FDC37C665IR SMSC Corporation, FDC37C665IR Datasheet - Page 72

• 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

This byte reflects the value of the LOCK bit set
by the command byte.
ENHANCED DUMPREG
The DUMPREG command is designed to
support
application software development and debug.
To accommodate the LOCK command and the
enhanced PERPENDICULAR MODE command
the eighth byte of the DUMPREG command has
been modified to contain the additional data
from these two commands.
system
run-time
diagnostics
and
72
The FDC37C665IR was designed with software
compatibility in mind. It is a fully backwards-
compatible solution with the older generation
765A/B
implements on-board registers for compatibility
with the PS/2, as well as PC/AT and PC/XT,
floppy disk controller subsystems. After a
hardware reset of the FDC, all registers,
functions and enhancements default to a PC/AT,
PS/2 or PS/2 Model 30 compatible operating
mode, depending on how the IDENT and MFM
bits are configured by the system bios.
COMPATIBILITY
disk
controllers.
The
FDC
also