| 전자부품 데이터시트 검색엔진 |
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MC33596FCE/R2 데이터시트(PDF) 35 Page - Freescale Semiconductor, Inc |
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MC33596FCE/R2 데이터시트(HTML) 35 Page - Freescale Semiconductor, Inc |
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35 / 70 page ![]() Register Description MC33596 Data Sheet, Rev. 4 Freescale Semiconductor 35 LVDE (Low Voltage Detection Enable) enables the low voltage detection function. 0 = disabled 1 = enabled NOTE This bit is cleared by POR. In the event of a complete loss of the supply voltage, LVD is disabled at power-up, but the information is not lost as the status bit LVDS is set by POR. CLKE (Clock Enable) controls the DATACLK output buffer. 0 = DATACLK remains low 1 = DATACLK outputs Fdataclk Figure 25 describes configuration register 2, CONFIG2. DSREF (Data Slicer Reference) selects the data slicer reference. 0 = Fixed reference (cannot be used in FSK) 1 = Adaptive reference (recommended for maximum sensitivity in OOK and FSK) In the case of FSK modulation (MODU = 1), DSREF must be set. FRM (Frequency Register Manager) enables either a user friendly access to one frequency register or a direct access to the two frequency registers. 0 = The carrier frequency and the FSK deviation are defined by the F register 1 = The local oscillator frequency and the two carrier frequencies are defined by two frequency registers, F and FT. MODU (Modulation) sets the data modulation type. 0 = On/Off Keying (OOK) modulation 1 = Frequency Shift Keying (FSK) modulation DR[1:0] (Data Rate) configure the receiver blocks operating in base band. Table 9. Active Level of SWITCH Output Pin SL Receiver Function Level on SWITCH 0 Receiving Low — High 1— Low Receiving High Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Addr Bit Name DSREF FRM MODU DR1 DR0 TRXE DME SOE $01 Reset Value 0 0 0 1 0 0 0 0 Access R/WR/W R/WR/W R/WR/W R/W R/W Figure 25. CONFIG2 Register |
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