EVAL-ADV7180LFEBZ Analog Devices Inc, EVAL-ADV7180LFEBZ Datasheet - Page 63
EVAL-ADV7180LFEBZ
Manufacturer Part Number
EVAL-ADV7180LFEBZ
Description
BOARD EVAL FOR ADV7180 LFCSP
Manufacturer
Analog Devices Inc
Specifications of EVAL-ADV7180LFEBZ
Main Purpose
Video, SDTV Video Decoder - NTSC, PAL, SECAM
Embedded
No
Utilized Ic / Part
ADV7180
Primary Attributes
CVBS (Composite), Y/C (S-video), and YPrPb (Component) Inputs
Secondary Attributes
8-bit ITU-R BT.656 YCrCb 4:2:2 Output
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
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Part Number:
EVAL-ADV7180LFEBZ
Manufacturer:
Analog Devices Inc
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CCAP
Two bytes of decoded closed caption data are available in the
I
can be obtained from the CC_EVEN_FIELD bit (Register 0x78).
CC_CLEAR, Closed Caption Clear, Address 0x78[0],
User Sub Map, Write Only, Self-Clearing
Setting CC_CLEAR to 1 reinitializes the CCAP readback
registers.
CC_AVL, Closed Caption Available, Address 0x78[0],
User Sub Map, Read Only
When CC_AVL is 0, closed captioning was not detected.
When CC_AVL is 1, closed captioning was detected.
Table 82. CCAP Readback Registers
Signal Name
CCAP_BYTE_1[7:0]
CCAP_BYTE_2[7:0]
1
2
These registers are readback registers; default value does not apply.
C registers. The field information of the decoded CCAP data
50 IRE
40 IRE
FREQUENCY = f
REFERENCE COLOR BURST
AMPLITUDE = 40 IRE
1
10.5 ± 0.25µs
10.003µs
(9 CYCLES)
Figure 48. CCAP Waveform and Decoded Data Correlation
SC
27.382µs
= 3.579545MHz
Rev. F | Page 63 of 116
(CLOCK RUN-IN)
OF 0.5035MHz
Register Location
VDP_CCAP_DATA_0[7:0]
VDP_CCAP_DATA_1[7:0]
12.91µs
7 CYCLES
CC_EVEN_FIELD, Address 0x78[1], User Sub Map,
Read Only
Identifies the field from which the CCAP data was decoded.
When CC_EVEN_FIELD is 0, closed captioning was detected
from an odd field.
When CC_EVEN_FIELD is 1, closed captioning was detected
from an even field.
VDP_CCAP_DATA_0, Address 0x79[7:0], User Sub Map,
Read Only
Decoded Byte 1 of CCAP data.
VDP_CCAP_DATA_1, Address 0x7A[7:0], User Sub Map,
Read Only
Decoded Byte 2 of CCAP data.
S
T
A
R
T
0
VDP_CCAP_D ATA_0
1
2 3 4 5 6 7 0 1 2 3 4 5 6 7
33.764µs
P
A
R
Y
T
I
VDP_CCAP_D ATA_1
121
122
Address (User Sub Map)
P
A
R
T
Y
I
0x79
0x7A
ADV7180
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