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Video Controller
19.5.2.1 PAL PROGRAMMING PROCEDURE EXAMPLE. Use the following procedure to
program your video controller using an ADV7176 video encoder in slave mode with video
data in CCIR 4:2:2 format.
• Program the VBCB register with the components of the background video. For a black
background, write 0x80108010 to the VBCB register.
• Program 0x09005A5A to the VFCR1. It defines a field of 288 lines, in which each line
consists of 90 burst of data. There is a GAP1 of one line (90 bursts) long between two
consecutive lines due to interlace mode.
• Program the start address of the odd field to VFAA1 register.
• Program the start address of the even field to the VFBA1 register. This address must
be equal to the VFAA1 address+0x5A0.
• Use Table 19-2 to configure the video controller RAM array.
• Write 0x02 to the VCMR to select RAM_1 and FIFO register set 1 as the active set.
• Program 0x2041 to the VCCR to operate the video controller.
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MPC823e REFERENCE MANUAL
MOTOROLA
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