PXS20RM Datasheet, PDF (540/1368 Pages) Freescale Semiconductor, Inc – PXS20 Microcontroller

Fault Collection and Control Unit (FCCU)
Chip mode RESET
UNKNOWN
RESET
RUN
STCU state
STCU flags
(to FCCU)
FCCU state
RESET
RUN
FAULT
RESET
UNKNOWN
Figure 22-36. STCU-FCCU (case a)
END (good)
GOOD
NORMAL
Chip mode RESET
UNKNOWN
RESET
RUN
STCU state
STCU flags
(to FCCU)
FCCU state
RESET
RESET
RUN
FAULT
UNKNOWN
NORMAL
Figure 22-37. STCU-FCCU (case b)
END (failure)
FAULT
FAULT/ALARM
Chip mode RESET
UNKNOWN
RESET
STCU state RESET
RUN
END (serious failure)
STCU flags
(to FCCU)
FAULT
FAULT
FCCU state
RESET
UNKNOWN
Figure 22-38. STCU-FCCU (case c)
For details related to the STCU refer to [3].
NORMAL
22.7.9 NVM interface
The NVM provides the FCCU with the initial configuration information shown in Table 22-27.
Table 22-27. NVM configuration
Flash memory option bit locations
BIU4[20]
BIU4[21]
BIU4[22]
BIU4[23:25]
BIU4[26:31]
Description
Initial FCCU_CFG.CM value
Initial FCCU_CFG.SM value
Initial FCCU_CFG.PS value
Initial FCCU_CFG.FOM value
Initial FCCU_CFG.FOP value
22-40
PXS20 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor