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TMS570LS bảng dữ liệu(PDF) 61 Page - Texas Instruments |
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TMS570LS bảng dữ liệu(HTML) 61 Page - Texas Instruments |
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61 / 107 page ![]() TMS570LS20206-EP, TMS570LS20216-EP www.ti.com SPNS209A – JUNE 2012 – REVISED AUGUST 2012 5.3 PLL Registers The default values for the PLL (Phase Locked Loop) control registers are shown in this section. PLLCTL1 and PLLCTL2 are used to configure PLL1 (F035 FMzPLL) and PLLCTL3 is used to configure PLL2 (F035 FPLL). Figure 5-4. PLLCTL1 Register (Location: 0xFFFF FF70) 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 ROS BPOS[1:0] PLLDIV[4:0] ROF RESV REFCLKDIV[5:0] R/WP- R/WP-01 R/WP-01111 R/WP- R-0 R/WP-000010 0 0 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 PLLMUL[15:0] R/WP-0101111100000000 LEGEND: R/W = Read/Write; R = Read only; -n = value after reset; D= device specific PLLCTL1 Default = 0x2F025F00 Figure 5-5. PLLCTL2 Register (Location: 0xFFFF FF74) 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 FMEN SPREADINGRATE[8:0] RESV EWADJ[8:4] A R/WP- R/WP-111111111 R-0 R/WP-00000 0 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 BWADJ[3:0] ODPLL SPR_AMOUNT[8:0] R/WP-0111 R/WP-001 R/WP-000000000 LEGEND: R/W = Read/Write; R = Read only; -n = value after reset; D = device specific PLLCTL2 Default = 0x7FC07200 NOTE There are several combinations of the modulation depth and modulation frequency that are not allowed. Valid settings for this device include the list in Table 7-2. Figure 5-6. PLLCTL3 Register (Location: 0xFFFF E100) 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 RESERVED OSC RESERVED DIV R/W-000000000 R/WP- R/W-000000 0 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 RESERVED PLL_MUL[3:0] RESERVED PLL_DIV [2:0] R/W-000000 R/WP-011 R/W-00000 R/WP 111 LEGEND: R/W = Read/Write; R = Read only; -n = value after reset; D= device specific PLLCTL3 Default = 0x00000307 Copyright © 2012, Texas Instruments Incorporated Device Registers 61 Submit Documentation Feedback Product Folder Link(s): TMS570LS20206-EP TMS570LS20216-EP |
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