ADE3800XT datasheet(61/138 Pages) STMICROELECTRONICS

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ADE3800

● Number of bars in C1 = PGEN_P0_MODE[4:2] +1 = 4 (bars 0 to 3)

PGEN_P0_SEQ_COL0_COL1 = 42:

● Bar 0 filters G and B components but lets R pass: this 1st bar is displayed in red

● Bar 1 filters R and B components but lets G pass: this 2nd bar is displayed in green

PGEN_P0_SEQ_COL2_COL3 = 17:

● Bar 2 filters R and G components but lets B pass: this 3rd bar is displayed in blue

● Bar 3 does not filter any of the R G B components: this 4th bar is displayed in white

PGEN_P0_SEQ_COL4_COL5 = 77: bars 4 and 5 do not filter R G B and are displayed in white.

PGEN_P0_SEQ_COL6_COL7 is don’t care, since a maximum of 6 bars is used by C0 and C1.

Across the display, 6 bars [red] [green] [blue] [white] [white] [white] (from C0 group) are now

displayed, followed by 4 bars [red] [green] [blue] [white] (from C1 group), then again 6 bars from

C0 group etc.. until the right border of the display area is reached:

The bars also repeat vertically.

4.11.2.4 Gradient Control

The gradient control registers modify the colors C0 and C1 as follows:

● PGEN_P0_GRADDELTA_R: increment the Red value by this register value

● PGEN_P0_GRADDELTA_G: increment the Green value by this register value

● PGEN_P0_GRADDELTA_B: increment the Blue value by this register value

● PGEN_P0_GRADSTEP_X: apply the increment value to each color every X horizontal pixels

● PGEN_P0_GRADSTEP_Y: apply the increment value to each color every Y vertical lines

Col Sequence:

(‘bar0’ = 5,

’bar1’ = 3 )

RGB

width

(in pix)

width

(in pix)

width

(in pix)

width

(in pix)

RGBmasks

(3 bit each)

seq_colx_colx

RGBcolors

(24 bit)

Resulting pattern:

disabled

Identical mask sets

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