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STPCINDUSTRIAL 数据表(PDF) 11 Page - STMicroelectronics |
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STPCINDUSTRIAL 数据表(HTML) 11 Page - STMicroelectronics |
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11 / 55 page  STRAP OPTION 11/55 Issue 1.1 2 STRAP OPTION This chapter defines the STPC Industrial Strap Options and their location Memory Data Lines Refer to Designation Location Actual Settings Set to ’0’ Set to ’1’ MD0 - Reserved - - - - MD1 - Reserved - - - - MD2 DRAM Bank 1 Speed Index 4A,bit 2 User defined 70 ns 60 ns MD3 Speed Index 4A,bit 3 Pull up MD4 Type Index 4A,bit 4 User defined EDO FPM MD5 DRAM Bank 0 Speed Index 4A,bit 5 User defined 70 ns 60 ns MD6 Speed Index 4A,bit 6 Pull up MD7 Type Index 4A,bit 7 User defined EDO FPM MD8 - Reserved - - - - MD9 - Reserved - - - - MD10 DRAM Bank 3 Speed Index 4B,bit 2 User defined 70 ns 60 ns MD11 Speed Index 4B,bit 3 Pull up MD12 Type Index 4B,bit 4 User defined EDO FPM MD13 DRAM Bank 2 Speed Index 4B,bit 5 User defined 70 ns 60 ns MD14 Speed Index 4B,bit 6 Pull up MD15 Type Index 4B,bit 7 User defined EDO FPM MD16 Reserved Index 4C,bit 0 MD17 PCI Clock PCI_CLKO Divisor Index 4C,bit 1 User defined HCLK / 3 HCLK / 2 MD18 Host Clock HCLK Pad Direction Index 4C,bit 2 User defined External Internal MD19 Graphics Clock GCLK2x Pad Direction Index 4C,bit 3 User defined External Internal MD20 DOT Clock DCLK Pad Direction Index 4C,bit 4 User defined External Internal MD21 Reserved Pull up MD22 External IPC Debug Option Index 5F,bit 1 Pull up External IPC Internal IPC 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 011 50 MHz 100 60 MHz 101 66 MHz 110 75 MHz 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 up MD34 Reserved Pull down MD35 Reserved Pull up MD 36 Reserved Pull up MD 37 Reserved Pull up MD 38 Reserved Pull up |
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