHM connector speed rating depends on the stacking height; please see the following table:
|Stacking height||Speed rating|
|12 mm, Single-Ended||7.5 GHz / 15 Gbps|
|12 mm, Differential|
6.5 GHz / 13 Gbps
|5 mm, Single-Ended||11.5 GHz / 23 Gbps|
|5 mm, Differential||7.0 GHz / 14 Gbps|
Current rating of Samtec Razor Beam™ LSHM B2B connectors is 2.0A per pin (2 adjacent pins powered).
Connector Mechanical Ratings
- Shock: 100G, 6 ms Sine
- Vibration: 7.5G random, 2 hours per axis, 3 axes total
Absolute Maximum Ratings
Vin supply voltage
3.3V supply-voltage ± 5%,
limitations of the supply voltage depend also
|Molex 74441-0001 Product Specification|
Table 22: Board absolute maximum ratings
Recommended Operating Conditions
|Vin supply voltage||3.135||3.465||V|
3.3V supply-voltage ± 5%,
limitations of the supply voltage depend also
|Operating temperature||-40||+85||°C||Molex 74441-0001 Product Specification|
Table 23: Module recommended operating conditions
Operating Temperature Ranges
TEBA0841 carrier board operating temperature range is industrial grade: -40°C to +85°C.
Please check the operating temperature range of the mounted SoM, which determine the relevant operating temperature range of the overall system.
Please note that two different units are used on the figures below, SI system millimeters (mm) and imperial system thousandths of an inch(mil). This is because of the 100mil pin headers used, see also explanation below. To convert mils to millimeters and vice versa use formula 100mil's = 2,54mm.
Module size: 56mm × 75mm. Please download the assembly diagram for exact numbers.
Mating height with standard connectors: 8mm.
PCB thickness: 1.65mm.
Highest part on the PCB is the SFP+ connector, which has an approximately 11.3mm overall hight. Please download the step model for exact numbers.
Hardware Revision History
Table 24: Module hardware revision history
Hardware revision number can be found on the PCB board together with the module model number separated by the dash.
Document Change History
|v.75||Ali Naseri, Jan Kumann|
Table 24: Document change history.
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