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MSM7586-01 Datasheet(PDF) 4 Page - OKI electronic componets |
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MSM7586-01 Datasheet(HTML) 4 Page - OKI electronic componets |
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4 / 42 page  ¡ Semiconductor MSM7586-01/03 4/42 PIN AND FUNCTIONAL DESCRIPTIONS (Modem Unit) TXD Transmit data input for 384 kbps. TXCI Transmit clock input. When the control register CRM0 - B6 is "0", a 384 kHz clock pulse synchronous with TXD should be input to this pin. This clock pulse should be continuous because this device use APLL to generate an internal clock pulse. When CRM0 - B6 is "1", a 3.84 MHz clock pulse should be input to this pin. When the 3.84 MHz clock pulse is applied to TXCL, TXCO outputs a 384 kHz clock pulse, which is generated by dividing the TXCL input by 10. The transmit data, synchronous to the 384 kHz clock pulse, should be input to the TXD. In this case the devices do not use APLL, and the 3.84 MHz clock pulse need not be continuous. (Refer to Fig. 1.) TXCO Transmit clock output. When CRM0 - B6 is "0", TXCO outputs the 384 kHz clock pulse (APLL output) for monitoring purposes. When CRM0 - B6 is "1", this pin outputs a 384 kHz clock pulse generated by dividing the TXCI input by 10. (Refer to Fig. 1.) TXW Transmit data window signal input. The transmit timing signal for the burst data is input to this pin. If TXW is "1", the modulation data is output. (Refer to Fig. 1) |
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Similar Description - MSM7586-01 |
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