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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ACS8526P датащи(PDF) 49 Page - Semtech Corporation |
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ACS8526P датащи(HTML) 49 Page - Semtech Corporation |
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49 / 74 page  ADVANCED COMMUNICATIONS FINAL DATASHEET Revision 4.01/June 2006 © Semtech Corp. Page 49 www.semtech.com ACS8526 LC/P LITE Address (hex): 65 Register Name cnfg_DPLL1_frequency Description (R/W) Register to configure DPLL1 and MUX2 parameters. Default Value 0000 0001 Bit 7Bit 6 Bit 5Bit 4 Bit 3 Bit 2Bit 1Bit 0 APLL2_for_ DPLL1_E1/DS1 DPLL1_freq_to_APLL2 DPLL1_frequency Bit No. Description Bit Value Value Description 7Not used. - - 6 APLL2_for_DPLL1_E1/DS1 Register bit to control MUX2 which selects whether the APLL2 takes its input from DPLL2 or DPLL1. If DPLL1 is selected then the frequency is controlled by Bits [5:4], DPLL1_freq_to_APLL2. 0 1 APLL2 takes its input from DPLL2. APLL2 takes its input from DPLL1. [5:4] DPLL1_freq_to_APLL2 Register to select the frequency/mode of DPLL1 which is driven to the APLL2 when selected by Bit 6, APLL2_for_DPLL1_E1/DS1. 00 01 10 11 12E1, APLL2 frequency = 98.304 MHz. 16E1, APLL2 frequency = 131.072 MHz. 24DS1, APLL2 frequency = 148.224 MHz. 16DS1, APLL2 frequency = 98.816 MHz. 3Not used. - - [2:0] DPLL1_frequency Register to configure the frequency of operation of DPLL1/APLL1. This register affects the frequencies available at outputs O1 and O2, see Reg. 61 and Reg. 62. 000 001 010 011 100 101 110 111 77.76 MHz, digital feedback, APLL1 frequency = 311.04 MHz. 77.76 MHz, analog feedback, (via APLL3) APLL1 frequency = 311.04 MHz. 12E1, APLL1 frequency = 98.304 MHz. 16E1, APLL1 frequency = 131.072 MHz. 24DS1, APLL1 frequency = 148.224 MHz. 16DS1, APLL1 frequency = 98.816 MHz. Not used. Not used. Note...001 is the only selection that does not bypass APLL3. All other selections use digital feedback. Address (hex): 66 Register Name cnfg_DPLL2_bw Description (R/W) Register to configure the bandwidth of DPLL2. Default Value 0000 0000 Bit 7Bit 6 Bit 5Bit 4 Bit 3 Bit 2Bit 1Bit 0 DPLL2_bandwidth Bit No. Description Bit Value Value Description [7:2] Not used. - - |
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