M29DW128F datasheet(19/93 Pages) STMICROELECTRONICS

Part #	M29DW128F

Description	128 Mbit (16Mb x8 or 8Mb x16, Multiple Bank, Page, Boot Block) 3V Supply, Flash Memory

PDF	93 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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19 / 93 page

M29DW128F

3 Bus operations

19/93

3.6.5

Temporary Unprotect of High Voltage Protected Blocks

The RP pin can be used to temporarily unprotect all the blocks previously protected using the

In-System or the Programmer protection technique (High Voltage techniques).

Refer to Reset/Block Temporary Unprotect (RP) in Section 2: Signal descriptions.

Table 3.

Bus Operations, 8-bit Mode

Table 4.

Read Electronic Signature, 8-bit Mode

Operation(1)

X = VIL or VIH.

RP VPP/WP

Address Inputs

Data Inputs/Outputs

A22-A0, DQ15A-1

DQ14-DQ8

DQ7-DQ0

Bus Read

VIL VIL VIH VIH

VIH

Cell Address

Hi-Z

Data Output

Bus Write

VIL VIH VIL VIH

VIH

Command Address

Hi-Z

Data Input

Output Disable

VIH VIH VIH

VIH

Hi-Z

Standby

VIH

Hi-Z

Read Cycle(1)

X = VIL or VIH.

Address Inputs

Data Inputs/

Outputs

A22-

A10

A9 A8

A7-

A5-

DQ15A

-1

DQ14-

DQ8

DQ7-

DQ0

Manufacturer Code

VIL VIL VIH

VID X

VIL

VIL VIL VIL VIL

XHi-Z

20h

Device Code (Cycle 1)

VIL

VIL VIL VIL VIH

XHi-Z

7Eh

Device Code (Cycle 2)

VIH VIH VIH VIL

XHi-Z

20h

Device Code (Cycle 3)

VIH VIH VIH VIH

XHi-Z

00h

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