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STPC12GDYC 数据表(PDF) 34 Page - STMicroelectronics |
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STPC12GDYC 数据表(HTML) 34 Page - STMicroelectronics |
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34 / 111 page  STRAP OPTION 34/111 Issue 1.0 - July 24, 2002 MD 45 CPUCLK/HCKL Deskew Programming Not accessible User defined See Section 3.1.5. MD 46 Not accessible User defined MD 47 Reserved2 Not accessible Pull down - - MD 48 Reserved2 Not accessible Pull up - - MD 50 Internal UART2 (see Section 3.1.4. ) Index 4C,bit 0 User defined Disable Enable MD 51 Internal UART1 (see Section 3.1.4. ) Index 4C,bit 1 User defined Disable Enable MD 52 Internal Kbd / Mouse (see Section 3.1.4. ) Index 4C,bit 6 User defined Disable Enable MD 53 Internal Parallel Port (see Section 3.1.4. ) Index 4C,bit 7 User defined Disable Enable TC1 Reserved2 Hardware Pull up - - DACK_ENC[2]1 Reserved2 Hardware Pull up - - DACK_ENC[1]1 Reserved2 Hardware Pull up - - DACK_ENC[0]1 Reserved2 Hardware Pull up - - Signal Designation Location Actual Settings Set to ’0’ Set to ’1’ Note1: Strap options on TC/PA[3] and DACK_ENC[2:0]/PA[2:0] are required for all the STPC Atlas Configurations (ISA, PCMCIA, Local Bus). Note2: Must be implemented. |
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