SMC032BF datasheet(64/91 Pages) NUMONYX

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CF-ATA command description

SMCxxxBF

64/91

10.5

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. Table 55 defines the Byte sequence of the Idle command.

0407h

Multi-Word DMA transfer. In PCMCIA mode, this value is

‘0h’.

0003h

Advanced PIO modes supported

0050h

Minimum Multi-Word DMA transfer cycle time per Word. In

PCMCIA mode this value is ‘0h’.

0050h

Recommended Multi-Word DMA transfer cycle time. In

PCMCIA mode this value is ‘0h’.

0050h

Minimum PIO transfer cycle time without flow control

0050h

Minimum PIO transfer cycle time with IORDY flow control

69-128

0000h

120

Reserved

129-159

0000h

manufacturer unique Bytes

160-162

0000h

Reserved

163

0492h

CF Advanced True IDE Timing Mode Capability and Setting

164

001Bh

CF Advanced PCMCIA I/O and Memory Timing Mode

Capability

165-255

0000h

190

Reserved

Table 54.

Identify Drive Information (continued)

Word

Address

Default

Value

Total

Bytes

Data Field Type Information

Table 55.

Idle

Bit

6543210

Command (7)

97h or E3h

C/D/H (6)

Drive

Cyl High (5)

Cyl Low (4)

Sect Num (3)

Sect Cnt (2)

Timer Count (5ms increments)

Feature (1)

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