![](http://datasheet.mmic.net.cn/220000/VPX322XE_datasheet_15512238/VPX322XE_75.png)
ADVANCE INFORMATION
VPX 322xE
75
Micronas
6.1.2. Description of FP Control and Status Registers
Table 6
–
4:
FP-RAM VPX Front-End
FP-RAM VPX Front-End
Address
Hex
Number
of Bits
Mode
Function
Default
Name
Standard Selection
h
’
20
12
w/r
Standard select:
bit[2:0]
standard
0
1
2
3
4
5
6
7
0/1
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
reserved; must be set to zero
4H Comb mode
0/1
S-VHS mode off/on
(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
bit[3]
bit[4]
bit[5]
bit[6]
Option bits allow to suppress parts of the initialization:
bit[7]
bit[8]
bit[9]
bit[10]
no hpll setup
no vertical setup
no acc setup
reserved, set to zero
bit[11]
status bit, write 0. After the FP has switched to a
new standard, this bit is set to 1 to indicate
operation complete.
1
sdt
pal
ntsc
secam
ntsc44
palm
paln
pal60
ntscc
sdtmod
comb
svhs
sdtopt
h
’
158
12
w/r
Enable automatic standard recognition
bit[0]
0/1
bit[1]
0/1
bit[2]
0/1
bit[3]
0/1
bit[4]
0/1
bit[5]
0/1
bit[6]
0/1
PAL B,G,H,I
NTSC M
SECAM
NTSC44
PAL M
PAL N
PAL 60
(50 Hz)
(60 Hz)
(50 Hz)
(60 Hz)
(60 Hz)
(50 Hz)
(60 Hz)
4.433618
3.579545
4.286
4.433618
3.575611
3.582056
4.433618
0: disable recognition; 1: enable recognition
Note:
For correct operation, do not change FP registers 20h and
21h while ASR is enabled.
0
asr_enable
h
’
15e
12
r
Status of automatic standard recognition
bit[0]
1
error of the vertical standard
(neither 50 nor 60 Hz)
detected standard is disabled
search active
search terminated, but failed
no color found
bit[1]
bit[2]
bit[3]
bit[4]
1
1
1
1
bit[4:0]
00000
00001
all ok
search not started, because vwin error
detected (no input or SECAM L)
search not started because vertical
standard not enabled
search started and still active
search failed (found standard not correct)
search failed (detected standard
not enabled)
no color found (monochrome input signal or
switch between CVBS
SVHS necessary)
00010
0x1x0
01x00
01x10
10x00
0
asr_status
vwinerr
disabled
busy
failed
no color