w25q80bv Winbond Electronics Corp America, w25q80bv Datasheet - Page 54
w25q80bv
Manufacturer Part Number
w25q80bv
Description
8m-bit Serial Flash Memory With Dual And Quad Spi
Manufacturer
Winbond Electronics Corp America
Datasheet
1.W25Q80BV.pdf
(72 pages)
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W25Q80BV
10.2.35 Read JEDEC ID (9Fh)
For compatibility reasons, the W25Q80BV provides several instructions to electronically determine the
identity of the device. The Read JEDEC ID instruction is compatible with the JEDEC standard for SPI
compatible serial memories that was adopted in 2003. The instruction is initiated by driving the /CS pin
low and shifting the instruction code “9Fh”. The JEDEC assigned Manufacturer ID byte for Winbond (EFh)
and two Device ID bytes, Memory Type (ID15-ID8) and Capacity (ID7-ID0) are then shifted out on the
falling edge of CLK with most significant bit (MSB) first as shown in figure 33. For memory type and
capacity values refer to Manufacturer and Device Identification table.
Figure 33. Read JEDEC ID Instruction Sequence
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