FDC37C665IR SMSC Corporation, FDC37C665IR Datasheet - Page 15

• Manufacturer Part Number: FDC37C665IR
• Description: 3/5 Volt Advanced High-Performance Multi-Mode Parallel Port Super I/O Floppy Disk Controller with Infranred Support
• Manufacturer: SMSC Corporation

Note 1: These active low open drain outputs select motor drives 0-3. In non-ECP modes, four drives
Note 2: Active low open drain outputs select drives 0-3. In non-ECP modes, four drives can be
can be supported directly. These motor enable bits are controlled by software via the Digital
Output Register (DOR). In ECP mode, MTR0, 1 can be used to directly support 2 drives or
can support 4 drives by using an external 2 to 4 decoder.
supported directly. These drive select outputs are a decode of bits 0 and 1 of the Digital
Output Register and qualified by the appropriate Motor Enable Bit of the DOR (bits 4-7). In
ECP mode, DS0,1 can be used to directly support 2 drives or can support 4 drives by using
an external 2 to 4 decoder.
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