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UM10856

User manual for dI2C demo board

Rev. 1.1 — 10 July 2017

User manual

Document information

Info

Content

Keywords

dI2C-bus, differential I

2

C-bus buffer, PCA9614, PCA9615, PCA9616

Abstract

User manual for the dI2C demo board OM13523. This demo board will 
make it easy to test and design with PCA9614, PCA9615 and PCA9616, a 
differential I

2

C-bus buffer.

Downloaded from

Arrow.com.

Содержание UM10856

Страница 1: ...rmation Info Content Keywords dI2C bus differential I2C bus buffer PCA9614 PCA9615 PCA9616 Abstract User manual for the dI2C demo board OM13523 This demo board will make it easy to test and design wit...

Страница 2: ...Contact information For more information please visit http www nxp com For sales office addresses please send an email to salesaddresses nxp com NXP Semiconductors UM10856 User manual for dI2C demo bo...

Страница 3: ...ission therefore the I2C bus may pick up some noise The fan and power supply modules may have different power sources they may have a different ground offset level To make a better I2C bus system inst...

Страница 4: ...ents This device is sensitive to ElectroStatic Discharge ESD Therefore care should be taken during transport and handling You must use a ground strap or touch the PC case or other grounded source befo...

Страница 5: ...18R 1276 2728 1 ND SMD capacitor C3 22uF 16v A 3216 18R 1276 2728 1 ND SMD capacitor C4 100n C0603 399 1095 1 ND SMD capacitor CON1 MA08 1 MA08 1 609 3235 ND dI2C part connector 1 CON2 MA08 1 MA08 1 6...

Страница 6: ...ator resistor op R16 NI 0204 7 NONE Terminator resistor op R17 NI 0204 7 NONE Terminator resistor op R18 NI 0204 7 NONE Terminator resistor op R19 NI 0204 7 NONE Terminator resistor op R2 121R M1206 5...

Страница 7: ...an be set the same as VDDA by adding a jumper header on JP2 if VDDA is between 3 0 V and 5 0 V 3 1 6 I2C bus side The I2C bus on the dI2C demo board does not have the pull up resistors on SLC and SDA...

Страница 8: ...o board All of the pairs are connected to RJ45 through the termination resistors Please see schematic Figure 6 for more detail RJ45 is internet connector it can use cat5 6 cable to connect to the othe...

Страница 9: ...1 connect SCL SDA VDDA and GND to SCL1 SDA1 3 3V and GND of Fm DM 1 respectively 2 dI2C demo board 2 connect SCL SDA VDDA and GND to SCL2 SDA2 3 3V and GND of Fm DM 2 respectively 3 Use a CAT6 cable...

Страница 10: ...bus 1 set bit6 0 44 Write Yes 200 7F Comments Write to PCA9672 addr 0x44 on bus 1 set bit7 0 The data below are sent from bus1 through dI2C buffer to bus2 to drive PCA9672 46 Write Yes 200 7F Comment...

Страница 11: ...on bus 1 to control two GPIO target boards on both Fm DMs When the LEDs on GPIO target board 2 is toggling that means the data has been transferred from Fm DM 1 to Fm DM 2 through dI2C demo boards Fi...

Страница 12: ...s customer s sole responsibility to determine whether the NXP Semiconductors product is suitable and fit for the customer s applications and products planned as well as for the planned application and...

Страница 13: ...ic of dI2C demo board 4 3 1 4 Bill of materials 5 3 1 5 Power supply 6 3 1 6 I2C bus side 7 3 1 7 dI2C bus side 8 3 1 8 Other signals 9 4 How to run a demo on Fm board with dI2C demo board 9 4 1 How t...

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