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UM10574
PCA9685 demonstration board OM13332
Rev. 1 — 1 April 2014
Document information
Info
Content
Keywords
Fm+ I2C-bus, PCA9685, RGB and White LEDs, 16 channel x 12-bit PWMs
Abstract
The OM13332 is an add-on to 9-pin connector of the NXP I2C demo board 2005-1
or Fm+ I2C Bus development board. This daughter board makes it easy to test
and design with the PCA9685, the LED output driver is programmed to be either
open-drain with a 25 mA current sink capability at 5 V or totem pole with a 25 mA
sink. The PCA9685 operates with a supply voltage range of 2.3 V to 5.5 V and the
inputs and outputs are 5.5 V tolerant. This demo board, along with the
Win-I2CUSB Lite GUI (PC based), provides an easy to use evaluation platform.
User manual
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Summary of Contents for NXP Semiconductors UM10574
- Page 1 UM10574 PCA9685 demonstration board OM13332 Rev. 1 — 1 April 2014 User manual Document information Info Content Keywords Fm+ I2C-bus, PCA9685, RGB and White LEDs, 16 channel x 12-bit PWMs Abstract The OM13332 is an add-on to 9-pin connector of the NXP I2C demo board 2005-1 or Fm+ I2C Bus development board.
- Page 2 For sales office addresses, please send an email to: salesaddresses@nxp.com UM10574 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved. User manual Rev. 1 — 1 April 2014 2 of 14...
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Page 3: Introduction
PC USB port. Take care not to exceed the USB port current capabilities. UM10574 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved. User manual Rev. 1 — 1 April 2014... -
Page 4: Installation
PCA9685 demo board (OM13332) mounting to the I2C demo board 2005-1 (OM6275) UM10574 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved. User manual Rev. 1 — 1 April 2014... -
Page 5: Om13332 Connection To Win-I2Cusb Hardware Adapter Board
PCA9685 demo board (OM13332) connecting to the Win-I2CUSB board UM10574 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved. User manual Rev. 1 — 1 April 2014 5 of 14... -
Page 6: Hardware Description
J5 and J6 are GND pins for probing use. UM10574 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved. User manual Rev. 1 — 1 April 2014 6 of 14... -
Page 7: Schematic
xxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx x xxxxxxxxxxxxxx xxxxxxxxxx xxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxx xx xxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxx xxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxx xxxxxxxxxxxxxx xxxxxx xx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxx xxxxx x x 9-pin connector to/from I2C 2005-1 9-pin connector to/from I2C 2005-1 or to/from PCA9685 demo board or to/from PCA9685 demo board 9-pin female 9-pin female... -
Page 8: Om13332 Demonstration Board Main Components
Write On’ box (lower left), uncheck the ‘Low-power mode (oscillator off)’ box to enable the device to ‘Normal mode’ (upper left). UM10574 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved. User manual Rev. 1 — 1 April 2014 8 of 14... - Page 9 LED OFF time, which is also programmable, is the time to negate the LED output. Fig 5. Drop-down menu selections UM10574 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved. User manual Rev. 1 — 1 April 2014 9 of 14...
- Page 10 Device configuration screen for PWM0 to PWM3 Fig 7. Device configuration screen Control registers UM10574 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved. User manual Rev. 1 — 1 April 2014 10 of 14...
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Page 11: Dimming And Brightness Control For All Leds And Prescale
PRESCALE to adjust LED output frequency when sleep enabled UM10574 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved. User manual Rev. 1 — 1 April 2014 11 of 14... -
Page 12: Support
UM10206, “I2C Demonstration Board 2005-1 Quick Start Guide” — NXP Semiconductors; www.nxp.com/documents/user_manual/UM10206.pdf UM10574 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved. User manual Rev. 1 — 1 April 2014 12 of 14... -
Page 13: Legal Information
In no event shall NXP Semiconductors, its affiliates or their suppliers be liable Notwithstanding any damages that customer might incur for any reason to customer for any special, indirect, consequential, punitive or incidental whatsoever, NXP Semiconductors’... -
Page 14: Table Of Contents
Contents ......14 Please be aware that important notices concerning this document and the product(s) described herein, have been included in section ‘Legal information’. © NXP Semiconductors N.V. 2014. All rights reserved. For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com... - Page 15 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: OM13332,598...
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