NXP Semiconductors MPC5644A, Reference Manual, Page: 1497 / 1735

FlexRay Communication Controller (FlexRay)
MPC5644A Microcontroller Reference Manual, Rev. 6
Freescale Semiconductor 1497
33.5.2.45 Timer 2 Configuration Register 1 (FR_TI2CR1)
The content of this register depends on the value of the T2_CFG bit in the Timer Configuration and Control
Register (FR_TICCR) . For a detailed description of timer T2, refer to Section 33.6.17.2, Absolute /
Relative timer T2” .
NOTE
If timer T2 is configured as an absolute timer and the application modifies
the values in this register while the timer is running, the change becomes
effective immediately and the timer T2 will expire according to the changed
values.
If timer T2 is configured as a relative timer and the application changes the
values in this register while the timer is running, the change becomes
effective when the timer has expired according to the old values.
33.5.2.46 Slot Status Selection Register (FR_SSSR)
This register is used to access the four internal non memory-mapped slot status selection registers
FR_SSSR0 to FR_SSSR3. Each internal registers selects a slot, or symbol window/NIT, whose status
vector will be saved in the corresponding
Slot Status Registers (FR_SSR0–FR_SSR7) according to
Base + 0x0062 Write: Anytime
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
R
R* T2_MTOFFSET
W
R
T2_MTCNT[15:0]
W
Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Figure 33-45. Timer 2 Configuration Register 1 (FR_TI2CR1)
Table 33-51. FR_TI2CR1 field description
Field Description
Fields for absolute timer T2 (FR_TICCR[T2_CFG] = 0)
T2_MTOFFSET Timer T2 Macrotick Offset — This field holds the macrotick offset value for timer T2.
Fields for relative timer T2 (FR_TICCR[T2_CFG] = 1)
T2_MTCNT[15:0] Timer T2 Macrotick Low Word — This field defines the low word of the macrotick value for timer
T2.
Base + 0x0064 16-bit write access required Write: Anytime
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
R 0 0
SEL
0
SLOTNUMBER
W WMD
Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Figure 33-46. Slot Status Selection Register (FR_SSSR)