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PC87373 数据表(PDF) 15 Page - National Semiconductor (TI) |
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PC87373 数据表(HTML) 15 Page - National Semiconductor (TI) |
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15 / 174 page  1.0 Signal/Pin Connection and Description (Continued) 15 www.national.com Revision 1.1 1.3 PIN MULTIPLEXING Table 2 shows only multiplexed pins, their associated functional blocks and the configuration bits for the selection of the multiplexed options used in the PC87373. Table 2. Pin Multiplexing Configuration Pin Default Signal Function Block Alternate Signal Function Block Alternate Signal Function Block Configuration Select Strap or Wake-Up Function Block 30 DTR_BOUT1 Serial Port 1 XOR_OUT Config TEST (strap) BADDR Config (Straps) 26 RTS1 TRIS 27 SOUT1 TEST 32 RI1 RI1 SWC 119 RI2 Serial Port 2 RI2 3 KBCLK KBC KBCLK 4 KBDAT KBDAT 1 MCLK MCLK 2MDAT MDAT 103 GPIOE00 GPIO GPIOE00 104 GPIOE01 FANTACH3 FSCM SIOCF2.TACH3EN GPIOE01 105 GPIOE02 GPIOE02 106 GPIOE03 FANPWM1 FSCM SIOCF3.PWM1EN GPIOE03 108 GPIOE04 FANPWM2 FSCM SIOCF3.PWM2EN GPIOE04 109 GPIOE05 FANPWM2 FSCM SIOCF3.PWM2EN GPIOE05 111 GPIOE06 FANTACH1 FSCM SIOCF2.TACH1EN GPIOE06 112 GPIOE07 FANTACH2 SIOCF2.TACH2EN GPIOE07 116 5V_DDCSDA Glue Functions GPIOE10 GPIO JYBBT1 Game Port SIOCF2.GPIO03EN, SIOCF3.GMPEN GPIOE10 114 5V_DDCSCL GPIOE11 JYABT1 GPIOE11 115 3V_DDCSDA GPIOE12 JYBBT0 GPIOE12 113 3V_DDCSCL GPIOE13 JYABT0 GPIOE13 101 CDC_DWN_ ENAB GPIO14 Note1 1. Both CDC_DWN_ENAB and GPIO14 are simultaneously available at the device pin. 88 SMB2_SCL Glue Functions MDTX MIDI SIOCF4.MIDIEN 90 SMB2_SDA MDRX |
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