S25FL127S View Datasheet(PDF) - Spansion Inc.

Part Name

Description

Manufacturer

S25FL127S

128 Mbit (16 Mbyte) MirrorBit Flash Non-Volatile Memory

Spansion Inc. 

Data Sheet (Preliminary)

Table 12.20 Status Register 2 (SR2)

Bits Field Name Function

Type

Default State

Description

7

D8h_O

Block Erase

Size

OTP

0

1 = 256 kB Erase (Uniform sectors).

0 = 64 kB Erase (Hybrid 4 kB / 64 kB sectors).

6

02h_O

Page Buffer

Wrap

OTP

0

1 = Wrap at 512B.

0 = Wrap at 256B.

5

IO3R_O

IO3 Reset

OTP

0

1 = IO3 alternate function is RESET#.

0 = IO3 alternate function is HOLD#.

4

RFU

Reserved

0

Reserved for Future Use.

3

RFU

Reserved

0

Reserved for Future Use.

2

RFU

Reserved

0

Reserved for Future Use

1

ES

Erase Suspend Volatile, Read only

0

1 = In erase suspend mode.

0 = Not in erase suspend mode.

0

PS

Program

Suspend

Volatile, Read only

0

1 = In program suspend mode.

0 = Not in program suspend mode.

Table 12.21 Bank Address Register (BAR)

Bits Field Name

Function

7

EXTADD

Extended Address

Enable

6 to 2

1

0

RFU

BA25

BA24

Reserved

Bank Address

Bank Address

Type

Volatile

Volatile

Volatile

Volatile

Default State

Description

1 = 4-byte (32-bits) addressing required from command.

0b

0 = 3-byte (24-bits) addressing from command + Bank

Address

00000b Reserved for Future Use

0

RFU for lower density devices

0

RFU for lower density device

Bits

15 to 9

8

7

6

5

4

3

2

1

0

Table 12.22 ASP Register (ASPR)

Field Name

Function

RFU

RFU

RFU

RFU

RFU

RFU

RFU

PWDMLB

PSTMLB

RFU

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Reserved

Password

Protection Mode

Lock Bit

Persistent

Protection Mode

Lock Bit

Reserved

Type

OTP

OTP

OTP

OTP

OTP

OTP

OTP

OTP

OTP

OTP

Default

State

1

1

Description

Reserved for Future Use.

Reserved for Future Use.

Reserved for Future Use.

Reserved for Future Use.

Reserved for Future Use.

Reserved for Future Use.

Reserved for Future Use.

1

0 = Password Protection Mode permanently enabled.

1 = Password Protection Mode not permanently enabled.

1

0 = Persistent Protection Mode permanently enabled.

1 = Persistent Protection Mode not permanently enabled.

1

Reserved for Future Use.

Bits

Field

Name

63 to 0 PWD

Function

Hidden

Password

Table 12.23 Password Register (PASS)

Type

OTP

Default State

FFFFFFFF-

FFFFFFFFh

Description

Non-volatile OTP storage of 64-bit password. The password is

no longer readable after the password protection mode is

selected by programming ASP register bit 2 to 0.

April 25, 2013 S25FL127S_00_02

S25FL127S

127

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