54
AMD Geode™ SC1200/SC1201 Processor Data Book
Signal Definitions
32579B
3.4.5
TV Interface Signals
Signal Name
Ball No.
Type
Description
Mux
CVBS
A23,
A24,
D24
O
Composite Video.
Includes synchronization, luminance
and chrominance components of video.
See
Memory Offset
C08h[4:3] bit
description on
page 356 for config-
uration details.
SVY
A24
O
Super Video Luminance.
S-Video luminance signal.
SVC
C23
O
Super Video Chrominance.
S-Video chrominance sig-
nal.
TVR
A24,
C23
O
TV Red.
TV Red component signal for SCART.
TVG
A23
O
TV Green.
TV Green component signal for SCART.
TVB
C23,
D24
O
TV Blue.
TV Blue component signal for SCART.
Y
A23
O
Intensity.
Color intensity vector.
Cr
C23,
D24
O
Chrominance Red.
Red axis phase angle.
Cb
A24,
C23
O
Chrominance Blue.
Blue axis phase angle.
TVREF
C24
I/O
Voltage Reference.
Reference voltage for TV DAC. This
signal reflects the internal voltage reference. If an exter-
nal voltage reference is used, this input is tied to a
1.235V reference.
---
TVCOMP
B26
I
Current Compensation for TV DAC.
A 0.1 µF to 1.2 µF
capacitor is used to connect this ball to AV
CCTV
.
---
TVRSET
A25
I
TV Set Resistor.
This signal sets the current-level for the
TV DAC. Typically, an 1140
Ω
, 1% resistor is connected
between this ball and AV
SSTV
. The full scale current out-
put of TV DACs is 32 * TVREF / TVRSET. An 1140
Ω
, 1%
resistor enables driving a double terminated 75
Ω
trans-
mission line.
---
TVIOM
B23
O
TV Output Dump Current.
Typically, a 9.3
Ω
, 1% resistor
is connected between this ball and AV
SSTV
.
---
Summary of Contents for Geode SC1200
Page 8: ...8 AMD Geode SC1200 SC1201 Processor Data Book List of Figures 32579B...
Page 16: ...16 AMD Geode SC1200 SC1201 Processor Data Book Overview 32579B...
Page 24: ...24 AMD Geode SC1200 SC1201 Processor Data Book Architecture Overview 32579B...
Page 364: ...364 AMD Geode SC1200 SC1201 Processor Data Book Debugging and Monitoring 32579B...