MD1050-DCC M-Systems Inc., MD1050-DCC Datasheet - Page 23

• Manufacturer Part Number: MD1050-DCC
• Description: Diskonchip Ide Pro Data Sheet
• Manufacturer: M-Systems Inc.

5.1.4
This command causes DiskOnChip IDE Pro to set BSY, enter Idle mode, clear BSY and generate an
interrupt. If the sector count is not 0, it is intercepted as a timer count (with a time base of 5
milliseconds, which differs from the ATA specification) and automatic Power-Down mode is
enabled. If the sector count is 0, automatic Power-Down mode is disabled.
22
Sector Number
Cylinder High
Sector Count
Cylinder Low
Device/Head
Command
Register
Register
Features
Status
Error
Idle – 97h, E3h
BSY
R
7
7
0
DRDY
UNC
DiskOnChip IDE Pro Data Sheet, Rev. 1.5
6
6
0
MC
DF
5
5
0
0
Timer Count (5 msec increments)
OUTPUT
INPUT
IDNF
DSC
D
4
4
1
0
E3h or 97h
MCR
DRQ
3
0
0
3
CORR
ABRT
2
0
2
TKONF
IDX
1
1
0
0
91-SR-012-01-8L
AMNF
ERR
0
0
0