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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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WM8310 датащи(PDF) 53 Page - Wolfson Microelectronics plc |
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WM8310 датащи(HTML) 53 Page - Wolfson Microelectronics plc |
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53 / 291 page  Pre-Production WM8310 w PP, May 2012, Rev 3.1 53 13.3.1 FLL AUTO MODE To simplify the configuration of the FLL, an ‘automatic’ mode is provided in order to synthesize a number of commonly used reference frequencies using the 32.768kHz crystal oscillator as a reference. FLL Automatic mode is selected by setting the FLL_AUTO register bit as described in Table 21. When FLL_AUTO is set, the FLL is automatically configured to select the 32.768kHz oscillator as the FLL reference, and will generate the output frequency selected by FLL_AUTO_FREQ. FLL Automatic mode should be selected while the FLL is disabled (FLL_ENA = 0). After Automatic mode has been selected, the FLL can be enabled and disabled using FLL_ENA, as described in Table 20. ADDRESS BIT LABEL DEFAULT DESCRIPTION R16529 (4091h) Clock Control 2 7 FLL_AUTO 1 FLL Automatic Mode Enable 0 = Manual configuration mode 1 = Automatic configuration mode (To enable the FLL output, FLL_ENA must also be set in Automatic mode) 2:0 FLL_AUTO_F REQ [2:0] 000 FLL Automatic Mode Frequency select 000 = 2.048MHz 001 = 11.2896MHz 010 = 12MHz 011 = 12.288MHz 100 = 19.2MHz 101 = 22.5792MHz 110 = 24MHz 111 = 24.576MHz Table 21 FLL Automatic Mode |
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