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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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UPD7225 датащи(PDF) 21 Page - NEC |
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UPD7225 датащи(HTML) 21 Page - NEC |
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21 / 52 page  Data Sheet S14308EJ6V0DS00 21 µµµµPD7225 5. CLOCK CIRCUIT The clock oscillator can be configured by connecting a resistor (R) across the CL1 and CL2 clock pins. When using the external clock, CL1 can be used to input the external clock (CL2: Open). Figure 5-1. External Circuit for Clock Oscillation Pins OSC CL1 R CL2 fCL To LCD timing control PD7225 µ OSC CL1 External clock Open CL2 fCL To LCD timing control PD7225 µ Remark fCL = Clock oscillation frequency (when using the external clock, this frequency is same as that of the external clock frequency.) When configuring a multi-chip system using the /SYNC pin, a clock with the same frequency and same phase must be supplied to the CL1 pin of each µPD7225. |
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