7782 datasheet(24/63 Pages) STMICROELECTRONICS

24 / 63 page

M58CR032C, M58CR032D

24/63

Table 7. Dual Bank Operations

Note: 1. For detailed description of command see Table 6, 36 and 37.

2. There is a Status Register for each bank; Status Register indicates bank state, not P/E.C. status.

3. Command must be written to an address within the block targeted by that command.

Table 8. Read Electronic Signature

Note: 1. Addresses are latched on the rising edge of L input.

2. ESA means Electronic Signature Address (see Read Electronic Signature)

Table 9. Read Block Protection

Note: 1. Addresses are latched on the rising edge of L input.

2. A locked block can only be unlocked with WP at VIH.

3. BA means Block Address. First cycle command address should indicate the bank of the block address.

Status of one

bank

Commands allowed in the other bank

Read

Array

Read

Status

Read

CFI

Program

Erase/

Erase

Resume

Program

Suspend

Erase

Suspend

Lock

Unlock

Idle

Yes

Reading

––––

Programming

Yes

–

Yes

Erasing

Yes

–

Yes

Program

Suspended

Yes

–

Yes

Erase

Suspended

Yes

–

Yes

–

Yes

Code

Device

Other

Addresses

DQ15-DQ0

Manufacturer Code

VIL

VIH

VIL

ESA (2)

0020h

Device Code

M58CR032C

VIL

VIH

VIL

VIH

ESA (2)

88C8h

M58CR032D

VIL

VIH

VIL

VIH

ESA (2)

88C9h

Block Status

Other

Address

DQ15-DQ0

Locked Block

VIL

VIH

VIL

VIH

BA (3)

0001

Unlocked Block

VIL

VIH

VIL

VIH

BA (3)

0000

Locked and Locked-Down Block

VIL

VIH

VIL

VIH

BA (3)

0003

Unlocked and Locked-Down

VIL

VIH

VIL

VIH

BA (3)

0002

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