SAA7114HV2 NXP Semiconductors, SAA7114HV2 Datasheet - Page 60
SAA7114HV2
Manufacturer Part Number
SAA7114HV2
Description
Manufacturer
NXP Semiconductors
Datasheet
1.SAA7114HV2.pdf
(144 pages)
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Table 20:
[1]
[2]
[3]
Name
SAV
SDID
DC
IDI1
IDI2
D
D
CS
BC
EAV
Fig 33. Sliced data formats on the I port in 8-bit mode
n_m
DC_4
Inverted EP (bit D7); for EP see
Even parity (bit D6) of bits D5 to D0.
Odd parity (bit D7) of bits D6 to D0.
...
ANC header active for DID (subaddress 5Dh) < 3Eh
Explanation to
FF
Explanation
start of active data; see
sliced data identification: NEP
identifier
Dword count: NEP
It should be noted that the number of valid bytes inside the stream can be seen in the BC byte.
internal data identification 1: OP
internal data identification 2: OP
Dword number n, byte number m
last Dword byte 4; remark: for SAV/EAV framing DC is fixed to 0Bh, missing data bytes are filled up; the fill value is A0h
the check sum byte, the check sum is accumulated from the SAV (respectively DID) byte to the D
number of valid sliced bytes counted from the IDI1 byte
end of active data; see
end of raw VBI line
...
For SAV/EAV mode DC is fixed to 11 Dwords (byte value 4Bh)
For ANC mode it is: DC =
the chosen text standard
invalid data
00
or
00
00
EAV
00
Figure 33
[1]
timing reference code
FF
ANC header
00
Table note
, EP
Table 21
Table 21
FF
00
[2]
, DC5 to DC0. DC describes the number of succeeding 32-bit words:
1
FF
00
2.
4
[1]
(C + n), where C = 2 (the two data identification bytes IDI1 and IDI2) and n = number of decoded bytes according to
, EP
[3]
[3]
SAV SDID DC
DID SDID DC
, FID (field 1 = 0, field 2 = 1), LineNumber8 to LineNumber3 = Dword 1 byte 1; see
, LineNumber2 to LineNumber0, DataType3 to DataType0 = Dword 1 byte 2; see
[2]
, SDID5 to SDID0, freely programmable via I
internal header
internal header
D
IDI1 IDI2 D
IDI1 IDI2 D
1_1
D
1_2
sliced data
sliced data
1_3
1_3
D
D
1_4 D2_1
1_4
...
D
DC_3
and filling data
...
D
DC_4
D
2
DC_3
C-bus subaddress 5Eh, D5 to D0, e.g. to be used as source
CS
D
BC
DC_4
00
ANC data output is only filled up
to the Dword boundary
CS
DC_4
00
BC
byte
timing reference code
FF
...
00
Table 21
00
Table 21
EAV
invalid data
00
00
mhb549
...
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