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LPC47M182 Datasheet(PDF) 19 Page - SMSC Corporation |
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LPC47M182 Datasheet(HTML) 19 Page - SMSC Corporation |
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19 / 223 page  Advanced I/O Controller with Motherboard GLUE Logic Datasheet SMSC LPC47M182 19 Revision 1.8 SMSC/Non-SMSC Register Sets (02-24-05) DATASHEET PIN# NAME (NOTE 1) DESCRIPTION BUFFER NAME (NOTE 2) PWR WELL (NOTE 3) NOTES 45 nERROR A low on this input from the printer indicates that there is an error condition at the printer. Bit 3 of the Printer Status register reads the nERR input. Refer to Parallel Port description for use of this pin in ECP and EPP mode. I VCC 47 nSLCTIN This active low output selects the printer. This is the complement of bit 3 of the Printer Control Register. Refer to Parallel Port description for use of this pin in ECP and EPP mode. Can be Configured as an Open-Drain Output. OP14 VCC 48 nINITP This output is bit 2 of the printer control register. This is used to initiate the printer when low. Refer to Parallel Port description for use of this pin in ECP and EPP mode. Can be configured as an Open-Drain Output. OP14 VCC 50 nALF This output goes low to cause the printer to automatically feed one line after each line is printed. The nALF output is the complement of bit 1 of the Printer Control Register. Refer to Parallel Port description for use of this pin in ECP and EPP mode. Can be configured as an Open-Drain Output. OP14 VCC 51 nSTROBE An active low pulse on this output is used to strobe the printer data into the printer. The nSTROBE output is the complement of bit 0 of the Printer Control Register. Refer to Parallel Port description for use of this pin in ECP and EPP mode. Can be configured as an Open-Drain Output. OP14 VCC KEYBOARD/MOUSE INTERFACE (6) 1 MCLK Mouse Clock I/O IOD24 VCC 2 MDAT Mouse Data I/O IOD24 VCC 6 3 KCLK Keyboard Clock I/O IOD24 VCC 4 KDAT Keyboard Data I/O IOD24 VCC 6 5 GA20M Gate A20 Open-Drain Output OD8 VCC 7 7 nKBDRST Keyboard Reset Open-Drain Output OD8 VCC 7 GLUE PINS (29) 64 nIDE_RSTDRV IDE Reset Output OD8 VCC 3 66 nHD_LED Hard Drive Front Panel LED Open-Drain Output OD12 VCC 3 67 nPRIMARY_ HD IDE Primary Drive Active Input ISPU_400 VCC 68 nSECONDARY _HD IDE Secondary Drive Active Input ISPU_400 VCC 69 nSCSI SCSI Drive Active Input ISPU_400 VCC |
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