mfr4300 Freescale Semiconductor, Inc, mfr4300 Datasheet - Page 171

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

A description of the states of the transmit side of a double transmit message buffer is given in
Freescale Semiconductor
common states
transmit side specific states
CCMaCCITx
CCSaCCITx
CCNfCCITx
CCITx
CCMa
CCSa
CCTx
RESET_STATE
State
CCNf
HDis
Idle
Table 3-103. Double Transmit Message Buffer State Description (Transmit Side) (Sheet 1 of 2)
CCITx
HDis
Figure 3-124. Double Transmit Message Buffer State Diagram (Transmit Side)
EDS
MBCCSRn
0
1
1
1
1
1
1
1
1
1
IE
HE
LCKS
0
0
0
0
0
0
0
0
0
0
Appl.
Access Region
CFG
–
–
–
–
–
–
–
–
–
CCSaCCITx
MFR4300 Data Sheet, Rev. 3
Module
HD
SR
TX
TX
TX
TX
TX
–
–
–
–
IE
IS
IS
Disabled - Message Buffer under configuration.
Excluded from message buffer search.
Internal Message Transfer - Message Buffer Data transferred from
commit side to transmit side.
Idle - Message Buffer Transmit Side is idle.
Transmit Side is included in message buffer search.
Slot Assigned - Message buffer assigned to next static slot.
Ready for Null Frame transmission.
Slot Assigned and Internal Message Transfer - Message buffer
assigned to next static slot and Message Buffer Data transferred
from commit side to transmit side.
Null Frame Transmission
Header is used for null frame transmission.
Null Frame Transmission and Internal Message Transfer -
Header is used for null frame transmission and Message Buffer Data
transferred from commit side to transmit side.
Message Available - Message buffer is assigned to next slot and
cycle counter filter matches.
Message Available and Internal Message Transfer - Message
buffer is assigned to next slot and cycle counter filter matches and
Message Buffer Data transferred from commit side to transmit side.
Message Transmission - Message buffer data transmit. Payload
data from buffer transmitted
SA
CCSa
Idle
DSS
STS
CCNfCCITx
MA
IS
CCNf
IE
SSS
Description
SU
STS
FlexRay Module (FLEXRAYV2)
DSS
CCMaCCITx
CCMa
CCSu
CCTx
IS
SSS
TX
Table
IE
3-103.
171