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ST7162N Folha de dados(PDF) 7 Page - STMicroelectronics |
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ST7162N Folha de dados(HTML) 7 Page - STMicroelectronics |
7 / 17 page Figure 2: Reference Frequency Diagram. Table 2. MUX SELECT 1 MUX SELECT 2 MUX SELECT 3 MUX SELECT 4 INPUT OF TX PFD REFTX CONNECTED TO INTERNAL POINT (see Note 1) INPUT OF RX PFD REFRX CONNECTED TO INTERNAL POINT (see Note 2) 0 0 0 0 FREF FREF 0 0 0 1 FREF FREF/4 0 0 1 0 FREF FREF/25 0 0 1 1 FREF AUXFREF 0 1 0 0 FREF/4 FREF 0 1 0 1 FREF/4 FREF/4 0 1 1 0 FREF/4 FREF/25 0 1 1 1 FREF/4 AUXFREF 1 0 0 0 FREF/25 FREF 1 0 0 1 FREF/25 FREF/4 1 0 1 0 FREF/25 FREF/25 1 0 1 1 FREF/25 AUXFREF 1 1 0 0 AUXFREF FREF 1 1 0 1 AUXFREF FREF/4 1 1 1 0 AUXFREF FREF/25 1 1 1 1 AUXFREF AUXFREF Note (1): If the 12 bits REF. counter is disabled (RCE control bit = 0) then the inputs of RX and TX PFD (REF TX and REF RX) are connected to internal point AUX REF. Note (2): If the 14 bits auxiliary reference counter is disabled (ARCE control bit = 0) then the internal point AUXFREF is replaced by FREF/ 25. ST7162 7/17 |
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