MC68HC912D60A MOTOROLA [Motorola, Inc], MC68HC912D60A Datasheet - Page 157
MC68HC912D60A
Manufacturer Part Number
MC68HC912D60A
Description
Microcontrollers
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC912D60A.pdf
(460 pages)
- Current page: 157 of 460
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PLLFLG — PLL Flags
MC68HC912D60A — Rev 3.0
MOTOROLA
RESET:
LOCKIF
Bit 7
0
LOCK
6
0
Read anytime, refer to each bit for write conditions.
LOCKIF — PLL Lock Interrupt Flag
LOCK — Locked Phase Lock Loop Circuit
LHIF — Limp-Home Interrupt Flag
LHOME — Limp-Home Mode Status
For Limp-Home mode, see
To clear the flag, write one to this bit in PLLFLG. Cleared in limp-home
mode.
Regardless of the bandwidth control mode (automatic or manual):
Write has no effect on LOCK bit. This bit is cleared in limp-home mode as
the lock detector cannot operate without the reference frequency.
To clear the flag, write one to this bit in PLLFLG.
Freescale Semiconductor, Inc.
For More Information On This Product,
0 = No change in LOCK bit.
1 = LOCK condition has changed, either from a locked state to an
0 = PLL VCO is not within the desired tolerance of the target
1 = After the phase lock loop circuit is turned on, indicates the PLL
0 = No change in LHOME bit.
1 = LHOME condition has changed, either entered or exited limp-
0 = MCU is operating normally, with EXTALi clock available for
1 = Loss of reference clock. CGM delivers PLL VCO limp-home
5
0
0
unlocked state or vice versa.
frequency.
VCO is within the desired tolerance of the target frequency.
home mode.
generating clocks or as PLL reference.
frequency to the MCU.
Go to: www.freescale.com
Clock Functions
4
0
0
Limp-Home and Fast STOP Recovery
3
0
0
Limp-Home and Fast STOP Recovery modes
2
0
0
LHIF
1
0
LHOME
Bit 0
0
Clock Functions
Technical Data
modes.
$003B
157
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