ATA20 White Electronic Designs Corporation, ATA20 Datasheet - Page 42

• Manufacturer Part Number: ATA20
• Description: Density = 8MB-160MB ;; Memory Device = Hitachi Flash ;; Organization = X16/x8 ;; Speed (ns) = 250 ;; Volt = 3/5
• Manufacturer: White Electronic Designs Corporation

June 2000 Rev. 5 – ECO #12935
21. Stand By Immediate (code: E0H or 94H): This command causes the Card to set BSY, enter the Sleep
22. Translate Sector (code: 87H): This command allows the host a method of determining the exact
23. Wear Level (code: F5H): This command is effectively a NOP command and is only implemented for
24. Write Buffer (code: E8H): This command enables the host to overwrite contents of the Card's sector
25. Write Long Sector (code: 32H or 33H): This command is provided for compatibility purposes and is
26. Write Multiple (code: C5H): This command is similar to the Write Sectors command. Interrupts are
27. Write Multiple without Erase (code: CDH): This command is similar to the Write Multiple command
28. Write Sector(s) (code: 30H or 31H): This command writes from 1 to 256 sectors as specified in the
29. Write Sector(s) without Erase (code: 38H): This command is similar to the Write Sector(s) command
30. Write Verify (code: 3CH): This command is similar to the Write Sector(s) command, except each
7PxxxATA20xxC25
mode(which corresponds to the ATA "Standby" Mode), clear BSY and return the interrupt
immediately.
number of times a user sector has been erased and programmed.
backward compatibility.
buffer with any data pattern desired.
similar to the Write Sector(s) command except that it writes 516 bytes instead of 512 bytes.
not presented on each sector, but on the transfer of a block which contains the number of sectors
defined by Set Multiple command.
with the exception that an implied erase before write operation is not performed.
Sector Count register. A sector count of zero requests 256 sectors. The transfer begins at the sector
specified in the Sector Number register.
with the exception that an implied erase before write operation is not performed.
sector is verified immediately after being written.
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