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STPCC01 数据表(PDF) 27 Page - STMicroelectronics |
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STPCC01 数据表(HTML) 27 Page - STMicroelectronics |
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27 / 51 page ![]() STRAP OPTION 27/51 Issue 1.2 3. STRAP OPTION This chapter defines the STPC Consumer Strap Options and their location Memory Data Lines Note Refer to Designation Location Actual Settings Set to ’0’ Set to ’1’ MD0 1 Index 4A, Bit 0 User defined COLOR_KEY SMEMW# MD1 - Reserved - - - - MD2 2 DRAM Bank 1 Speed Index 4A, bit 2 User defined 70 ns 60 ns MD3 2 Speed Index 4A, bit 3 Pull up MD4 2 Type Index 4A,bit 4 User defined EDO FPM MD5 2 DRAM Bank 0 Speed Index 4A,bit 5 User defined 70 ns 60 ns MD6 2 Speed Index 4A,bit 6 Pull up - - MD7 2 Type Index 4A, bit 7 User defined EDO FPM MD8 2 - Reserved Index4B,bit0 Pull up - - MD9 2 - Reserved Index4B,bit1 - - - MD10 2 DRAM Bank 3 Speed Index 4B,bit 2 User defined 70 ns 60 ns MD11 2 Speed Index 4B,bit 3 Pull up - - MD12 2 Type Index 4B,bit 4 User defined EDO FPM MD13 2 DRAM Bank 2 Speed Index 4B,bit 5 User defined 70 ns 60 ns MD14 2 Speed Index 4B, bit 6 Pull up - - MD15 2 Type Index 4B,bit 7 User defined EDO FPM MD16 - Reserved Index 4C,bit 0 Pull up - - MD17 PCI Clock PCI_CLKO Divisor Index 4C,bit 1 User defined HCLK / 2 HCLK / 3 MD18 - Reserved Index 4C,bit 2 Pull up - - MD19 - Reserved Index 4C,bit 3 Pull up - - MD20 - Reserved Index 4C, bit4 Pull up - - MD21 - Reserved Index 5F, bit 0 Pull up - - MD22 - Reserved Index 5F, bit 1 Pull up - - MD23 - Reserved Index 5F,bit 2 Pull up - - MD24 HCLK HCLK PLL Speed Index 5F,bit 3 User defined 000 25 MHz MD25 Index 5F,bit 4 User defined 001 33 MHz MD26 Index 5F,bit 5 User defined 010 40 MHz User defined 011 50 MHz User defined 100 60 MHz User defined 101 66 MHz User defined 110 75 MHz User defined 111 80 MHz MD27 - Reserved - Pull down - - MD28 - Reserved - Pull down - - MD29 - Reserved - Pull down - - MD30 - Reserved - Pull down - - MD31 - Reserved - Pull down - - MD32 - Reserved - Pull down - - MD33 - Reserved - Pull down - - MD34 - Reserved - Pull down - - MD35 - Reserved - Pull down - - MD36 - Reserved - Pull up - - MD37 - Reserved - Pull up - - |
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