M28W320CT, M28W320CB

8/42

Table 7. Read Block Signature (RSIG Instruction)

Note: 1. A Locked Block can be protected ”DQ0 = 1” or unprotected ”DQ0 = 0”; see Block protection section.

Table 8. Read Protection Register and Protection Register Lock (RSIG Instruction)

Block Status

E

G

W

A0

A1

A2-A7

A8-A11

A12-A20

DQ0

DQ1

DQ2-DQ15

Protected Block

0

Don’t Care

Block Address

1

0

00h

Unprotected Block

0

Don’t Care

Block Address

0

0

00h

Locked Block

0

Don’t Care

Block Address

1

00h

Word

E

G

W

A0-A7

A8-A20

DQ0

DQ1

DQ2

DQ3-DQ7 DQ8-DQ15

Lock

80h

Don’t Care

0

OTP Prot.

data

Security

prot. data

00h

00h

Unique Id 0

81h

Don’t Care

ID data

ID data

ID data

ID data

ID data

Unique Id 1

82h

Don’t Care

ID data

ID data

ID data

ID data

ID data

Unique Id 2

83h

Don’t Care

ID data

ID data

ID data

ID data

ID data

Unique Id 3

84h

Don’t Care

ID data

ID data

ID data

ID data

ID data

OTP 0

85h

Don’t Care

OTP data

OTP data

OTP data

OTP data

OTP data

OTP 1

86h

Don’t Care

OTP data

OTP data

OTP data

OTP data

OTP data

OTP 2

87h

Don’t Care

OTP data

OTP data

OTP data

OTP data

OTP data

OTP 3

88h

Don’t Care

OTP data

OTP data

OTP data

OTP data

OTP data