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SCF5249LPV120 데이터시트(PDF) 32 Page - Freescale Semiconductor, Inc |
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SCF5249LPV120 데이터시트(HTML) 32 Page - Freescale Semiconductor, Inc |
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32 / 56 page ![]() SCF5249 Integrated ColdFire® Microprocessor Data Sheet, Rev. 3 Electrical Characteristics Freescale Semiconductor 32 L4 QSPI_CS1 GPIO24 L8 QSPI_CS3 GPIO22 N8 SDRAM_CS2 GPIO7 P9 EBUOUT2 GPO37 K11 BUFENB2 GPIO17 G12 SUBR GPIO53 F13 SFSY GPIO52 F12 RCK GPIO51 E8 SRE GPIO11 B8 LRCK3 GPIO45 E7 SWE GPIO12 A7 SCLK3 GPIO49 Table 19. Clock Timing Specification NUM Characteristic Units Min Max CRIN Frequency1 11.29 33.86 MHz C5 PSTCLK cycle time 7.1 — nSec C6 PSTCLK duty cycle 40 60 % C7 BCLK cycle time 14.2 — nSec C8 BCLK duty cycle 45 55 % Note: There are only three choices for the valid Audio frequencies 11.29 MHz, 16.93 MHz, or 33.86 MHz; no other values are allowed. The System Clock is derived from one of these crystals via an internal PLL. Table 18. 160 MAPBGA Ball Assignments (continued) 160MAPBGA Ball Number Function GPIO |
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