参数资料
型号: W25Q16BVDAIP
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 2M X 8 SPI BUS SERIAL EEPROM, PDIP8
封装: 0.300 INCH, GREEN, PLASTIC, DIP-8
文件页数: 35/68页
文件大小: 2055K
代理商: W25Q16BVDAIP
W25Q16BV
- 40 -
11.2.21 64KB Block Erase (D8h)
The Block Erase instruction sets all memory within a specified block (64K-bytes) to the erased state of all
1s (FFh). A Write Enable instruction must be executed before the device will accept the Block Erase
Instruction (Status Register bit WEL must equal 1). The instruction is initiated by driving the /CS pin low
and shifting the instruction code “D8h” followed a 24-bit block address (A23-A0) (see Figure 2). The Block
Erase instruction sequence is shown in figure 20.
The /CS pin must be driven high after the eighth bit of the last byte has been latched. If this is not done
the Block Erase instruction will not be executed. After /CS is driven high, the self-timed Block Erase
instruction will commence for a time duration of tBE (See AC Characteristics). While the Block Erase cycle
is in progress, the Read Status Register instruction may still be accessed for checking the status of the
BUSY bit. The BUSY bit is a 1 during the Block Erase cycle and becomes a 0 when the cycle is finished
and the device is ready to accept other instructions again. After the Block Erase cycle has finished the
Write Enable Latch (WEL) bit in the Status Register is cleared to 0. The Block Erase instruction will not be
executed if the addressed page is protected by the Block Protect (SEC, TB, BP2, BP1, and BP0) bits (see
Status Register Memory Protection table).
Figure 20. 64KB Block Erase Instruction Sequence Diagram
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参数描述
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W25Q16BVSNIP 制造商:WINBOND 制造商全称:Winbond 功能描述:16M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI
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