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AMD-K6-2E/233AMZ Datasheet(PDF) 111 Page - Advanced Micro Devices |
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AMD-K6-2E/233AMZ Datasheet(HTML) 111 Page - Advanced Micro Devices |
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111 / 332 page ![]() Chapter 5 Signal Descriptions 93 22529B/0—January 2000 AMD-K6™-2E Processor Data Sheet Preliminary Information 5.10 BF[2:0] (Bus Frequency) Pin Attributes Inputs, Internal Pullups Pin Location See “Pin Designations by Functional Grouping” on page 301. Summary BF[2:0] determine the internal operating frequency of the processor. The frequency of the CLK input signal is multiplied internally by a ratio determined by the state of these signals as defined in Table 16. BF[2:0] have weak internal pullups and default to the 3.5 multiplier if left unconnected. Sampled BF[2:0] are sampled during the falling transition of RESET. They must meet a minimum setup time of 1.0 ms and a minimum hold time of two clocks relative to the negation of RESET. Table 16. Processor-to-Bus Clock Ratios State of BF[2:0] Inputs Processor-Clock to Bus-Clock Ratio 100b 2.5x 101b 3.0x 111b 3.5x 010b 4.0x 000b 4.5x 001b 5.0x 011b 5.5x 110b 6.0x |
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