mfr4300 Freescale Semiconductor, Inc, mfr4300 Datasheet - Page 146

• Manufacturer Part Number: mfr4300
• Description: Flexray Communication Controllers
• Manufacturer: Freescale Semiconductor, Inc

FlexRay Module (FLEXRAYV2)
The meaning of the bits in the slot status structure is explained in
146
Reset
Reset
Reset
Field
VFB
SYB
NFB
SUB
R VFB
R
R VFB
15
14
13
12
15
15
15
–
0
–
–
Valid Frame on Channel B — protocol related variable:
0
1
Sync Frame Indicator Channel B — protocol related variable:
0
1
Null Frame Indicator Channel B — protocol related variable:
0
1
Startup Frame Indicator Channel B — protocol related variable:
0
1
SYB
SYB
14
14
14
vSS!ValidFrame
vSS!ValidFrame
vRF!Header!SyFIndicator
vRF!Header!SyFIndicator
vRF!Header!NFIndicator
vRF!Header!NFIndicator
vRF!Header!SuFIndicator
vRF!Header!SuFIndicator
–
0
–
–
Individual Receive Message Buffer assigned to both channels
Individual Receive Message Buffer assigned to channel A
Individual Receive Message Buffer assigned to channel B
Figure 3-103. Receive Message Buffer Slot Status Structure (ChAB)
NFB
NFB
Table 3-83. Receive Message Buffer Slot Status Field Descriptions
Figure 3-104. Receive Message Buffer Slot Status Structure (ChA)
Figure 3-105. Receive Message Buffer Slot Status Structure (ChB)
13
13
13
–
0
–
–
MBCCSRn.CHA=’1’ and MBCCSRn.CHB=’1’
MBCCSRn.CHA=’1’ and MBCCSRn.CHB=’0’
MBCCSRn.CHA=’0’ and MBCCSRn.CHB=’1’
Table 3-82. Receive Message Buffer Slot Status Content
Receive FIFO Channel A Message Buffer
Receive FIFO Channel B Message Buffer
SUB
SUB
12
12
12
–
0
–
–
= ‘0’
= ‘1’
Receive Message Buffer Type
SEB
SEB
11
11
11
–
0
–
–
= ‘0’
= ‘1’
Common Message Buffer Status Bits
= ‘0’
= ‘1’
= ‘0’
= ‘1’
CEB
CEB
10
10
10
–
0
–
–
MFR4300 Data Sheet, Rev. 3
BVB
BVB
–
0
–
–
9
9
9
CH
8
–
8
0
–
8
1
–
Description
VFA
VFA
7
–
7
–
7
0
–
vSS!ValidFrame
SYA
SYA
–
–
0
–
6
6
6
vRF!Header!NFIndicator
vRF!Header!SyFIndicator
Table
vRF!Header!SuFIndicator
NFA
NFA
–
–
0
–
5
5
5
3-83.
Slot Status Content
channel B
see
see
see
see
see
SUA
SUA
–
–
0
–
4
4
4
Figure 3-103
Figure 3-104
Figure 3-105
Figure 3-104
Figure 3-105
SEA
SEA
–
–
0
–
3
3
3
Freescale Semiconductor
channel B
channel B
CEA
CEA
–
–
0
–
2
2
2
channel B
BVA
BVA
1
–
1
–
1
0
–
0
–
0
–
0
–
0
0
0