IS25LE01G-RILA3-TY datasheet(153/186 Pages) ISSI

153 / 186 page

IS25LE01G

IS25WE01G

Integrated Silicon Solution, Inc.- www.issi.com

153

Rev. A6

01/14/2025

8.53 PROGRAM PPB OPERATION (PGPPB, FDh or 4PGPPB, E3h)

Before the Program PPB (PGPPB/4PGPPB) command is sent, a Write Enable (WREN) command must be issued.

After the WREN command has been decoded, the device will set the Write Enable Latch (WEL) in the Status

FDh (EXTADD=0) is followed by a 3-byte address (A23-A0) or

FDh (EXTADD=1) is followed by a 4-byte address (A31-A0) or

E3h is followed by a 4-byte address (A31-A0)

The PGPPB/4PGPPB command is entered by driving CE# low, followed by the instruction code, followed by the

24-bit or 32-bit address selecting location zero within the desired sector/block as above.

The PGPPB/4PGPPB command affects the WIP bit in the same manner as any other programming operation. CE#

must be driven high after the last bit of address has been latched in. As soon as CE# is driven high, the

PGPPB/4PGPPB operation is initiated. While the PGPPB/4PGPPB operation is in progress, the Status Register

may be read to check the value of the Write In

Progress (WIP) bit. The WIP bit is “1” during the PGPPB/4PGPPB

operation, and is “0” when it is completed. When the PGPPB/4PGPPB operation is completed, the WEL is set to

“0”.

Note: Data must be either 00h (protected) or FFh (unprotected).

Figure 8.118 Program PPB Sequence In SPI Mode (FDh [EXTADD=0], 3-byte address)

Instruction = FDh

CE #

SCK

...

Mode 3

Mode 0

3-byte Address

High Impedence

Figure 8.119 Program PPB Sequence In SPI Mode (FDh [EXTADD=1] or E3h, 4-byte address)

Instruction = FDh/E3h

CE #

SCK

...

Mode 3

Mode 0

4-byte Address

High Impedence

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