mc68hc05ct4fn Freescale Semiconductor, Inc, mc68hc05ct4fn Datasheet - Page 88

• Manufacturer Part Number: mc68hc05ct4fn
• Description: Mc68hc05 Family Of Microcontrollers Mcus
• Manufacturer: Freescale Semiconductor, Inc

Dual Phase-Locked Loop (PLL)
General Release Specification
TXON — TX Counter Enable
REFON — Reference Counter Enable
RLOCK — Receive Lock Detect
TLOCK — Transmit Lock Detect
When set, this bit enables the PLL transmit counter.
When clear, it stops the counter in a reset state to save power. TXON
also shuts off the associated phase detector and holds it in three-
state. Initializing the transmit counter before it is enabled is
recommended.
When set, this bit enables the PLL reference counter.
When clear, REFON stops the reference counter in a reset state to
save power. Initializing the reference counter before it is enabled is
recommended.
This bit is read only and is not latched. When set, this bit is a real-time
indication of an active correction pulse from the phase detect in
progress. When clear, no correction is made and the output from the
phase detect is three-stated. Using multiple reads at known intervals
will allow the user to filter and judge a LOCK condition.
This bit is read only and is not latched.When set, this bit is a real-time
indication of an active correction pulse from the phase detect in
progress. When clear, no correction is made and the output from the
phase detect is three-stated. Using multiple reads at known intervals
will allow the user to filter and judge a LOCK condition.
Freescale Semiconductor, Inc.
For More Information On This Product,
Dual Phase-Locked Loop (PLL)
Go to: www.freescale.com
MC68HC05CT4
—
Rev. 2.0