20
37GT-27S
Note:
1. Input/Output not available in STV2236 and STV2236D versions.
-
44
58
CVBSOUT1
Main Video Switch Output
45
45
59
V
CC
1
Chroma/Scanning Power Supply (8 V)
46
46
61
BCL/SAF
Beam Current Limiter Control Voltage and
Safety Input (XRAY)
47
47
62
VERT
Vertical Output Pulse
48
48
63
HOUT
Horizontal Output Pulse
49
49
64
LFB/SSC
Line Flyback Input and Super-sandcastle Out-
put
50
50
1
SLPF
Scanning PLL Filter
51
51
2
SCL
I
2
C Bus Clock Input
52
52
3
SDA
I
2
C Bus Data Input
53
53
4
V
CC
D
Digital Supply Voltage (5 V)
54
54
5
GND D
Digital Ground
55
55
6
AUDIOOUT
Main Audio Output
56
56
7
FMCAP
FM Demodulation Capacitor
-
-
15
SAW
Filter Switch Control
25
-
30
BEXT/UEXT
External Blue Input or external U input
26
-
31
GEXT/YEXT
External Green Input or external Y input
27
-
32
REXT/VEXT
External Red Input or external V input
28
-
33
FBEXT
External Fast Blanking Input
24
-
36
APR
Automatic RGB Peak Regulation
-
-
51
HALFCTR
Half Contrast Input
44
-
60
CVBSOUT2
Second Video Switch Output
Pin N°
Symbol
Description
STV224X/8X
STV223X
STV223XD
SDIP56
SDIP56
TQFP64
STV2236 (IC 801)
PIN CONNECTIONS STV223XD (TQFP64)
