參數(shù)資料
型號(hào)： MC13111BFTA
廠商： MOTOROLA INC
元件分類(lèi)： 無(wú)繩電話/電話
英文描述： UNIVERSAL NARROWBAND FM RECEIVER INTEGRATED CIRCUIT
中文描述： TELECOM, CORDLESS, RF AND BASEBAND CIRCUIT, PQFP48
封裝： PLASTIC, LQFP-48
文件頁(yè)數(shù)： 50/68頁(yè)
文件大?。?/td> 1316K
代理商： MC13111BFTA
MC13110A/B MC13111A/B
50
MOTOROLA ANALOG IC DEVICE DATA
Figure 120. Power Saving Application – Option 2 (MC13110A/MC13111A Only)
MPU Clk
Divider
Clk In
SPI Port
Clk Out
SPI Port
LO2 Out
LO2 In
MC13110A/
MC13111A
Microprocessor
CD Out/
HW Interrupt
Interrupt
External Timer
VCC
Mode
EN
CD Out/Hardware Interrupt
MPU Clock Out
CD Out Low
Delay after MPU selects Inactive Mode to when CD turns off.
CD Turns Off
External Timer
Pulls Pin Low
MPU Initiates
Mode Change
Timer Output
Disabled
MPU Initiates
Inactive Mode
“MPU Clock Out” remains active for a minimum of one count of reference
counter after “CD Out/Hardware Interrupt” pin goes high
Active/Rx
Inactive
Interrupt
Standby/Rx/Active
MPU “Clk Out” Divider Programming
The “Clk Out” signal is derived from the second local
oscillator. It can be used to drive a microprocessor (MPU) clock
input. This will eliminate the need for a separate crystal to drive
the MPU, thus reducing system cost. Figure 121 shows the
relationship between the second LO crystal frequency and the
clock output for each divide value. Figure 122 shows the “Clk
Out” register bit values. With a 10.24 MHz crystal, the divide by
312.5 gives the same clock frequency as a clock crystal and
allows the MPU to display the time on a LCD display without
additional external components.
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Crystal
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相關(guān)PDF資料
PDF描述
MC13110 UNIVERSAL NARROWBAND FM RECEIVER INTEGRATED CIRCUIT
MC1310 CONNECTOR KIT, JPS130PS; RoHS Compliant: Yes
MC1311 UNIVERSAL NARROWBAND FM RECEIVER INTEGRATED CIRCUIT
MC13110AFB UNIVERSAL NARROWBAND FM RECEIVER INTEGRATED CIRCUIT
MC13110AFTA UNIVERSAL NARROWBAND FM RECEIVER INTEGRATED CIRCUIT
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