(No.YA447)1-5
2.4
TECHNINAL INFORMATION
2.4.1 MAIN MI-COM (CPU) PIN FUNCTION
Pin
No.
Pin name
I/O
Function
Pin
No.
Pin name
I/O
Function
1
VssP2
-
GND
65 SVM
O Not used
2
VssC4
-
GND
66 FbiSo
I
Flyback input/sandcastle output
3
V1.8C4
I
1.8V (Digital)
67 Hout
O Horizontal output
4
V3.3A3
I
3.3V 68 VssComb
-
GND
5
VrefP_Sdac
I
3.3V (Positive)
69 V5Comb
I
5V
6
VrefN_Sdac
-
GND
70 Vin/R2/Pr
I
PIP R input
7
VrefP_Sdac
I
3.3V (Negative)
71 Uin/B2/Pb
I
PIP B input
8
VrefN_Sdac
-
GND
72 Yin/G2/Y
I
PIP G input
9
VrefP_Sdac
I
3.3V (Positive)
73 Ysync
I
Not used
10 XtalIn
I
24.576MHz for system clock
74 Yout
O Not used
11 XtalOut
O 24.576MHz for system clock
75 Uout/INSSW2
I
YUV insertion input
12 VssA1
-
GND
76 NC
O Not used
13 NECK
I
V-guard input/ I/O switch
77 INSSW3
I
YUV insertion input
14 CONT
I
1.8V regulator control
78 R3/Pr
I
Component PR input (Video-2)
15 V5P1
I
+5V
79 G3/Y
I
Component Y input (Video-2)
16 Ph2
-
Phase-2 filter
80 B3/Pb
I
Component PB input (Video-2)
17 Ph1
-
Phase-1 filter
81 Gnd3
-
GND
18 Gnd1
-
GND
82 V5P3
I
5V
19 SecPll
-
SECAM PLL decoupling
83 BCL
I
Beam current limiter input
20 Dec8G
-
Bandgap decoupling
84 BLKIN
I
Black current input
21 EW
O East-West drive output
85 Rout
O R output
22 VDRB-
O Vertical drive B output
86 Gout
O G output
23 VDRA+
O Vertical drive A output
87 Bout
O B output
24 Vif1
I
Video IF input 1
88 V3.3A1
I
3.3V
25 Vif2
I
Video IF input 2
89 RefAdN
-
GND
26 Vsc
-
Vertical sawtooth capacitor
90 V3.3RefAdP
I
3.3V (Positive)
27 Iref
I
Reference current input
91 RefAd
I
3.3/2V
28 GndIF
-
GND
92 GndA
-
GND
29 Sif1
I
Sound IF input 1
93 V1.8A
I
1.8V
30 Sif2
I
Sound IF input 2
94 V3.3A2
I
3.3V
31 AGC
O Tuner AGC output
95 VssADC
-
GND
32 EHT
I
EHT/overvoltage protection input
96 V1.8ADC
I
1.8V
33 Ssif/RefIn/Avl/
RefOut
O Automatic Volume Levelling/ sound IF input / subcar-
rier reference output / external reference signal input
for I signalmixer for DVB operation
97 REMOTE
I
Remote control
34 L3
I
Audio-L3 input (left signal)
98 PW_LED
I
POWER LED control
35 R3
I
Audio-R3 input (right signal)
99 PW_LED
I
POWER LED control
36 L-OUT
O Audio L output
100 V1.8C2
I
1.8V
37 R-OUT
O Audio R output
101 VssC2
-
GND
38 DecsDem
-
Decoupling sound demodulator
102 TIMER
-
Not used
39 QssO/AmO/
AudeEm
O QSS intercarrier output / AM output / deemphasis /
(front-end audio out)
103 TIMER
-
Not used
40 Gnd2
-
GND 104 VER_PROTECT
O X-ray
protect
41 PllIf
-
IF-PLL loop filter
105 S_REDUCE
O Sound control
42 SifAgc
-
AGC sound IF
106 P00/I2SDI1
O Not used
43 IfVo/FmRo/DvbO
O Not used
107 POWER
O SUB POWER control
44 NC
O Not used
108 SCL1
I
I2C bus clock
45 V8AudioSwitches
I
8V
109 SDA1
I/O I2C bus data
46 AgcSsif
-
AGC capacitor second sound IF
110 V3.3P
I
3.3V
47 V5P2
I
5V
111 ROTATION
O Rotation
48 V-OUT
O Video output
112 3.58/OTHER
O NTSC 3.58 detection
49 L1
I
Audio-L1 input
113 A_MUTE
O Audio muting
50 R1
I
Audio-R1 input
114 4.5/OTHER
O NTSC 4.43 detection
51 V3
I
Video V3 input
115 PROT
I
Protect
52 C4
I
Not used
116 ECO_IN
I
ECO sensor level detection
53 Audio2InL
I
Not used
117 V1.8C1
I
1.8V (Digital)
54 Audio2InR
I
Not used
118 DecV1V8
I
1.8V
55 V2/Y
I
Video V2 input
119 KEY_IN
I
Key scan data
56 L2
I
Audio L2 input (Left signal)
120 VDO-DET
I
Video DET input
57 R2
I
Audio R2 input (right signal)
121 VSSC1+P1
-
Digital GND
58 Y3/Cvbs
I
S-Video Y1 input
122 S_V_DET
I
S-Video DET input
59 C1
I
S-Video C1 input
123 P25/PWM4
O GTVA_reset
60 AudioLsL
O Audio L output for audio power amplifier
124 V1.8C3
I
1.8V (Digital)
61 AudioLsR
O Audio R output for audio power amplifier
125 VssC3
-
GND
62 HP-L
O Not used
126 P12/Int2
I
External interrupt
63 HP-R
O Not used
127 SDA0
I/O I2C bus data (for memory)
64 CVBSO/PIP
O CVBS / PIP output
128 SCL0
I
I2C bus clock (for memory)
Summary of Contents for AV-2986ME
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