AM29F080B datasheet(18/39 Pages) AMD

18 / 39 page

Am29F080B

21503G5 November 1, 2006

D A TA SH EE T

Command Definitions

Table 4.

Am29F080B Command Definitions

Legend:

RA = Address of the memory location to be read.

RD = Data read from location RA during read operation.

PA = Address of the memory location to be programmed.

Addresses are latched on the falling edge of the WE# or CE#

pulse.

PD = Data to be programmed at location PA. Data is latched

on the rising edge of WE# or CE# pulse.

SA = Address of the sector to be erased. Address bits A19–

A16 uniquely select any sector.

SGA = Address of the sector group to be verified.

Notes:

1. All values are in hexadecimal.

2. See Table 1 for descriptions of bus operations.

3. No unlock or command cycles required when device is in

read mode.

4. The Reset command is required to return to the read

mode when the device is in the autoselect mode or if DQ5

goes high.

5. The data is 00h for an unprotected sector group and 01h

for a protected sector group. The complete bus address in

the fourth cycle is composed of the sector group address

(A19–A17), A1 = 1, and A0 = 0.

6. Read and program functions in non-erasing sectors are

allowed in the Erase Suspend mode. The Erase Suspend

command is valid only during a sector erase operation.

7. The Erase Resume command is valid only during the

Erase Suspend mode.

8. Unless otherwise noted, address bits A19–A11 are don’t

care.

Command

Sequence

(Note 1)

Cycles

Bus Cycles (Notes 2–5)

First

Second

Third

Fourth

Fifth

Sixth

Addr

Data

Addr

Data

Addr

Data

Addr

Data

Addr

Data

Addr

Data

Read (Note 3)

Reset (Note 4)

XXX

Autoselect

Manufacturer ID

555

2AA

555

X00

Autoselect

Device ID

555

2AA

555

X01

Autoselect

Sector Group

Protect Verify

(Note 5)

555

2AA

555

SGA

X02

Byte Program

555

2AA

555

Chip Erase

555

2AA

555

2AA

555

Sector Erase

555

2AA

555

2AA

Erase Suspend

(Note 6)

XXX

Erase Resume

(Note 7)

XXX

AM29F080B 数据表(PDF) 18 Page - Advanced Micro Devices

AM29F080B 数据表(HTML) 18 Page - Advanced Micro Devices

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39

数据表下载

链接网址

AM29F080B 数据表(PDF) 18 Page - Advanced Micro Devices

AM29F080B 数据表(HTML) 18 Page - Advanced Micro Devices

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39

数据表 下载

链接网址

数据表下载