
Publication 1746-UM002B-EN-P - August 2004
Module Operation 2-15
Class 1 Operation
In this operating class, the input data consists of eight words. The
counters are sixteen bits. The data stored in an input word change
based on the module’s operating mode.
Figure 2.10 Mode 1 Input Data Format
Figure 2.11 Mode 2 Input Data Format
Figure 2.12 Mode 3 Input Data Format
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Word 0
ACK
MFLT
PERR
DEBUG
FB1
0OP
MODE
Output State
Virtual Real
Word 1 Counter 2 Status Counter 1 Status
Word 2 Counter 1: Count Value
Word 3 Counter 1: Rate Value
Word 4
Counter 1: Capture Value
(1)
(1) See page 2-6 for a description of capture values.
Word 5 Counter 2: Count Value
Word 6 Counter 2: Rate Value
Word 7
Counter 2: Capture Value
(1)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Word 0
ACK
MFLT
PERR
DEBUG
FB1
0OP
MODE
Output State
Virtual Real
Word 1 Counter 2: Status Counter 1: Status
Word 2 Counter 1: Count Value
Word 3 Counter 1: Rate Value
Word 4
Counter 1: Capture Value
(1)
(1) See page 2-6 for a description of capture values.
Word 5 Counter 2: Count or Rate Value
Word 6
0 0 0 0 0 0 0 0 Counter 3: Status
Word 7 Counter 3: Count or Rate Value
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
Word 0
ACK
MFLT
PERR
DEBUG
FB1
0OP
MODE
Output State
Virtual Real
Word 1 Counter 2 Status Counter 1 Status
Word 2 Counter 1: Count or Rate Value
Word 3 Counter 2: Count or Rate Value
Word 4 Counter 4: Status Counter 3: Status
Word 5 Counter 3: Count or Rate Value
Word 6 Counter 4: Count or Rate Value
Word 7
Not Used. Set equal to 0000H
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