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MMC2107 - Freescale Semiconductor

MMC2107 - Freescale Semiconductor

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<strong>Freescale</strong> <strong>Semiconductor</strong>, Inc.<br />

Reset Controller Module<br />

Functional Description<br />

1<br />

LOSS OF CLOCK?<br />

Y<br />

0<br />

POR<br />

N<br />

2<br />

LOSS OF LOCK?<br />

Y<br />

N<br />

nc...<br />

3<br />

RESET<br />

PIN OR WD TIMEOUT<br />

OR SW RESET?<br />

Y<br />

5<br />

ENABLE BUS MONITOR<br />

4<br />

ASSERT RSTOUT AND<br />

LATCH RESET STATUS<br />

<strong>Freescale</strong> <strong>Semiconductor</strong>, I<br />

N<br />

6<br />

7<br />

8<br />

9<br />

10<br />

BUS CYCLE<br />

COMPLETE?<br />

ASSERT RSTOUT AND<br />

LATCH RESET STATUS<br />

RESET NEGATED?<br />

Y<br />

PLL MODE?<br />

N<br />

Y<br />

N<br />

N<br />

Y<br />

9A<br />

PLL LOCKED?<br />

Y<br />

N<br />

WAIT 512 CLKOUT CYCLES<br />

12<br />

NEGATE RSTOUT<br />

11<br />

RCON ASSERTED?<br />

Y<br />

11A<br />

LATCH CONFIGURATION<br />

N<br />

Figure 5-5. Reset Control Flow<br />

<strong>MMC2107</strong> – Rev. 2.0<br />

Technical Data<br />

MOTOROLA Reset Controller Module 139<br />

For More Information On This Product,<br />

Go to: www.freescale.com

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