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