MCIMX286CVM4B Freescale Semiconductor, MCIMX286CVM4B Datasheet - Page 2128

• Manufacturer Part Number: MCIMX286CVM4B
• Description: IC MPU I.MX286 289MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: i.MX28r

Specifications of MCIMX286CVM4B

• Core Processor: ARM9
• Core Size: 32-Bit
• Speed: 454MHz
• Connectivity: CAN, EBI/EMI, Ethernet, I²C, MMC, SmartCard, SPI, SSI, UART/USART, USB OTG
• Peripherals: DMA, I²S, LCD, POR, PWM, WDT
• Program Memory Size: 128KB (32K x 32)
• Program Memory Type: Mask ROM
• Ram Size: 32K x 32
• Voltage - Supply (vcc/vdd): 1.25 V ~ 5.25 V
• Data Converters: A/D 17x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 289-LFBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of I /o: -
• Eeprom Size: -
• Lead Free Status / Rohs Status: Compliant

Operation
34.2.7 Color Key
Pixels may be made transparent to the corresponding overlay by using the S0 color key
registers. If an S0 pixel matches the range specified by the S0COLORKEYLOW and
S0COLORKEYHIGH registers, the pixel from the associated overlay will be displayed. If
no overlay is present for that block, a black pixel will be generated since the default overlay
pixel is 0x00000000 (transparent black pixel).
The most common use for this is when a bitmap does not support an alpha-field or for
applications such as "green screen" where an image is substituted for a solid background
color as shown below.
The green portion of the overlay image can be color keyed to display the contents of the S0
buffer for locations that match the color range. For this example, the color range is
Conversely, background color keying could also have been used if the images had been
swapped.
If color keying is enabled for an overlay, any pixels matching the color key parameters will
be handled as color keyed pixels. Non-matching pixels will be alpha blended or handled
by ROP operations as normal.
2128
OL Colorkey: 00<R<80 70<G<ff 00<B<80
Figure 34-8. Pixel Pipeline (PXP) Color Key Example
i.MX28 Applications Processor Reference Manual, Rev. 1, 2010
Freescale Semiconductor, Inc.