M28W320 데이터 시트보기 (PDF) - STMicroelectronics

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M28W320

32 Mbit (2Mb x16, Boot Block) 3V Supply Flash Memory

STMicroelectronics 

Common Flash Interface (CFI)

M28W320FCT, M28W320FCB

Table 30. Primary Algorithm-Specific Extended Query Table

Offset

P = 35h (1)

Data

Description

(P+0)h = 35h

(P+1)h = 36h

0050h

0052h

Primary Algorithm extended Query table unique ASCII string “PRI”

(P+2)h = 37h

(P+3)h = 38h

(P+4)h = 39h

(P+5)h = 3Ah

(P+6)h = 3Bh

(P+7)h = 3Ch

(P+8)h = 3Dh

0049h

0031h

0030h

0066h

0000h

0000h

0000h

Major version number, ASCII

Minor version number, ASCII

Extended Query table contents for Primary Algorithm. Address (P+5)h

contains less significant byte.

bit 0Chip Erase supported(1 = Yes, 0 = No)

bit 1Suspend Erase supported(1 = Yes, 0 = No)

bit 2Suspend Program supported(1 = Yes, 0 = No)

bit 3Legacy Lock/Unlock supported(1 = Yes, 0 = No)

bit 4Queued Erase supported(1 = Yes, 0 = No)

bit 5Instant individual block locking supported(1 = Yes, 0 = No)

bit 6Protection bits supported(1 = Yes, 0 = No)

bit 7Page mode read supported(1 = Yes, 0 = No)

bit 8Synchronous read supported(1 = Yes, 0 = No)

bit 31 to 9Reserved; undefined bits are ‘0’

(P+9)h = 3Eh

0001h

Supported Functions after Suspend

Read Array, Read Status Register and CFI Query are always supported

during Erase or Program operation

bit 0Program supported after Erase Suspend (1 = Yes, 0 = No)

bit 7 to 1Reserved; undefined bits are ‘0’

(P+A)h = 3Fh

(P+B)h = 40h

(P+C)h = 41h

(P+D)h = 42h

(P+E)h = 43h

0003h

0000h

0030h

00C0h

0001h

Block Lock Status

Defines which bits in the Block Status Register section of the Query are

implemented.

Address (P+A)h contains less significant byte

bit 0Block Lock Status Register Lock/Unlock bit active(1 = Yes, 0 = No)

bit 1Block Lock Status Register Lock-Down bit active (1 = Yes, 0 = No)

bit 15 to 2Reserved for future use; undefined bits are ‘0’

VDD Logic Supply Optimum Program/Erase voltage (highest performance)

bit 7 to 4HEX value in volts

bit 3 to 0BCD value in 100 mV

VPP Supply Optimum Program/Erase voltage

bit 7 to 4HEX value in volts

bit 3 to 0BCD value in 100 mV

Number of Protection register fields in JEDEC ID space.

"00h," indicates that 256 protection bytes are available

Value

"P"

"R"

"I"

"1"

"0"

No

Yes

Yes

No

No

Yes

Yes

No

No

Yes

Yes

Yes

3V

12V

01

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