SDA9288X Datasheet, PDF (10/46 Pages) Siemens Semiconductor Group – Single Chip PIP System

SDA 9288X
1.3 Pin Definitions and Functions (cont’d)
Pin No. Symbol Function¹⁾ Descriptions
25
HVI
I_3-L
Special 3-level hor. and vert. sync signal for inset
channel
26
SYS
I_3-L
Input for standard depending internal switching
(LOW (L) = PAL, MID (M) = NTSC,
HIGH (H) = SECAM)
28
YIN
I/ana
Analog input: luminance signal Y
29
VDDA1 S
30
UIN
I/ana
Analog voltage supply (V_DD) for ADC
Analog input: chrominance signal + (B-Y) or – (B-Y)
31
VREFH I
Upper reference voltage for AD converters
32
VIN
I/ana
Analog input: chrominance signal + (R-Y) or – (R-Y)
I : input, Q : output, ana : analog, TTL : digital (TTL), 3-L : 3-level, S : supply voltage
Semiconductor Group
10
03.96