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CS9255 - FM / AM frequency counter serial output circuit

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Part number CS9255
Manufacturer Semico
File Size 219.79 KB
Description FM / AM frequency counter serial output circuit
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MOS CS9255 FM/AM 1、 :CS9255CP CS9255 /, MCU , ,。CS9255 MCU , MCU 、、FM/AM , ,MCU ,CS9255 。: ● FM :150MHz ● AM :30MHz ● 32.768kHz ● :2.0V~5.5V ● , ● , ● , MCU ● :DIP8 2、 2. 1、 FM AM OSCI OSCO 6 MUX Count0 Count1 Count2 Count3 Count4 Count5 Count6 10 10 10 10 10 10 10 4 44 44 ENABLE RESET (5x4) 20 (21) DIS_OUT FMAM_SEL TEST TESTCLK DATA DCLK 2. 2、 MCU (ENABLE),。CS9255 : ●FM/AM FM 0.06s;AM 0.1s。 ,;,。 FM Count6 Count5 Count4 Count3 Count2 Count1 Count0 FM 100MHz 10MHz 1MHz 100kHz 10kHz 1kHz 100Hz :2008-08-B 1 5 MOS CS9255 AM AM Count6 10MHz Count5 1MHz Count4 100kHz Count3 10kHz Count2 1kHz Count1 100Hz Count0 10Hz ● ,,。 ● Tset_da=256×T ( f =32.768kHz,Tset_da=7.68ms), , , , 。 ● T (T=T +0.
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