W83627UHG Nuvoton Technology Corporation of America, W83627UHG Datasheet - Page 117

• Manufacturer Part Number: W83627UHG
• Description: IC I/O CONTROLLER 128-QFP
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W83627UHG

• Applications: PC's, PDA's
• Interface: LPC
• Voltage - Supply: 3.3V, 5V
• Package / Case: 128-XFQFN
• Mounting Type: Surface Mount
• Pin Count: 128
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Status Register 1 (ST1)
Status Register 2 (ST2)
NAME
NAME
BIT
BIT
BIT
BIT
7
6
5
4
3
2
1
0
7
6
5
4
3
2
EN (End of Track). 1 will be written to this bit if the FDC tries to access a sector beyond
the final sector or a cylinder.
Not Used. This bit is always 0.
DE (Data Error). 1 will be written to this bit if the FDC detects a CRC error in either the ID
field or the data field.
OR (Over Run). 1 will be written to this bit if the FDC is not served by the host system
within a certain time interval during data transfer.
Not Used. This bit is always 0.
ND (No Data). 1 will be written to this bit if the specified sector cannot be found during
execution of a read, write or verity data.
NW (Not Writable). 1 will be written to this bit if a write protect signal is detected from the
diskette drive during execution of write data.
MAM (Missing Address Mark). 1 will be written to this bit if the FDC cannot detect the
data address mark or the data address mark has been deleted.
Not used. This bit is always 0.
CM (Control Mark).
1: During execution of the read data or scan command.
0: No error.
DD (Data error in the Data field).
1: If the FDC detects a CRC error in the data field.
0: No error.
WC (Wrong Cylinder).
1: Indicates wrong cylinder.
SH (Scan Equal Hit).
1: During execution of the Scan command, if the equal condition is satisfied.
0: No error.
SN (Scan Not Satisfied).
1: During execution of the Scan command.
0: No error.
EN
7
7
Not Used
CM
6
6
OE
DD
5
5
-106-
DESCRIPTION
DESCRIPTION
WC
OR
4
4
Not Used
SH
3
3
ND
SN
2
2
W83627UHG
NW
BC
1
1
MAM
MD
0
0