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LC72130 Datasheet(PDF) 6 Page - Sanyo Semicon Device |
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LC72130 Datasheet(HTML) 6 Page - Sanyo Semicon Device |
6 / 22 page Pin Functions No. 4973-6/22 LC72130, 72130M Symbol Pin No. Type Functions Circuit configuration XIN XOUT FMIN AMIN CE CL DI DO VDD 1 24 15 14 3 5 4 6 16 X’tal OSC Local oscillator signal input Local oscillator signal input Chip enable Clock Data input Data output Power supply • Crystal resonator connection (4.5/7.2 MHz) • Serial data input: FMIN is selected when DVS is set to 1. • The input frequency range is from 10 to 160 MHz. • The signal is passed through a built-in divide-by-two prescaler and then supplied to the swallow counter. • Although the range of divisor settings is from 272 to 65,535, the actual divisor is twice the setting since there is also a built-in divide-by-two prescaler. • Serial data input: AMIN is selected when DVS is set to 0. • Serial data input: When SNS is set to 1: — The input frequency range is from 2 to 40 MHz. — The signal is supplied directly to the swallow counter. — The range of divisor settings is from 272 to 65,535 and the actual divisor will be the value set. • Serial data input: When SNS is set to 0: — The input frequency range is from 0.5 to 10 MHz. — The signal is supplied directly to a 12-bit programmable divider. — The range of divisor settings is from 4 to 4,095 and the actual divisor will be the value set. • Must be set high when serial data is input to the LC72130 (DI), or when serial data is output (DO). • Used as the synchronization clock when serial data is input to the LC72130 (DI), or when serial data is output (DO). • Inputs serial data sent from the controller to the LC72130. • Outputs serial data sent from the LC72130 to the controller. The content of the output data is determined by the serial data DOC0 to DOC2. • The LC72130 power supply (VDD = 4.5 to 5.5 V) • The power on reset circuit operates when power is first applied. Continued on next page. - |
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