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LPC47M192 数据表(PDF) 21 Page - SMSC Corporation |
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LPC47M192 数据表(HTML) 21 Page - SMSC Corporation |
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21 / 228 page ![]() SMSC DS – LPC47M192 Page 21 Rev. 03/30/05 DATASHEET GP21/P16/nDS1 if P16 or nDS1 function is used as Open Drain Output GP22/P12/nMTR1 if P12 or nMTR1 function is used as Open Drain Output GP27/nIO_SMI if nIO_SMI function is used GP42/nIO_PME if nIO_PME function is used SER_IRQ GP40/DRVDEN0 if DRVDEN0 function is used as an Open Drain. GP41/DRVDEN1 if DRVDEN1 function is used as an Open Drain. nMTR0 if used as an Open Drain Output nDS0 if used as an Open Drain Output nDIR if used as an Open Drain Output nSTEP if used as an Open Drain Output nWDATA if used as an Open Drain Output nWGATE if used as an Open Drain Output nHDSEL if used as an Open Drain Output nINDEX nTRK0 nWRTPRT nRDATA nDSKCHG GPIOs 4.2.2 HARDWARE MONITORING BLOCK PINS The following pins require external pullup resistors to 3.3V only: SCLK SDA A0/RESET#/THERM#/XNOR_OUT if the RESET# or THERM# function is used. This limits the SMBus address to 0101101 (unless external circuitry is provided). See section 7.18.2 SMBus Interface. VID0-VID3 12V_IN/VID4 if VID4 function is used. |
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