TMS28F200AST datasheet(19/79 Pages) TI

Part #	TMS28F200AST

Description	262144 BY 8-BIT/131072 BY 16-BIT AUTO-SELECT BOOT-BLOCK FLASH MEMORIES

PDF	79 Pages

Scroll/Zoom	100%

Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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19 / 79 page

TMS28F002Axy, TMS28F200Axy

262144 BY 8-BIT/131072 BY 16-BIT

AUTO-SELECT BOOT-BLOCK FLASH MEMORIES

SMJS826D – JANUARY 1996 – REVISED SEPTEMBER 1997

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251–1443

BUS

OPERATION

COMMAND

COMMENTS

Write

Erase-

suspend

Data = B0h

Read

Status-register data.

Toggle G or E to update

status register.

Standby

Check SB7

1 = Ready

Standby

Check SB6

1 = Suspended

Write

Read

memory

Data = FFh

Read

Read data from block

other than that being

erased.

Write

Erase-

resume

Data = D0h

NOTE A: See block-erase flow chart for complete erasure procedure.

Figure 6. Erase-Suspend / Erase-Resume Flow Chart

Start

Issue Erase-Suspend

Command

Read Status-Register

Bits

SB7 = 1

Issue Memory-Read

Command

Erase

Completed

Yes

Erase Continued

SB6 = 1

Yes

Finished

Reading

Yes

Issue Erase-Resume

Command

See Note A

TMS28F200AST Datasheet(PDF) 19 Page - Texas Instruments

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