FDC37C669_07 SMSC [SMSC Corporation], FDC37C669_07 Datasheet - Page 126
FDC37C669_07
Manufacturer Part Number
FDC37C669_07
Description
PC 98/99 Compliant Super I/O Floppy Disk Controller with Infrared Support
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.FDC37C669_07.pdf
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CR07
This register can only be accessed in the
Configuration Mode and after the CSR has
been initialized to 07H. The default value of
BIT NO.
0,1
2
3
4
5
6
7
UART 2 Enable This bit controls the AUTOPOWER DOWN feature of the
UART 1 Enable This bit controls the AUTOPOWER DOWN feature of the
Parallel Port
Floppy Boot
Floppy Disk
BIT NAME
Reserved
Reserved
Enable
Enable
This bit is used to define the boot floppy.
0 = Drive A (default)
1 = Drive B
Read as 0.
Read as 0.
This bit controls the AUTOPOWER DOWN feature of the
Parallel Port. The function is:
0 = Auto powerdown disabled (default)
1 = Auto powerdown enabled
This bit is reset to the default state by POR or a hardware reset.
UART2. The function is:
0 = Auto powerdown disabled (default)
1 = Auto powerdown enabled
This bit is reset to the default state by POR or a hardware reset.
UART1. The function is:
0 = Auto powerdown disabled (default)
1 = Auto powerdown enabled
This bit is reset to the default state by POR or a hardware reset.
This bit controls the AUTOPOWER DOWN feature of the Floppy
Disk. The function is:
0 = Auto powerdown disabled (default)
1 = Auto powerdown enabled
This bit is reset to the default state by POR or a hardware reset.
Table 53 - CR07
126
this register after power up is 00H. This register
holds the value for the auto power management,
and floppy boot drive.
DESCRIPTION
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