Freescale Semiconductor MCF52210 用户手册
Reset Controller Module
MCF52211 ColdFire® Integrated Microcontroller Reference Manual, Rev. 2
10-8
Freescale Semiconductor
Figure 10-4. Reset Control Flow
RSTI
PIN OR WD TIMEOUT
OR SW RESET?
LOSS OF CLOCK?
LOSS OF LOCK?
RSTI NEGATED?
PLL MODE?
BUS CYCLE
COMPLETE?
RCON ASSERTED?
PLL LOCKED?
ENABLE BUS MONITOR
ASSERT RSTO AND
LATCH RESET STATUS
WAIT 512 CLKOUT CYCLES
LATCH CONFIGURATION
NEGATE RSTO
POR OR LVD
ASSERT RSTO AND
LATCH RESET STATUS
N
N
N
Y
Y
Y
1
2
3
N
N
N
0
5
6
7
8
9
10
11
Y
Y
N
N
Y
Y
12
4
9A
11A
Y