122-32000 Parallax Inc, 122-32000 Datasheet - Page 319

• Manufacturer Part Number: 122-32000
• Description: MANUAL PROPELLER
• Manufacturer: Parallax Inc

Specifications of 122-32000

• Accessory Type: Manual
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: Propeller Education (PE) Kit
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

VGroup
The VGroup (video output pin group) field selects which group of 8 I/O pins to output video
on.
VPins
The VPins (video output pins) field is a mask applied to the pins of VGroup that indicates
which pins to output video signals on.
Using VCFG
VCFG
This sets the video configuration register to enable video in composite mode 1 with 4 colors,
baseband chroma (color) enabled, on pin group 1, lower 4 pins (which is pins P11:8).
VCFG := %0_10_1_0_1_000_00000000000_001_0_00001111
can be read/written like other registers or pre-defined variables. For example:
00001111
11110000
11111111
VGroup
100-111
VPins
000
001
010
011
Table 4-20: The VGroup Field
Table 4-21: The VPins Field
Pin Group
Group 0: P7..P0
Group 1: P15..P8
Group 2: P23..P16
Group 3: P31..P24
<reserved for future use>
Effect
Drive Video on lower 4 pins only; composite
Drive Video on upper 4 pins only; composite
Drive video on all 8 pins; VGA
4: Spin Language Reference –
Propeller Manual v1.0 · Page 319