LH28F160S5T-L80 View Datasheet(PDF) - Sharp Electronics

Part Name

Description

Manufacturer

LH28F160S5T-L80

16 M-bit (2 MB x 8/1 MB x 16) Smart 5 Flash Memories (Fast Programming)

Sharp Electronics 

LH28F160S5-L/S5H-L

Start

Write 60H,

Block Address

Write 01H,

Block Address

Read

Status Register

0

SR.7 =

1

Full Status

Check if Desired

Set Block Lock-Bit

Complete

BUS

OPERATION

Write

Write

COMMAND

Set Block

Lock-Bit

Setup

Set Block

Lock-Bit

Confirm

COMMENTS

Data = 60H

Addr = Block Address

Data = 01H

Addr = Block Address

Read

Status Register Data

Standby

Check SR.7

1 = WSM Ready

0 = WSM Busy

Repeat for subsequent block lock-bit set operations.

Full status check can be done after each block lock-bit set

operation or after a sequence of block lock-bit set operations.

Write FFH after the last block lock-bit set operation to place

device in read array mode.

FULL STATUS CHECK PROCEDURE

Read Status Register

Data (See Above)

1

SR.3 =

0

VPP Range Error

1

SR.1 =

0

Device Protect Error

1

SR.4, 5 =

0

Command Sequence

Error

1

SR.4 =

0

Set Block Lock-Bit

Successful

Set Block Lock-Bit

Error

BUS

OPERATION COMMAND

COMMENTS

Standby

Check SR.3

1 = VPP Error Detect

Standby

Check SR.1

1 = Device Protect Detect

WP# = VIL

Standby

Standby

Check SR.4, 5

Both 1 = Command Sequence Error

Check SR.4

1 = Set Block Lock-Bit Error

SR.5, SR.4, SR.3 and SR.1 are only cleared by the Clear

Status Register command in cases where multiple block

lock-bits are set before full status is checked.

If error is detected, clear the status register before attempting

retry or other error recovery.

Fig. 10 Set Block Lock-Bit Flowchart

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