M28W640HCB70ZB6F datasheet(57/72 Pages) NUMONYX

57 / 72 page

M28W640HCT, M28W640HCB

Common Flash interface (CFI)

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Table 29.

Primary algorithm-specific extended query table

Offset

P = 35h(1)

Data

Description

Value

(P+0)h = 35h

0050h

Primary algorithm extended query table unique ASCII string ‘PRI’

‘P’

(P+1)h = 36h

0052h

‘R’

(P+2)h = 37h

0049h

‘I’

(P+3)h = 38h

0031h

Major version number, ASCII

‘1’

(P+4)h = 39h

0030h

Minor version number, ASCII

‘0’

(P+5)h = 3Ah

0066h

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’

Yes

(P+6)h = 3Bh

0000h

(P+7)h = 3Ch

0000h

(P+8)h = 3Dh

0000h

(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’

Yes

(P+A)h = 3Fh

0003h

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’

Yes

(P+B)h = 40h

0000h

(P+C)h = 41h

0030h

VDD logic supply optimum Program/Erase voltage (highest

performance)

bit 7 to 4HEX value in volts

bit 3 to 0BCD value in 100 mV

(P+D)h = 42h

00C0h

VPP supply optimum Program/Erase voltage

bit 7 to 4HEX value in volts

bit 3 to 0BCD value in 100 mV

12 V

(P+E)h = 43h

0001h

Number of protection register fields in JEDEC ID space.

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

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