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Bits 14-12: PC Card Memory or I/O UDMA timing mode selected
Indicates the PC Card Memory or I/O UDMA timing mode selected by the card.
23. . . . PC Card I/O UDMA mode 0 selected
23. . . . PC Card I/O UDMA mode 1 selected
2
3
4
5
6
7
PC Card I/O UDMA mode 2 selected
PC Card I/O UDMA mode 3 selected
PC Card I/O UDMA mode 4 selected
PC Card I/O UDMA mode 5 selected
PC Card I/O UDMA mode 6 selected
Reserved
Bit 15: PC Card Memory and IO Modes Supported
10.7 Idle (97h or E3h)
This command causes the Card to set BSY, enter the Idle mode, clear BSY and generate an interrupt. If the sector
count is non-zero, it is interpreted as a timer count (each count is 5ms) and the automatic power down mode is
enabled. If the sector count is zero, the automatic power down mode is disabled. Note that this time base (5ms)
is different from the ATA specification. If no Idle command is performed, the card goes to sleep mode after 20ms.
Table 64 defines the Byte sequence of the Idle command.
Table 64: Idle
Task File Register
7
6
5
4
3
2
1
0
COMMAND
97h or E3h
DRIVE/HEAD
nu
nu
nu
D
nu
CYLINDER HI
CYLINDER LOW
SECTOR NUM
SECTOR COUNT
FEATURES
nu
nu
nu
Timer Count (5ms increments)
nu
10.8 Idle Immediate (95h or E1h)
This command causes the Card to set BSY, enter the Idle mode, clear BSY and generate an interrupt. Table 65
defines the Idle Immediate command Byte sequence.
Table 65: Idle Immediate
Task File Register
7
6
5
4
3
2
1
0
COMMAND
95h or E1h
DRIVE/HEAD
nu
nu
nu
D
nu
CYLINDER HI
CYLINDER LOW
SECTOR NUM
SECTOR COUNT
FEATURES
nu
nu
nu
nu
nu
10.9 Initialize Drive Parameters (91h)
This command enables the host to set the number of sectors per track and the number of heads per cylinder. Only
the Sector Count and the Card/Drive/Head registers are used by this command. Table 66 defines the Initialize Drive
Parameters command Byte sequence.
Swissbit AG
Industriestrasse 4
Swissbit reserves the right to change products or specifications without notice.
Revision: 1.51
CH-9552 Bronschhofen
Switzerland
www.swissbit.com
industrial@swissbit.com
C-300_data_sheet_CF-HxBK_Rev151.doc
Page 70 of 99
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