5.3 Host Commands
C141-E050-02EN
5-39
At command issuance (I/O registers setting contents)
1F7
H
(CM)
1
1
1
0
1
1
1
1
1F6
H
(DH)
×
×
×
DV
xx
1F5
H
(CH)
1F4
H
(CL)
1F3
H
(SN)
1F2
H
(SC)
1F1
H
(FR)
xx
xx
xx
xx or transfer mode
[See Table 5.6]
At command completion (I/O registers contents to be read)
1F7
H
(ST)
Status information
1F6
H
(DH)
×
×
×
DV
xx
1F5
H
(CH)
1F4
H
(CL)
1F3
H
(SN)
1F2
H
(SC)
1F1
H
(ER)
xx
xx
xx
xx
Error information
The host sets X’03’ to the Features register. By issuing this command with
setting a value to the Sector Count register, the transfer mode can be selected.
Upper 5 bits of the Sector Count register defines the transfer type and lower 3 bits
specifies the binary mode value.
The IDD supports following values in the Sector Count register value. If other
value than below is specified, an ABORTED COMMAND error is posted.
PIO default transfer mode
00000 000 (X’00’)
PIO flow control transfer mode X
00001 000 (X’08’: Mode 0)
00001 001 (X’09’: Mode 1)
00001 010 (X’0A’: Mode 2)
00001 011 (X’0B’: Mode 3)
00001 100 (X’0C’: Mode 4)
Summary of Contents for MHC2032AT
Page 1: ...C141 E050 02EN MHC2032AT MHC2040AT MHD2032AT MHD2021AT DISK DRIVES PRODUCT MANUAL ...
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Page 38: ...3 2 Mounting C141 E050 02EN 3 3 Figure 3 1 Dimensions MHD series 2 2 ...
Page 48: ...3 4 Jumper Settings C141 E050 02EN 3 13 Figure 3 14 Example 2 of Cable Select ...
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Page 54: ...4 3 Circuit Configuration C141 E050 02EN 4 5 Figure 4 2 Circuit Configuration ...
Page 60: ...4 6 Read write Circuit C141 E050 02EN 4 11 Figure 4 4 Read write circuit block diagram ...
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Page 164: ...5 6 Timing C141 E050 02EN 5 93 Figure 5 10 Data transfer timing ...
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