mc68hc05ct4fn Freescale Semiconductor, Inc, mc68hc05ct4fn Datasheet - Page 86

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

Dual Phase-Locked Loop (PLL)
11.2 Introduction
General Release Specification
(10.24 MHz)
FinR
OSC
FinT
MCU BUS
12-BIT PROGRAMMABLE
16-BIT PROGRAMMABLE
16-BIT PROGRAMMABLE
REFERENCE COUNTER
TX COUNTER
RX COUNTER
This dual PLL is similar to that of the MC145162 60-MHz universal
programmable dual PLL frequency synthesizer. It is especially designed
for CT-1 cordless phone applications.
The PLL features fully programmable 16-bit receive, 16-bit transmit, and
12-bit reference ripple down counters. It also has two independent
phase detectors for transmit and receive loops.
The FinTx and FinRx signals are input to the PLL transmit and receive
counters, respectively. They are typically driven by the loop VCO and
AC-coupled. The minimum input signal level is 200 mV
Freescale Semiconductor, Inc.
Figure 11-1. Dual PLL Block Diagram
For More Information On This Product,
Dual Phase-Locked Loop (PLL)
Go to: www.freescale.com
4
25
5
PLS1
PLS0
DETECTOR
DETECTOR
PHASE
PHASE
MC68HC05CT4
RX
TX
p-p
@ 60.0 MHz.
RxPDOUT
TxPDOUT
—
Rev. 2.0