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68HC05CT4 Datasheet(PDF) 86 Page - Freescale Semiconductor, Inc

Part # 68HC05CT4
Description  General Release Specification
PDF  142 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

68HC05CT4 Datasheet(HTML) 86 Page - Freescale Semiconductor, Inc

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Dual Phase-Locked Loop (PLL)
General Release Specification
MC68HC05CT4 — Rev. 2.0
Dual Phase-Locked Loop (PLL)
11.2 Introduction
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 mVp-p @ 60.0 MHz.
Figure 11-1. Dual PLL Block Diagram
OSC
12-BIT PROGRAMMABLE
REFERENCE COUNTER
÷ 4
÷ 5
TxPDOUT
RxPDOUT
16-BIT PROGRAMMABLE
TX COUNTER
16-BIT PROGRAMMABLE
RX COUNTER
FinT
FinR
PLS1
PLS0
MCU BUS
(10.24 MHz)
÷ 25
TX
PHASE
DETECTOR
RX
PHASE
DETECTOR
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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