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| 型號(hào)： | MC13109A |
| 廠商： | Motorola, Inc. |
| 英文描述： | UNIVERSAL CORDLESS TELEPHONE SUBSYSTEM IC |
| 中文描述： | 通用無(wú)繩電話子系統(tǒng)集成電路 |
| 文件頁(yè)數(shù)： | 12/28頁(yè) |
| 文件大小： | 1307K |
| 代理商： | MC13109A |
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MC13109A
12
MOTOROLA RF/IF DEVICE DATA
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Pin
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Pin
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Symbol
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Type
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Description
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second Local Oscillator (LO2) for the RF receiver.
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2
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LO2 Out
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power supply voltage for the Rx and Tx PLL’s and can also be used as a
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These pins form the PLL reference oscillator when connected to an external
parallel–resonant crystal (10.24 MHz typical). The reference oscillator is also the
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filter. It is important to minimize the line length and capacitance of this pin.
Supply
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Voltage Regulator output pin. The internal voltage regulator provides a stable
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Output
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Three state voltage output of the Rx Phase Detector. This pin is either “high”,
“l(fā)ow”, or “high impedance” depending on the phase difference of the phase
detector input signals. During lock, very narrow pulses with a frequency equal to
the reference frequency are present. This pin drives the external Rx PLL loop
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E Cap
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–
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Expander rectifier filter capacitor pin. Connect capacitor to VCC.
Transmit divide counter input which is driven by an ac coupled external transmit
loop VCO. The minimum signal level is 200 mVpp @ 80.0 MHz. This pin also
functions as the test mode input for the counter tests.
the reference frequency are present. This pin drives the external Tx PLL loop
filter. It is important to minimize the line length and capacitance on this pin.
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“l(fā)ow”, or “high impedance” depending on the phase difference of the phase
detector input signals. During lock, very narrow pulses with a frequency equal to
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Clk
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Tx VCO
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external capacitor to form a low pass filter to reduce radiated noise on the PCB.
Input
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9
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Data
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Input
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Microprocessor serial interface input pins for programming various counters and
control functions.
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power glitch.
Output
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Microprocessor Clock Output which is derived from the 2nd LO crystal oscillator
and a programmable divider. It can be used to drive a microprocessor and
thereby reduce the number of crystals required in the system design. The driver
has an internal resistor in series with the output which can be combined with an
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Output
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This pin indicates when the internal latches may have lost memory due to a
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Hardware
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Input
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pull–up resistor. 2) Hardware interrupt input which can be used to “wake–up”
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Lim C1
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