mfr4300 Freescale Semiconductor, Inc, mfr4300 Datasheet - Page 16

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mfr4300

Manufacturer Part Number
mfr4300
Description
Flexray Communication Controllers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
Figure Number
Figure 3-92.
Figure 3-93.
Figure 3-94.
Figure 3-95.
Figure 3-96.
Figure 3-97.
Figure 3-98.
Figure 3-99.
Figure 3-100. Receive FIFO Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Figure 3-101. Example of FRM Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Figure 3-102. Frame Header Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Figure 3-103. Receive Message Buffer Slot Status Structure (ChAB) . . . . . . . . . . . . . . . . . . . . . . . . . 146
Figure 3-104. Receive Message Buffer Slot Status Structure (ChA) . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Figure 3-105. Receive Message Buffer Slot Status Structure (ChB) . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Figure 3-106. Transmit Message Buffer Slot Status Structure (ChAB) . . . . . . . . . . . . . . . . . . . . . . . . 148
Figure 3-107. Transmit Message Buffer Slot Status Structure (ChA) . . . . . . . . . . . . . . . . . . . . . . . . . 148
Figure 3-108. Transmit Message Buffer Slot Status Structure (ChB). . . . . . . . . . . . . . . . . . . . . . . . . . 148
Figure 3-109. Message Buffer Data Field Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Figure 3-110. Single Transmit Message Buffer Access Regions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Figure 3-111. Single Transmit Message Buffer States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Figure 3-112. Message Transmission Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Figure 3-113. Message Transmission from HLck state with unlock. . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Figure 3-114. Null Frame Transmission from Idle state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Figure 3-115. Null Frame Transmission from HLck state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Figure 3-116. Null Frame Transmission from HLck state with unlock . . . . . . . . . . . . . . . . . . . . . . . . 159
Figure 3-117. Null Frame Transmission from with locking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Figure 3-118. Receive Message Buffer Access Regions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Figure 3-119. Receive Message Buffer States. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Figure 3-120. Message Reception Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
Figure 3-121. Double Transmit Buffer Structure and Data Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Figure 3-122. Double Transmit Message Buffer Access Regions Layout . . . . . . . . . . . . . . . . . . . . . . 168
Figure 3-123. Double Transmit Message Buffer State Diagram (Commit Side) . . . . . . . . . . . . . . . . . 170
Figure 3-124. Double Transmit Message Buffer State Diagram (Transmit Side). . . . . . . . . . . . . . . . . 171
Figure 3-125. Internal Message Transfer in Streaming Commit Mode . . . . . . . . . . . . . . . . . . . . . . . . 175
Figure 3-126. Internal Message Transfer in Immediate Commit Mode . . . . . . . . . . . . . . . . . . . . . . . . 175
16
Protocol Configuration Register 30 (PCR30)
Message Buffer Configuration, Control, Status Registers (MBCCSRn) . . . . . . . . . . . . 128
Message Buffer Cycle Counter Filter Registers (MBCCFRn) . . . . . . . . . . . . . . . . . . . . 130
Message Buffer Frame ID Registers (MBFIDRn) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Message Buffer Index Registers (MBIDXRn) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Physical Message Buffer Structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Individual Message Buffer Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Receive Shadow Buffer Structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
MFR4300 Data Sheet, Rev. 3
Title
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Freescale Semiconductor
Page

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