поискавой системы для электроныых деталей |
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LMK61E08 датащи(PDF) 35 Page - Texas Instruments |
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LMK61E08 датащи(HTML) 35 Page - Texas Instruments |
35 / 54 page 35 LMK61E08 www.ti.com SNAS805 – JUNE 2020 Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated 8.6.1.27 PLL_LF_R3 Register; R38 The PLL_LF_R3 register controls the value of the PLL Loop Filter R3. BIT NO. FIELD TYPE DEFAUL T EEPROM DESCRIPTION [7] RESERVED - - N Reserved. [6:0] PLL_LF_R3[6:0] RW 0x00 Y PLL Loop Filter R3. NOTE: Table below lists commonly used R3 values but more selections are available. PLL_LF_R3[6:0] R3 (Ω) 0 (0x00) 18 3 (0x03) 205 8 (0x08) 854 9 (0x09) 1136 12 (0x0C) 1535 17 (0x11) 1936 20 (0x14) 2335 8.6.1.28 PLL_LF_C3 Register; R39 The PLL_LF_C3 register controls the value of the PLL Loop Filter C3. BIT NO. FIELD TYPE DEFAUL T EEPROM DESCRIPTION [7:3] RESERVED - - N Reserved. [2:0] PLL_LF_C3[2:0] RW 0x7 Y PLL Loop Filter C3. The value in pF is given by 5 * PLL_LF_C3 (in decimal). 8.6.1.29 PLL_CALCTRL Register; R42 The PLL_CALCTRL register is described in the following table. BIT NO. FIELD TYPE DEFAUL T EEPROM DESCRIPTION [7:4] RESERVED - - N Reserved. [3:2] PLL_CLSDWAIT[1:0] RW 0x2 Y Closed Loop Wait Period. The CLSDWAIT field sets the closed loop wait period. Recommended value is 0x2. CLSDWAIT Anlog closed loop VCO stabilization time 0 (0x0) 150 µs 1 (0x1) 300 µs 2 (0x2) 500 µs 3 (0x3) 2000 µs [1:0] PLL_VCOWAIT[1:0] RW 0x1 Y VCO Wait Period. Recommended value is 0x1. VCOWAIT VCO stabilization time 0 (0x0) 20 µs 1 (0x1) 400 µs 2 (0x2) 4000 µs 3 (0x3) 10000 µs |
Аналогичный номер детали - LMK61E08 |
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Аналогичное описание - LMK61E08 |
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