LH28F320S5-L100 Просмотр технического описания (PDF) - Sharp Electronics

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LH28F320S5-L100

Flash Memory 32M (4MB × 8 / 2M × 16)

Sharp Electronics 

sharp

LHF32K10

14

4.5.2 CFI Query Identification String

The Identification String provides verification that the component supports the Common Flash Interface

specification. Additionally, it indicates which version of the spec and which Vendor-specified command set(s) is(are)

supported.

Offset

(Word Address)

10H,11H,12H

13H,14H

15H,16H

17H,18H

19H,1AH

Table 8. CFI Query Identification String

Length

Description

03H Query Unique ASCII string "QRY"

51H,52H,59H

02H Primary Vendor Command Set and Control Interface ID Code

01H,00H (SCS ID Code)

02H Address for Primary Algorithm Extended Query Table

31H,00H (SCS Extended Query Table Offset)

02H Alternate Vendor Command Set and Control Interface ID Code

0000H (0000H means that no alternate exists)

02H Address for Alternate Algorithm Extended Query Table

0000H (0000H means that no alternate exists)

4.5.3 System Interface Information

The following device information can be useful in optimizing system interface software.

Offset

(Word Address)

1BH

1CH

1DH

1EH

1FH

20H

21H

22H

23H

24H

25H

26H

Length

01H

01H

01H

01H

01H

01H

01H

01H

01H

01H

01H

01H

Table 9. System Information String

Description

VCC Logic Supply Minimum Write/Erase voltage

45H (4.5V)

VCC Logic Supply Maximum Write/Erase voltage

55H (5.5V)

VPP Programming Supply Minimum Write/Erase voltage

45H (4.5V)

VPP Programming Supply Maximum Write/Erase voltage

55H (5.5V)

Typical Timeout per Single Byte/Word Write

04H (24=16µs)

Typical Timeout for Maximum Size Buffer Write (32 Bytes)

06H (26=64µs)

Typical Timeout per Individual Block Erase

09H (09H=9, 29=512ms)

Typical Timeout for Full Chip Erase

0FH (0FH=15, 215=32768ms)

Maximum Timeout per Single Byte/Word Write, 2N times of typical.

04H (24=16, 16µsx16=256µs)

Maximum Timeout Maximum Size Buffer Write, 2N times of typical.

04H (24=16, 64µsx16=1024µs)

Maximum Timeout per Individual Block Erase, 2N times of typical.

04H (24=16, 1024msx16=16384ms)

Maximum Timeout for Full Chip Erase, 2N times of typical.

04H (24=16, 32768msx16=524288ms)

Rev. 1.55

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