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anchor	Figure_OV_BD
title	TEB0745 block diagram

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draw.io Diagram

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anchor	Table_OV_IDS
title	Initial delivery state of programmable devices on the module

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Storage device name	Content	Notes
EEPROM	EUI-64 number programmed	can Can be used for MAC

Configuration Signals

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anchor	Table_SIP_JTG
title	JTAG pins connection

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Designator	Connected to	B2B Pin	XMOD Header JB1	Note
A	MIO15	J2-129	JB1-3	UART TX - Input to the module
B	MIO14	J2-127	JB1-7	UART RX - Output of the module
C	TCK	J1-143	JB1-4	JTAG interface signal
D	TDO	J1-145	JB1-8	JTAG interface signal
F	TDI	J1-142	JB1-10	JTAG interface signal
H	TMS	J1-144	JB1-12	JTAG interface signal
G	RST_IN_N	J2-131	JB1-11	RESET will be connected to Push Button on JTAG Programmer

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There is a DIP switch, S2, on TE0790 adapter which must be set as following.

U18...25

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anchor	Table_SIP_OBPXmod_I2CDIP
title	I2C Address Xmod Adapter DIP-Switch Setting Description

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DIP Switch,S2	Default	Description
1	ON	Update Mode JTAG access to SC CPLD only
2	OFF	Must be always in OFF state.
3	OFF	VIO is supplied from Module
4	OFF	3.3V is high impedance

I2C Device

I2C Address

Designator

Notes

I2C_EXP

0x72

U16

SFP 0-9

EEPROM

0x51

U33

I/O EXP

0x20...27

SFP+ Connectors

The TEB0745 is equipped with 8 SFP+ Connectors,

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anchor	Table_OBP_SFP
title	SFP Connectors

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Pin	Connected to								Notes
Pin	SFP+ , J4	SFP+, J6	SFP+, J8	SFP+, J10	SFP+, J13	SFP+, J15	SFP+, J18	SFP+, J20	Notes
TD+	B2B, J3	B2B, J3	B2B, J3	B2B, J3	B2B, J1	B2B, J1	B2B, J1	B2B, J1	GT
TD-	B2B, J3	B2B, J3	B2B, J3	B2B, J3	B2B, J1	B2B, J1	B2B, J1	B2B, J1	GT
RD+	B2B, J3	B2B, J3	B2B, J3	B2B, J3	B2B, J1	B2B, J1	B2B, J1	B2B, J1	GT
RD-	B2B, J3	B2B, J3	B2B, J3	B2B, J3	B2B, J1	B2B, J1	B2B, J1	B2B, J1	GT
TX FAULT	IO Expander, U18	IO Expander, U19	IO Expander, U20	IO Expander, U21	IO Expander, U22	IO Expander, U23	IO Expander, U24	IO Expander, U25	SFP_CTRL
TX DISABLE	IO Expander, U18	IO Expander, U19	IO Expander, U20	IO Expander, U21	IO Expander, U22	IO Expander, U23	IO Expander, U24	IO Expander, U25	SFP_CTRL
MOD-DEF2	IO Expander, U18	IO Expander, U19	IO Expander, U20	IO Expander, U21	IO Expander, U22	IO Expander, U23	IO Expander, U24	IO Expander, U25	SFP_CTRL
MOD-DEF1	IO Expander, U18	IO Expander, U19	IO Expander, U20	IO Expander, U21	IO Expander, U22	IO Expander, U23	IO Expander, U24	IO Expander, U25	SFP_CTRL
MOD-DEF0	IO Expander, U18	IO Expander, U19	IO Expander, U20	IO Expander, U21	IO Expander, U22	IO Expander, U23	IO Expander, U24	IO Expander, U25	SFP_CTRL
RS0	IO Expander, U18	IO Expander, U19	IO Expander, U20	IO Expander, U21	IO Expander, U22	IO Expander, U23	IO Expander, U24	IO Expander, U25	SFP_CTRL
LOS	IO Expander, U18	IO Expander, U19	IO Expander, U20	IO Expander, U21	IO Expander, U22	IO Expander, U23	IO Expander, U24	IO Expander, U25	SFP_CTRL
RS1	IO Expander, U18	IO Expander, U19		IO Expander, U21	IO Expander, U22	IO Expander, U23	IO Expander, U24	IO Expander, U25	SFP_CTRL

SD Card Socket

Power supply voltage for SD card holder is 3.3V.

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anchor	Table_OBP
title	On board peripherals

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Chip/Interface	Designator	Notes
EEPROM	U33
DIP Switches	S1, S4
I²C Switch	U16
I/O Expander	U18...U25
Push Buttons	S2, S3
LEDs	D1, D5

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anchor	Table_OBP_I2C_EEPROM
title	I2C address for EEPROM

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I2C

Address

Device	Designator	I2C Address	Notes

0x51

EEPROM

U33

0x51

DIP Switches

There are two DIP Switches S1,S4.

