AM29BDS064HE9VMI 参数 Datasheet PDF下载

型号：	AM29BDS064HE9VMI
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内容描述：	[Flash Memory,]
分类和应用：
文件页数/大小：	85 页 / 2642 K
品牌：	SPANSION [ SPANSION ]

P r e l i m i n a r y

I n f o r m a t i o n

Table of Contents

Product Selector Guide . . . . . . . . . . . . . . . . . . . . . .7

Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Block Diagram of Simultaneous Operation

Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

Device Bus Operations . . . . . . . . . . . . . . . . . . . . . . 10

Table 1. Device Bus Operations .......................................... 10

Table 11. Primary Vendor-Specific Extended Query ................ 27

Table 12. Am29BDS128H Sector Address Table ..................... 28

Table 13. Am29BDS064H Sector Address Table ..................... 32

Command Definitions . . . . . . . . . . . . . . . . . . . . . . 34

Reading Array Data ........................................................................................... 34

Set Configuration Register Command Sequence ..................................... 34

Figure 3. Synchronous/Asynchronous State Diagram.............. 34

Requirements for Asynchronous Read Operation (Non-Burst) .......... 10

Requirements for Synchronous (Burst) Read Operation ....................... 10

8-, 16-, and 32-Word Linear Burst with Wrap Around ....................... 11

Table 2. Burst Address Groups ............................................ 11

Read Mode Setting ......................................................................................... 34

Programmable Wait State Configuration ............................................... 34

Table 14. Programmable Wait State Settings ......................... 35

Burst Suspend/Resume ....................................................................................... 11

Configuration Register ...................................................................................... 12

Reduced Wait-state Handshaking Option .................................................. 12

Simultaneous Read/Write Operations with Zero Latency .................... 12

Writing Commands/Command Sequences ................................................. 12

Accelerated Program Operation ....................................................................13

Reduced Wait-state Handshaking Option .............................................. 35

Table 15. Wait States for Reduced Wait-state Handshaking .... 35

Standard Handshaking Option ................................................................... 35

Table 16. Wait States for Standard Handshaking ................... 35

Read Mode Configuration ........................................................................... 36

Table 17. Read Mode Settings ............................................. 36

Autoselect Mode . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Table 3. Autoselect Codes (High Voltage Method) ................. 14

Table 4.

Am29BDS128H Boot Sector/Sector Block

Addresses for

Protection/Unprotection ..................................................... 15

Table 5.

Am29BDS064H Boot Sector/Sector Block

Addresses for

Protection/Unprotection ..................................................... 16

Burst Active Clock Edge Configuration .................................................. 36

RDY Configuration ........................................................................................ 36

Table 18. Configuration Register .......................................... 37

Reset Command ................................................................................................. 37

Autoselect Command Sequence .................................................................... 37

Table 19. Autoselect Data ................................................... 38

Sector/Sector Block Protection and Unprotection .................................. 16

Sector Protection ........................................................................................... 16

Selecting a Sector Protection Mode ..........................................................17

Persistent Sector Protection ............................................................................17

Persistent Protection Bit (PPB) ...................................................................17

Persistent Protection Bit Lock (PPB Lock) ..............................................17

Dynamic Protection Bit (DYB) ....................................................................17

Table 6.

Sector Protection Schemes

..................................... 18

Enter SecSi™ Sector/Exit SecSi Sector Command Sequence ................ 38

Program Command Sequence ........................................................................ 38

Unlock Bypass Command Sequence ........................................................ 38

Figure 4. Program Operation ............................................... 39

Chip Erase Command Sequence ................................................................... 39

Sector Erase Command Sequence ................................................................ 39

Erase Suspend/Erase Resume Commands ..................................................40

Figure 5. Erase Operation ................................................... 41

Persistent Sector Protection Mode Locking Bit ........................................ 18

Password Protection Mode ............................................................................. 19

Password and Password Mode Locking Bit ................................................ 19

64-bit Password ................................................................................................... 19

Persistent Protection Bit Lock ........................................................................ 19

High Voltage Sector Protection ..................................................................... 20

Standby Mode ...................................................................................................... 20

Automatic Sleep Mode ..................................................................................... 20

RESET#: Hardware Reset Input ................................................................ 20

Output Disable Mode ................................................................................... 20

Figure 1. Temporary Sector Unprotect Operation.................... 21

Figure 2. In-System Sector Protection/Sector Unprotection

Algorithms ........................................................................ 22

Password Program Command ........................................................................41

Password Verify Command ..............................................................................41

Password Protection Mode Locking Bit Program Command ...............41

Persistent Sector Protection Mode Locking Bit Program Command .41

SecSi Sector Protection Bit Program Command ......................................42

PPB Lock Bit Set Command ............................................................................ 42

DYB Write Command ......................................................................................42

Password Unlock Command ..........................................................................42

PPB Program Command ..................................................................................42

Figure 6. PPB Program Algorithm ......................................... 43

All PPB Erase Command .................................................................................. 43

Figure 7. All PPB Erase Algorithm......................................... 43

SecSi™ (Secured Silicon) Sector

Flash Memory Region ........................................................................................23

Factory-Locked Area (64 words) ..............................................................23

Table 7. SecSi

Sector Addresses ........................................ 23

DYB Write Command ...................................................................................... 43

PPB Status Command .......................................................................................44

PPB Lock Bit Status Command ......................................................................44

DYB Status Command ......................................................................................44

Command Definitions .......................................................................................44

Table 20. Memory Array Command Definitions ..................... 44

Table 21. Sector Protection Command Definitions ................. 46

Customer-Lockable Area (64 words) ......................................................23

SecSi Sector Protection Bits ........................................................................23

Hardware Data Protection ..........................................................................23

Write Protect (WP#) ....................................................................................... 24

Low V

Write Inhibit ................................................................................. 24

Write Pulse “Glitch” Protection ............................................................... 24

Logical Inhibit .................................................................................................. 24

Power-Up Write Inhibit ............................................................................... 24

Write Operation Status . . . . . . . . . . . . . . . . . . . . 47

DQ7: Data# Polling ............................................................................................ 47

Figure 8. Data# Polling Algorithm ........................................ 48

DQ6: Toggle Bit I ...............................................................................................48

Figure 9. Toggle Bit Algorithm ............................................. 49

DQ2: Toggle Bit II . . . . . . . . . . . . . . . . . . . . . . . . 49

Table 22. DQ6 and DQ2 Indications ..................................... 50

Common Flash Memory Interface (CFI) . . . . . . 24

Table 8. CFI Query Identification String ................................ 25

Table 9. System Interface String .......................................... 25

Table 10. Device Geometry Definition ................................... 26

Reading Toggle Bits DQ6/DQ2 .....................................................................50

DQ5: Exceeded Timing Limits ........................................................................50

DQ3: Sector Erase Timer ................................................................................50

Table 23. Write Operation Status ......................................... 51

June 18, 2004 27024_A5_00_E

Am29BDS128H/Am29BDS064H

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