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FlexRay Module (FLEXRAYV2)
MFR4300 Data Sheet, Rev. 3
94
Freescale Semiconductor
3.3.2.23
Macrotick Counter Register (MTCTR)
This register provides the macrotick count of the current communication cycle.
3.3.2.24
Cycle Counter Register (CYCTR)
This register provides the number of the current communication cycle.
1
ASEA
Aggregated Syntax Error on Channel A
— This flag is set when a syntax error has been detected on channel
A. Syntax errors are detected in the communication slots, the symbol window, and the NIT.
0 No syntax error detected
1 Syntax errors detected
Aggregated Valid Frame on Channel A
— This flag is set when a syntactically correct valid frame has been
received in any static or dynamic slot through channel A.
0 No syntactically valid frames received
1 At least one syntactically valid frame received
0
AVFA
0x0030
15
0
14
0
13
12
11
10
9
8
7
6
5
4
3
2
1
0
R
W
MTCT
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Figure 3-22. Macrotick Counter Register (MTCTR)
Table 3-29. MTCTR Field Descriptions
Field
Description
13–0
MTCT
Macrotick Counter
— protocol related variable:
vMacrotick
This field provides the macrotick count of the current communication cycle.
0x0032
15
0
14
0
13
0
12
0
11
0
10
0
9
0
8
0
7
0
6
0
5
4
3
CYCCNT
2
1
0
R
W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Figure 3-23. Cycle Counter Register (CYCTR)
Table 3-30. CYCTR Field Descriptions
Field
Description
5–0
CYCCNT
Cycle Counter
— protocol related variable:
vCycleCounter
This field provides the number of the current communication cycle. If the counter reaches the maximum value of
63, the counter wraps and starts from zero again.
Table 3-28. PSR3 Field Descriptions (Sheet 2 of 2)
Field
Description