Circuit Descriptions
7.
7.4.11 Demodulator
The MT5135AE provides a high performance DVB-T and
DVB-C demodulation function, the integrated CI+ controller
and interface also reduce the complexity of TS routing.
Overall Features:
•
Integrated DVB-T and DVB-C demodulators.
•
Integrated CI/CI+ controller and interface.
•
On-chip integrated SAW filter function.
•
10-Bit ADC accepting IF or low-IF inputs.
•
RSSI measurement.
•
Independent RF and IF AGC controls.
•
One parallel or serial TS interface accepting output.
Figure 7-14 Demodulator
7.4.12 Tuner
The tuner covers all bands in VHF and UHF, it includes digital
terrestrial (DVB-C, DVB-C), analogue (PAL, Secam), I
2
C bus
control of tuner, address selection, broadcasting system
selection.
19090_218_110422.eps
110422
M_CI_OUTDATA4
M_CI_INDATA6
M_CI_OUTDATA2
CI_V
S
1#
CI_WE#
RF_AGC_T
CI_D4
M_CI_INCLK
RSSI
CI_A11
M_CI_OUTDATA3
M_CI_OUTDATA1
M_CI_INDATA0
M_CI_O
UTDATA6
M_CI_INDATA4
DEMOD_TSCLK
DEMOD_TSVAL
DEMOD_TSSYNC
DEMOD_TSDATA0
SPI_DATA
SPI_CLK
SPI_CLE
CI_A3
CI_D3
CI_A10
M_CI_INDATA2
M_CI_OUTDATA0
TUNER_CLK
TUNER_DATA
CI_CD1#
CI_A4
CI_A0
CI_O
E#
CI_PWR_EN
CI_WAIT#
CI_A
8
M_CI_OUTSYNC
CI_D6
CI_IREQ
#
M_CI_OUTCLK
CI_CE1#
CI_A14
CI_A5
CI_A1
CI_IO
WR#
CI_RESET
M
CI_INT
CI_A6
CI_CD2#
M_CI_IN
S
YNC
M_CI_O
UTDATA5
DE
MO
D_R
S
T
TN
TP
XT
ALI
XT
ALO
M_CI_OUTVALID
M_CI_INDATA1
M_CI_O
UTDATA7
M_CI_INDATA5
CI_A7
CI_D2
M_CI_INDATA
3
MT5135AD-
CI_A2
M_CI_INDATA7
CI_D1
PAD_CHIP_CTRL
CI_REG#
CI_A9
CI_IO
RD#
CI_A12
CI_D5
CI_D0
CI_PWR_EN
CI_A1
3
CI_D7
M_CI_INVALID
CI_O
CP
DEMOD_RST
5135_AV12
5135_DV10
5135_DV33
AVDD33_4
51
3
5_DV
33
51
3
5_DV
33
51
3
5_DV10
AVDD
33
_
3
AVDD
33
_2
51
3
5_DV
33
5135_DV33
5135_DV33
AVDD33_3
AVDD
33
_1
51
3
5_AV12
51
3
5_DV10
5135_DV10
5135_DV33
SMD/0402
SMD/0402
SMD/0402
SMD/0402
R1316
0R05 1/16W
R1316
0R05 1/16W
R1
3
15
47R 1/16W 5
%
R1
3
15
47R 1/16W 5
%
R1324
10M 1/10W +/-5%
R1324
10M 1/10W +/-5%
C1332
NC/100N 16V
C1332
NC/100N 16V
R1309
4K7 1/16W 5%
R1309
4K7 1/16W 5%
R1325
7.5M
R1325
7.5M
R1
3
49
10K 1/16W 5
%
R1
3
49
10K 1/16W 5
%
RP1
3
00
47 O
H
M 1/16W 5
%
RP1
3
00
47 O
H
M 1/16W 5
%
1
2
3
4
8
7
6
5
C1305
10pF 50V
C1305
10pF 50V
R1304
NC/0R05 1/16W
