参数资料
型号: W25Q40BLSNIP
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 4M X 1 SPI BUS SERIAL EEPROM, PDSO8
封装: 3.81 MM, GREEN, PLASTIC, SOIC-8
文件页数: 39/73页
文件大小: 2221K
代理商: W25Q40BLSNIP
W25Q40BL
- 44 -
8.2.27 Erase / Program Suspend (75h)
The Erase/Program Suspend instruction “75h”, allows the system to interrupt a Sector or Block Erase
operation or a Page Program operation and then read from or program/erase data to, any other sectors
or blocks. The Erase/Program Suspend instruction sequence is shown in figure 25.
The Write Status Register instruction (01h) and Erase instructions (20h, 52h, D8h, C7h, 60h, 44h) are not
allowed during Erase Suspend. Erase Suspend is valid only during the Sector or Block erase operation. If
written during the Chip Erase operation, the Erase Suspend instruction is ignored. The Write Status
Register instruction (01h) and Program instructions (02h, 32h, 42h) are not allowed during Program
Suspend. Program Suspend is valid only during the Page Program or Quad Page Program operation. A
maximum of time of “tSUS” (See AC Characteristics) is required to suspend the erase or program
operation. The BUSY bit in the Status Register will clear to 0 and the SUS bit in the Status Register will
be set to 1 after Erase/Program Suspend.
Unexpected power off during the Erase/Program suspend state will reset the device and release the
suspend state. SUS bit in the Status Register will also reset to 0. The data within the page, sector or
block that was being suspended may become corrupted. It is recommended for the user to implement
system design techniques against the accidental power interruption and preserve data integrity during
erase/program suspend state.
Figure 25. Erase/Program Suspend Instruction Sequence
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