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MPC5565 датащи(PDF) 24 Page - Freescale Semiconductor, Inc |
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MPC5565 датащи(HTML) 24 Page - Freescale Semiconductor, Inc |
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24 / 54 page ![]() MPC5565 Microcontroller Data Sheet, Rev. 2.0 Electrical Characteristics Freescale Semiconductor 24 Table 16 shows the FLASH_BIU settings versus frequency of operation. Refer to the device reference manual for definitions of these bit fields. 3.12 AC Specifications 3.12.1 Pad AC Specifications Table 16. FLASH_BIU Settings vs. Frequency of Operation 1 1 Illegal combinations exist. Use entries from the same row in this table. Maximum Frequency (MHz) APC RWSC WWSC DPFEN 2 2 For maximum flash performance, set to 0b11. IPFEN 2 PFLIM 3 3 For maximum flash performance, set to 0b110. BFEN 4 4 For maximum flash performance, set to 0b1. Up to and including 82 MHz 5 5 82 MHz parts allow for 80 MHz system clock + 2% frequency modulation (FM). 0b001 0b001 0b01 0b00 0b01 0b11 0b00 0b01 0b11 0b000 to 0b110 0b0 0b1 Up to and including 102 MHz 6 6 102 MHz parts allow for 100 MHz system clock + 2% FM. 0b001 0b010 0b01 0b00 0b01 0b11 0b00 0b01 0b11 0b000 to 0b110 0b0 0b1 Up to and including 135 MHz 7 7 135 MHz parts allow for 132 MHz system clock + 2% FM. 0b010 0b011 0b01 0b00 0b01 0b11 0b00 0b01 0b11 0b000 to 0b110 0b0 0b1 Default setting after reset 0b111 0b111 0b11 0b00 0b00 0b000 0b0 Table 17. Pad AC Specifications (VDDEH = 5.0 V, VDDE = 1.8 V) 1 Spec Pad SRC / DSC (binary) Out Delay 2, 3, 4 (ns) Rise / Fall 4, 5 (ns) Load Drive (pF) 1 Slow high voltage (SH) 11 26 15 50 82 60 200 01 75 40 50 137 80 200 00 377 200 50 476 260 200 2 Medium high voltage (MH) 11 16 8 50 43 30 200 01 34 15 50 61 35 200 00 192 100 50 239 125 200 |
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