SanDisk SDCFH-004G Product Manual - Page 85

CHAPTER 6 CIS Description This section describes the Card Information Structure (CIS) for SanDisk CompactFlash Memory cards. Table 6-1 Card Information Structure Attribute Offset 000h 002h 004h 006h 008h 00Ah 00Ch 00Eh 010h 012h 014h 016h 018h 01Ah 01Ch 01Eh 020h 022h 024h Data 01h 04h DFh 12h 79h Extreme III 01h FFh 1Ch 04h 03h D9h 01h FFh 18h 02h DFh 01h 20h 04h 45h 765 4 3 2 CISTPL_DEVICE 1 0 Dev ID Type W Dh = I/O 1 Speed Mantissa = 2h X X Speed Mantissa = Fh Speed 7h = Ext Speed Exponent = 2h Speed Exponent = 1h # Address Unit - 1 = 1x Side Code = 2k units List End Marker CISTPL_DEVICE_OC Reserved = 0 VCC W A I T Dev ID Type Dh = I/O W Speed = 1h 1 # Address Unit - 1 = 1x Side Code = 2k units List End Marker CISTPL_JEDEC_C PCMCIA JEDEC Manufacturer's ID PCMCIA Code for PC Card-ATA No Vpp Required CISTPL_MANFID Low Byte of PCMCIA Manufacturer's Code Content Description Device Info Tuple Link is 4 bytes I/O Device, Wait State, Extended Speed 120 ns if no wait 80 ns if no wait (One) 2 kB of Address Space End of Devices Other Conditions Info Tuple Link is 4 Bytes Conditions: 3V operation is allowed and WAIT is used CIS Function Tuple Code Link to next tuple Device ID, WPS, Speed Extended Speed Extended Speed Device Size End Marker Tuple Code Link to Next Tuple 3 V Operation, Wait Function I/O Device, WPS, Speed = 250 ns 2 kB of Address Space End of Devices JEDEC ID Common Memory Link is 2 bytes First byte of JEDEC ID for SanDisk PC Card ATA 12V Second Byte of JEDEC ID Manufacturer's ID Tuple Link is 4 bytes SanDisk JEDEC Manufacturer's ID Device ID, WPS, Speed Device Size End Marker Tuple Code Link Length Byte 1, JEDEC ID of Device 1 (0-2K) Byte 2, JEDEC ID Tuple Code Link Length Low Byte of PCMCIA Mfg ID © 2007 SanDisk Corporation 6-1 Rev. 12.0, 02/07