LCD Controller Specification
B.6
PIXEL COMMANDS
The pixel commands treat the display like a 122-column, 32-line set of pixels, which is
the native resolution of the display. The pixel coordinate system differs from the others
in having its origin at the lower left instead of at the upper left. Pixel coordinates are
intended for graphs rather than letters or bitmap pictures.
B.6.1
PixPos Command
The PixPos command sets PixPos to (PixPosX,PixPosY) and leaves the display
unchanged. This command is intended to be used in conjunction with the PixLine
command.
Field
Opcode
Form
0xD7
Value
PixPosX
PixPosY
0
0
X6
0
X5
0
X4
Y4
X3
Y3
X2
Y2
X1
Y1
X0
Y0
Column 0-121
Line 0-31
B.6.2
PixOn Command
The PixOn command sets PixPos to (PixPosX,PixPosY) and turns on the pixel at that
location. This command does not increment PixPos.
Field
Opcode
Form
0xD8
Value
PixPosX
PixPosY
0
0
X6
0
X5
0
X4
Y4
X3
Y3
X2
Y2
X1
Y1
X0
Y0
Column 0-121
Line 0-31
B.6.3
PixOff Command
The PixOff command sets PixPos to (PixPosX,PixPosY) and turns off the pixel at that
location. This command does not increment PixPos.
Field
Opcode
Form
0xD9
Value
PixPosX
PixPosY
0
0
X6
0
X5
0
X4
Y4
X3
Y3
X2
Y2
X1
Y1
X0
Y0
Column 0-121
Line 0-31
B.6.4
PixLine Command
The PixLine command draws a straight line from the current PixPos to the specified
location and leaves PixPos set to the new location.
Field
Opcode
Form
Value
0xDA
PixPosX
PixPosY
0
0
X6
0
X5
0
X4
Y4
X3
Y3
X2
Y2
X1
Y1
X0
Y0
Column 0-121
Line 0-31
? 2006 Microchip Technology Inc.
DS70099D-page 81
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