mfr4200 Freescale Semiconductor, Inc, mfr4200 Datasheet - Page 75

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

3.2.3.3.8
Address 0xB6
Reset
The MPCHR and MPCLR define the number of microticks per cycle. Writing these registers is possible
only in the configuration state. The relationship between registers MPCHR, MPCLR, and CLR is given by
Equation
Where:
3.2.3.3.9
FlexRay Protocol Related Parameter – gdStaticSlot
Address 0xB0
Reset
This register defines the number of macroticks per slot. Writing this register is possible only in the
configuration state.
Freescale Semiconductor
Reserved
Reserved
MPCH7
•
•
SSL7
rw*
rw*
15
15
7
7
r
r
undefined state
Cycle Length = the length of a communication cycle in microticks
k = 1 [microtick/macrotick]
undefined state
3-2.
Microticks Per Cycle High Register (MPCHR)
Static Slot Length Register (SSLR)
Reserved
Reserved
MPCH6
SSL6
rw*
rw*
14
14
6
6
r
r
MPCHR * 2^16 + MPCLR = (Cycle Length) – k * CLR
Reserved
Reserved
Figure 3-21. Microticks Per Cycle High Register
MPCH5
SSL5
rw*
rw*
13
13
5
5
r
r
Figure 3-22. Static Slot Length Register
MFR4200 Data Sheet, Rev. 0
Reserved
Reserved
MPCH4
SSL4
rw*
rw*
12
12
4
4
r
r
Reserved
Reserved
MPCH3
SSL3
rw*
rw*
11
11
3
3
r
r
Reserved
Reserved
MPCH2
SSL2
rw*
rw*
10
10
2
2
r
r
Reserved
Reserved
MPCH1
Memory Map and Registers
SSL1
rw*
rw*
9
1
9
1
r
r
Reserved
Reserved
MPCH0
SSL0
Eqn. 3-2
rw*
rw*
8
0
8
0
r
r
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