SanDisk SDCFH-004G Product Manual - Page 67

Word 164: CF Advanced PCMCIA I/O and Memory Timing Mode Capabilities and Set

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SanDisk CompactFlash Card OEM Product Manual ATA Command Description Word 164: CF Advanced PCMCIA I/O and Memory Timing Mode Capabilities and Settings. This word describes the capabilities and current settings for CFA defined advanced timing modes using the Memory and PCMCIA I/O interface. • Bits 2-0: Maximum Advanced PCMCIA I/O Mode Support Indicates the maximum I/O timing mode supported by the card. Value 0 1 2 3 4-7 Maximum PCMCIA I/O Timing Mode Supported 255 ns Cycle PCMCIA I/O Mode 120 ns Cycle PCMCIA I/O Mode 100 ns Cycle PCMCIA I/O Mode 80 ns Cycle PCMCIA I/O Mode Reserved • Bits 5-3: Maximum Memory Timing Mode Supported Indicates the Maximum Memory timing mode supported by the card. Value 0 1 2 3 4-7 Maximum Memory Timing Mode Supported 250 ns Cycle Memory Mode 120 ns Cycle Memory Mode 100 ns Cycle Memory Mode 80 ns Cycle Memory Mode Reserved • Bits 15-6: Reserved 5.1.6 Idle-97H, E3H This command causes the card to set BSY, enter the Idle (Read) mode, clear BSY and generate an interrupt. If the sector count is non-zero, it is interpreted as a timer count with each count being 5 milliseconds and the automatic power down mode is enabled. If the sector count is zero, the automatic power down mode is disabled. NOTE: This time base (5 msec) is different from the ATA specification. Table 5-13 Idle Bit Command (7) C/D/H (6) Cyl High (5) Cyl Low (4) Sec Num (3) Sec Cnt (2) Feature (1) 7 6 5 4 3 2 1 0 E3H or 97H X Drive X X X X Timer Count (5 ms increments) X © 2007 SanDisk Corporation 5-13 Rev. 12.0, 02/07

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SanDisk CompactFlash Card OEM Product Manual
ATA Command Description
Word 164: CF Advanced PCMCIA I/O and Memory Timing Mode Capabilities and Set-
tings.
This word describes the capabilities and current settings for CFA defined advanced
timing modes using the Memory and PCMCIA I/O interface.
•
Bits 2-0: Maximum Advanced PCMCIA I/O Mode Support
Indicates the maximum I/O timing mode supported by the card.
Value
Maximum PCMCIA I/O Timing Mode Supported
0
255 ns Cycle PCMCIA I/O Mode
1
120 ns Cycle PCMCIA I/O Mode
2
100 ns Cycle PCMCIA I/O Mode
3
80 ns Cycle PCMCIA I/O Mode
4-7
Reserved
•
Bits 5-3: Maximum Memory Timing Mode Supported
Indicates the Maximum Memory timing mode supported by the card.
Value
Maximum Memory Timing Mode Supported
0
250 ns Cycle Memory Mode
1
120 ns Cycle Memory Mode
2
100 ns Cycle Memory Mode
3
80 ns Cycle Memory Mode
4-7
Reserved
•
Bits 15-6: Reserved
5.1.6
Idle–97H, E3H
This command causes the card to set BSY, enter the Idle (Read) mode, clear BSY and generate
an interrupt. If the sector count is non-zero, it is interpreted as a timer count with each count
being 5 milliseconds and the automatic power down mode is enabled. If the sector count is
zero, the automatic power down mode is disabled.
NOTE
:
This time base (5 msec) is different from the ATA specification.
Table 5-13
Idle
Bit
7
6
5
4
3
2
1
0
Command (7)
E3H or 97H
C/D/H (6)
X
Drive
X
Cyl High (5)
X
Cyl Low (4)
X
Sec Num (3)
X
Sec Cnt (2)
Timer Count (5 ms increments)
Feature (1)
X
© 2007 SanDisk Corporation
5-13
Rev. 12.0, 02/07