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Scroll Title
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titleOn board peripherals

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Chip/InterfaceDesignatorNotes
EEPROMU33

DIP Switches

S1, S4
I2C I2C SwitchU16
I/O ExpanderU18...U25
Push ButtonsS2, S3
LEDsD1, D5


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

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titleI2C Addresses of I/O Expanders

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I2C DeviceDesignatorI2C AddressNotes
I/O ExpanderU180x20
U190x21
U200x22
U210x23
U220x24
U230x25
U240x26
U250x27


Push Buttons

There are two push buttons S2, S3.

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titlePower Distribution


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Power-On Sequence

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Power Rails

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titleModule power rails.

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Power Rail Name

B2B

VCC / VCCIO

Connector

JM1 Pin

B2B Connector

JM2 Pin

B2B Connector

JM3 Pin

DirectionNotes
JB1
3.3V
IN

147, 149, 151, 153,
155, 157, 159

154, 156, 158,160-OutputPL_VIN
VCC_HR_BINVCCIO_12, VCCIO_13
JB2VCCIO18VINVCCIO_34, VCCIO_35
PS_1.8VOUTPWR_OUT
3.3VINPS_3.3V

JB3

VCCIO18VINPWR_IN_VCCIO_33
VCCIO1254, 55--Outputhigh range bank I/O voltage
VCCIO13112, 113--Outputhigh range bank I/O voltage
VCCIO33--115, 120Outputhigh performance bank I/O voltage
VCCIO34-29, 30-Outputhigh performance bank I/O voltage
VCCIO35-87, 88-Outputhigh performance bank I/O voltage
VBAT_IN146--OutputRTC (battery-backed) supply voltage
PS_1.8V-130-Inputinternal 1.8V voltage level (Process System)


Board to Board Connectors

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titlePS absolute maximum ratings

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SymbolsMinMaxUnitNote
VIN Supply Voltage024V
Storage Temperatur-25+85°C


Recommended Operating Conditions

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titleRecommended operating conditions.

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ParameterMinMaxUnitsReference Document
VIN Supply Voltage24202425.4VSee LTC4365ITS8 Datasheet
Operating Temperatur-40+85°C


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anchorTable_OBP_I2C
titleI2C Address

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