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データシートサーチシステム |
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データシートサーチシステム |
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LC72131 データシート(PDF) 6 Page - Sanyo Semicon Device |
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LC72131 データシート(HTML) 6 Page - Sanyo Semicon Device |
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6 / 23 page  Pin Functions No. 4921-6/23 LC72131, 72131M Pin No. Symbol (MFP pin Nos. are Type Functions Circuit configuration in parentheses.) XIN XOUT FMIN AMIN CE CL DI DO VDD 1 (1) 22 (20) 16 (14) 15 (13) 3 (2) 5 (4) 4 (3) 6 (5) 17 (15) Xtal 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) • FMIN is selected when the serial data input DVS bit is set to 1. • The input frequency range is from 10 to 160 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. • Used as the synchronization clock when inputting (DI) or outputting (DO) serial data. • Inputs serial data transferred from the controller to the LC72131. • Outputs serial data transferred from the LC72131 to the controller. The content of the output data is determined by the serial data DOC0 to DOC2. • The LC72131 power supply pin (VDD = 4.5 to 5.5 V) • The power on reset circuit operates when power is first applied. Continued on next page. |
同様の部品番号 - LC72131 |
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同様の説明 - LC72131 |
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