Pin Voltages Of Ic's - Beko D5 Service Manual

9. PIN VOLTAGES OF IC'S

PIN SYMBOL DESCRIPTION
1 P3.1/ADC1 port 3.1 or ADC1 input
2 P3.2/ADC2 port 3.2 or ADC2 input
3 P3.3/ADC3 port 3.3 or ADC3 input
digital ground for m-Controller core
4 VSSC/P
and periphery
port 0.5 (8 mA current sinking
5 P0.5
capability for direct drive of LEDs)
port 0.6 (8 mA current sinking
capability for direct drive of LEDs) or
6 P0.6/CVBSTD Composite video input. A positive-
going 1V(peak-to-peak) input is
required
analog ground of Teletext decoder
7 VSSA
and digital ground of TV-processor
8 SECPLL SECAM PLL decoupling
2nd supply voltage TV-processor (+8
9 VP2
V)
supply voltage decoupling of digital
10 DECDIG
circuit of TV-processor
11 PH2LF phase-2 filter
12 PH1LF phase-1 filter
13 GND3 ground 3 for TV-processor
14 DECBG bandgap decoupling
15 EWD E-W drive output
16 VDRB vertical drive B output
17 VDRA vertical drive A output
18 IFIN1 IF input 1
19 IFIN2 IF input 2
20 IREF reference current input
21 VSC vertical sawtooth capacitor
22 AGCOUT tuner AGC output
23 SIFIN1 SIF input 1
24 SIFIN2 SIF input 2
25 GND2 ground 2 for TV processor
26 SNDPLL narrow band PLL filter
Automatic Volume Levelling /
AVL/REF0/SN
27 subcarrier reference output / sound IF
DIF
input
28 AUDIO2 audio 2 input
29 AUDIO3 audio 3 input
30 HOUT horizontal output
31 FBISO flyback input/sandcastle output
32 DECSDEM decoupling sound demodulator
QSS intercarrier output / AM output in
QSSO/AMOUT stereo applications or deemphasis
33
/ AUDEEM (front-end audio out) / AM output in
mono applications
34 EHTO EHT/overvoltage protection input
35 PLLIF IF-PLL loop filter
36 SIFAGC AGC sound IF
37 QSSO QSS output
IF video output / selected CVBS
38 IFVO/SVO
output
39 VP1 main supply voltage TV processor
40 CVBS1 internal CVBS input
(*) Stand-by values are given the parenthessis
NOTE: The function of pin 15, 27, 33 and 48 is dependent on the mode of operation (mono intercarrier mode / QSS IF amplifier) and is
controlled by some software control bits.
IC101(OM 8365)
TV signal processor-Teletext decoder with embedded m-Controller
V DC(*)
3,24(3,21)
3,24(3,21)
0(3,17)
0(0)
0(0)
3,2(0)
0(0)
2,54(0)
7,96(1,37)
4,89(0)
2,8(0)
3,84(0)
0(0)
3,91(0)
0,03(0,03)
0,58(0)
0,60(0)
1,81(0)
1,81(0)
3,77(0)
3,71(0)
2,08(0,8)
1,83(0)
1,83(0)
0(0)
1,58(0)
0,32(0,32)
3,61(0,02)
3,61(0,02)
0,37(0)
0,42(0)
2,36(0)
2,51(0,03)
1,93(0,34)
2,37(0)
2,17(0,3)
0(0,67)
2,95(0)
7,79(1,38)
3,71(0)
PIN SYMBOL DESCRIPTION
41 GND ground for TV processor
42 CVBS2 external CVBS2 input
43 GND ground for TV-processor
44 CVBS3/Y CVBS3/Y input
45 C chroma input
46 WHSTR white stretch capacitor
47 CVBSO CVBS output
AUDOUT audio output /AM audio output (volume
48
/AMOUT(1) controlled)
2nd IF video output signal (with or
49 IFVO2
without group delay correction)
50 INSSW2 2nd RGB / YUV insertion input
51 R2/VIN 2nd R input / V (R-Y) input / PR input
52 G2/YIN 2nd G input / Y input
53 B2/UIN 2nd B input / U (B-Y) input / PB input
54 BCLIN beam current limiter input
55 BLKIN black current input / V-guard input
56 RO Red output
57 GO Green output
58 BO Blue output
analog supply of Teletext decoder and
59 VDDA
digital supply of TV-processor (3.3 V)
60 VPE OTP Programming Voltage
61 VDDC digital supply to core (3.3 V)
62 OSCGND oscillator ground supply
63 XTALIN crystal oscillator input
64 XTALOUT crystal oscillator output
65 RESET reset
66 VDDP digital supply to periphery (+3.3 V)
67 P1.0/INT1 port 1.0 or external interrupt 1 input
68 P1.1/T0 port 1.1 or Counter/Timer 0 input
69 P1.2/INT0 port 1.2 or external interrupt 0 input
70 P1.3/T1 port 1.3 or Counter/Timer 1 input
71 P1.6/SCL port 1.6 or I2C-bus clock line
72 P1.7/SDA port 1.7 or I2C-bus data line
73 P2.0/TPWM port 2.0 or Tuning PWM output
74 P2.1/PWM0 port 2.1
75 P2.2/PWM1 port 2.2
76 P2.3/PWM2 port 2.3
77 P2.4/PWM3 port 2.4
78 P2.5/PWM4 port 2.5
SYNC_FILT CVBS (i.e. P0.6/CVBS) Sync filter input:
79
ER This pin should be connected to VSSA
80 P3.0/ADC0 port 3.0 or ADC0 input
- 23 -
.
V DC(*)
0(0)
3,26(0,2)
0(0)
3,26(0,06)
1,45(0,23)
3,38(0)
2,87(0,86)
3,21(0,01)
2,86(0,01)
0,08(0,03)
2,20(0)
2(0)
2,20(0)
3,81(0)
5,31(0,01)
3,34(0,01)
3,42(0,01)
3,49(0,01)
3,23(0,01)
0(3,27)
3,26(0)
0,03(3,27)
1,59(1,59)
1,67(1,67)
0(0)
3,24(3,21)
3,24(3,21)
3,24(3,21)
4,93(4,95)
0(3,18)
4,71(4,96)
4,64(4,96)
4,98(0)
0(2,47)
3,22(2,93)
0,03(0,06)
0(0)
3,24(3,18)
0,06(0,06)
3,24(3,21)