MPC5604B/C Microcontroller Reference Manual, Rev. 8
190 Freescale Semiconductor
Alternatively, it is possible for software to configure some reset source events to be converted from a reset
to either a SAFE mode request issued to the MC_ME or to an interrupt issued to the core (see
Section 9.3.1.4, “Destructive Event Reset Disable Register (RGM_DERD) and Section 9.3.1.6,
“Destructive Event Alternate Request Register (RGM_DEAR) for ‘destructive’ resets and Section 9.3.1.3,
“Functional Event Reset Disable Register (RGM_FERD) and Section 9.3.1.5, “Functional Event Alternate
Request Register (RGM_FEAR) for ‘functional’ resets).
9.2 External signal description
The MC_RGM interfaces to the bidirectional reset pin RESET and the boot mode pins PA[8] and PA[9].
9.3 Memory map and register definition
NOTE
Any access to unused registers as well as write accesses to read-only
registers will:
• not change register content
• cause a transfer error
Table 9-1. MC_RGM register description
Address Name Description Size
Access
Location
Supervisor
0xC3FE_4000 RGM_FES Functional Event Status half-word read/write
1
on page 193
0xC3FE_4002 RGM_DES Destructive Event Status half-word read/write
1
1
individual bits cleared on writing ‘1’
on page 194
0xC3FE_4004 RGM_FERD Functional Event Reset Disable half-word read/write
2
2
write once: ‘0’ = disable, ‘1’ = enable.
on page 195
0xC3FE_4006 RGM_DERD Destructive Event Reset Disable half-word read on page 197
0xC3FE_4010 RGM_FEAR Functional Event Alternate Request half-word read/write on page 198
0xC3FE_4012 RGM_DEAR Destructive Event Alternate Request half-word read on page 199
0xC3FE_4018 RGM_FESS Functional Event Short Sequence half-word read/write on page 200
0xC3FE_401A RGM_STDBY STANDBY Reset Sequence half-word read/write on page 202
0xC3FE_401C RGM_FBRE Functional Bidirectional Reset Enable half-word read/write on page 202
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