FlexRay Communication Controller (FLEXRAY)
MPC5510 Microcontroller Family Reference Manual, Rev. 1
30-90
Freescale Semiconductor
Preliminary
The meaning of the bits in the slot status structure is explained in
.
Figure 30-105. Receive Message Buffer Slot Status Structure (ChAB)
Figure 30-106. Receive Message Buffer Slot Status Structure (ChA)
Figure 30-107. Receive Message Buffer Slot Status Structure (ChB)
Table 30-84. Receive Message Buffer Slot Status Content
Receive Message Buffer Type
Slot Status Content
Individual Receive Message Buffer assigned to both channels
MBCCSRn.CHA=1 and MBCCSRn.CHB=1
see
Individual Receive Message Buffer assigned to channel A
MBCCSRn.CHA=1 and MBCCSRn.CHB=0
see
Individual Receive Message Buffer assigned to channel B
MBCCSRn.CHA=0 and MBCCSRn.CHB=1
see
Receive FIFO Channel A Message Buffer
see
Receive FIFO Channel B Message Buffer
see
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R VFB
SYB
NFB
SUB
SEB
CEB
BVB
CH
VFA
SYA
NFA
SUA
SEA
CEA
BVA
0
Reset
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R
0
0
0
0
0
0
0
0
VFA
SYA
NFA
SUA
SEA
CEA
BVA
0
Reset
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R VFB
SYB
NFB
SUB
SEB
CEB
BVB
1
0
0
0
0
0
0
0
0
Reset
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Table 30-85. Receive Message Buffer Slot Status Field Descriptions
Field
Description
Common Message Buffer Status Bits
VFB
Valid Frame on Channel B. Protocol related variable:
vSS!ValidFrame
channel B
0
vSS!ValidFrame
= 0
1
vSS!ValidFrame
= 1
SYB
Sync Frame Indicator Channel B. Protocol related variable:
vRF!Header!SyFIndicator
channel B
0
vRF!Header!SyFIndicator
= 0
1
vRF!Header!SyFIndicator
= 1
NFB
Null Frame Indicator Channel B. Protocol related variable:
vRF!Header!NFIndicator
channel B
0
vRF!Header!NFIndicator
= 0
1
vRF!Header!NFIndicator
= 1
SUB
Startup Frame Indicator Channel B. Protocol related variable:
vRF!Header!SuFIndicator
channel B
0
vRF!Header!SuFIndicator
= 0
1
vRF!Header!SuFIndicator
= 1