Datenblatt-Suchmaschine für elektronische Bauteile |
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LC72151V Datenblatt(PDF) 7 Page - Sanyo Semicon Device |
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LC72151V Datenblatt(HTML) 7 Page - Sanyo Semicon Device |
7 / 29 page No. 6976-7/29 LC72151V Pin Functions Pin No. Symbol Usage Function Pin circuit • Crystal oscillator connection. (10.25 or 10.35 MHz) 30 1 XIN XOUT X’tal OSC • FMIN is selected by setting DVS in the control data to 1. • Enters high-speed locking mode by setting SNS in the control data to 1. • Enters normal mode by setting SNS in the control data to 0. • Input frequency: 10 to 160 MHz • The signal is transmitted to the swallow counter. • The divisor can be set to a value in the range 272 to 65,535. 8 FMIN Local oscillator signal input • AMIN is selected by setting DVS in the control data to 0. • When SNS in the control data is set to 1: Input frequency: 2 to 40 MHz The signal is directly transmitted to the swallow counter. • When SNS in the control data is set to 0: Input frequency: 0.5 to 10 MHz The signal is directly transmitted to the 12-bit programmable divider. The divisor can be set to a value in the range 5 to 4,095. 9 AMIN Local oscillator signal input • This pin must be set to the high level when inputting serial data to the LC72151V DI pin and when outputting serial data from the DO pin. 29 CE Chip enable S • Serial data input for transferring data from the controller to the LC72151V. 28 DI Input data S • Data synchronization clock signal used when inputting serial data to the LC72151V DI pin and when outputting serial data from the DO pin. 27 CL Clock S • Serial data output for transferring data from the LC72151V to the controller. 26 DO Output data • LC72151V power supply. A voltage in the range 4.5 to 5.5 V must be provided when the PLL circuit is operating. • The power-on reset circuit operates when power is first applied. Note: Power must be applied to AVDD before applied to VDD and AVDD must be higher than or equal to VDD. ——— ——— 6 VDD Power • LC72151V ground. 7 VSS Ground • Input/output dual function pins • The function will be selected according to IOC1 and IOC2 in the control data. Data = 0: Input port 1: Output port • When specified as an input port: The input pin state is transmitted to the system microcontroller from DO pin. Input state = Low: data is 0 = High: data is 1. • When specified as an output port: The output state will be determined according to I/O-1 and I/O-2 in the control data. Data = 0: Low = 1: Open • These pin function as an input port at a power-on reset. 2 3 I/O-1 I/O-2 I/O ports Continued on next page. |
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