vpx3224d ETC-unknow, vpx3224d Datasheet - Page 72

• Manufacturer Part Number: vpx3224d
• Description: Video Pixel Decoders
• Manufacturer: ETC-unknow

72
VPX 3225D, VPX 3224D
6.1.2. Description of FP Control and Status Registers
Table 6–4: FP-RAM VPX Front-End
Address
Hex
h’20
h’21
h’22
h’23
Number
of Bits
12
12
12
12
Mode
w
w
w
w
Function
Standard select:
bit [2:0]
bit [3]
bit [5:4]
bit [6]
Option bits allow to suppress parts of the initialization:
bit [7]
bit [8]
bit [9]
bit [10]
bit [11]
Input select: Writing to this register will also initialize the standard.
bit [1:0]
bit [2]
bit [4:3]
bit [6:5]
bit [7]
bit [8]
bit [10:9]
bit [11]
picture start position, This register sets the start point of active vid-
eo. This can be used e.g. for panning. The setting is updated when
’sdt’ register is updated
luma/chroma delay adjust, The setting is updated when ’sdt’ register
is updated
bit [5:0]
bit [11:6]
FP-RAM VPX Front-End
standard
0
1
2
3
4
5
6
7
0/1
reserved; must be set to zero
0/1
no hpll setup
no vertical setup
no acc setup
reserved, set to zero
status bit, write 0. After the FP has switched to a new
standard, this bit is set to 1 to indicate operation
complete.
luma selector
00
01
10
11
chroma selector
0/1
IF compensation
00
01
10
11
chroma bandwidth selector
00
01
10
11
0/1
0/1
hpll speed
00
01
10
11
status bit, write 0; This bit is set to 1 to indicate
operation complete.
reserved, set to zero
luma delay in clocks, allowed range is +1 ... –7
Standard Selection
PAL B,G,H,I
NTSC M
SECAM
NTSC44
PAL M
PAL N
PAL 60
NTSC COMB
MOD standard modifier
PAL modified to simple PAL
NTSC modified to compensated NTSC
SECAM modified to monochrome 625
NTSCC modified to monochrome 525
S-VHS mode off/on
VIN3
VIN2
VIN1
reserved
VIN1/CIN
off
6 dB/Okt
12 dB/Okt
10 dB/MHz only for SECAM
narrow
normal
broad
wide
adaptive/fixed SECAM notch filter
enable luma lowpass filter
no change
terrestrial
vcr
mixed
(50 Hz)
(60 Hz)
(50 Hz)
(60 Hz)
(60 Hz)
(50 Hz)
(60 Hz)
(60 Hz)
4.433618
3.579545
4.286
4.433618
3.575611
3.582056
4.433618
3.579545
PRELIMINARY DATA SHEET
Default
0
00
1
00
01
0
0
Name
sdt
pal
ntsc
secam
ntsc44
palm
paln
pal60
ntscc
sdtmod
svhs
sdtopt
insel
vis
cis
ifc
cbw
fntch
lowp
hpllmd
sfif
ldly
Micronas