S29GL01GS datasheet(7/108 Pages) CYPRESS

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Document Number: 001-98285 Rev. *O

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S29GL01GS/S29GL512S

S29GL256S/S29GL128S

While in EA mode, only a Program / Erase suspend command or the Status Register Read command will be accepted. All other

commands are ignored. Thus, no other ASO may be entered from the EA mode.

When an Embedded Algorithm is suspended, the Data Polling ASO is visible until the device has suspended the EA. When the EA

is suspended the Data Polling ASO is exited and Flash Array data is available. The Data Polling ASO is reentered when the

suspended EA is resumed, until the EA is again suspended or finished. When an Embedded Algorithm is completed, the Data

Polling ASO is exited and the device goes to the previous (calling) mode (from which the Embedded Algorithm was started).

In ASO mode, one of the remaining overlay address spaces is entered (overlaid on the main Flash Array address map). Only one

ASO may be entered at any one time. Commands to the device affect the currently entered ASO. Only certain commands are valid

for each ASO. These are listed in the Table 7.1 on page 55, in each ASO related section of the table.

The following ASOs have non-volatile data that may be programmed to change 1’s to 0’s:



Secure Silicon Region



Lock Register



Persistent Protection Bits (PPB)



Password



Only the PPB ASO has non-volatile data that may be erased to change 0’s to 1’s

When a program or erase command is issued while one of the non-volatile ASOs is entered, the EA operates on the ASO. The ASO

is not readable while the EA is active. When the EA is completed the ASO remains entered and is again readable. Suspend and

Resume commands are ignored during an EA operating on any of these ASOs.

2.1

Flash Memory Array

The S29GL-S family has uniform sector architecture with a sector size of 128 kB. Table 2.1 to Table 2.4 shows the sector

architecture of the four devices.

Table 2.1 S29GL01GS Sector and Memory Address Map

Sector Size (kbyte)

Sector Count

Sector Range

Address Range

(16-Bit)

Notes

128

1024

SA00

0000000h-000FFFFh

Sector Starting Address

–

SA1023

3FF0000h-3FFFFFFh

Sector Ending Address

Table 2.2 S29GL512S Sector and Memory Address Map

Sector Size (kbyte)

Sector Count

Sector Range

Address Range

(16-Bit)

Notes

128

512

SA00

0000000h-000FFFFh

Sector Starting Address

–

SA511

1FF0000h-1FFFFFFh

Sector Ending Address

Table 2.3 S29GL256S Sector and Memory Address Map

Sector Size (kbyte)

Sector Count

Sector Range

Address Range

(16-Bit)

Notes

128

256

SA00

0000000h-000FFFFh

Sector Starting Address

–

SA255

0FF0000h-0FFFFFFh

Sector Ending Address

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