ADVANCE INFORMATION
VCT 38xxA
029F H
Write
Reset
0
ACQ STANDARD
Bit
7
Function
1 = CAPTION enable in field 2
0 = CAPTION disable in field 2
6
0
0
0
1 = CAPTION enable in field 1
0 = CAPTION disable in field 1
5
1 = VPS enable
0 = VPS disable
7 to 5
VPS and CAPTION cannot be used at the same time, therefore these combinations are used to enable
WSS reception on a PAL+ signal
0 =
1 = VPS
2 = CAPTION field 1
3 = WSS & VPS
4 = CAPTION field 2
5 = WSS & VPS
6 = CAPTION field 1&2
7 = WSS
4
1
0
1 = acquisition enable
0 = acquisition disable
1 to 0
00 = PAL mode
10 = NTSC mode
11 = Caption full field mode
02A3 H
Bit
Write
Reset
0
ACQ VIDEO INPUT
Function
1 to 0
00 = VIN1
01 = VIN2
10 = VIN3
11 = VIN4
02A4 H
Bit
Read
Reset
0
ACQ HSYNC COUNTER
Function
7 to 0
number of detected horizontal sync pulses per frame divided by 4
sync pulse is detected if within horizontal window of HPLL
counter is latched with vertical sync, the register can be read at any time
Micronas
81
MICRONAS [ MICRONAS ]
