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ADVANCE INFORMATION
VPC 323xD, VPC 324xD
Micronas
25
A summary of VPC modes is given in Table 2–9.
2.12.2. PIP Display Modes
To minimize the programming effort, 15 predefined PIP
modes are already implemented, including double win-
dows, single and multi-PIP (Fig. 2–23 and 2–24).
In addition an expert mode is available for advanced
PIP applications. In this case the inset picture size, as
well as the PIP window arrangements are fully pro-
grammable.
Examples for the PIP mode programming are given in
5.2.
2.12.3. Predefined Inset Picture Size
The predefined PIP display modes are based on four
fixed inset picture sizes (see Table 2–10). The corre-
sponding picture resizing is achieved by the integrated
horizontal and vertical scaler of VPC 32xxD, which
must be programmed accordingly (see Table 2–11).
The inset pictures are displayed with or without a
frame controlled by I
2
C. The fixed frame width is 4 pix-
els and 4 lines..
Notes:
1) must be > 47, if FIFOTYPE=0 or 1
2) BR=16 in register sc_bri
3) MSB of SC_MODE updates all scaler register
Table 2–9:
VPC 32xxD modes for PIP applications
Working
mode
Function
pip
- decimate the video signal for the
inset pictures
- write the inset pictures into the field
memory
- write the frame and background
into the field memory
main
- deliver the video signal for the
main picture
- read the inset pictures from the
field memory and insert them into
the main picture
- write the resulting video signal
into the field memory for the scan
rate conversion (SRC)
single
- decimate the video signal for the
main or the inset picture(s)
- write the inset pictures into the field
memory
- write the frame and background
into the field memory
- write the main picture part outside
the inset pictures into the field
memory
- read the field memory (optional)
Table 2–10:
Inset picture size (without frame) in the
predefined PIP modes
size
horizontal
[pixel/line]
vertical
[line/field]
4:3 screen
16:9 screen
625
line
525
line
13.5
MHz
16
MHz
13.5
MHz
16
MHz
1/2
332
392
248
292
132
110
1/3
220
260
164
196
88
74
1/4
164
196
124
148
66
55
1/6
112
132
84
96
44
37
Table 2–11:
Scaler Settings for predefined PIP modes at 13.5 MHz
PIP size
scinc1
FP h’43
fflim
FP h’42
sc-pip
FP h’41
sc_bri
2)
FP h’52
newlin
1)
I
2
C h’22
avstrt
1)
I
2
C h’28
avstop
I
2
C h’29
full
h’600
h’2d0
h’00
h’010
h’86
h’86
h’356
1/2
h’600
h’168
h’11
h’110
h’194
h’86
h’356
1/3
h’480
h’f0
h’16
h’210
h’194
h’86
h’356
1/4
h’600
h’b4
h’1a
h’210
h’194
h’86
h’356
1/6
h’480
h’78
h’1f
h’310
h’194
h’86
h’356
dou. win
h’acd
h’190
h’00
h’010
h’86
h’86
h’356