SanDisk SDCFX-256-786 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