P25Q40H datasheet(59/76 Pages) PUYA

Part #	P25Q40H

Description	Ultra Low Power, 4M/2M/1M/512K-bit Serial Multi I/O Flash Memory

PDF	76 Pages

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Manufacturer	PUYA [Puya Semiconductor Co., Ltd.]

Direct Link	http://www.puyasemi.com/index_en.html

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59 / 76 page

P25Q40H/20H/10H/05H Datasheet

Puya Semiconductor

Page 59 of 76

Acceptable Commands During Suspend（tPSL/tESL not required）

Command name

Command Code

Suspend Type

Program Suspend

Erase Suspend

WRDI

04H

•

RDSR

05H

•

RDSR2

35H

•

ASI

25H

•

RES

ABH

•

RSTEN

66H

•

RST

99H

•

NOP

00H

•

Figure 10-35 Resume to Suspend Latency

Resume Command

CS#

Suspend Command

tPRS / tERS

tPRS: Program Resume to another Suspend

tERS: Erase Resume to another Suspend

10.35

Erase Suspend to Program

The “Erase Suspend to Program” feature allows Page Programming while an erase operation is suspended.

Page Programming is permitted in any unprotected memory except within the sector of a suspended Sector

Erase operation or within the block of a suspended Block Erase operation. The Write Enable (WREN)

instruction must be issued before any Page Program instruction.

A Page Program operation initiated within a suspended erase cannot itself be suspended and must be

allowed to finish before the suspended erase can be resumed. The Status Register can be polled to

determine the status of the Page Program operation. The WEL and WIP bits of the Status Register will

remain “1” while the Page Program operation is in progress and will both clear to “0” when the Page Program

operation completes.

Figure 10-36 Suspend to Read/Program Latency

Suspend Command

CS#

Read/Program command

tPSL / tESL

tPSL: Program latency

tESL: Erase latency

Notes:

1. Please note that Program only available after the Erase-Suspend operation

2. To check suspend ready information, please read status register bit15 (SUS2) and bit10(SUS1)

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