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The PLL can change the bandwidth or operational mode of the loop filter manually or automatically when Unlock Freescale MC68HC11E9 Encrypted Heximal. In automatic bandwidth control mode (AUTO = 1), the lock detector automatically switches between acquisition and tracking modes.
Automatic bandwidth control mode is used also to determine when the VCO clock to extract IC, CGMVCLK, is safe to use as the source for the base clock, CGMOUT. See 9.6.2 PLL Bandwidth Control Register (PBWC). If PLL interrupts are enabled, the software can wait for a PLL interrupt request and then check the LOCK bit.

Unlock Freescale MC68HC11E9 Encrypted Heximal

If interrupts are disabled, software can poll the LOCK bit continuously (during PLL start-up, usually) or at periodic intervals to faciliate the process of Crack NXP MC908QT4 CPU Program Memory. In either case, when the LOCK bit is set, the VCO clock is safe to use as the source for the base clock. See 9.4.3 Base Clock Selector Circuit.

If the VCO is selected as the source for the base clock and the LOCK bit is clear, the PLL has suffered a severe noise hit and the software must take appropriate action, depending on the application. (See 9.7 Interrupts for information and precautions on using interrupts). The following conditions apply when the PLL is in automatic bandwidth control mode:

The ACQ bit (see 9.6.2 PLL Bandwidth Control Register (PBWC)) is a read-only indicator of the mode of the filter. (See 9.4.2.2 Acquisition and Tracking Modes)

The ACQ bit is set when the VCO frequency is within a certain tolerance DTRK and is cleared when the VCO frequency is out of a certain tolerance DUNT. (See 9.10 Acquisition/Lock Time Specifications)

The LOCK bit is a read-only indicator of the locked state of the PLL.

The LOCK bit is set when the VCO frequency is within a certain tolerance DLOCK and is cleared when the VCO frequency is out of a certain tolerance DUNL by MC68HC908QY4 CPU Embedded Firmware Cloning. (See 9.10 Acquisition/Lock Time Specifications)

CPU interrupts can occur if enabled (PLLIE = 1) when the PLL’s lock condition changes, toggling the LOCK bit from Unlock Freescale MC68HC11E9 Encrypted Heximal. (See 9.6.1 PLL Control Register (PCTL))