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FDC37C665GT Datenblatt(PDF) 11 Page - SMSC Corporation |
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FDC37C665GT Datenblatt(HTML) 11 Page - SMSC Corporation |
11 / 152 page 11 DESCRIPTION OF PIN FUNCTIONS PIN NO. NAME SYMBOL BUFFER TYPE DESCRIPTION 83 nData Terminal Ready IDE Configuration Control nDTR1 IDECF O4 I Active low Data Terminal Ready output for primary serial port. Handshake output signal notifies modem that the UART is ready to establish data communication link. This signal can be programmed by writing to bit 0 of Modem Control Register (MCR). The hardware reset will reset the nDTR signal to inactive mode (high). Forced inactive during loop mode operation. FDC37C666GT (Adapter Mode): IDE Configuration Control. During reset active this input is read and latched to enable/disable the IDE. 93 nData Terminal Ready Secondary Serial Port Configuration Control 1 nDTR2 S2CF1 O4 I Active low Data Terminal Ready output for secondary serial port. Handshake output signal notifies modem that the UART is ready to establish data communication link. This signal can be programmed by writing to bit 0 of Modem Control Register (MCR), The hardware reset will reset the nDTR signal to inactive mode (high). Forced inactive during loop mode operation. FDC37C666GT (Adapter Mode): Secondary Serial Port Configuration Control 1. During reset active this input is read and latched to define the address of the Secondary Serial Port. 89 Transmit Data 2 TXD2 FDCCF O4 I Transmitter Serial Data output from Secondary Serial Port. FDC37C666GT (Adapter Mode): Floppy Disk Configuration. This input is read and latched during Reset to enable/disable the Floppy Disk Controller. |
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Ähnliche Beschreibung - FDC37C665GT |
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