Ntsc pal video decoder circuit, Uses the adv7180 multi-format sdtv video decoder, One 10-bit adc, 4x over-sampling for cvbs – Altera LCD Multimedia HSMC User Manual
Page 33: Supports composite video (cvbs) rca jack input, Hc_td_hs, Td_hs

2–25
Altera Corporation
LCD Multimedia HSMC
August 2008
Interfaces/ Connectors
shows the Video Decoder interface schematic.
Figure 2–14. Video Decoder Interface Schematic
NTSC PAL Video Decoder Circuit
Uses the ADV7180 Multi-format SDTV Video Decoder
■
Supports worldwide NTSC/PAL/SECAM color demodulation
■
One 10-bit ADC, 4X over-sampling for CVBS
■
Supports Composite Video (CVBS) RCA jack input
■
Supports digital output formats: 8-bit ITU-R BT.656 YCrCb 4:2:2
HC_TD_HS
86
H13
T11
TD_HS
39
Video Decoder H_SYNC
Notes:
(1)
These signals do not go through the MAX II chip. They pass through the MAX3378 level translator chip, U10.
Table 2–18. Video Decoder Pinout with HSMC Connector
HSMC Connector
MAX II
Video Decoder
Signal Name
Pin
No.
HSMC
Connector
Side Pin
Device
Side Pin
Signal Name
Pin
No.
Description
28MHz
28MHz
CVBS1_IN
TD_D0
TD_D1
TD_D2
TD_D3
TD_D4
TD_D5
TD_D6
TD_D7
TD_D[0..7]
27MHZ
TD_HS
TD_VS
I2C_SDAT
I2C_SCLK
TD_RESET
VCC33
V_AGND
AV_VCC18
VCC18
VCC33
PV_VCC18
V_AGND
VCC33
I2C ADDRESS IS 0x40
R64
36
R64
36
R67
120
R67
120
RN2
47
RN2
47
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
C47
10N
C47
10N
BC38
0.1U
BC38
0.1U
U8
ADV7180
U8
ADV7180
HS
39
DG
ND
3
XTAL1
12
XTAL
13
DV
DD
14
DG
ND
35
P1
16
P0
17
P4
8
P3
9
P2
10
LLC
11
P5
7
P6
6
P7
5
INTRQ
38
DV
DDI
O
1
DV
DDI
O
4
DG
ND
15
SFL
2
PWRDWN
18
PV
D
D
20
AG
N
D
21
DG
ND
40
AIN1
23
AIN2
29
AG
N
D
24
TEST_0
22
VREFP
25
AV
D
D
27
AG
N
D
28
VREFN
26
AIN3
30
RESET
31
ALSB
32
SDATA
33
SCLK
34
DV
DD
36
VS/FIELD
37
ELPF
19
E
XPO
SE
D
41
R63
1.74K
R63
1.74K
J11
RCA JACK
J11
RCA JACK
R65
39
R65
39
C49
0.1U
C49
0.1U
C50
0.1U
C50
0.1U
C48
0.1U
C48
0.1U
C51
0.1U
C51
0.1U
Y3
28.63636MHz
Y3
28.63636MHz
VCC
4
OUT
3
GND
2
EN
1
R66
120
R66
120
C52
0.1U
C52
0.1U