R61509V

Target Spec

 

 

 

GRAM Data Read (R202h)

 

R/W

RS

 

 

 

R

1

RAM read data RD[17:0] is transferred via different data bus in different interface operation.

 

 

 

 

 

 

RD[17:0]: 18-bit data read from the GRAM. RAM read data RD[17:0] is transferred via different data bus in different interface operation.

When the R61509V reads data from the GRAM to the microcomputer, the first word read immediately after RAM address set is not outputted. Therefore, data on the data bus is invalid. Valid data is sent to the data bus when the R61509V reads out the second and subsequent words.

When either 8-bit or 16-bit interface is selected, the LSBs of R and B dot data are not read out.

Note: This register is disabled in RGB interface operation

First word

Second word

First word

Second word

Set ID, AM,

HSA, HEA, VSA, and VEA bits

Set address N

Dummy read (invalid data to DB17-0) From GRAM to read data latch

Read (data of address N) From read data latch to DB17-0

Set address M

Dummy read (invalid data to DB17-0) From GRAM to read data latch

Read (data of address M) From read data latch to DB17-0

Read out data to the microcomputer

Figure 8 GRAM Read Sequence

Rev. 0.11 April 25, 2008, page 77 of 181

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Image 77
Renesas R61509V manual Gram Data Read R202h, Gram Read Sequence
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R61509V specifications

The Renesas R61509V is a versatile and advanced display controller designed to manage graphical user interfaces in various electronic devices. This controller is particularly popular among manufacturers of consumer electronics due to its rich feature set and efficient performance. The R61509V is known for its compatibility with a range of display technologies including LCD and OLED, making it a go-to choice for diverse applications in automotive, industrial, medical, and consumer sectors.

One of the standout features of the R61509V is its high-resolution support, allowing it to drive displays with resolutions up to 800x480 pixels. This capability ensures that users experience clear, vibrant visuals, enhancing the overall usability of devices. The controller supports 16-bit RGB output, enabling a broad color palette and ensuring that colors are rendered accurately and with richness.

The R61509V also incorporates advanced graphics capabilities, including a built-in graphics engine that supports various graphical elements. This engine allows for the overlay of graphics and images, creating smooth transitions and animations that enhance user interaction. Its ability to handle multiple layers makes it ideal for applications that require a complex user interface.

Additionally, the R61509V utilizes a serial peripheral interface (SPI) for communication, allowing for seamless integration with microcontrollers and processors. This feature simplifies the design process and reduces the overall system cost by minimizing the need for additional components. The controller is designed to operate with low power consumption, making it suitable for battery-powered devices where efficiency is critical.

In terms of software support, the R61509V is accompanied by a wide range of software development tools, including drivers and libraries that facilitate the development of applications. Its flexible programming architecture allows engineers to implement custom functionalities that enhance the user experience.

The R61509V is built on reliable, scalable technology, ensuring that it can adapt to various industry demands. With its combination of high-performance graphics, versatile display support, and low power usage, the Renesas R61509V is a compelling choice for manufacturers looking to create innovative and visually appealing products. Whether in automotive dashboards, medical devices, or user-centric consumer electronics, the R61509V enables captivating display solutions that meet modern technological requirements.
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