VPC 323xD, VPC 324xD
ADVANCE INFORMATION
FP Sub-
address
Function
Default
Name
h’2f
VGA mode select, pull-in range is limited to 2%
VGA_C
bit[1:0]
0
1
31.5 kHz
35.2 kHz
0
0
VGAMODE
2/3 37.9 kHz
is set to 0 by FP if VGA = 0
0/1 disable/enable VGA mode
status bit, write 0, this bit is set to 1 to indicate
operation complete.
bit[10]
bit[11]
VGA
Comb Filter
h’28
comb filter control register
bit[1:0] notch filter select
h’e7 COMB_UC
3
NOSEL
00
01
10
11
flat frequency characteristic
min. peaked
med. peaked
max. peaked
bit[3:2] diagonal dot reduction
00 min. reduction ... 11
bit[4:5] horizontal difference gain
1
2
3
0
DDR
HDG
VDG
VPK
max. reduction
max. gain
00
bit[7:6] vertical difference gain
00 max. gain
bit[11:8] vertical peaking gain
no vertical peaking... 15 max. vertical peaking
min. gain
... 11
... 11
min. gain
0
h’55
comb filter test register
CMB_TST
bit[1:0] reserved, set ot 0
bit[2]
bit[3]
0/1 disable/enable vertical peaking DC rejection filter
0/1 disable/enable vertical peaking coring
0
0
DCR
COR
bit[11:4] reserved, set to 0
Color Processing
h’30
Saturation control
bit[11:0] 0...4095 (2070 corresponds to 100% saturation)
2070 ACC_SAT
787 HLPGAIN
h’17a
ACC PAL+ Helper gain adjust, gain is referenced to PAL burst,
allowed values from 256..1023
a value of zero allows manual adjust of Helper amplitude via ACCh
h’17d
ACC multiplier value for PAL+ Helper Signal
b[10:0] eeemmmmmmmm m * 2–e
1280 ACCH
h’39
h’3a
h’16c
amplitude killer level (0:killer disabled)
amplitude killer hysteresis
25 KILVL
5
0
KILHY
automatic helper disable for nonstandard signals
HLPDIS
bit[11:0] 0
bit[1:0] 01
automatic function disabled
enable
bit[11:2] 1..50 number of fields to switch on helper signal
h’dc
NTSC tint angle, ±512 = ±π/4
0
TINT
42
Micronas
MICRONAS [ MICRONAS ]
