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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 />

Memory Map and Registers<br />

EXT — External Reset Flag<br />

EXT indicates that the last reset was caused by an external device<br />

asserting the external RESET pin.<br />

1 = Last reset state caused by external device asserting the<br />

external RESET pin<br />

0 = No external reset<br />

nc...<br />

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

5.6.3 Reset Test Register<br />

LOC — Loss of Clock Reset Flag<br />

LOC indicates that the last reset state was caused by a loss of clock<br />

detected by the loss of clock circuit.<br />

1 = Last reset caused by loss of clock<br />

0 = No loss of clock reset<br />

LOL — Loss of Lock Reset Flag<br />

LOL indicates that the last reset state was caused by a loss of lock<br />

detected by the PLL circuit.<br />

1 = Last reset caused by loss of lock<br />

0 = No loss of lock<br />

The reset test register (RTR) is used only for factory testing.<br />

This register is read-only when not in test mode.<br />

Address: 0x000c4_0002<br />

Bit 7 6 5 4 3 2 1 Bit 0<br />

Read: 0 0 0 0 0 0 0 0<br />

Write:<br />

Reset: 0 0 0 0 0 0 0 0<br />

= Writes have no effect and the access terminates without a transfer error exception.<br />

Figure 5-4. Reset Test Register (RTR)<br />

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

Technical Data<br />

MOTOROLA Reset Controller Module 135<br />

For More Information On This Product,<br />

Go to: www.freescale.com

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