CXA2050S
Description of Registers
Register name (No. of bits)
1. Video switch register
CV/YC
(1)
(1)
: CV input/YC input selector
0 = CV input selected
1 = YC input selected
EXT SYNC
: EXT SYNC selector switch
0 = Internal sync (CV or Y) selected
1 = EXT SYNC selected
2. Y signal block register
SUB-CONT
(4)
: Contrast gain control (Y gain control)
0h = –3.5dB
7h =
0dB
Fh = +2.5dB
TRAP-F0
(4)
: Chroma trap f0 fine adjustment
0h = High
7h = Center
Fh = Low
SHARPNESS (4)
: Sharpness gain control
0h = –6dB
7h = +2.5dB
Fh = +6.5dB
SHPF0
PRE-OVER
VM
(1)
(2)
(1)
(1)
(3)
: Sharpness f0 selector
0 = 3MHz
1 = 3.5MHz
: Sharpness preshoot/overshoot ratio control
0h = 1:1
3h = 2:1
(PRE: OVER)
: Y differential signal output level selector for VM (for 100% 3MHz input)
0 = 1.1Vp-p
1 = 2.65Vp-p
TRAP OFF
: Y block chroma trap ON/OFF
0 = Trap ON
1 = Trap OFF
DL
: Y signal delay time control (80ns/step)
0h = Max.
7h = Min.
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SONY [ SONY CORPORATION ]
