mfr4200 Freescale Semiconductor, Inc, mfr4200 Datasheet - Page 150

• Manufacturer Part Number: mfr4200
• Description: Flexray Communication Controllers
• Manufacturer: Freescale Semiconductor, Inc

MFR4200 FlexRay Communication Controller
3.4
3.4.1
Message buffer control, configuration and status register (BUFCSnR[0:58]). The BUFCS[0:58] layout is
the same for receive message buffers, transmit message buffers and FIFO. However, the access rules for
register bits depend on various modes of operation and on the buffer configuration.
150
Hard Reset
Hard Reset
Hard Reset
Hard Reset
Access
Access
Access
Access
Name
Name
Name
Name
Bit
Bit
Bit
Bit
Message Buffer Control, Configuration, Status and Filtering
Register Set
Figure 3-122. BUFCSnR of a Transmit Message Single Buffer for the Dynamic Segment
Message Buffer Control, Configuration and Status Register
RO_NO/WR_CS
Reserved
Reserved
VALID
VALID
rwh*
RO
15
NU
rh
0
7
15
NU
r
0
7
r
LOCK
LOCK
Figure 3-121. BUFCSnR of a Receive Message Buffer
WR
WR
WR
14
TT
14
TT
NU
rw
rw
rw
6
6
r
RO_NO/WR_CS
RO_NO/WR_CS
Reserved
Reserved
CCFE
rw*
CCFE
13
NU
5
r
rw*
13
NU
5
r
MFR4200 Data Sheet, Rev. 0
Reserved
RO_NO/WR_CS
Reserved
BT
NU
NU
12
4
r
r
rw*
BT
12
NU
4
r
RO_NO/WR_CS
DATUPD
DATUPD
IENA
rwh*
WR
IENA
11
rw
3
0
WR
11
NU
rw
3
0
r
RO_NO/WR_CS
RO_NO/WR_CS
IFLG
ChB
IFLG
rw*
ChB
10
RO
rh
rw*
2
0
10
RO
rh
2
0
RO_NO/WR_CS
RO_NO/WR_CS
Reserved
Reserved
Freescale Semiconductor
ChA
ChA
rw*
NU
rw*
NU
9
1
r
9
1
r
RO_NO/WR_CS
RO_NO/WR_CS
BUFCMT
BUFCMT
CFG
CFG
rw*
rw*
WR
rw
NU
8
0
0
8
0
0
r