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Figure 5: fpga video control registers – Sundance SMT319 User Manual

Page 21

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Version 1.0.7

Page 21 of 45

SMT319 User Manual

Overlay text

Provides overlay text on video output. 25
rows of 40 characters

1k -

Overlay text colour

3 bytes determine the text colour (Y Cr Cb)
3 bytes determine the text background

6 -

Character generator

Provides the bit patterns of the overlay
characters. Each character must be displayed
in both fields.

1k -

PDT (peripheral data transfer) control

TBD

1k -

Figure 5: FPGA video control registers