AM29LV065MU112REF datasheet(27/62 Pages) AMD

27 / 62 page

September 12, 2006

Am29LV065MU

DA TA

SH EET

Table 9.

Primary Vendor-Specific Extended Query

COMMAND DEFINITIONS

Writing specific address and data commands or se-

quences into the command register initiates device op-

erations. Table 10 defines the valid register command

sequences. Writing incorrect address and data val-

ues or writing them in the improper sequence may

place the device in an unknown state. A reset com-

mand is then required to return the device to reading

array data.

All addresses are latched on the falling edge of WE#

or CE#, whichever happens later. All data is latched on

the rising edge of WE# or CE#, whichever happens

first. Refer to the AC Characteristics section for timing

diagrams.

Reading Array Data

The device is automatically set to reading array data

after device power-up. No commands are required to

retrieve data. The device is ready to read array data

after completing an Embedded Program or Embedded

Erase algorithm.

After the device accepts an Erase Suspend command,

the device enters the erase-suspend-read mode, after

which the sys tem can read data from an y

Addresses

Data

Description

40h

41h

42h

50h

52h

49h

Query-unique ASCII string “PRI”

43h

31h

Major version number, ASCII

44h

33h

Minor version number, ASCII

45h

09h

Address Sensitive Unlock (Bits 1-0)

0 = Required, 1 = Not Required

Process Technology (Bits 7-2) 0010b = 0.23 µm MirrorBit

46h

02h

Erase Suspend

0 = Not Supported, 1 = To Read Only, 2 = To Read & Write

47h

04h

Sector Protect

0 = Not Supported, X = Number of sectors per group

48h

01h

Sector Temporary Unprotect

00 = Not Supported, 01 = Supported

49h

04h

Sector Protect/Unprotect scheme

04 = 29LV800 mode

4Ah

00h

Simultaneous Operation

00 = Not Supported, X = Number of Sectors in Bank

4Bh

00h

Burst Mode Type

00 = Not Supported, 01 = Supported

4Ch

01h

Page Mode Type

00 = Not Supported, 01 = 8 Byte Page

4Dh

B5h

ACC (Acceleration) Supply Minimum

00h = Not Supported, D7-D4: Volt, D3-D0: 100 mV

4Eh

C5h

ACC (Acceleration) Supply Maximum

00h = Not Supported, D7-D4: Volt, D3-D0: 100 mV

4Fh

00h

Top/Bottom Boot Sector Flag

00h = Uniform Device without WP# protect, 02h = Bottom Boot Device, 03h = Top

Boot Device, 04h = Uniform sectors bottom WP# protect, 05h = Uniform sectors top

WP# protect

50h

01h

Program Suspend

00h = Not Supported, 01h = Supported

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