MD1050-DCC M-Systems Inc., MD1050-DCC Datasheet - Page 21
MD1050-DCC
Manufacturer Part Number
MD1050-DCC
Description
Diskonchip Ide Pro Data Sheet
Manufacturer
M-Systems Inc.
Datasheet
1.MD1050-DCC.pdf
(53 pages)
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5.1.3
The Identify Drive command enables the host to receive parameter information from DiskOnChip
IDE Pro. When the command is issued, the device performs the following sequence: sets the BSY
bit, prepares to transfer the 256 words of device identification data to the host, sets the DRQ bit,
clears the BSY bit, and generates an interrupt. The host can then transfer the data by reading the
Data register. All reserved bits or words are set to 0. See Table 5 to identify drive information for
this device.
20
Sector Number
Cylinder High
Sector Count
Cylinder Low
Device/Head
Command
Register
Register
Features
Status
Error
Identify Drive – ECh
BSY
R
7
7
0
DRDY
UNC
DiskOnChip IDE Pro Data Sheet, Rev. 1.5
6
6
0
MC
DF
5
5
0
0
OUTPUT
INPUT
IDNF
DSC
D
4
4
1
0
ECh
MCR
DRQ
3
0
3
CORR
ABRT
2
2
TKONF
IDX
1
1
0
0
91-SR-012-01-8L
AMNF
ERR
0
0
0
0
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