mfr4300 Freescale Semiconductor, Inc, mfr4300 Datasheet - Page 149

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

3.4.5.3
The message buffer data field is used to store the frame payload data, or a part of it, of the frame to be
transmitted to or received from the FlexRay bus. The minimum required length of this field depends on
the message buffer type that the physical message buffer is assigned to and is given in
structure of the message buffer data field is given in
Freescale Semiconductor
Field
CEA
BVB
TCB
NFA
SUA
SEA
BVA
TCA
VFA
SYA
9
8
7
6
5
4
3
2
1
0
Table 3-85. Transmit Message Buffer Slot Status Structure Field Descriptions (Continued)
Boundary Violation on Channel B — protocol related variable:
0
1
Transmission Conflict on Channel B — protocol related variable:
0
1
Valid Frame on Channel A — protocol related variable:
0
1
Sync Frame Indicator Channel A — protocol related variable:
0
1
Null Frame Indicator Channel A — protocol related variable:
0
1
Startup Frame Indicator Channel A — protocol related variable:
0
1
Syntax Error on Channel A — protocol related variable:
0
1
Content Error on Channel A — protocol related variable:
0
1
Boundary Violation on Channel A — protocol related variable:
0
1
Transmission Conflict on Channel A — protocol related variable:
0
1
Message Buffer Data Field Description
vSS!BViolation
vSS!BViolation
vSS!TxConflict
vSS!TxConflict
vSS!ValidFrame
vSS!ValidFrame
vRF!Header!SyFIndicator
vRF!Header!SyFIndicator
vRF!Header!NFIndicator
vRF!Header!NFIndicator
vRF!Header!SuFIndicator
vRF!Header!SuFIndicator
vSS!SyntaxError
vSS!SyntaxError
vSS!ContentError
vSS!ContentError
vSS!BViolation
vSS!BViolation
vSS!TxConflict
vSS!TxConflict
Individual Message Buffer in Segment 1
Individual Message Buffer in Segment 2
Receive Shadow Buffer in Segment 1
Receive Shadow Buffer in Segment 2
Receive FIFO for channel A
physical message buffer
Table 3-86. Message Buffer Data Field Minimum Length
= ‘0’
= ‘1’
= ‘0’
= ‘1’
= ‘0’
= ‘1’
= ‘0’
= ‘1’
assigned to
= ‘0’
= ‘1’
= ‘0’
= ‘1’
= ‘0’
= ‘1’
= ‘0’
= ‘1’
= ‘0’
= ‘1’
= ‘0’
= ‘1’
MFR4300 Data Sheet, Rev. 3
Figure
Description
RFDSR.ENTRY_SIZE (RFSR.SEL = 0)
minimum length defined by
3-109.
vSS!ValidFrame
vSS!SyntaxError
vSS!ContentError
MBDSR.MBSEG1DS
MBDSR.MBSEG1DS
MBDSR.MBSEG2DS
MBDSR.MBSEG2DS
vRF!Header!NFIndicator
vRF!Header!SyFIndicator
vSS!BViolation
vSS!BViolation
vRF!Header!SuFIndicator
vSS!TxConflict
vSS!TxConflict
channel A
channel A
channel A
channel B
channel A
FlexRay Module (FLEXRAYV2)
channel B
channel A
channel A
Table
channel A
channel A
3-86. The
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