參數(shù)資料
型號: FDC37C666GT
廠商: STANDARD MICROSYSTEMS CORP
元件分類: 存儲控制器/管理單元
英文描述: High-Performance Multi-Mode Parallel Port Super I/O Floppy Disk Controllers
中文描述: 1 Mbps, IDE COMPATIBLE, FLOPPY DISK DRIVE CONTROLLER, PQFP100
封裝: QFP-100
文件頁數(shù): 41/152頁
文件大?。?/td> 621K
代理商: FDC37C666GT
41
Table 19 - Status Register 2
NAME
Unused. This bit is always "0".
Control Mark
Any one of the following:
1.
Read Data command - the FDC encountered a
deleted data address mark.
2.
Read Deleted Data command - the FDC
encountered a data address mark.
Data Error in
Data Field
Wrong
Cylinder
from the track address maintained inside the FDC.
Unused. This bit is always "0".
Unused. This bit is always "0".
Bad Cylinder
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.
Missing Data
Address Mark
deleted data address mark.
BIT NO.
7
6
SYMBOL
DESCRIPTION
CM
5
DD
The FDC detected a CRC error in the data field.
4
WC
The track address from the sector ID field is different
3
2
1
BC
0
MD
The FDC cannot detect a data address mark or a
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