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DLPC900_V01 Datasheet(Hoja de datos) 54 Page - Texas Instruments

No. de Pieza. DLPC900_V01
Descripción  DLPC900 Digital Controller for Advanced Light Control
Descarga  83 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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54
DLPC900
DLPS037D – OCTOBER 2014 – REVISED MARCH 2019
www.ti.com
Product Folder Links: DLPC900
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Copyright © 2014–2019, Texas Instruments Incorporated
Typical Applications (continued)
(1)
This interface is the host port.
8.2.1.2 Detailed Design Procedure
8.2.1.2.1
DLPC900 System Interfaces
The DLPC900 chipset supports a 24-bit parallel RGB interface for image data transfers from another device and
a 24-bit interface for video data transfers. The system input requires proper generation of the PWRGOOD and
POSENSE inputs to ensure reliable operation. There are two primary output interfaces: illumination driver control
interface and sync outputs.
8.2.1.2.1.1
Control Interface
The DLPC900 chipset supports I2C or USB commands through the control interface. The control interface allows
another master processor to send commands to the DLPC900 controller to query system status or perform real-
time operations, such as, LED driver current settings. The DLPC900 allows the user to set a different I2C slave
address for the host port. Refer to the DLPC900 Programmer's Guide to set a different I2C master and slave
addresses.
Table 7. Active Signals – I2C Interfaces
SIGNAL NAME
DESCRIPTION
I2C2_SCL
I2C clock. Bidirectional open-drain signal. I2C master clock to external devices.
I2C2_SDA
I2C data. Bidirectional open-drain signal. I2C master to transfer data to external devices.
I2C1_SCL
I2C clock. Bidirectional open-drain signal. I2C master clock to external devices.
I2C1_SDA
I2C data. Bidirectional open-drain signal. I2C master to transfer data to external devices.
I2C0_SCL (1)
I2C clock. Bidirectional open-drain signal. I2C slave clock input from the external processor.
I2C0_SDA (1)
I2C data. Bidirectional open-drain signal. I2C slave to accept commands or transfer data to and from the external
processor.




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