VCT38XXA Datasheet, PDF (38/172 Pages) Micronas – Video/Controller/Teletext IC Family

VCT 38xxA
ADVANCE INFORMATION
I²C Sub Number Mode
address of bits
8
r
h’18
h’19
h’1a
h’1d
h’1c
h’1b
h’1e
8
r
h’67
9
wv
h’77
9
wv
h’5f
9
wv
h’7a
9
wv
h’76
9
wv
h’6e
9
wv
h’72
9
wv
h’7e
9
wv
h’5b
9
wv
Function
Default Name
measurement result registers
minimum in active picture
maximum in active picture
white drive
cutoff/leakage red
cutoff/leakage green
cutoff/leakage blue,
read pulse starts tube measurement
measurement adc status and Fast-Blank input status
measurement status register
bit [0]
0/1
tube measurement active / complete
bit [2:1]
white drive measurement cycle
00
red
01
green
10
blue
11
reserved
bit [3]
0/1
picture measurement active / complete
bit [4]
0/1
Fast-Blank input Low / High (static)
bit [5]
1
Fast-Blank input negative transition since
last read (bit reset at read)
bit [7:6]
reserved
Vertical Timing
vertical blanking start
bit [8:0] 0..511 first line of vertical blanking
vertical blanking stop
bit [8:0] 0..511 last line of vertical blanking
vertical free run period
bit [8:0] free running field period = (value+4) lines
Horizontal Deflection and Timing
quadratic term of angle & bow correction
bit [8:0] −256..+255 (± 500 ns)
linear term of angle & bow correction
bit [8:0] −256..+255 (± 500 ns)
adjustable delay of PLL2, clamping, and blanking (relative to
front sync)
adjust clamping pulse for analog RGB input
bit [8:0] −256..+255 (± 8 µs)
adjustable delay of flyback, main sync, csync and analog RGB
(relative to PLL2)
adjust horizontal drive or csync
bit [8:0] −256..+255 (± 8 µs)
adjustable delay of main sync (relative to flyback)
adjust horizontal position for digital picture
bit [8:0] 20 steps=1 µs
start of horizontal blanking
bit [8:0] 0..511
−
MRMIN
MRMAX
MRWDR
MRCR
MRCG
MRCB
− PMS
VBST
305
VBSO
25
VPER
309
0 BOW
0 ANGLE
−141 POFS2
0 POFS3
120 HPOS
1 HBST
38
Micronas