SST55LD019C datasheet(29/79 Pages) SST

29 / 79 page

Data Sheet

ATA Flash Disk Controller

SST55LD019A / SST55LD019B / SST55LD019C

S71241-04-000

12/06

11.2.1.6.1 Word 0: General Configuration

This field informs the host that this is a non-magnetic, hard sectored, removable storage device with a

transfer rate greater than 10 MByte/sec and is not MFM encoded.

11.2.1.6.2 Word 1: Default Number of Cylinders

This field contains the number of translated cylinders in the default translation mode. This value will be

the same as the number of cylinders.

11.2.1.6.3 Word 3: Default Number of Heads

This field contains the number of translated heads in the default translation mode.

11.2.1.6.4 Word 6: Default Number of Sectors per Track

This field contains the number of sectors per track in the default translation mode.

11.2.1.6.5 Word 7-8: Number of Sectors

This field contains the number of sectors per ATA Flash Disk Controller. This double word value is also

the first invalid address in LBA translation mode. This field is only required by CF feature set support.

11.2.1.6.6 Word 10-19: Serial Number

The contents of this field are right justified and padded with spaces (20H). The right-most ten bytes are

a SST preset, unique ID. The left-most ten bytes are a user-programmable value with a default value of

spaces.

11.2.1.6.7 Word 20: Buffer Type

This field defines the buffer capability:

0002H: a dual ported multi-sector buffer capable of simultaneous data transfers to or from the host and

the ATA Flash Disk Controller.

11.2.1.6.8 Word 21: Buffer Size

This field defines the buffer capacity in 512 Byte increments. SST’s ATA Flash Disk Controller has up to

2 sector data buffer for host interface.

11.2.1.6.9 Word 22: ECC Count

This field defines the number of ECC bytes used on each sector in the Read- and Write-Long-Sector

commands.

xxxxH

Time required for enhanced security erase unit completion

xxxxH

Current advanced power management value

92-127

0000H

Reserved

128

xxxxH

Security Status

129-159

0000H

Vendor unique bytes

160

xxxxH

CFA power mode description

161-255

0000H

190

Reserved

T11-4.3 1241

1. bbbb - default value set by controller. The selections could be user programmable.

2. n - calculated data based on product configuration

3. eeee - the default value is 2020H

4. dddd - unique number of each device

5. aaaa - any unique SST firmware revision

6. cccc - default value is “xxxMB ATA Flash Disk” where xxx is the flash drive capacity.

The user has an option to change the model number during manufacturing.

TABLE11-4:Identify-Drive Information

Word

Address

Default

Value

Total

Bytes

Data Field Type Information

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