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S1M8657X01-E0T0 Datasheet(PDF) 5 Page - Samsung semiconductor |
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S1M8657X01-E0T0 Datasheet(HTML) 5 Page - Samsung semiconductor |
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5 / 34 page  TX IF/BBA WITH AGC S1M8657 5 PIN DESCRIPTION (Continued) PIN NAME I/O Description 32 FMB/DATA BI When SEN = high, this pin is used as the SPI data input pin; when low, it converts to the FMB, the parallel control input. In the parallel control mode, if this pin becomes low, the IC enters FM Mode and, if high, CDMA Mode. 33 IDLEB/STB DI When SEN = high, this pin is used as the SPI STB(Strobe) pin; when low, it converts to IDLEB, the parallel control input. In the parallel control mode, if this pin becomes low, the IC enters the IDLE mode, and if high, TALK mode. 34 SLSB/CLK DI When SEN = high, this pin is used as the SPI CLK input pin; when low, it converts to the SLSB, the parallel control input and becomes the input pin for the latter bit of the two GP input select bit. 35 TCXO AI External TCXO signal input pin, whose input DC potential is 1.5V from only the input bias when not operating. 37 PDISET AO Pin determining the charge pump current in the PLL, whose operating voltage is 0.64V. The resistance between this pin and GND determines the charge-pump current, which is R/0.64. 38 PDOUT AO Charge pump current output pin, whose peak current is R/0.64 and 11R/0.64 in the Lock mode and Acquisition mode, respectively. When not operating, it is at high impedance. 41 FM_MOD AO FM modulation FM Baseband output signal, which is sent only in the FM Talk mode but has high impedance at any other time. 6, 45, 47 VDD Power pin for the analog circuit. 3, 5, 7, 22, 39, 44, 48 GND Ground pin for the analog circuit. 21 VDDM Pin for the digital input/output circuit connected to the modem. 9, 23, 40 VDD_DIG Digital logic power pin. 10 GND_DIG Digital circuit ground pin. |
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Similar Description - S1M8657X01-E0T0 |
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