Table 4: V_Freq[2:0] Description - Analog Devices Advantiv ADV7604 Hardware Manual

PRIM_MODE[3:0]
Code Description
1111 Reserved
V_FREQ[2:0], IO Map, Address 0x01, [6:4]
These bits are used when the decoder is required to support HD standards with a refresh rate below
60 Hz. The SMPTE 274, (1080p) systems 3, 6, 7, 8, 9, 10, and 11 are all supported. These are the
50 Hz, 30 Hz, and 25 Hz standards listed within the SMPTE 274 standard. These bits can also be
used to support SMPTE 296 (720p), systems 3, 4, and 5. These are the 50 Hz and 30 Hz standards
listed within the SMPTE 296 standard.
These bits should be used when
Function
V_FREQ[2:0]
000
Mode
Vertical
V_FREQ[2:0]
Frequency ↓ (Hz)
000
001
010
011
100
101
110
111
Rev. F August 2010
Processor Code
xxxxxx Reserved
PRIM_MODE[3:0]
Description
Default value supports 60 Hz high definition modes listed in

Table 4: V_FREQ[2:0] Description

720p 1035i
1x1 1x1
60 SM296 BT709-1
-1,2
50 SM296
-3
30 SM296
-4,5
25 -
24 -
VID_STD[5:0]
Input Video Output
Resolution
Reserved
is set to 0b0001.
1080i 1250i
1x1 1x1
SM274 SM295 -
2
-4,5
- SM274 -
-6
- - -
- - -
- - -
Reserved
Reserved
Reserved
53
Comment
1250i 1080p 1250p
1x1 1x1 1x1
BT709 - SM274- SM295-1
2 1,2
- SM274-
3
SM274-
-
7,8
- SM274-
9
- SM274-
10, 11
ADV7604
Table 4
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