Difference between revisions of "Video Timing Register"

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Revision as of 10:00, 14 April 2019

Number $11
Readable Yes
Writable Yes
Short Description Sets video output timing variant.

(writable in config mode only)

Bit Function
7-3 Reserved, must be 0
2-0 video signal timing variant

Possible timing variants:

Bit pattern selected variant
%000 Base VGA timing (50/60Hz depending on bit 2 of Peripheral 1 Register ($05))
%001 VGA setting 1
%010 VGA setting 2
%011 VGA setting 3
%100 VGA setting 4
%101 VGA setting 5
%110 VGA setting 6
%111 HDMI

Each VGA setting increases the frequency by approximately 1 kHz.