Spi Data Formats - Master Mode; Table 74: Cgms-A Spi Slave Mode Output Format; Table 75: Cgms-B Spi Slave Mode Output Format; Table 76: Format Of Ancillary Packets - Analog Devices ADV7850 Hardware Manual

SPI Data Formats – Master Mode
10.7.2
In master mode, the ADV7850 outputs the data according to the ancillary data packet format. The format for ancillary data packets is
shown in Table 76 (considering 8-bit (byte) ancillary data only).
Ancillary Data Preamble
Data ID (DID)
Secondary DID (SDID)
Data Count (DC)
ID0 – user data word 0
ID1 – user data word 1
ID2 – user data word 2
ID3 – user data word 3
User Data Word 4
:
:
Rev. A May 2012

Table 74: CGMS-A SPI Slave Mode Output Format

Byte No. Contents
0 0x00
1 0x08
2 0xY4
3 0x00
4 0x00
5 0x00
6 xx
7 xx
8 xx
9 0x0D

Table 75: CGMS-B SPI Slave Mode Output Format

Byte No. Contents
0 0x00
1 0x15
2 0xY8
3 0x00
4 0x00
5 0x00
6 xx
xx
xx
23 0x0D

Table 76: Format of Ancillary Packets

D7
0
1
����
��6 1
����
��6
����
��6
����
��6
����
��6
����
��6
����
��6
VBI Word 1[7:0]
:
:
Description
Dummy byte
Number of bytes in this block (=8)
VBI standard and field information
Framing Code
Framing Code
Framing Code
VBI Data 3
VBI Data 2
VBI Data 1
No more data in FIFO
Description
Dummy byte
Number of bytes in this block (=21)
VBI standard and field information
Framing Code
Framing Code
Framing Code
VBI Data 16
VBI Data 2
VBI Data 1
No more data in FIFO
D6 D5 D4 D3
0 0 0 0
1 1 1 1
1 1 1 1
Even
- DID[4:0]
parity
Even
SDID[5:0]
parity
Even
0 Data Count[4:0]
parity
Even
1 0 VBI Data Standard[3:0]
parity
Even
LCount[11:6]
parity
Even
LCount[5:0]
parity
Even
0 0 0
parity
324
D2 D1 D0
0 0 0
1 1 1
1 1 1
VDP
EF
Type[1:0]
ADV7850