qspi
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Table of Contents
QSPI
Quad SPI is similar to SPI, but it has two additional data lines.
Protocol
Flash commands
WRITE_STATUS (0x01)
PAGE_PROGRAM (0x02)
READ_DATA (0x03)
WRITE_DISABLE (0x04)
READ_STATUS (0x05)
WRITE_ENABLE (0x06)
FAST_READ (0x0B)
WRITE_STATUS_3 (0x11)
READ_STATUS_3 (0x15)
SECTOR_ERASE (0x20)
WRITE_STATUS_2 (0x31)
QUAD_INPUT_PAGE_PROGRAM (0x32)
READ_STATUS_2 (0x35)
INDIVIDUAL_BLOCK_LOCK (0x36)
INDIVIDUAL_BLOCK_UNLOCK (0x39)
FAST_READ_DUAL_OUTPUT (0x3B)
Dual SPI
READ_BLOCK_LOCK (0x3D)
PROGRAM_SECURITY (0x42)
ERASE_SECURITY (0x44)
READ_SECURITY (0x48)
READ_UNIQUE_ID (0x4B)
VOLATILE_SR_WRITE_ENABLE (0x50)
BLOCK_ERASE_32KB (0x52)
READ_SFDP (0x5a)
CHIP_ERASE_A (0x60)
ENABLE_RESET (0x66)
FAST_READ_QUAD_OUTPUT (0x6B)
Quad SPI
ERASE_PROGRAM_SUSPEND (0x75)
SET_BURST_WITH_WRAP (0x77)
ERASE_PROGRAM_RESUME (0x7A)
GLOBAL_BLOCK_LOCK (0x7E)
MANUFACTURER_DEVICE_ID (0x90)
MFTR_DEVICE_ID_DUAL_IO (0x92)
Dual SPI
MFTR_DEVICE_ID_QUAD_IO (0x94)
Quad SPI
GLOBAL_BLOCK_UNLOCK (0x98)
RESET_DEVICE (0x99)
READ_JEDEC_ID (0x9f)
RELEASE_POWER_DOWN_ID (0xAB)
POWER_DOWN (0xB9)
FAST_READ_DUAL_IO (0xBB)
Dual SPI
CHIP_ERASE (0xC7)
BLOCK_ERASE_64KB (0xD8)
FAST_READ_QUAD_IO (0xEB)
Quad SPI
qspi.1738798313.txt.gz ยท Last modified: by lars