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CPP100
SECTION 6
CPP1OPS
25/10/06
www.snellwilcox.com
Version 1 Issue 6
6.23
Overall Packet structure
Data Item
b9 msb
b8
b7
b6
b5
b4
b3
b2
b1
b0 lsb
Ancillary Header Word 1
0
0
0
0
0
0
0
0
0
0
Ancillary Header Word 2
1
1
1
1
1
1
1
1
1
1
Ancillary Header Word 3
1
1
1
1
1
1
1
1
1
1
Data ID
~b8
parity
C0h
to
DF
Block Number
1
0
0
0
0
0
0
0
0
0
Data Count
0
1
0
0
0
1
0
0
0
0
UDW 1
~b8
parity
Film
group
1
0
0
UDW 2
~b8
parity
Film
group
2
0
0
UDW 3
~b8
parity
Noise
Floor
0
0
UDW 4
~b8
parity
Status
0
0
UDW 5
~b8
parity
0
0
UDW 6
~b8
parity
0
0
UDW 7
~b8
parity
0
0
UDW 8
~b8
parity
0
0
UDW 9
1
0
0
0
0
0
0
0
0
0
Reserved
1
0
0
0
0
0
0
0
0
0
Reserved
1
0
0
0
0
0
0
0
0
0
Reserved
1
0
0
0
0
0
0
0
0
0
Reserved
1
0
0
0
0
0
0
0
0
0
Reserved
1
0
0
0
0
0
0
0
0
0
Reserved
1
0
0
0
0
0
0
0
0
0
Reserved
1
0
0
0
0
0
0
0
0
0
Checksum
~S8
S8
S7
S6
S5
S4
S3
S2
S1
S0
Note. In 8-bit applications, which have restricted DID values, C/SUM bits S0 and S1 will be zero.