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LC72136N Datasheet(PDF) 6 Page - Sanyo Semicon Device |
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LC72136N Datasheet(HTML) 6 Page - Sanyo Semicon Device |
6 / 23 page No. 5608-6/23 LC72136N, 72136NM Pin Functions Pin No. Symbol (MFP pin numbers Type Functions Circuit configuration are in parentheses.) 22 (24) 1 (1) 16 (17) 15 (16) 3 (4) 5 (6) 4 (5) 6 (7) 17 (18) 21 (22) XIN XOUT FMIN AMIN CE CL DI DO VDD VSS Xtal Local oscillator signal input Local oscillator signal input Chip enable Clock Input data Output data Power supply Ground • Crystal oscillator connections (75 kHz) • The extremely high input impedance of the XIN pins means that applications must take the possibility of leakage into account. • 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 LC72136N. • Outputs serial data transferred from the LC72136N to the controller. The data output is determined by the DOC0 to DOC2 bits in the serial data. • The LC72136N power supply pin. (VDD = 4.5 to 5.5 V) • The power on reset circuit operates when power is first applied. • The LC72136N ground Continued on next page. |
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