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LC72122V Arkusz danych(PDF) 5 Page - Sanyo Semicon Device |
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LC72122V Arkusz danych(HTML) 5 Page - Sanyo Semicon Device |
5 / 22 page No. 6113-5/22 LC72122V Pin Descriptions Symbol Pin No. Type Functions Circuit configuration 19 20 12 11 1 3 2 4 13 14 XIN XOUT FMIN AMIN CE CL DI DO VDD VSSd Xtal Local oscillator signal input Local oscillator signal input Chip enable Clock Input data Output data Power supply Ground • Crystal oscillator connections (75 kHz) • FMIN is selected when the serial data input DVS bit is set to 1. • The input frequency range is from 10 to 250 MHz. • The input signal passes through the internal divide-by- two prescaler and is input to the swallow counter. • The divisor can be in the range 272 to 65535. However, since the signal has passed through the divide-by-two prescaler, the actual divisor is twice the set value. • AMIN is selected when the serial data input DVS bit is set to 0. • When the serial data input SNS bit is set to 1: — The input frequency range is 2 to 40 MHz. — The signal is directly input to the swallow counter. — The divisor can be in the range 272 to 65535, and the divisor used will be the value set. • When the serial data input SNS bit is set to 0: — The input frequency range is 0.5 to 10 MHz. — The signal is directly input to a 12-bit programmable divider. — The divisor can be in the range 4 to 4095, and the divisor used will be the value set. • Set this pin high when inputting (DI) or outputting (DO) serial data. • Up to 6.5 V may be applied, regardless of the actual supply voltage (VDD). • Used as the synchronization clock when inputting (DI) or outputting (DO) serial data. • Up to 6.5 V may be applied, regardless of the actual supply voltage (VDD). • Inputs serial data transferred from the controller to the LC72122V. • Up to 6.5 V may be applied, regardless of the actual supply voltage (VDD). • Outputs serial data transferred from the LC72122V to the controller. The data output is determined by the DOC0 to DOC2 bits in the serial data. • The LC72122V power supply pin. (VDD = 1.8 to 3.6 V) • The power on reset circuit operates when power is first applied. • The LC72122V ground Continued on next page. |
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