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anchor	Table_OBP_DIP
title	DIP Switch S4

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S4-1	S4-2	S4-3	S4-4	Power VCC_HR_B
OFF	OFF	OFF	N.C.	1,8V
OFF	OFF	ON	N.C.	1,5V
OFF	ON	OFF	N.C.	3,3V
OFF	ON	ON	N.C.	2,5V
ON	OFF	OFF	N.C.	0,8V
ON	OFF	ON	N.C.	Do not use
ON	ON	OFF	N.C.	1,25V
ON	ON	ON	N.C.	1,2V

Push Buttons

I2C Switch

There is a I²C Switch on the TEB0745 which can be used in order to controll the SPF+ Connectors. There are two push buttons S2, S3.

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anchor	Table_OBP_I2CSW
title	I2C Switch

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Pin	Schematic	Connected to	Notes
VCC	3.3V
SCL	I2C_SCL	B2B, J2
SDA	I2C_SDA	B2B, J2
nRESET	I2C_RST	Voltage Translator, U34
A0	GND	Low	I2C address is 0x72
A1	3.3V	High	I2C address is 0x72
A2	GND	Low	I2C address is 0x72
SD0/ SC0	SFP0_SDA / SFP0_SDA	SFP+ Connector, J4
SD1/ SC1	SFP1_SDA / SFP1_SDA	SFP+ Connector, J6
SD2/ SC2	SFP2_SDA / SFP2_SDA	SFP+ Connector, J8
SD3/ SC3	SFP3_SDA / SFP3_SDA	SFP+ Connector, J10
SD4/ SC4	SFP4_SDA / SFP4_SDA	SFP+ Connector, J13
SD5/ SC5	SFP5_SDA / SFP5_SDA	SFP+ Connector, J15
SD6/ SC6	SFP6_SDA / SFP6_SDA	SFP+ Connector, J18
SD7/ SC7	SFP7_SDA / SFP7_SDA	SFP+ Connector, J20

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anchor	Table_OBP_I2CSWADD
title	I2C Address of I2C Switch

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I2C Device	Designator	I2C Address	Notes
I2C Device	U16	0x72

IO Expanders

The TEB0745 is equipped with 8 I/O Expanders.

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anchor	Table_OBP_IOEXP
title	IO Expander Information

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anchor	Table_OBP_SFP
title	SFP Connectors

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Pin	Connected to								Notes
Pin	IO Expander , U18	IO Expander , U19	IO Expander , U20	IO Expander , U21	IO Expander , U22	IO Expander , U23	IO Expander , U24	IO Expander , U25	Notes
nINT	Not Connected	Not Connected	Not Connected	Not Connected	Not Connected	Not Connected	Not Connected	Not Connected
SCL	I2C Switch, U16 B2B, J2	I2C Switch, U16 B2B, J2	I2C Switch, U16 B2B, J2	I2C Switch, U16 B2B, J2	I2C Switch, U16 B2B, J2	I2C Switch, U16 B2B, J2	I2C Switch, U16 B2B, J2	I2C Switch, U16 B2B, J2
SDA	I2C Switch, U16 B2B, J2	I2C Switch, U16 B2B, J2	I2C Switch, U16 B2B, J2	I2C Switch, U16 B2B, J2	I2C Switch, U16 B2B, J2	I2C Switch, U16 B2B, J2	I2C Switch, U16 B2B, J2	I2C Switch, U16 B2B, J2
A0	GND	3.3V	GND	3.3V	GND	3.3V	GND	3.3V
A1	GND	GND	3.3V	3.3V	GND	GND	3.3V	3.3V
A2	GND	GND	GND	GND	3.3V	3.3V	3.3V	3.3V
VCC	3.3V	3.3V	3.3V	3.3V	3.3V	3.3V	3.3V	3.3V
P0...P7	SFP+ Connector, J4	SFP+ Connector, J6	SFP+ Connector, J8	SFP+ Connector, J10	SFP+ Connector, J13	SFP+ Connector, J15	SFP+ Connector, J18	SFP+ Connector, J20

In the following table you can find I2C addresses of I/O Expanders which would be assigned by pins A0,A1 and A2.

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anchor	Table_OBP_IOEXPADD
title	I2C Addresses of I/O Expanders

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I2C Device	Designator	I2C Address
I/O Expander	U18	0x20
	U19	0x21
	U20	0x22
	U21	0x23
	U22	0x24
	U23	0x25
	U24	0x26
	U25	0x27

Push Buttons

There are two push buttons S2, S3.

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anchor	Table_OBP_Push_Push_Button
title	On-board push button =s

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Designator	Connected to	B2B	Active Level	Note
S3	USR_BTN	J3-153	Active high
S2	RST_IN_N	J2-131	Active high	General Reset

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title	Power Distribution

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Trenz Electronic Documentation

Versions Compared

Old Version 126

New Version 127

Key

Configuration Signals

SFP+ Connectors

SD Card Socket

DIP Switches

Push Buttons

I2C Switch

IO Expanders

Push Buttons