mfr4200 Freescale Semiconductor, Inc, mfr4200 Datasheet - Page 91
mfr4200
Manufacturer Part Number
mfr4200
Description
Flexray Communication Controllers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MFR4200.pdf
(260 pages)
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0 – Symbol transmission disabled.
3.2.3.3.37
Address 0x8A
Reset
This register controls the transmission of wakeup symbols. The register may be modified in the
configuration state only.
CHB and CHA determine whether a wakeup symbol will be transmitted on channel B or channel A,
respectively.
1 – Wakeup symbol transmission enabled.
0 – Wakeup symbol transmission disabled.
CNT[4:0] determine the number of wakeup symbols to be transmitted. The controller will transmit at least
two wakeup symbols if wakeup symbol transmission is enabled.
3.2.3.3.38
FlexRay protocol related parameter – gdWakeupSymbolTxIdle
Address 0xEA
Reset
This register controls the duration of the idle period of wakeup symbols. Bits CNT[7:0] determine the
duration of the idle period in bit durations on the network. The register may be modified in the
configuration state only.
Freescale Semiconductor
Reserved
Reserved
Reserved
CNT7
rw*
15
15
7
7
r
r
r
0x0
0x0
Wakeup Mechanism Control Register (WMCTRLR)
Wakeup Symbol TX Idle Register (WUSTXIR)
Reserved
Reserved
CNT6
CHB
rw*
rw*
14
14
6
6
r
r
Figure 3-50. Wakeup Mechanism Control Register
Reserved
Reserved
Figure 3-51. Wakeup Symbol TX Idle Register
CNT5
CHA
rw*
rw*
13
13
5
5
r
r
MFR4200 Data Sheet, Rev. 0
Reserved
Reserved
CNT4
CNT4
rw*
rw*
12
12
4
4
r
r
Reserved
Reserved
CNT3
CNT3
rw*
rw*
11
11
3
3
r
r
Reserved
Reserved
CNT2
CNT2
rw*
rw*
10
10
2
2
r
r
Reserved
Reserved
Memory Map and Registers
CNT1
CNT1
rw*
rw*
9
1
9
1
r
r
Reserved
Reserved
CNT0
CNT0
rw*
rw*
8
0
8
0
r
r
91
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