Freescale Semiconductor ColdFire MCF52210 User Manual

Page 158

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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

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