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TMS320DM355CZCEA13 bảng dữ liệu(HTML) 73 Page - Texas Instruments |
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73 / 163 page  TMS320DM355 www.ti.com SPRS463G – SEPTEMBER 2007 – REVISED JUNE 2010 3.5.4 Supported Clocking Configurations for DM355-270 This section describes the only supported device clocking configurations for DM355-270. The DM355 supports either 24 MHz (typical) or 36 MHz reference clock (crystal or external oscillator input). Configurations are shown for both cases. Note : DM355-270 devices support only commercial temperature ranges. 3.5.4.1 Supported Clocking Configurations for DM355-270 (24 MHz reference) 3.5.4.1.1 DM355-270 PLL1 (24 MHz reference) All supported clocking configurations for DM355-270 PLL1 with 24 MHz reference clock are shown in Table 3-10. Table 3-10. PLL1 Supported Clocking Configurations for DM355-270 (24 MHz reference) PREDIV PLLM POSTDIV PLL1 ARM / Peripherals VENC VPSS VCO MPEG4 and JPEG Coprocessor (/8 fixed) (m programmable) (/2 or /1 (MHz) PLLDIV1 SYSCLK1 PLLDIV2 SYSCLK2 PLLDIV3 SYSCLK3 PLLDIV4 SYSCLK4 programmable) (/2 fixed) (MHz) (/4 fixed) (MHz) (/n programmable) (MHz) (/4 or /2 (MHz) programmable) bypass bypass bypass bypass 2 12 4 6 10 2.4 4 6 8 180 1 540 2 270 4 135 20 27 4 135 8 171 1 513 2 256.5 4 128.25 19 27 4 128.25 8 162 1 486 2 243 4 121.5 18 27 4 121.5 8 153 1 459 2 229.5 4 114.75 17 27 4 114.75 8 144 1 432 2 216 4 108 16 27 4 108 8 135 1 405 2 202.5 4 101.25 15 27 4 101.25 8 126 1 378 2 189 4 94.5 14 27 4 94.5 8 117 1 351 2 175.5 4 87.75 13 27 4 87.75 8 108 1 324 2 162 4 81 12 27 4 81 8 99 1 297 2 148.5 4 74.25 11 27 4 74.25 8 180 2 270 2 135 4 67.5 10 27 2 135 8 162 2 243 2 121.5 4 60.75 9 27 2 121.5 8 144 2 216 2 108 4 54 8 27 2 108 8 126 2 189 2 94.5 4 47.25 7 27 2 94.5 8 108 2 162 2 81 4 40.5 6 27 2 81 3.5.4.1.2 DM355-270 PLL2 (24 MHz reference) All supported clocking configurations for DM355-270 PLL2 with 24 MHz reference clock are shown in Table 3-11. Table 3-11. PLL2 Supported Clocking Configurations for DM355-270 (24 MHz reference) PREDIV PLLM POSTDIV PLL2 VCO DDR PHY DDR Clock (/n programmable) (m programmable) (/1 fixed) (MHz) PLLDIV1 SYSCLK1 DDR_CLK (/1 fixed) (MHz) (MHz) bypass bypass bypass bypass 1 24 12 8 144 1 432 1 432 216 8 138 1 414 1 414 207 8 132 1 396 1 396 198 8 126 1 378 1 378 189 8 120 1 360 1 360 180 8 114 1 342 1 342 171 8 108 1 324 1 324 162 8 102 1 306 1 306 153 8 96 1 288 1 288 144 12 133 1 266 1 266 133 Copyright © 2007–2010, Texas Instruments Incorporated Detailed Device Description 73 Submit Documentation Feedback Product Folder Link(s): TMS320DM355 |
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