R1304
NC/0R05 1/16W
U103
MT5135AE
U103
MT5135AE
PAD_
S
PI_CLE
1
PAD_
S
PI_DAT
A
2
PAD_
S
PI_CLK
3
PAD_PVR_T
S
_DAT
A1
4
PAD_PVR_T
S
_DAT
A0(
T
S
_ERR)
5
PAD_PVR_T
S
_
S
YNC(T
S
_DATA7)
6
PAD_PVR_T
S
_VAL(T
S
_DATA6)
7
PAD_PVR_T
S
_CLK(
T
S
_DAT
A5)
8
PAD_CI_T
S
_DAT
A0(
T
S
_DAT
A4)
9
PAD_CI_T
S
_
S
YNC(T
S
_DAT
A
3
)
10
PAD_CI_T
S
_VAL(
T
S
_DATA2)
11
PAD_CI_T
S
_CLK(
T
S
_DATA1)
12
DG
ND
33
1
3
DV
DD
33
14
PAD_DEMOD_T
S
_DATA0(
T
S
_DAT
A0)
15
PAD_DEMOD_T
S
_
S
YNC(
T
S
_
S
YN
C
)
16
PAD_DEMOD_T
S
_VAL(
T
S
_VAL)
17
PAD_DEMOD_T
S
_CLK(
T
S
_CLK)
1
8
PAD_MT51
3
5_R
S
T
19
DV
DD10
20
AVDD12_PLL
21
AVDD
33
_R
SS
I
22
P
A
D_A
DIN0
2
3
AV
SS33
_R
SS
I
24
PAD_TN
25
PAD_TP
26
AVDD
33
_DEMO
D
_
3
27
AV
SS33
_DEMO
D_
3
2
8
PAD_XTALI
29
AV
SS33
_XT
AL
3
0
PAD_XTALO
3
1
AVDD
33
_XTAL
3
2
PAD_TUNER_DATA
41
PAD_TUNER_CLK
42
PAD_IF_AGC
43
PAD_RF_AGC
44
PAD_S2_TS_CLK
45
PPAD_S2_TS_SYNC
46
AD_S2_TS_VAL
47
PAD_S2_TS_DATA0
48
DGND33
49
DVDD33
50
PAD_S2_TS_DATA1
51
PAD_S2_TS_DATA2
52
PAD_S2_TS_DATA3
53
PAD_S2_TS_DATA4
54
PAD_S2_TS_DATA5
55
PAD_S2_TS_DATA6
56
PAD_S2_TS_DATA7
57
PAD_CHIP_CTRL
58
PAD_CD1_
59
PAD_D3
60
PAD_D11
61
PAD_D4
62
PAD_D12
63
PAD_D5
64
PAD_D1
3
65
PAD_D6
66
PAD_D14
67
PAD_D7
6
8
PAD_D15
69
PAD_CE1_
70
DV
DD
33
71
DG
ND
33
72
PAD_A10
7
3
PAD_V
S
1_
74
PAD
_OE_
75
PAD_IORD_
76
PAD_A11
77
PAD_IOWR_
7
8
PAD_A9
79
PAD_A17
8
0
PAD_A
8
8
1
DG
ND10
8
2
DV
DD10
83
PAD_A1
8
8
4
PAD_A1
3
8
5
PAD_A19
8
6
PAD_A14
8
7
PAD_A20
88
DV
DD
33
8
9
DG
ND
33
90
PAD_WE_
91
PAD_A21
92
PAD_READY
9
3
PAD_A22
94
PAD_A16
95
PAD_A2
3
96
PAD_A15
97
PAD_A24
98
PAD_A12
99
PAD_A25
100
PAD_A7
101
PAD_VS2_
102
PAD_A6
103
PAD_PCMCIA_RESET
104
DVDD10
113
PAD_A2
114
PAD_BVD2
115
PAD_A1
116
PAD_BVD1
117
PAD_A0
118
PAD_D8
119
PAD_D0
120
PAD_D9
121
PAD_D1
122
PAD_D10
123
PAD_D2
124
PAD_CD2_
125
PAD_CI_INT
126
DGND33
127
DVDD33
128
PAD_EXT_CLKSEL
33
AVSS12_DEMOD_3
34
PAD_IFPGA_INN
35
PAD_IFPGA_INP
36
AVDD12_DEMOD
37
AVDD33_IFPGA
38
AVSS10_5
39
DVDD10
40
PAD_A5
105
PAD_WAIT_
106
PAD_A4
107
PAD_A3
108
DGND33
109
DVDD33
110
PAD_REG_
111
DGND10
112
R1305
4K7 1/16W 5%
R1305
4K7 1/16W 5%
TP
1
3
00
TP
1
3
00
R1311
NC/4K7 1/16W 5%
R1311
NC/4K7 1/16W 5%