LPC47M182 SMSC Corporation, LPC47M182 Datasheet - Page 52

• Manufacturer Part Number: LPC47M182
• Description: ADVANCED I/O CONTROLLER WITH MOTHERBOARD GLUE LOGIC
• Manufacturer: SMSC Corporation

Revision 1.8 SMSC/Non-SMSC Register Sets (02-24-05)
BIT NO.
BIT NO.
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
EN
DE
OR
ND
NW
MA
CM
DD
WC
BC
MD
SYMBOL
SYMBOL
End of
Cylinder
Data Error
Overrun/
Underrun
No Data
Not Writeable
Missing
Address Mark
Control Mark
Data Error in
Data Field
Wrong
Cylinder
Bad Cylinder
Missing Data
Address Mark
Table 6.13 - Status Register 1
Table 6.14 - Status Register 2
NAME
NAME
DATASHEET
The FDC tried to access a sector beyond the final sector
of the track (255D). Will be set if TC is not issued after
Read or Write Data command.
Unused. This bit is always "0".
The FDC detected a CRC error in either the ID field or
the data field of a sector.
Becomes set if the FDC does not receive CPU or DMA
service within the required time interval, resulting in data
overrun or underrun.
Unused. This bit is always "0".
Any one of the following:
1. Read Data, Read Deleted Data command - the FDC
2. Read ID command - the FDC cannot read the ID field
3. Read A Track command - the FDC cannot find the
WP pin became a "1" while the FDC is executing a Write
Data, Write Deleted Data, or Format A Track command.
Any one of the following:
1. The FDC did not detect an ID address mark at the
2.
Unused. This bit is always "0".
Any one of the following:
Read Data command - the FDC encountered a deleted
Read Deleted Data command - the FDC encountered a
The FDC detected a CRC error in the data field.
The track address from the sector ID field is different
from the track address maintained inside the FDC.
Unused. This bit is always "0".
Unused. This bit is always "0".
The track address from the sector ID field is different
from the track address maintained inside the FDC and is
equal to FF hex, which indicates a bad track with a hard
error according to the IBM soft-sectored format.
The FDC cannot detect a data address mark or a
deleted data address mark.
52
did not find the specified sector.
without an error.
proper sector sequence.
specified track after encountering the index pulse
from the nINDEX pin twice.
deleted data address mark on the specified track.
data address mark.
data address mark.
The FDC cannot detect a data address mark or a
DESCRIPTION
DESCRIPTION
Advanced I/O Controller with Motherboard GLUE Logic
SMSC LPC47M182
Datasheet