DATA and SETup Commands

Data Preamble Description

Byte Position

374 bytes - List of pods in this analyzer, where a binary 1 indicates that the corresponding pod is assigned to this analyzer

bit 31

bit 30

bit 29

bit 28

bit 27

bit 26

bit 25

bit 24

unused

unused

unused

unused

unused

unused

unused

unused

bit 23

bit 22

bit 21

bit 20

bit 19

bit 18

bit 17

bit 16

 

 

 

 

 

 

 

 

unused

unused

clkpd1

unused

unused

unused

unused

unused

bit 15

bit 14

bit 13

bit 12

bit 11

bit 10

bit 9

bit 8

 

 

 

 

 

 

 

 

unused

unused

unused

Pod 12

Pod 11

Pod 10

Pod 9

Pod 8

bit 7

bit 6

bit 5

bit 4

bit 3

bit 2

bit 1

bit 0

 

 

 

 

 

 

 

 

Pod 7

Pod 6

Pod 5

Pod 4

Pod 3

Pod 2

Pod 1

unused

Example

41

45

49

53

Example

xxxxxxxx xx1x xxxx xxx0 0000 0001 111x indicates that data pods 1 through 4 and clock pod 1 are assigned to this analyzer (x = unused).

4 bytes - Master chip for this analyzer.

4 bytes - Maximum hardware memory depth available for this analyzer. 4 bytes - Unused.

8 bytes - Sample period in picoseconds (timing only).

The following 64 bits represent a sample period of 8,000 picoseconds (8 nanoseconds):

00000000 00000000 00000000 00000000 00000000 00000000 00011111 01000000

17–8